ANNX · Company research
Annexon, Inc. (ANNX): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
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Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 412000 | 2352520 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HighMark Wealth Management LLC | 1802451 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 300 | 1713 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Y-Intercept (Hong Kong) Ltd | 1772875 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 734585 | 4194480 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| PRELUDE CAPITAL MANAGEMENT, LLC | 1387508 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31642 | 180676 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| True Wealth Design, LLC | 1966033 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 283 | 1616 | — | — | — | Jul 16, 2026 | SEC_13F_DATASET |
| Blueshift Asset Management, LLC | 1727827 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 33338 | 190360 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| FIFTH THIRD BANCORP | 35527 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 38640 | 220634 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Quantbot Technologies LP | 1512991 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1562 | 8919 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Bridgefront Capital, LLC | 1725690 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28528 | 162895 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1257799 | 7182032 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| FOX RUN MANAGEMENT, L.L.C. | 1533457 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10920 | 62353 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| Susquehanna Portfolio Strategies, LLC | 1996449 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 395230 | 2256763 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BlackRock, Inc. | 2012383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7422521 | 42382595 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6871015 | 39233496 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| IEQ CAPITAL, LLC | 1779789 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 120010 | 685257 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| KLP KAPITALFORVALTNING AS | 1717443 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 26300 | 150173 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| ProShare Advisors LLC | 1357955 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25711 | 146810 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| BVF INC/IL | 1056807 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8698173 | 49666568 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1368163 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 88518 | 505438 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Ishara Investments LP | 2111609 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 820000 | 4682200 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Vanguard Personalized Indexing Management, LLC | 1767306 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12488 | 71306 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 227026 | 1296318 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| DAFNA Capital Management LLC | 1389933 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 297812 | 1700507 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Burnham & Co LLC | 2136877 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1000 | 5710 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Quadrature Capital Ltd | 1651424 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 27863 | 159098 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| BANK OF AMERICA CORP /DE/ | 70858 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 435553 | 2487008 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1425530 | 8139776 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| CANADA PENSION PLAN INVESTMENT BOARD | 1283718 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 38600 | 220406 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Jupiter Topco LLC | 2146052 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 59100 | 338348 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12786 | 73008 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | 1536186 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10798 | 61657 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| BARCLAYS PLC | 312069 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25889 | 147826 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| EverSource Wealth Advisors, LLC | 1710537 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16 | 91 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| Mirae Asset Global Investments Co., Ltd. | 1569395 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7328 | 41843 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| SJS Investment Consulting Inc. | 1894302 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20 | 115 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| STRS OHIO | 820478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21200 | 121052 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| Woodline Partners LP | 1784547 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6925067 | 39542133 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| STATE OF WISCONSIN INVESTMENT BOARD | 854157 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 286375 | 1635201 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1825718 | 10424850 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 10779 | 61548 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 1005354 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 54300 | 310053 | — | — | — | Aug 25, 2026 | SEC_13F_DATASET |
| MARSHALL WACE, LLP | 1318757 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 210607 | 1202566 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Essential Partners LLC | 2136442 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 674 | 3849 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7684 | 43876 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| NEW YORK STATE COMMON RETIREMENT FUND | 810265 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 36568 | 208803 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| SG Americas Securities, LLC | 1313360 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 42823 | 245 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| STATE STREET CORP | 93751 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 9824321 | 56096873 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| JUPITER ASSET MANAGEMENT LTD | 1215838 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 46074 | 263083 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Stone House Investment Management, LLC | 1696497 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16 | 91 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| China Universal Asset Management Co., Ltd. | 1906594 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 62076 | 354454 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| DNB Asset Management AS | 1456670 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 73147 | 417669 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Pacer Advisors, Inc. | 1616667 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2894 | 17 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 1632972 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 20253 | 117467 | — | — | — | Jul 15, 2026 | SEC_13F_DATASET |
| BOOTHBAY FUND MANAGEMENT, LLC | 1549230 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 120129 | 685937 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| FMR LLC | 315066 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18163391 | 103712963 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VICTORY CAPITAL MANAGEMENT INC | 1040188 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 127338 | 727100 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Palo Alto Investors LP | 1306923 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2948090 | 16833594 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| Virtus Investment Advisers, LLC | 19481 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 69468 | 396662 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| E Fund Management Co., Ltd. | 1842296 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 24433 | 139512 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Swiss National Bank | 1582202 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 244600 | 1396666 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| IFP Advisors, Inc | 1641866 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 569 | 3249 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| Physician Wealth Advisors, Inc. | 1795173 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 269 | 1536 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| Cinctive Capital Management LP | 1787258 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 215748 | 1231921 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Crown Wealth Group, LLC | 1845698 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 23763 | 135687 | — | — | — | Jul 21, 2026 | SEC_13F_DATASET |
| Persistent Asset Partners Ltd | 2056052 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 536 | 134686 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| WELLINGTON MANAGEMENT GROUP LLP | 902219 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 259853 | 1483761 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | 1446179 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21010 | 119967 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 129243 | 738 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| J. Goldman & Co LP | 1412741 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 116046 | 662623 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MAK CAPITAL ONE LLC | 1385702 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5862180 | 33473048 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| PANAGORA ASSET MANAGEMENT INC | 883677 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 967926 | 5526857 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 234284 | 1337762 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TEACHER RETIREMENT SYSTEM OF TEXAS | 796848 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14233 | 81270 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| DLD Asset Management, LP | 1578299 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 60000 | 343200 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1520354 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2024 | 11557 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Clearstead Advisors, LLC | 842775 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15 | 86 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Engineers Gate Manager LP | 1620220 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 319057 | 1821815 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Sterling Capital Management LLC | 1329883 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 545 | 3112 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| LPL Financial LLC | 1403438 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15809 | 90269 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| MetLife Investment Management, LLC | 1529735 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 91005 | 519639 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.