Annexon, Inc.
ANNX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001528115
In the last 90 days, Annexon, Inc. insiders filed 1 open-market purchase and 0 sales; 216 institutions reported holding it in 13F filings for Q2 2026, worth $1.02B in total; no superinvestor holds it.
13F holders, Q4 2024
Institutional positions in Annexon, Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 153
- +12 vs. Q3 2024
- Shares held
- 112.2M
- +2.57M (+2.3%) vs. Q3 2024
- Total value
- $574.6M
- −$73.3M (−11.3%) vs. Q3 2024
- New holders
- 30
- 60 more added
- Sold out
- 18
- 38 more reduced
1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ANNX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 216 | $1.02B |
| Q1 2026 | 217 | $863.7M |
| Q4 2025 | 168 | $687.2M |
| Q3 2025 | 144 | $309.2M |
| Q2 2025 | 129 | $238.7M |
| Q1 2025 | 148 | $192.1M |
| Q4 2024 | 153 | $574.6M |
| Q3 2024 | 142 | $651.8M |
| Q2 2024 | 140 | $526.9M |
| Q1 2024 | 127 | $679.4M |
| Q4 2023 | 99 | $365.7M |
| Q3 2023 | 93 | $126.0M |
| Q2 2023 | 95 | $190.0M |
| Q1 2023 | 100 | $207.6M |
| Q4 2022 | 84 | $243.3M |
| Q3 2022 | 72 | $292.3M |
| Q2 2022 | 78 | $144.9M |
| Q1 2022 | 100 | $105.9M |
| Q4 2021 | 97 | $445.7M |
| Q3 2021 | 82 | $708.6M |
| Q2 2021 | 74 | $873.7M |
| Q1 2021 | 72 | $1.04B |
Institutions, Q4 2024
Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 14,224,383 | $73.0M | 0.00% | +5,662,434+66.1% | Added |
| BlackRock, Inc. | 8,486,187 | $43.5M | 0.00% | +838,473+11.0% | Added |
| Satter Management Co., L.P. | 7,406,024 | $38.0M | 66.89% | 00.0% | Unchanged |
| BVF Inc | 7,000,000 | $35.9M | 1.22% | 00.0% | Unchanged |
| Redmile Group, LLC | 6,300,644 | $32.3M | 2.25% | −126,818−2.0% | Reduced |
| Point72 Asset Management, L.P. | 5,626,796 | $28.9M | 0.08% | +299,798+5.6% | Added |
| Vanguard Group Inc | 5,546,918 | $28.5M | 0.00% | +576,625+11.6% | Added |
| Bain Capital Life Sciences Investors, LLC | 5,249,069 | $26.9M | 3.17% | −3,200,679−37.9% | Reduced |
| Bellevue Group AG | 5,157,290 | $26.5M | 0.51% | 00.0% | Unchanged |
| State Street Corp | 4,510,714 | $23.1M | 0.00% | +668,835+17.4% | Added |
| Nuveen Asset Management, LLC | 2,720,485 | $14.0M | 0.00% | +164,915+6.5% | Added |
| Woodline Partners LP | 2,690,787 | $13.8M | 0.09% | −739,373−21.6% | Reduced |
| Logos Global Management LP | 2,550,000 | $13.1M | 1.53% | −50,000−1.9% | Reduced |
| Candriam Luxembourg S.C.A. | 2,534,230 | $13.0M | 0.07% | +341,431+15.6% | Added |
| Sio Capital Management, LLC | 2,367,007 | $12.1M | 3.42% | +933,852+65.2% | Added |
| Geode Capital Management, LLC | 2,171,478 | $11.1M | 0.00% | +27,843+1.3% | Added |
| JPMorgan Chase & Co | 1,511,517 | $7.75M | 0.00% | −194,665−11.4% | Reduced |
| Polygon Management Ltd. | 1,400,000 | $7.18M | 2.32% | +615,645+78.5% | Added |
| Dimensional Fund Advisors LP | 1,360,076 | $6.98M | 0.00% | +231,034+20.5% | Added |
| Goldman Sachs Group Inc | 1,317,011 | $6.76M | 0.00% | −587,367−30.8% | Reduced |
| Sphera Funds Management Ltd. | 1,243,039 | $6.38M | 1.18% | +1,243,039 | New |
| Price T Rowe Associates Inc | 1,104,385 | $5.67M | 0.00% | +69,733+6.7% | Added |
| Kennedy Capital Management, Inc. | 1,091,834 | $5.60M | 0.12% | −359,061−24.7% | Reduced |
| Northern Trust Corp | 1,029,750 | $5.28M | 0.00% | +239,685+30.3% | Added |
| Mutual of America Capital Management LLC | 1,029,680 | $5.28M | 0.06% | +370,426+56.2% | Added |
| Eventide Asset Management, LLC | 1,017,928 | $5.22M | 0.10% | +1,017,928 | New |
| Massachusetts Financial Services Co | 1,016,566 | $5.21M | 0.00% | −144,320−12.4% | Reduced |
| Ameriprise Financial Inc | 926,642 | $4.75M | 0.00% | +767,869+483.6% | Added |
| Readystate Asset Management LP | 774,860 | $3.98M | 0.17% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 743,795 | $3.82M | 0.00% | +11,579+1.6% | Added |
| Walleye Capital LLC | 656,332 | $3.37M | 0.03% | +327,634+99.7% | Added |
| Morgan Stanley | 644,677 | $3.31M | 0.00% | −590,808−47.8% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 583,913 | $3.00M | 0.06% | 00.0% | Unchanged |
| Rhenman & Partners Asset Management AB | 542,500 | $2.78M | 0.29% | −17,500−3.1% | Reduced |
| Deutsche Bank AG | 536,503 | $2.75M | 0.00% | +28,448+5.6% | Added |
| Renaissance Technologies LLC | 493,700 | $2.53M | 0.00% | +92,300+23.0% | Added |
| Board of Trustees of The Leland Stanford Junior University | 482,550 | $2.48M | 0.21% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 461,372 | $2.37M | 0.00% | +31,813+7.4% | Added |
| Hennion & Walsh Asset Management, Inc. | 429,584 | $2.20M | 0.10% | +170,180+65.6% | Added |
| Parkman Healthcare Partners LLC | 330,849 | $1.70M | 0.23% | +2,236+0.7% | Added |
| UBS Group AG | 328,721 | $1.69M | 0.00% | +109,594+50.0% | Added |
| UBS Oconnor LLC | 318,884 | $1.64M | 0.04% | −1,690−0.5% | Reduced |
| Wellington Management Group LLP | 268,166 | $1.38M | 0.00% | +4,806+1.8% | Added |
| Wells Fargo & Company | 235,755 | $1.21M | 0.00% | +17,541+8.0% | Added |
| Bank of New York Mellon Corp | 230,546 | $1.18M | 0.00% | +6,226+2.8% | Added |
| Rafferty Asset Management, LLC | 218,369 | $1.12M | 0.00% | +41,544+23.5% | Added |
| Barclays PLC | 206,991 | $1.06M | 0.00% | +29,226+16.4% | Added |
| American Century Companies Inc | 178,511 | $915.8K | 0.00% | +34,297+23.8% | Added |
| Artia Global Partners LP | 172,226 | $883.5K | 0.36% | 00.0% | Unchanged |
| Prudential Financial Inc | 171,680 | $880.7K | 0.00% | +10,400+6.4% | Added |
| Citigroup Inc | 168,787 | $865.9K | 0.00% | +98,781+141.1% | Added |
| Manufacturers Life Insurance Company, The | 159,019 | $815.8K | 0.00% | −567−0.4% | Reduced |
| J. Safra Sarasin Holding AG | 155,744 | $799.0K | 0.01% | +155,744 | New |
| Millennium Management LLC | 155,676 | $798.6K | 0.00% | +83,021+114.3% | Added |
| Point72 Europe (London) LLP | 155,573 | $798.1K | 0.05% | −4,380−2.7% | Reduced |
| Acadian Asset Management LLC | 155,645 | $798.0K | 0.00% | −789,351−83.5% | Reduced |
| Exome Asset Management LLC | 144,830 | $743.0K | 0.56% | +144,830 | New |
| Rhumbline Advisers | 141,852 | $727.7K | 0.00% | +5,854+4.3% | Added |
| Two Sigma Investments, LP | 137,183 | $703.7K | 0.00% | −3,734−2.6% | Reduced |
| Cinctive Capital Management LP | 135,466 | $694.9K | 0.04% | −51,362−27.5% | Reduced |
| Swiss National Bank | 135,000 | $692.5K | 0.00% | +135,000 | New |
| TD Asset Management Inc | 133,648 | $685.6K | 0.00% | 00.0% | Unchanged |
| Susquehanna Fundamental Investments, LLC | 119,725 | $614.2K | 0.01% | +119,725 | New |
| Park Avenue Securities LLC | 118,068 | $606.0K | 0.01% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 111,300 | $571.0K | 0.00% | −16,060−12.6% | Reduced |
| Driehaus Capital Management LLC | 258,314 | $547.4K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 92,371 | $473.9K | 0.00% | +25,507+38.1% | Added |
| Alps Advisors Inc | 86,194 | $442.2K | 0.00% | +11,850+15.9% | Added |
| Legal & General Group Plc | 85,535 | $438.8K | 0.00% | +71,665+516.7% | Added |
| ExodusPoint Capital Management, LP | 83,437 | $428.0K | 0.00% | +83,437 | New |
| Advisor Group Holdings, Inc. | 80,475 | $412.8K | 0.00% | +17,850+28.5% | Added |
| State of Wisconsin Investment Board | 69,248 | $355.2K | 0.00% | +43,293+166.8% | Added |
| California State Teachers Retirement System | 66,375 | $340.5K | 0.00% | +59,381+849.0% | Added |
| MetLife Investment Management | 64,967 | $333.3K | 0.00% | +9,755+17.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 63,402 | $325.3K | 0.00% | +4,092+6.9% | Added |
| Susquehanna International Group, LLP | 62,841 | $322.4K | 0.00% | +31,677+101.6% | Added |
| Quarry LP | 58,000 | $297.5K | 0.06% | +38,000+190.0% | Added |
| Squarepoint Ops LLC | 57,153 | $293.2K | 0.00% | −49,438−46.4% | Reduced |
| Franklin Resources Inc | 49,324 | $253.0K | 0.00% | −82−0.2% | Reduced |
| UBS Asset Management Americas Inc | 49,062 | $251.7K | 0.00% | +49,062 | New |
| Corebridge Financial, Inc. | 48,547 | $249.0K | 0.00% | −2,591−5.1% | Reduced |
| DnB Asset Management AS | 47,665 | $244.5K | 0.00% | +861+1.8% | Added |
| Schonfeld Strategic Advisors LLC | 47,300 | $242.6K | 0.00% | −589,091−92.6% | Reduced |
| Intech Investment Management LLC | 45,726 | $234.6K | 0.00% | +19,713+75.8% | Added |
| Prelude Capital Management, LLC | 43,363 | $222.5K | 0.02% | +43,363 | New |
| Profund Advisors LLC | 42,273 | $216.9K | 0.01% | +6,826+19.3% | Added |
| Marshall Wace, LLP | 38,845 | $199.3K | 0.00% | −253,529−86.7% | Reduced |
| XTX Topco Ltd | 35,151 | $180.3K | 0.02% | +35,151 | New |
| Janus Henderson Group PLC | 34,500 | $177.2K | 0.00% | +34,500 | New |
| New York State Common Retirement Fund | 34,479 | $176.9K | 0.00% | +20,311+143.4% | Added |
| AQR Capital Management LLC | 33,153 | $170.1K | 0.00% | −31,638−48.8% | Reduced |
| ProShare Advisors LLC | 32,548 | $167.0K | 0.00% | +14,475+80.1% | Added |
| Invesco Ltd. | 31,881 | $163.6K | 0.00% | +10,611+49.9% | Added |
| Shay Capital LLC | 31,000 | $159.0K | 0.04% | +31,000 | New |
| SG Americas Securities, LLC | 30,968 | $159.0K | 0.00% | −1,795−5.5% | Reduced |
| HSBC Holdings PLC | 30,799 | $156.5K | 0.00% | −7,026−18.6% | Reduced |
| Sherbrooke Park Advisers LLC | 30,134 | $154.6K | 0.05% | −12,897−30.0% | Reduced |
| Bank of America Corp | 29,940 | $153.6K | 0.00% | −137,220−82.1% | Reduced |
| Simplex Trading, LLC | 29,433 | $150.0K | 0.00% | +3,603+13.9% | Added |
| Voya Investment Management LLC | 28,589 | $146.7K | 0.00% | −1,441−4.8% | Reduced |