Listed

Boundless Bio, Inc.

BOLDNasdaqCIK 1782303HealthcareFiscal 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

Operating income−$24.4m, Q2 FY2026
Net income−$23.7m, Q2 FY2026
Boundless Bio, Inc., income statement, quarterly
Line itemUnitperiod not labelled2023-09-30period not labelled2023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Research and development$m11.6Research and development, period not labelled, three months to 2023-09-30$11.6m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2024-11-07, accession 0000950170-24-123291.Report this figure10.4Research and development, period not labelled, three months to 2023-12-31$10.4m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2025-03-27, accession 0000950170-25-045725. Derived: 12-month figure less the 9-month figure.Report this figure13.1Research and development, Q1 FY2024, three months to 2024-03-31$13.1m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure14.7Research and development, Q2 FY2024, three months to 2024-06-30$14.7m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-08-05, accession 0000950170-25-102391.Report this figure14.1Research and development, Q3 FY2024, three months to 2024-09-30$14.1m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure13.3Research and development, Q4 FY2024, three months to 2024-12-31$13.3m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-03-09, accession 0001193125-26-097543. Derived: 12-month figure less the 9-month figure.Report this figure12.1Research and development, Q1 FY2025, three months to 2025-03-31$12.1m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure12.2Research and development, Q2 FY2025, three months to 2025-06-30$12.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure10.7Research and development, Q3 FY2025, three months to 2025-09-30$10.7m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure9.8Research and development, Q4 FY2025, three months to 2025-12-31$9.8m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-03-09, accession 0001193125-26-097543. Derived: 12-month figure less the 9-month figure.Report this figure9.7Research and development, Q1 FY2026, three months to 2026-03-31$9.7m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure14.0Research and development, Q2 FY2026, three months to 2026-06-30$14.0m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure
Operating income$m(15.0)Operating income, period not labelled, three months to 2023-09-30−$15.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2024-11-07, accession 0000950170-24-123291.Report this figure(13.8)Operating income, period not labelled, three months to 2023-12-31−$13.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2025-03-27, accession 0000950170-25-045725. Derived: 12-month figure less the 9-month figure.Report this figure(16.9)Operating income, Q1 FY2024, three months to 2024-03-31−$16.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure(19.4)Operating income, Q2 FY2024, three months to 2024-06-30−$19.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-08-05, accession 0000950170-25-102391.Report this figure(18.7)Operating income, Q3 FY2024, three months to 2024-09-30−$18.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure(18.3)Operating income, Q4 FY2024, three months to 2024-12-31−$18.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-09, accession 0001193125-26-097543. Derived: 12-month figure less the 9-month figure.Report this figure(17.3)Operating income, Q1 FY2025, three months to 2025-03-31−$17.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure(17.1)Operating income, Q2 FY2025, three months to 2025-06-30−$17.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure(15.1)Operating income, Q3 FY2025, three months to 2025-09-30−$15.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure(14.0)Operating income, Q4 FY2025, three months to 2025-12-31−$14.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-09, accession 0001193125-26-097543. Derived: 12-month figure less the 9-month figure.Report this figure(14.5)Operating income, Q1 FY2026, three months to 2026-03-31−$14.5m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure(24.4)Operating income, Q2 FY2026, three months to 2026-06-30−$24.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure
Net income$m(13.2)Net income, period not labelled, three months to 2023-09-30−$13.2m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2024-11-07, accession 0000950170-24-123291.Report this figure(12.1)Net income, period not labelled, three months to 2023-12-31−$12.1m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2025-03-27, accession 0000950170-25-045725. Derived: 12-month figure less the 9-month figure.Report this figure(15.4)Net income, Q1 FY2024, three months to 2024-03-31−$15.4m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure(17.0)Net income, Q2 FY2024, three months to 2024-06-30−$17.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-08-05, accession 0000950170-25-102391.Report this figure(16.5)Net income, Q3 FY2024, three months to 2024-09-30−$16.5m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure(16.4)Net income, Q4 FY2024, three months to 2024-12-31−$16.4m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-09, accession 0001193125-26-097543. Derived: 12-month figure less the 9-month figure.Report this figure(15.8)Net income, Q1 FY2025, three months to 2025-03-31−$15.8m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure(15.7)Net income, Q2 FY2025, three months to 2025-06-30−$15.7m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure(13.9)Net income, Q3 FY2025, three months to 2025-09-30−$13.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure(12.9)Net income, Q4 FY2025, three months to 2025-12-31−$12.9m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-09, accession 0001193125-26-097543. Derived: 12-month figure less the 9-month figure.Report this figure(13.6)Net income, Q1 FY2026, three months to 2026-03-31−$13.6m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure(23.7)Net income, Q2 FY2026, three months to 2026-06-30−$23.7m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure
Diluted EPS$ per share(10.71)Diluted EPS, period not labelled, three months to 2023-09-30−$10.71 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2024-11-07, accession 0000950170-24-123291.Report this figurenot reported(12.27)Diluted EPS, Q1 FY2024, three months to 2024-03-31−$12.27 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure(0.77)Diluted EPS, Q2 FY2024, three months to 2024-06-30−$0.77 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-08-05, accession 0000950170-25-102391.Report this figure(0.74)Diluted EPS, Q3 FY2024, three months to 2024-09-30−$0.74 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figurenot reported(0.71)Diluted EPS, Q1 FY2025, three months to 2025-03-31−$0.71 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure(0.70)Diluted EPS, Q2 FY2025, three months to 2025-06-30−$0.70 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure(0.62)Diluted EPS, Q3 FY2025, three months to 2025-09-30−$0.62 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figurenot reported(0.60)Diluted EPS, Q1 FY2026, three months to 2026-03-31−$0.60 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure(1.06)Diluted EPS, Q2 FY2026, three months to 2026-06-30−$1.06 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure
Basic EPS$ per share(10.71)Basic EPS, period not labelled, three months to 2023-09-30−$10.71 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2024-11-07, accession 0000950170-24-123291.Report this figurenot reported(12.27)Basic EPS, Q1 FY2024, three months to 2024-03-31−$12.27 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure(0.77)Basic EPS, Q2 FY2024, three months to 2024-06-30−$0.77 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-08-05, accession 0000950170-25-102391.Report this figure(0.74)Basic EPS, Q3 FY2024, three months to 2024-09-30−$0.74 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figurenot reported(0.71)Basic EPS, Q1 FY2025, three months to 2025-03-31−$0.71 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure(0.70)Basic EPS, Q2 FY2025, three months to 2025-06-30−$0.70 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure(0.62)Basic EPS, Q3 FY2025, three months to 2025-09-30−$0.62 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figurenot reported(0.60)Basic EPS, Q1 FY2026, three months to 2026-03-31−$0.60 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure(1.06)Basic EPS, Q2 FY2026, three months to 2026-06-30−$1.06 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure

Balance sheet

Cash and equivalents$20.2m, Q2 FY2026
Shareholders' equity$66.0m, Q2 FY2026
Boundless Bio, Inc., balance sheet, quarterly
Line itemUnitperiod not labelled2023-09-30period not labelled2023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Cash and equivalents$m21.0Cash and equivalents, period not labelled, at 2023-09-30$21.0m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-11-07, accession 0000950170-24-123291.Report this figure23.7Cash and equivalents, period not labelled, at 2023-12-31$23.7m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2025-03-27, accession 0000950170-25-045725.Report this figure25.1Cash and equivalents, Q1 FY2024, at 2024-03-31$25.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure31.4Cash and equivalents, Q2 FY2024, at 2024-06-30$31.4m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-08-05, accession 0000950170-25-102391.Report this figure40.2Cash and equivalents, Q3 FY2024, at 2024-09-30$40.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure26.6Cash and equivalents, FY2024, at 2024-12-31$26.6m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2026-03-09, accession 0001193125-26-097543.Report this figure15.1Cash and equivalents, Q1 FY2025, at 2025-03-31$15.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure14.7Cash and equivalents, Q2 FY2025, at 2025-06-30$14.7m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure15.0Cash and equivalents, Q3 FY2025, at 2025-09-30$15.0m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure17.9Cash and equivalents, FY2025, at 2025-12-31$17.9m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure17.5Cash and equivalents, Q1 FY2026, at 2026-03-31$17.5m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure20.2Cash and equivalents, Q2 FY2026, at 2026-06-30$20.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure
Current assets$mnot reported124Current assets, period not labelled, at 2023-12-31$124.2m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2025-03-27, accession 0000950170-25-045725.Report this figure112Current assets, Q1 FY2024, at 2024-03-31$112.2m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-05-13, accession 0000950170-24-058188.Report this figure183Current assets, Q2 FY2024, at 2024-06-30$183.1m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-08-12, accession 0000950170-24-095421.Report this figure170Current assets, Q3 FY2024, at 2024-09-30$170.4m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-11-07, accession 0000950170-24-123291.Report this figure154Current assets, FY2024, at 2024-12-31$154.4m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2026-03-09, accession 0001193125-26-097543.Report this figure140Current assets, Q1 FY2025, at 2025-03-31$140.4m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure130Current assets, Q2 FY2025, at 2025-06-30$129.7m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-08-05, accession 0000950170-25-102391.Report this figure120Current assets, Q3 FY2025, at 2025-09-30$120.2m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure110Current assets, FY2025, at 2025-12-31$109.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure94.6Current assets, Q1 FY2026, at 2026-03-31$94.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure73.6Current assets, Q2 FY2026, at 2026-06-30$73.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure
Total assets$mnot reported130Total assets, period not labelled, at 2023-12-31$129.9m. XBRL concept us-gaap:Assets. 10-K filed 2025-03-27, accession 0000950170-25-045725.Report this figure117Total assets, Q1 FY2024, at 2024-03-31$117.1m. XBRL concept us-gaap:Assets. 10-Q filed 2024-05-13, accession 0000950170-24-058188.Report this figure188Total assets, Q2 FY2024, at 2024-06-30$188.2m. XBRL concept us-gaap:Assets. 10-Q filed 2024-08-12, accession 0000950170-24-095421.Report this figure175Total assets, Q3 FY2024, at 2024-09-30$175.1m. XBRL concept us-gaap:Assets. 10-Q filed 2024-11-07, accession 0000950170-24-123291.Report this figure206Total assets, FY2024, at 2024-12-31$206.4m. XBRL concept us-gaap:Assets. 10-K filed 2026-03-09, accession 0001193125-26-097543.Report this figure191Total assets, Q1 FY2025, at 2025-03-31$191.2m. XBRL concept us-gaap:Assets. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure179Total assets, Q2 FY2025, at 2025-06-30$179.5m. XBRL concept us-gaap:Assets. 10-Q filed 2025-08-05, accession 0000950170-25-102391.Report this figure169Total assets, Q3 FY2025, at 2025-09-30$168.7m. XBRL concept us-gaap:Assets. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure157Total assets, FY2025, at 2025-12-31$157.1m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure141Total assets, Q1 FY2026, at 2026-03-31$141.0m. XBRL concept us-gaap:Assets. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure73.7Total assets, Q2 FY2026, at 2026-06-30$73.7m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure
Current liabilities$mnot reported9.4Current liabilities, period not labelled, at 2023-12-31$9.4m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2025-03-27, accession 0000950170-25-045725.Report this figure10.6Current liabilities, Q1 FY2024, at 2024-03-31$10.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-05-13, accession 0000950170-24-058188.Report this figure9.0Current liabilities, Q2 FY2024, at 2024-06-30$9.0m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-08-12, accession 0000950170-24-095421.Report this figure10.0Current liabilities, Q3 FY2024, at 2024-09-30$10.0m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-11-07, accession 0000950170-24-123291.Report this figure8.1Current liabilities, FY2024, at 2024-12-31$8.1m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2026-03-09, accession 0001193125-26-097543.Report this figure6.3Current liabilities, Q1 FY2025, at 2025-03-31$6.3m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure9.2Current liabilities, Q2 FY2025, at 2025-06-30$9.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-08-05, accession 0000950170-25-102391.Report this figure11.8Current liabilities, Q3 FY2025, at 2025-09-30$11.8m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure12.5Current liabilities, FY2025, at 2025-12-31$12.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure9.6Current liabilities, Q1 FY2026, at 2026-03-31$9.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure7.8Current liabilities, Q2 FY2026, at 2026-06-30$7.8m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure
Total liabilities$mnot reported9.4Total liabilities, period not labelled, at 2023-12-31$9.4m. XBRL concept us-gaap:Liabilities. 10-K filed 2025-03-27, accession 0000950170-25-045725.Report this figurenot reportednot reportednot reported55.8Total liabilities, FY2024, at 2024-12-31$55.8m. XBRL concept us-gaap:Liabilities. 10-K filed 2026-03-09, accession 0001193125-26-097543.Report this figure54.7Total liabilities, Q1 FY2025, at 2025-03-31$54.6m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure56.8Total liabilities, Q2 FY2025, at 2025-06-30$56.8m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-08-05, accession 0000950170-25-102391.Report this figure58.6Total liabilities, Q3 FY2025, at 2025-09-30$58.6m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure58.4Total liabilities, FY2025, at 2025-12-31$58.4m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure54.6Total liabilities, Q1 FY2026, at 2026-03-31$54.6m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure7.8Total liabilities, Q2 FY2026, at 2026-06-30$7.8m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure
Shareholders' equity$m(116)Shareholders' equity, period not labelled, at 2023-09-30−$116.0m. XBRL concept us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest. 10-Q filed 2024-11-07, accession 0000950170-24-123291.Report this figure(127)Shareholders' equity, period not labelled, at 2023-12-31−$127.1m. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2025-03-27, accession 0000950170-25-045725.Report this figure(141)Shareholders' equity, Q1 FY2024, at 2024-03-31−$141.2m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-05-13, accession 0000950170-24-058188.Report this figure179Shareholders' equity, Q2 FY2024, at 2024-06-30$179.2m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-08-12, accession 0000950170-24-095421.Report this figure165Shareholders' equity, Q3 FY2024, at 2024-09-30$165.1m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-11-07, accession 0000950170-24-123291.Report this figure151Shareholders' equity, FY2024, at 2024-12-31$150.6m. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2026-03-09, accession 0001193125-26-097543.Report this figure137Shareholders' equity, Q1 FY2025, at 2025-03-31$136.6m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure123Shareholders' equity, Q2 FY2025, at 2025-06-30$122.7m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-08-05, accession 0000950170-25-102391.Report this figure110Shareholders' equity, Q3 FY2025, at 2025-09-30$110.2m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure98.7Shareholders' equity, FY2025, at 2025-12-31$98.7m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure86.4Shareholders' equity, Q1 FY2026, at 2026-03-31$86.4m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure66.0Shareholders' equity, Q2 FY2026, at 2026-06-30$66.0m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure

Cash flow

Operating cash flow−$21.0m, Q2 FY2026
Capital expenditure$38.0k, Q2 FY2026
Boundless Bio, Inc., cash flow, quarterly
Line itemUnitperiod not labelled2023-09-30period not labelled2023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Operating cash flow$m(12.2)Operating cash flow, period not labelled, three months to 2023-09-30−$12.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2024-11-07, accession 0000950170-24-123291. Derived: 9-month figure less the 6-month figure.Report this figure(11.7)Operating cash flow, period not labelled, three months to 2023-12-31−$11.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2025-03-27, accession 0000950170-25-045725. Derived: 12-month figure less the 9-month figure.Report this figure(15.8)Operating cash flow, Q1 FY2024, three months to 2024-03-31−$15.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure(16.2)Operating cash flow, Q2 FY2024, three months to 2024-06-30−$16.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-08-05, accession 0000950170-25-102391. Derived: 6-month figure less the 3-month figure.Report this figure(13.3)Operating cash flow, Q3 FY2024, three months to 2024-09-30−$13.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-05, accession 0001193125-25-265714. Derived: 9-month figure less the 6-month figure.Report this figure(15.6)Operating cash flow, Q4 FY2024, three months to 2024-12-31−$15.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-09, accession 0001193125-26-097543. Derived: 12-month figure less the 9-month figure.Report this figure(14.5)Operating cash flow, Q1 FY2025, three months to 2025-03-31−$14.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure(11.8)Operating cash flow, Q2 FY2025, three months to 2025-06-30−$11.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001193125-26-339093. Derived: 6-month figure less the 3-month figure.Report this figure(10.2)Operating cash flow, Q3 FY2025, three months to 2025-09-30−$10.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-05, accession 0001193125-25-265714. Derived: 9-month figure less the 6-month figure.Report this figure(10.1)Operating cash flow, Q4 FY2025, three months to 2025-12-31−$10.1m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-09, accession 0001193125-26-097543. Derived: 12-month figure less the 9-month figure.Report this figure(15.0)Operating cash flow, Q1 FY2026, three months to 2026-03-31−$15.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure(21.0)Operating cash flow, Q2 FY2026, three months to 2026-06-30−$21.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001193125-26-339093. Derived: 6-month figure less the 3-month figure.Report this figure
Capital expenditure$m0.2Capital expenditure, period not labelled, three months to 2023-09-30$151.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2024-11-07, accession 0000950170-24-123291. Derived: 9-month figure less the 6-month figure.Report this figure0.3Capital expenditure, period not labelled, three months to 2023-12-31$268.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2025-03-27, accession 0000950170-25-045725. Derived: 12-month figure less the 9-month figure.Report this figure0.1Capital expenditure, Q1 FY2024, three months to 2024-03-31$83.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure1.5Capital expenditure, Q2 FY2024, three months to 2024-06-30$1.5m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-08-05, accession 0000950170-25-102391. Derived: 6-month figure less the 3-month figure.Report this figure0.5Capital expenditure, Q3 FY2024, three months to 2024-09-30$483.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-05, accession 0001193125-25-265714. Derived: 9-month figure less the 6-month figure.Report this figure0.5Capital expenditure, Q4 FY2024, three months to 2024-12-31$466.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-09, accession 0001193125-26-097543. Derived: 12-month figure less the 9-month figure.Report this figure0.1Capital expenditure, Q1 FY2025, three months to 2025-03-31$59.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure0.0Capital expenditure, Q2 FY2025, three months to 2025-06-30$48.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001193125-26-339093. Derived: 6-month figure less the 3-month figure.Report this figure0.0Capital expenditure, Q3 FY2025, three months to 2025-09-30$15.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-05, accession 0001193125-25-265714. Derived: 9-month figure less the 6-month figure.Report this figure0.4Capital expenditure, Q4 FY2025, three months to 2025-12-31$424.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-09, accession 0001193125-26-097543. Derived: 12-month figure less the 9-month figure.Report this figure0.0Capital expenditure, Q1 FY2026, three months to 2026-03-31$8.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure0.0Capital expenditure, Q2 FY2026, three months to 2026-06-30$38.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001193125-26-339093. Derived: 6-month figure less the 3-month figure.Report this figure

Shares

Diluted shares (weighted)22.45m, Q2 FY2026
Boundless Bio, Inc., shares, quarterly
Line itemUnitperiod not labelled2023-03-31period not labelled2023-06-30period not labelled2023-09-30Q1 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 shares1.2Diluted shares (weighted), period not labelled, three months to 2023-03-311,183,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-05-13, accession 0000950170-24-058188.Report this figure1.2Diluted shares (weighted), period not labelled, three months to 2023-06-301,206,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-08-12, accession 0000950170-24-095421.Report this figure1.2Diluted shares (weighted), period not labelled, three months to 2023-09-301,230,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-11-07, accession 0000950170-24-123291.Report this figure1.3Diluted shares (weighted), Q1 FY2024, three months to 2024-03-311,258,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-05-09, accession 0000950170-25-067496.Report this figure22.0Diluted shares (weighted), Q2 FY2024, three months to 2024-06-3022,023,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-08-05, accession 0000950170-25-102391.Report this figure22.3Diluted shares (weighted), Q3 FY2024, three months to 2024-09-3022,254,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure22.3Diluted shares (weighted), Q1 FY2025, three months to 2025-03-3122,300,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure22.4Diluted shares (weighted), Q2 FY2025, three months to 2025-06-3022,356,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure22.4Diluted shares (weighted), Q3 FY2025, three months to 2025-09-3022,386,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-05, accession 0001193125-25-265714.Report this figure22.4Diluted shares (weighted), Q1 FY2026, three months to 2026-03-3122,407,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-08, accession 0001193125-26-213321.Report this figure22.5Diluted shares (weighted), Q2 FY2026, three months to 2026-06-3022,450,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure

Shares outstanding: 22.75mShares outstanding, period not labelled, at 2026-08-0522,747,985 shares. XBRL concept dei:EntityCommonStockSharesOutstanding. 10-Q filed 2026-08-07, accession 0001193125-26-339093.Report this figure at Aug 5, 2026, from the cover of the 10-Q filed Aug 7, 2026.

Source: SEC EDGAR, XBRL company facts. Last ingested by Listed: Oct 24, 2026, 15:47 ET. Listed shows no prices and gives no investment advice.