Listed

Annexon, Inc.

ANNXNasdaqCIK 1528115HealthcareFiscal 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−$57.2m, Q2 FY2026
Net income−$55.3m, Q2 FY2026
Annexon, Inc., income statement, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Research and development$m27.9Research and development, Q3 FY2023, three months to 2023-09-30$27.9m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2024-11-14, accession 0000950170-24-127057.Report this figure23.3Research and development, Q4 FY2023, three months to 2023-12-31$23.3m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2025-03-03, accession 0000950170-25-030849. Derived: 12-month figure less the 9-month figure.Report this figure21.0Research and development, Q1 FY2024, three months to 2024-03-31$21.0m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-05-12, accession 0000950170-25-069200.Report this figure25.0Research and development, Q2 FY2024, three months to 2024-06-30$25.0m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-08-14, accession 0000950170-25-108869.Report this figure30.1Research and development, Q3 FY2024, three months to 2024-09-30$30.1m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure43.4Research and development, Q4 FY2024, three months to 2024-12-31$43.4m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-03-30, accession 0001193125-26-131782. Derived: 12-month figure less the 9-month figure.Report this figure48.2Research and development, Q1 FY2025, three months to 2025-03-31$48.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure44.2Research and development, Q2 FY2025, three months to 2025-06-30$44.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure49.7Research and development, Q3 FY2025, three months to 2025-09-30$49.7m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure42.7Research and development, Q4 FY2025, three months to 2025-12-31$42.7m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-03-30, accession 0001193125-26-131782. Derived: 12-month figure less the 9-month figure.Report this figure35.8Research and development, Q1 FY2026, three months to 2026-03-31$35.8m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure46.6Research and development, Q2 FY2026, three months to 2026-06-30$46.6m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure
Operating income$m(34.8)Operating income, Q3 FY2023, three months to 2023-09-30−$34.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2024-11-14, accession 0000950170-24-127057.Report this figure(30.0)Operating income, Q4 FY2023, three months to 2023-12-31−$30.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2025-03-03, accession 0000950170-25-030849. Derived: 12-month figure less the 9-month figure.Report this figure(28.6)Operating income, Q1 FY2024, three months to 2024-03-31−$28.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-05-12, accession 0000950170-25-069200.Report this figure(33.6)Operating income, Q2 FY2024, three months to 2024-06-30−$33.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-08-14, accession 0000950170-25-108869.Report this figure(39.4)Operating income, Q3 FY2024, three months to 2024-09-30−$39.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure(52.5)Operating income, Q4 FY2024, three months to 2024-12-31−$52.5m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-30, accession 0001193125-26-131782. Derived: 12-month figure less the 9-month figure.Report this figure(57.4)Operating income, Q1 FY2025, three months to 2025-03-31−$57.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure(51.7)Operating income, Q2 FY2025, three months to 2025-06-30−$51.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure(57.0)Operating income, Q3 FY2025, three months to 2025-09-30−$57.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure(50.3)Operating income, Q4 FY2025, three months to 2025-12-31−$50.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-30, accession 0001193125-26-131782. Derived: 12-month figure less the 9-month figure.Report this figure(46.1)Operating income, Q1 FY2026, three months to 2026-03-31−$46.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure(57.2)Operating income, Q2 FY2026, three months to 2026-06-30−$57.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure
Income tax$mnot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported
Net income$m(32.5)Net income, Q3 FY2023, three months to 2023-09-30−$32.5m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2024-11-14, accession 0000950170-24-127057.Report this figure(27.9)Net income, Q4 FY2023, three months to 2023-12-31−$27.9m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2025-03-03, accession 0000950170-25-030849. Derived: 12-month figure less the 9-month figure.Report this figure(25.2)Net income, Q1 FY2024, three months to 2024-03-31−$25.2m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure(29.6)Net income, Q2 FY2024, three months to 2024-06-30−$29.6m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure(34.8)Net income, Q3 FY2024, three months to 2024-09-30−$34.8m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure(48.6)Net income, Q4 FY2024, three months to 2024-12-31−$48.6m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-30, accession 0001193125-26-131782. Derived: 12-month figure less the 9-month figure.Report this figure(54.4)Net income, Q1 FY2025, three months to 2025-03-31−$54.4m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure(49.2)Net income, Q2 FY2025, three months to 2025-06-30−$49.2m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure(54.9)Net income, Q3 FY2025, three months to 2025-09-30−$54.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure(48.3)Net income, Q4 FY2025, three months to 2025-12-31−$48.3m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-30, accession 0001193125-26-131782. Derived: 12-month figure less the 9-month figure.Report this figure(44.1)Net income, Q1 FY2026, three months to 2026-03-31−$44.1m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure(55.3)Net income, Q2 FY2026, three months to 2026-06-30−$55.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure
Diluted EPS$ per share(0.43)Diluted EPS, Q3 FY2023, three months to 2023-09-30−$0.43 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2024-11-14, accession 0000950170-24-127057.Report this figurenot reported(0.21)Diluted EPS, Q1 FY2024, three months to 2024-03-31−$0.21 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-05-12, accession 0000950170-25-069200.Report this figure(0.23)Diluted EPS, Q2 FY2024, three months to 2024-06-30−$0.23 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-08-14, accession 0000950170-25-108869.Report this figure(0.25)Diluted EPS, Q3 FY2024, three months to 2024-09-30−$0.25 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figurenot reported(0.37)Diluted EPS, Q1 FY2025, three months to 2025-03-31−$0.37 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure(0.34)Diluted EPS, Q2 FY2025, three months to 2025-06-30−$0.34 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure(0.37)Diluted EPS, Q3 FY2025, three months to 2025-09-30−$0.37 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figurenot reported(0.23)Diluted EPS, Q1 FY2026, three months to 2026-03-31−$0.23 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure(0.28)Diluted EPS, Q2 FY2026, three months to 2026-06-30−$0.28 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure
Basic EPS$ per share(0.43)Basic EPS, Q3 FY2023, three months to 2023-09-30−$0.43 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2024-11-14, accession 0000950170-24-127057.Report this figurenot reported(0.21)Basic EPS, Q1 FY2024, three months to 2024-03-31−$0.21 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-05-12, accession 0000950170-25-069200.Report this figure(0.23)Basic EPS, Q2 FY2024, three months to 2024-06-30−$0.23 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-08-14, accession 0000950170-25-108869.Report this figure(0.25)Basic EPS, Q3 FY2024, three months to 2024-09-30−$0.25 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figurenot reported(0.37)Basic EPS, Q1 FY2025, three months to 2025-03-31−$0.37 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure(0.34)Basic EPS, Q2 FY2025, three months to 2025-06-30−$0.34 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure(0.37)Basic EPS, Q3 FY2025, three months to 2025-09-30−$0.37 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figurenot reported(0.23)Basic EPS, Q1 FY2026, three months to 2026-03-31−$0.23 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure(0.28)Basic EPS, Q2 FY2026, three months to 2026-06-30−$0.28 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure

Balance sheet

Cash and equivalents$199.3m, Q2 FY2026
Shareholders' equity$186.1m, Q2 FY2026
Annexon, Inc., balance sheet, quarterly
Line itemUnitQ3 FY20232023-09-30FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Cash and equivalents$m133Cash and equivalents, Q3 FY2023, at 2023-09-30$133.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2023-11-13, accession 0000950170-23-062913.Report this figure225Cash and equivalents, FY2023, at 2023-12-31$225.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2025-03-03, accession 0000950170-25-030849.Report this figure152Cash and equivalents, Q1 FY2024, at 2024-03-31$151.9m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-05-13, accession 0000950170-24-058659.Report this figure157Cash and equivalents, Q2 FY2024, at 2024-06-30$157.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-08-12, accession 0000950170-24-095401.Report this figure79.5Cash and equivalents, Q3 FY2024, at 2024-09-30$79.5m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-11-14, accession 0000950170-24-127057.Report this figure49.5Cash and equivalents, FY2024, at 2024-12-31$49.5m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2026-03-30, accession 0001193125-26-131782.Report this figure97.1Cash and equivalents, Q1 FY2025, at 2025-03-31$97.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-05-12, accession 0000950170-25-069200.Report this figure132Cash and equivalents, Q2 FY2025, at 2025-06-30$132.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-08-14, accession 0000950170-25-108869.Report this figure139Cash and equivalents, Q3 FY2025, at 2025-09-30$139.4m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure162Cash and equivalents, FY2025, at 2025-12-31$162.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure175Cash and equivalents, Q1 FY2026, at 2026-03-31$175.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure199Cash and equivalents, Q2 FY2026, at 2026-06-30$199.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure
Current assets$m169Current assets, Q3 FY2023, at 2023-09-30$169.2m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2023-11-13, accession 0000950170-23-062913.Report this figure264Current assets, FY2023, at 2023-12-31$263.9m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2025-03-03, accession 0000950170-25-030849.Report this figure271Current assets, Q1 FY2024, at 2024-03-31$270.7m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-05-13, accession 0000950170-24-058659.Report this figure374Current assets, Q2 FY2024, at 2024-06-30$374.0m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-08-12, accession 0000950170-24-095401.Report this figure344Current assets, Q3 FY2024, at 2024-09-30$344.3m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-11-14, accession 0000950170-24-127057.Report this figure316Current assets, FY2024, at 2024-12-31$316.5m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2026-03-30, accession 0001193125-26-131782.Report this figure268Current assets, Q1 FY2025, at 2025-03-31$268.2m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-05-12, accession 0000950170-25-069200.Report this figure231Current assets, Q2 FY2025, at 2025-06-30$230.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-08-14, accession 0000950170-25-108869.Report this figure193Current assets, Q3 FY2025, at 2025-09-30$192.8m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure242Current assets, FY2025, at 2025-12-31$242.2m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure228Current assets, Q1 FY2026, at 2026-03-31$228.3m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure213Current assets, Q2 FY2026, at 2026-06-30$212.8m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure
Total assets$m204Total assets, Q3 FY2023, at 2023-09-30$203.8m. XBRL concept us-gaap:Assets. 10-Q filed 2023-11-13, accession 0000950170-23-062913.Report this figure298Total assets, FY2023, at 2023-12-31$297.7m. XBRL concept us-gaap:Assets. 10-K filed 2025-03-03, accession 0000950170-25-030849.Report this figure304Total assets, Q1 FY2024, at 2024-03-31$304.1m. XBRL concept us-gaap:Assets. 10-Q filed 2024-05-13, accession 0000950170-24-058659.Report this figure406Total assets, Q2 FY2024, at 2024-06-30$406.1m. XBRL concept us-gaap:Assets. 10-Q filed 2024-08-12, accession 0000950170-24-095401.Report this figure379Total assets, Q3 FY2024, at 2024-09-30$378.8m. XBRL concept us-gaap:Assets. 10-Q filed 2024-11-14, accession 0000950170-24-127057.Report this figure350Total assets, FY2024, at 2024-12-31$350.1m. XBRL concept us-gaap:Assets. 10-K filed 2026-03-30, accession 0001193125-26-131782.Report this figure303Total assets, Q1 FY2025, at 2025-03-31$303.0m. XBRL concept us-gaap:Assets. 10-Q filed 2025-05-12, accession 0000950170-25-069200.Report this figure265Total assets, Q2 FY2025, at 2025-06-30$264.6m. XBRL concept us-gaap:Assets. 10-Q filed 2025-08-14, accession 0000950170-25-108869.Report this figure229Total assets, Q3 FY2025, at 2025-09-30$229.1m. XBRL concept us-gaap:Assets. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure278Total assets, FY2025, at 2025-12-31$277.6m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure263Total assets, Q1 FY2026, at 2026-03-31$262.9m. XBRL concept us-gaap:Assets. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure246Total assets, Q2 FY2026, at 2026-06-30$246.1m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure
Current liabilities$m17.2Current liabilities, Q3 FY2023, at 2023-09-30$17.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2023-11-13, accession 0000950170-23-062913.Report this figure17.9Current liabilities, FY2023, at 2023-12-31$17.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2025-03-03, accession 0000950170-25-030849.Report this figure13.1Current liabilities, Q1 FY2024, at 2024-03-31$13.1m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-05-13, accession 0000950170-24-058659.Report this figure17.1Current liabilities, Q2 FY2024, at 2024-06-30$17.1m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-08-12, accession 0000950170-24-095401.Report this figure20.0Current liabilities, Q3 FY2024, at 2024-09-30$20.0m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-11-14, accession 0000950170-24-127057.Report this figure30.5Current liabilities, FY2024, at 2024-12-31$30.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2026-03-30, accession 0001193125-26-131782.Report this figure33.5Current liabilities, Q1 FY2025, at 2025-03-31$33.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-05-12, accession 0000950170-25-069200.Report this figure40.6Current liabilities, Q2 FY2025, at 2025-06-30$40.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-08-14, accession 0000950170-25-108869.Report this figure43.6Current liabilities, Q3 FY2025, at 2025-09-30$43.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure42.6Current liabilities, FY2025, at 2025-12-31$42.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure35.9Current liabilities, Q1 FY2026, at 2026-03-31$35.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure38.5Current liabilities, Q2 FY2026, at 2026-06-30$38.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure
Total liabilities$m47.0Total liabilities, Q3 FY2023, at 2023-09-30$47.0m. XBRL concept us-gaap:Liabilities. 10-Q filed 2023-11-13, accession 0000950170-23-062913.Report this figure47.1Total liabilities, FY2023, at 2023-12-31$47.1m. XBRL concept us-gaap:Liabilities. 10-K filed 2025-03-03, accession 0000950170-25-030849.Report this figure41.7Total liabilities, Q1 FY2024, at 2024-03-31$41.7m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-05-13, accession 0000950170-24-058659.Report this figure45.0Total liabilities, Q2 FY2024, at 2024-06-30$45.0m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-08-12, accession 0000950170-24-095401.Report this figure47.2Total liabilities, Q3 FY2024, at 2024-09-30$47.2m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-11-14, accession 0000950170-24-127057.Report this figure57.0Total liabilities, FY2024, at 2024-12-31$57.0m. XBRL concept us-gaap:Liabilities. 10-K filed 2026-03-30, accession 0001193125-26-131782.Report this figure59.2Total liabilities, Q1 FY2025, at 2025-03-31$59.2m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-05-12, accession 0000950170-25-069200.Report this figure65.6Total liabilities, Q2 FY2025, at 2025-06-30$65.6m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-08-14, accession 0000950170-25-108869.Report this figure67.7Total liabilities, Q3 FY2025, at 2025-09-30$67.7m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure65.9Total liabilities, FY2025, at 2025-12-31$65.9m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure58.4Total liabilities, Q1 FY2026, at 2026-03-31$58.4m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure60.0Total liabilities, Q2 FY2026, at 2026-06-30$60.0m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure
Shareholders' equity$m157Shareholders' equity, Q3 FY2023, at 2023-09-30$156.8m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-11-14, accession 0000950170-24-127057.Report this figure251Shareholders' equity, FY2023, at 2023-12-31$250.6m. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2026-03-30, accession 0001193125-26-131782.Report this figure262Shareholders' equity, Q1 FY2024, at 2024-03-31$262.4m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure361Shareholders' equity, Q2 FY2024, at 2024-06-30$361.1m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure332Shareholders' equity, Q3 FY2024, at 2024-09-30$331.6m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure293Shareholders' equity, FY2024, at 2024-12-31$293.1m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure244Shareholders' equity, Q1 FY2025, at 2025-03-31$243.8m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure199Shareholders' equity, Q2 FY2025, at 2025-06-30$199.0m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure161Shareholders' equity, Q3 FY2025, at 2025-09-30$161.4m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure212Shareholders' equity, FY2025, at 2025-12-31$211.6m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure205Shareholders' equity, Q1 FY2026, at 2026-03-31$204.5m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure186Shareholders' equity, Q2 FY2026, at 2026-06-30$186.1m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure

Cash flow

Operating cash flow−$48.0m, Q2 FY2026
Capital expenditure$137.0k, Q2 FY2026
Annexon, Inc., cash flow, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Operating cash flow$m(28.3)Operating cash flow, Q3 FY2023, three months to 2023-09-30−$28.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2024-11-14, accession 0000950170-24-127057. Derived: 9-month figure less the 6-month figure.Report this figure(23.5)Operating cash flow, Q4 FY2023, three months to 2023-12-31−$23.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2025-03-03, accession 0000950170-25-030849. Derived: 12-month figure less the 9-month figure.Report this figure(28.3)Operating cash flow, Q1 FY2024, three months to 2024-03-31−$28.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-05-12, accession 0000950170-25-069200.Report this figure(21.7)Operating cash flow, Q2 FY2024, three months to 2024-06-30−$21.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-08-14, accession 0000950170-25-108869. Derived: 6-month figure less the 3-month figure.Report this figure(32.0)Operating cash flow, Q3 FY2024, three months to 2024-09-30−$32.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-10, accession 0001193125-25-274240. Derived: 9-month figure less the 6-month figure.Report this figure(36.0)Operating cash flow, Q4 FY2024, three months to 2024-12-31−$36.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-30, accession 0001193125-26-131782. Derived: 12-month figure less the 9-month figure.Report this figure(50.1)Operating cash flow, Q1 FY2025, three months to 2025-03-31−$50.1m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure(38.1)Operating cash flow, Q2 FY2025, three months to 2025-06-30−$38.1m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-12, accession 0001193125-26-346779. Derived: 6-month figure less the 3-month figure.Report this figure(52.3)Operating cash flow, Q3 FY2025, three months to 2025-09-30−$52.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-10, accession 0001193125-25-274240. Derived: 9-month figure less the 6-month figure.Report this figure(45.9)Operating cash flow, Q4 FY2025, three months to 2025-12-31−$45.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-30, accession 0001193125-26-131782. Derived: 12-month figure less the 9-month figure.Report this figure(46.8)Operating cash flow, Q1 FY2026, three months to 2026-03-31−$46.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure(48.0)Operating cash flow, Q2 FY2026, three months to 2026-06-30−$48.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-12, accession 0001193125-26-346779. Derived: 6-month figure less the 3-month figure.Report this figure
Capital expenditure$m0.0Capital expenditure, Q3 FY2023, three months to 2023-09-30$19.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2024-11-14, accession 0000950170-24-127057. Derived: 9-month figure less the 6-month figure.Report this figure0.0Capital expenditure, Q4 FY2023, three months to 2023-12-31$7.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2025-03-03, accession 0000950170-25-030849. Derived: 12-month figure less the 9-month figure.Report this figurenot reportednot reportednot reported0.0Capital expenditure, Q4 FY2024, three months to 2024-12-31$6.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-30, accession 0001193125-26-131782. Derived: 12-month figure less the 9-month figure.Report this figure0.1Capital expenditure, Q1 FY2025, three months to 2025-03-31$74.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure0.0Capital expenditure, Q2 FY2025, three months to 2025-06-30$15.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-12, accession 0001193125-26-346779. Derived: 6-month figure less the 3-month figure.Report this figure0.0Capital expenditure, Q3 FY2025, three months to 2025-09-30$48.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-10, accession 0001193125-25-274240. Derived: 9-month figure less the 6-month figure.Report this figure0.0Capital expenditure, Q4 FY2025, three months to 2025-12-31$0. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-30, accession 0001193125-26-131782. Derived: 12-month figure less the 9-month figure.Report this figure0.0Capital expenditure, Q1 FY2026, three months to 2026-03-31$0. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure0.1Capital expenditure, Q2 FY2026, three months to 2026-06-30$137.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-12, accession 0001193125-26-346779. Derived: 6-month figure less the 3-month figure.Report this figure

Shares

Diluted shares (weighted)201.00m, Q2 FY2026
Annexon, Inc., shares, quarterly
Line itemUnitQ3 FY20222022-09-30Q3 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 shares68.7Diluted shares (weighted), Q3 FY2022, three months to 2022-09-3068,652,859 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2023-11-13, accession 0000950170-23-062913.Report this figure73.9Diluted shares (weighted), Q3 FY2023, three months to 2023-03-3173,855,642 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-05-13, accession 0000950170-24-058659.Report this figure75.2Diluted shares (weighted), Q2 FY2023, three months to 2023-06-3075,230,003 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-08-12, accession 0000950170-24-095401.Report this figure75.3Diluted shares (weighted), Q3 FY2023, three months to 2023-09-3075,342,495 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-11-14, accession 0000950170-24-127057.Report this figure123Diluted shares (weighted), Q1 FY2024, three months to 2024-03-31122,673,202 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-05-12, accession 0000950170-25-069200.Report this figure130Diluted shares (weighted), Q2 FY2024, three months to 2024-06-30130,132,960 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-08-14, accession 0000950170-25-108869.Report this figure140Diluted shares (weighted), Q3 FY2024, three months to 2024-09-30139,933,019 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure148Diluted shares (weighted), Q1 FY2025, three months to 2025-03-31148,108,809 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure148Diluted shares (weighted), Q2 FY2025, three months to 2025-06-30148,320,803 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure149Diluted shares (weighted), Q3 FY2025, three months to 2025-09-30149,123,701 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-10, accession 0001193125-25-274240.Report this figure194Diluted shares (weighted), Q1 FY2026, three months to 2026-03-31194,200,100 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-07, accession 0001193125-26-211931.Report this figure201Diluted shares (weighted), Q2 FY2026, three months to 2026-06-30201,003,269 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-12, accession 0001193125-26-346779.Report this figure

Shares outstanding: 38.56mShares outstanding, period not labelled, at 2022-05-0238,563,565 shares. XBRL concept dei:EntityCommonStockSharesOutstanding. 10-Q filed 2022-05-09, accession 0000950170-22-008494.Report this figure at May 2, 2022, from the cover of the 10-Q filed May 9, 2022.

Source: SEC EDGAR, XBRL company facts. Last ingested by Listed: Oct 24, 2026, 15:42 ET. Listed shows no prices and gives no investment advice.