Listed

Rhythm Pharmaceuticals, Inc.

RYTMNasdaqCIK 1649904HealthcareFiscal year ends Dec 31

Standardized line items from XBRL company facts, the last twelve quarters. Negative values are in parentheses. A figure marked d is derived from year-to-date figures.

Income statement

Revenue$71.3m, Q2 FY2026
Operating income−$48.6m, Q2 FY2026
Net income−$49.3m, Q2 FY2026
Rhythm Pharmaceuticals, Inc., income statement, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Revenue$m22.5Revenue, Q3 FY2023, three months to 2023-09-30$22.5m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure24.2Revenue, Q4 FY2023, three months to 2023-12-31$24.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure26.0Revenue, Q1 FY2024, three months to 2024-03-31$26.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure29.1Revenue, Q2 FY2024, three months to 2024-06-30$29.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure33.3Revenue, Q3 FY2024, three months to 2024-09-30$33.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure41.8Revenue, Q4 FY2024, three months to 2024-12-31$41.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure32.7Revenue, Q1 FY2025, three months to 2025-03-31$32.7m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure48.5Revenue, Q2 FY2025, three months to 2025-06-30$48.5m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure51.3Revenue, Q3 FY2025, three months to 2025-09-30$51.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure57.3Revenue, Q4 FY2025, three months to 2025-12-31$57.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure60.1Revenue, Q1 FY2026, three months to 2026-03-31$60.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure71.3Revenue, Q2 FY2026, three months to 2026-06-30$71.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Cost of revenue$m2.4Cost of revenue, Q3 FY2023, three months to 2023-09-30$2.4m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure3.2Cost of revenue, Q4 FY2023, three months to 2023-12-31$3.2m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure2.8Cost of revenue, Q1 FY2024, three months to 2024-03-31$2.8m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure2.9Cost of revenue, Q2 FY2024, three months to 2024-06-30$2.9m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure3.8Cost of revenue, Q3 FY2024, three months to 2024-09-30$3.8m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure3.8Cost of revenue, Q4 FY2024, three months to 2024-12-31$3.8m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure3.6Cost of revenue, Q1 FY2025, three months to 2025-03-31$3.6m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure5.5Cost of revenue, Q2 FY2025, three months to 2025-06-30$5.5m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure5.5Cost of revenue, Q3 FY2025, three months to 2025-09-30$5.5m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure4.8Cost of revenue, Q4 FY2025, three months to 2025-12-31$4.8m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure7.2Cost of revenue, Q1 FY2026, three months to 2026-03-31$7.2m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure8.9Cost of revenue, Q2 FY2026, three months to 2026-06-30$8.9m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Research and development$m33.6Research and development, Q3 FY2023, three months to 2023-09-30$33.6m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure29.9Research and development, Q4 FY2023, three months to 2023-12-31$29.9m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure129Research and development, Q1 FY2024, three months to 2024-03-31$128.7m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure30.2Research and development, Q2 FY2024, three months to 2024-06-30$30.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure37.9Research and development, Q3 FY2024, three months to 2024-09-30$37.9m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure41.2Research and development, Q4 FY2024, three months to 2024-12-31$41.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure37.0Research and development, Q1 FY2025, three months to 2025-03-31$37.0m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure42.3Research and development, Q2 FY2025, three months to 2025-06-30$42.3m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure46.0Research and development, Q3 FY2025, three months to 2025-09-30$46.0m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure42.0Research and development, Q4 FY2025, three months to 2025-12-31$42.0m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure41.7Research and development, Q1 FY2026, three months to 2026-03-31$41.7m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure43.4Research and development, Q2 FY2026, three months to 2026-06-30$43.4m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Selling, general and administrative$m30.5Selling, general and administrative, Q3 FY2023, three months to 2023-09-30$30.5m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure32.4Selling, general and administrative, Q4 FY2023, three months to 2023-12-31$32.4m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure34.4Selling, general and administrative, Q1 FY2024, three months to 2024-03-31$34.4m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure36.4Selling, general and administrative, Q2 FY2024, three months to 2024-06-30$36.4m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure35.4Selling, general and administrative, Q3 FY2024, three months to 2024-09-30$35.4m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure38.1Selling, general and administrative, Q4 FY2024, three months to 2024-12-31$38.1m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure39.1Selling, general and administrative, Q1 FY2025, three months to 2025-03-31$39.1m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure45.9Selling, general and administrative, Q2 FY2025, three months to 2025-06-30$45.9m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure52.4Selling, general and administrative, Q3 FY2025, three months to 2025-09-30$52.4m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure57.5Selling, general and administrative, Q4 FY2025, three months to 2025-12-31$57.5m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure63.6Selling, general and administrative, Q1 FY2026, three months to 2026-03-31$63.6m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure67.4Selling, general and administrative, Q2 FY2026, three months to 2026-06-30$67.4m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Operating income$m(44.0)Operating income, Q3 FY2023, three months to 2023-09-30−$44.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure(41.3)Operating income, Q4 FY2023, three months to 2023-12-31−$41.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure(140)Operating income, Q1 FY2024, three months to 2024-03-31−$139.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure(40.5)Operating income, Q2 FY2024, three months to 2024-06-30−$40.5m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure(43.9)Operating income, Q3 FY2024, three months to 2024-09-30−$43.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure(41.3)Operating income, Q4 FY2024, three months to 2024-12-31−$41.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure(47.0)Operating income, Q1 FY2025, three months to 2025-03-31−$47.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure(45.3)Operating income, Q2 FY2025, three months to 2025-06-30−$45.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure(52.7)Operating income, Q3 FY2025, three months to 2025-09-30−$52.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure(47.1)Operating income, Q4 FY2025, three months to 2025-12-31−$47.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure(52.4)Operating income, Q1 FY2026, three months to 2026-03-31−$52.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure(48.6)Operating income, Q2 FY2026, three months to 2026-06-30−$48.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Interest expense$m3.1Interest expense, Q3 FY2023, three months to 2023-09-30$3.1m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2023-11-08, accession 0001558370-23-018291.Report this figure4.6Interest expense, Q4 FY2023, three months to 2023-12-31$4.5m. XBRL concept us-gaap:InterestExpense. 10-K filed 2024-02-29, accession 0001558370-24-002181. Derived: 12-month figure less the 9-month figure.Report this figure4.8Interest expense, Q1 FY2024, three months to 2024-03-31$4.8m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2024-05-07, accession 0001558370-24-007076.Report this figure4.6Interest expense, Q2 FY2024, three months to 2024-06-30$4.6m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure5.2Interest expense, Q3 FY2024, three months to 2024-09-30$5.2m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure5.4Interest expense, Q4 FY2024, three months to 2024-12-31$5.4m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure5.4Interest expense, Q1 FY2025, three months to 2025-03-31$5.4m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure5.8Interest expense, Q2 FY2025, three months to 2025-06-30$5.8m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure4.7Interest expense, Q3 FY2025, three months to 2025-09-30$4.7m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure4.6Interest expense, Q4 FY2025, three months to 2025-12-31$4.6m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure4.6Interest expense, Q1 FY2026, three months to 2026-03-31$4.6m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure4.5Interest expense, Q2 FY2026, three months to 2026-06-30$4.5m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Income tax$m0.4Income tax, Q3 FY2023, three months to 2023-09-30$368.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure0.2Income tax, Q4 FY2023, three months to 2023-12-31$196.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure0.3Income tax, Q1 FY2024, three months to 2024-03-31$300.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure0.5Income tax, Q2 FY2024, three months to 2024-06-30$479.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure(0.3)Income tax, Q3 FY2024, three months to 2024-09-30−$344.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure(0.1)Income tax, Q4 FY2024, three months to 2024-12-31−$90.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure0.1Income tax, Q1 FY2025, three months to 2025-03-31$80.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure0.3Income tax, Q2 FY2025, three months to 2025-06-30$337.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure0.1Income tax, Q3 FY2025, three months to 2025-09-30$111.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure(0.0)Income tax, Q4 FY2025, three months to 2025-12-31−$31.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure0.5Income tax, Q1 FY2026, three months to 2026-03-31$545.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure0.4Income tax, Q2 FY2026, three months to 2026-06-30$444.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Net income$m(44.2)Net income, Q3 FY2023, three months to 2023-09-30−$44.2m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure(41.6)Net income, Q4 FY2023, three months to 2023-12-31−$41.6m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure(141)Net income, Q1 FY2024, three months to 2024-03-31−$141.4m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure(32.3)Net income, Q2 FY2024, three months to 2024-06-30−$32.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure(43.6)Net income, Q3 FY2024, three months to 2024-09-30−$43.6m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure(43.3)Net income, Q4 FY2024, three months to 2024-12-31−$43.3m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure(49.5)Net income, Q1 FY2025, three months to 2025-03-31−$49.5m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure(46.6)Net income, Q2 FY2025, three months to 2025-06-30−$46.6m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure(52.9)Net income, Q3 FY2025, three months to 2025-09-30−$52.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure(47.5)Net income, Q4 FY2025, three months to 2025-12-31−$47.5m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure(55.6)Net income, Q1 FY2026, three months to 2026-03-31−$55.6m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure(49.3)Net income, Q2 FY2026, three months to 2026-06-30−$49.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Diluted EPS$ per share(0.76)Diluted EPS, Q3 FY2023, three months to 2023-09-30−$0.76 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figurenot reported(2.35)Diluted EPS, Q1 FY2024, three months to 2024-03-31−$2.35 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure(0.55)Diluted EPS, Q2 FY2024, three months to 2024-06-30−$0.55 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure(0.73)Diluted EPS, Q3 FY2024, three months to 2024-09-30−$0.73 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figurenot reported(0.81)Diluted EPS, Q1 FY2025, three months to 2025-03-31−$0.81 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure(0.75)Diluted EPS, Q2 FY2025, three months to 2025-06-30−$0.75 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure(0.82)Diluted EPS, Q3 FY2025, three months to 2025-09-30−$0.82 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figurenot reported(0.83)Diluted EPS, Q1 FY2026, three months to 2026-03-31−$0.83 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure(0.73)Diluted EPS, Q2 FY2026, three months to 2026-06-30−$0.73 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Basic EPS$ per share(0.76)Basic EPS, Q3 FY2023, three months to 2023-09-30−$0.76 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figurenot reported(2.35)Basic EPS, Q1 FY2024, three months to 2024-03-31−$2.35 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure(0.55)Basic EPS, Q2 FY2024, three months to 2024-06-30−$0.55 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure(0.73)Basic EPS, Q3 FY2024, three months to 2024-09-30−$0.73 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figurenot reported(0.81)Basic EPS, Q1 FY2025, three months to 2025-03-31−$0.81 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure(0.75)Basic EPS, Q2 FY2025, three months to 2025-06-30−$0.75 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure(0.82)Basic EPS, Q3 FY2025, three months to 2025-09-30−$0.82 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figurenot reported(0.83)Basic EPS, Q1 FY2026, three months to 2026-03-31−$0.83 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure(0.73)Basic EPS, Q2 FY2026, three months to 2026-06-30−$0.73 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure

Balance sheet

Cash and equivalents$65.6m, Q2 FY2026
Long-term debt$93.4m, Q2 FY2026
Shareholders' equity$103.0m, Q2 FY2026
Rhythm Pharmaceuticals, Inc., balance sheet, quarterly
Line itemUnitQ3 FY20232023-09-30FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Cash and equivalents$m64.6Cash and equivalents, Q3 FY2023, at 2023-09-30$64.6m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2023-11-08, accession 0001558370-23-018291.Report this figure60.1Cash and equivalents, FY2023, at 2023-12-31$60.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2025-02-28, accession 0001558370-25-001889.Report this figure53.4Cash and equivalents, Q1 FY2024, at 2024-03-31$53.4m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-05-07, accession 0001558370-24-007076.Report this figure162Cash and equivalents, Q2 FY2024, at 2024-06-30$161.7m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-08-06, accession 0001558370-24-011101.Report this figure47.5Cash and equivalents, Q3 FY2024, at 2024-09-30$47.5m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure89.1Cash and equivalents, FY2024, at 2024-12-31$89.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2026-02-26, accession 0001628280-26-012399.Report this figure106Cash and equivalents, Q1 FY2025, at 2025-03-31$106.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure136Cash and equivalents, Q2 FY2025, at 2025-06-30$135.6m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure52.1Cash and equivalents, Q3 FY2025, at 2025-09-30$52.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure54.3Cash and equivalents, FY2025, at 2025-12-31$54.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure62.1Cash and equivalents, Q1 FY2026, at 2026-03-31$62.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure65.6Cash and equivalents, Q2 FY2026, at 2026-06-30$65.6m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Current assets$m329Current assets, Q3 FY2023, at 2023-09-30$329.2m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2023-11-08, accession 0001558370-23-018291.Report this figure308Current assets, FY2023, at 2023-12-31$308.3m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2025-02-28, accession 0001558370-25-001889.Report this figure236Current assets, Q1 FY2024, at 2024-03-31$235.8m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-05-07, accession 0001558370-24-007076.Report this figure357Current assets, Q2 FY2024, at 2024-06-30$357.4m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-08-06, accession 0001558370-24-011101.Report this figure340Current assets, Q3 FY2024, at 2024-09-30$340.3m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure374Current assets, FY2024, at 2024-12-31$374.2m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2026-02-26, accession 0001628280-26-012399.Report this figure369Current assets, Q1 FY2025, at 2025-03-31$369.3m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure361Current assets, Q2 FY2025, at 2025-06-30$360.7m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure495Current assets, Q3 FY2025, at 2025-09-30$494.8m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure467Current assets, FY2025, at 2025-12-31$466.9m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure430Current assets, Q1 FY2026, at 2026-03-31$430.1m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure427Current assets, Q2 FY2026, at 2026-06-30$426.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Total assets$m354Total assets, Q3 FY2023, at 2023-09-30$354.2m. XBRL concept us-gaap:Assets. 10-Q filed 2023-11-08, accession 0001558370-23-018291.Report this figure333Total assets, FY2023, at 2023-12-31$332.7m. XBRL concept us-gaap:Assets. 10-K filed 2025-02-28, accession 0001558370-25-001889.Report this figure259Total assets, Q1 FY2024, at 2024-03-31$258.7m. XBRL concept us-gaap:Assets. 10-Q filed 2024-05-07, accession 0001558370-24-007076.Report this figure382Total assets, Q2 FY2024, at 2024-06-30$381.8m. XBRL concept us-gaap:Assets. 10-Q filed 2024-08-06, accession 0001558370-24-011101.Report this figure364Total assets, Q3 FY2024, at 2024-09-30$363.6m. XBRL concept us-gaap:Assets. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure392Total assets, FY2024, at 2024-12-31$392.3m. XBRL concept us-gaap:Assets. 10-K filed 2026-02-26, accession 0001628280-26-012399.Report this figure387Total assets, Q1 FY2025, at 2025-03-31$386.7m. XBRL concept us-gaap:Assets. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure373Total assets, Q2 FY2025, at 2025-06-30$372.7m. XBRL concept us-gaap:Assets. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure507Total assets, Q3 FY2025, at 2025-09-30$506.9m. XBRL concept us-gaap:Assets. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure480Total assets, FY2025, at 2025-12-31$480.2m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure442Total assets, Q1 FY2026, at 2026-03-31$442.3m. XBRL concept us-gaap:Assets. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure437Total assets, Q2 FY2026, at 2026-06-30$437.3m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Current liabilities$m50.1Current liabilities, Q3 FY2023, at 2023-09-30$50.1m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2023-11-08, accession 0001558370-23-018291.Report this figure55.2Current liabilities, FY2023, at 2023-12-31$55.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2025-02-28, accession 0001558370-25-001889.Report this figure54.2Current liabilities, Q1 FY2024, at 2024-03-31$54.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-05-07, accession 0001558370-24-007076.Report this figure54.7Current liabilities, Q2 FY2024, at 2024-06-30$54.7m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-08-06, accession 0001558370-24-011101.Report this figure97.6Current liabilities, Q3 FY2024, at 2024-09-30$97.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure116Current liabilities, FY2024, at 2024-12-31$115.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2026-02-26, accession 0001628280-26-012399.Report this figure112Current liabilities, Q1 FY2025, at 2025-03-31$111.8m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure129Current liabilities, Q2 FY2025, at 2025-06-30$129.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure104Current liabilities, Q3 FY2025, at 2025-09-30$104.3m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure106Current liabilities, FY2025, at 2025-12-31$105.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure103Current liabilities, Q1 FY2026, at 2026-03-31$103.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure124Current liabilities, Q2 FY2026, at 2026-06-30$123.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Total liabilities$m157Total liabilities, Q3 FY2023, at 2023-09-30$156.7m. XBRL concept us-gaap:Liabilities. 10-Q filed 2023-11-08, accession 0001558370-23-018291.Report this figure163Total liabilities, FY2023, at 2023-12-31$163.0m. XBRL concept us-gaap:Liabilities. 10-K filed 2025-02-28, accession 0001558370-25-001889.Report this figure197Total liabilities, Q1 FY2024, at 2024-03-31$197.1m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-05-07, accession 0001558370-24-007076.Report this figure202Total liabilities, Q2 FY2024, at 2024-06-30$202.4m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-08-06, accession 0001558370-24-011101.Report this figure211Total liabilities, Q3 FY2024, at 2024-09-30$210.9m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure228Total liabilities, FY2024, at 2024-12-31$227.7m. XBRL concept us-gaap:Liabilities. 10-K filed 2026-02-26, accession 0001628280-26-012399.Report this figure224Total liabilities, Q1 FY2025, at 2025-03-31$223.6m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure239Total liabilities, Q2 FY2025, at 2025-06-30$239.2m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure211Total liabilities, Q3 FY2025, at 2025-09-30$211.2m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure210Total liabilities, FY2025, at 2025-12-31$210.2m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure205Total liabilities, Q1 FY2026, at 2026-03-31$204.7m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure220Total liabilities, Q2 FY2026, at 2026-06-30$220.0m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Long-term debt$mnot reported106Long-term debt, FY2023, at 2023-12-31$106.1m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2025-02-28, accession 0001558370-25-001889.Report this figurenot reportednot reportednot reported108Long-term debt, FY2024, at 2024-12-31$108.3m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2026-02-26, accession 0001628280-26-012399.Report this figure108Long-term debt, Q1 FY2025, at 2025-03-31$107.9m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure106Long-term debt, Q2 FY2025, at 2025-06-30$106.0m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure103Long-term debt, Q3 FY2025, at 2025-09-30$103.4m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure101Long-term debt, FY2025, at 2025-12-31$100.9m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure98.3Long-term debt, Q1 FY2026, at 2026-03-31$98.3m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure93.4Long-term debt, Q2 FY2026, at 2026-06-30$93.4m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Current portion of debt$mnot reportednot reportednot reportednot reportednot reported1.5Current portion of debt, FY2024, at 2024-12-31$1.5m. XBRL concept us-gaap:LongTermDebtCurrent. 10-K filed 2026-02-26, accession 0001628280-26-012399.Report this figure1.6Current portion of debt, Q1 FY2025, at 2025-03-31$1.6m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure3.8Current portion of debt, Q2 FY2025, at 2025-06-30$3.8m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure5.6Current portion of debt, Q3 FY2025, at 2025-09-30$5.6m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure7.3Current portion of debt, FY2025, at 2025-12-31$7.3m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure10.1Current portion of debt, Q1 FY2026, at 2026-03-31$10.1m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure12.7Current portion of debt, Q2 FY2026, at 2026-06-30$12.7m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure
Shareholders' equity$m197Shareholders' equity, Q3 FY2023, at 2023-09-30$197.5m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure170Shareholders' equity, FY2023, at 2023-12-31$169.8m. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2026-02-26, accession 0001628280-26-012399.Report this figure61.6Shareholders' equity, Q1 FY2024, at 2024-03-31$61.6m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure39.3Shareholders' equity, Q2 FY2024, at 2024-06-30$39.3m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure11.2Shareholders' equity, Q3 FY2024, at 2024-09-30$11.2m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure21.7Shareholders' equity, FY2024, at 2024-12-31$21.7m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure18.9Shareholders' equity, Q1 FY2025, at 2025-03-31$18.9m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure(11.9)Shareholders' equity, Q2 FY2025, at 2025-06-30−$11.9m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure149Shareholders' equity, Q3 FY2025, at 2025-09-30$148.8m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure139Shareholders' equity, FY2025, at 2025-12-31$139.1m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure123Shareholders' equity, Q1 FY2026, at 2026-03-31$122.9m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure103Shareholders' equity, Q2 FY2026, at 2026-06-30$103.0m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure

Cash flow

Operating cash flow−$9.2m, Q2 FY2026
Capital expenditure−$1.0k, Q4 FY2023
Rhythm Pharmaceuticals, Inc., cash flow, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Operating cash flow$m(29.3)Operating cash flow, Q3 FY2023, three months to 2023-09-30−$29.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2024-11-06, accession 0001558370-24-014532. Derived: 9-month figure less the 6-month figure.Report this figure(29.4)Operating cash flow, Q4 FY2023, three months to 2023-12-31−$29.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure(40.7)Operating cash flow, Q1 FY2024, three months to 2024-03-31−$40.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure(29.1)Operating cash flow, Q2 FY2024, three months to 2024-06-30−$29.1m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-08-05, accession 0001558370-25-010302. Derived: 6-month figure less the 3-month figure.Report this figure(25.2)Operating cash flow, Q3 FY2024, three months to 2024-09-30−$25.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-04, accession 0001104659-25-106264. Derived: 9-month figure less the 6-month figure.Report this figure(18.8)Operating cash flow, Q4 FY2024, three months to 2024-12-31−$18.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure(40.4)Operating cash flow, Q1 FY2025, three months to 2025-03-31−$40.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure(23.3)Operating cash flow, Q2 FY2025, three months to 2025-06-30−$23.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-04, accession 0001628280-26-052533. Derived: 6-month figure less the 3-month figure.Report this figure(26.6)Operating cash flow, Q3 FY2025, three months to 2025-09-30−$26.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-04, accession 0001104659-25-106264. Derived: 9-month figure less the 6-month figure.Report this figure(25.4)Operating cash flow, Q4 FY2025, three months to 2025-12-31−$25.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figure(44.2)Operating cash flow, Q1 FY2026, three months to 2026-03-31−$44.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure(9.2)Operating cash flow, Q2 FY2026, three months to 2026-06-30−$9.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-04, accession 0001628280-26-052533. Derived: 6-month figure less the 3-month figure.Report this figure
Capital expenditure$m0.0Capital expenditure, Q3 FY2023, three months to 2023-09-30$1.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2024-11-06, accession 0001558370-24-014532. Derived: 9-month figure less the 6-month figure.Report this figure(0.0)Capital expenditure, Q4 FY2023, three months to 2023-12-31−$1.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-02-26, accession 0001628280-26-012399. Derived: 12-month figure less the 9-month figure.Report this figurenot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported

Shares

Diluted shares (weighted)68.59m, Q2 FY2026
Rhythm Pharmaceuticals, Inc., shares, quarterly
Line itemUnitQ3 FY20222022-09-30Q1 FY20232023-03-31Q2 FY20232023-06-30Q3 FY20232023-09-30Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q1 FY20262026-03-31Q2 FY20262026-06-30
Diluted shares (weighted)m shares51.4Diluted shares (weighted), Q3 FY2022, three months to 2022-09-3051,400,922 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2023-11-08, accession 0001558370-23-018291.Report this figure56.7Diluted shares (weighted), Q1 FY2023, three months to 2023-03-3156,708,975 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2023-05-02, accession 0001558370-23-007675.Report this figure56.9Diluted shares (weighted), Q2 FY2023, three months to 2023-06-3056,867,662 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-08-06, accession 0001558370-24-011101.Report this figure57.9Diluted shares (weighted), Q3 FY2023, three months to 2023-09-3057,874,960 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-11-06, accession 0001558370-24-014532.Report this figure60.1Diluted shares (weighted), Q1 FY2024, three months to 2024-03-3160,143,558 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-05-07, accession 0001558370-25-006765.Report this figure61.0Diluted shares (weighted), Q2 FY2024, three months to 2024-06-3061,011,824 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-08-05, accession 0001558370-25-010302.Report this figure61.2Diluted shares (weighted), Q3 FY2024, three months to 2024-09-3061,219,918 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure63.1Diluted shares (weighted), Q1 FY2025, three months to 2025-03-3163,059,165 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure63.7Diluted shares (weighted), Q2 FY2025, three months to 2025-06-3063,684,359 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure66.3Diluted shares (weighted), Q3 FY2025, three months to 2025-09-3066,261,055 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-04, accession 0001104659-25-106264.Report this figure68.0Diluted shares (weighted), Q1 FY2026, three months to 2026-03-3167,974,193 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-05, accession 0001628280-26-030549.Report this figure68.6Diluted shares (weighted), Q2 FY2026, three months to 2026-06-3068,592,661 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure

Shares outstanding: 68.85mShares outstanding, period not labelled, at 2026-08-0168,852,082 shares. XBRL concept dei:EntityCommonStockSharesOutstanding. 10-Q filed 2026-08-04, accession 0001628280-26-052533.Report this figure at Aug 1, 2026, from the cover of the 10-Q filed Aug 4, 2026.

Source: SEC EDGAR, XBRL company facts. Last ingested by Listed: Oct 24, 2026, 15:45 ET. Listed shows no prices and gives no investment advice.