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, Q1 2025
Institutional positions in Annexon, Inc. as of Mar 31, 2025. 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
- 148
- −3 vs. Q4 2024
- Shares held
- 99.8M
- −2.29M (−2.2%) vs. Q4 2024
- Total value
- $192.1M
- −$330.5M (−63.2%) vs. Q4 2024
- New holders
- 25
- 55 more added
- Sold out
- 28
- 40 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 13,262,328 | $25.6M | 0.00% | −962,055−6.8% | Reduced |
| BlackRock, Inc. | 8,526,506 | $16.5M | 0.00% | +40,319+0.5% | Added |
| BVF Inc | 7,000,000 | $13.5M | 0.55% | 00.0% | Unchanged |
| Redmile Group, LLC | 6,300,644 | $12.2M | 1.15% | 00.0% | Unchanged |
| Vanguard Group Inc | 5,379,659 | $10.4M | 0.00% | −167,259−3.0% | Reduced |
| Bain Capital Life Sciences Investors, LLC | 5,249,069 | $10.1M | 1.50% | 00.0% | Unchanged |
| Bellevue Group AG | 5,157,290 | $9.95M | 0.22% | 00.0% | Unchanged |
| Logos Global Management LP | 4,000,000 | $7.72M | 1.37% | +1,450,000+56.9% | Added |
| Ameriprise Financial Inc | 3,985,295 | $7.69M | 0.00% | +3,058,653+330.1% | Added |
| Sio Capital Management, LLC | 3,397,786 | $6.56M | 1.99% | +1,030,779+43.5% | Added |
| Polygon Management Ltd. | 2,650,000 | $5.11M | 1.64% | +1,250,000+89.3% | Added |
| Candriam Luxembourg S.C.A. | 2,534,230 | $4.89M | 0.03% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 2,245,010 | $4.33M | 0.00% | +73,532+3.4% | Added |
| Woodline Partners LP | 2,114,696 | $4.08M | 0.03% | −576,091−21.4% | Reduced |
| State Street Corp | 2,039,826 | $3.94M | 0.00% | −2,470,888−54.8% | Reduced |
| Sphera Funds Management Ltd. | 1,764,387 | $3.41M | 0.84% | +521,348+41.9% | Added |
| JPMorgan Chase & Co | 1,431,965 | $2.76M | 0.00% | −79,552−5.3% | Reduced |
| Renaissance Technologies LLC | 1,162,437 | $2.24M | 0.00% | +668,737+135.5% | Added |
| Bank of America Corp | 1,038,724 | $2.00M | 0.00% | +1,008,784+3,369.4% | Added |
| Mutual of America Capital Management LLC | 1,030,683 | $1.99M | 0.02% | +1,003+0.1% | Added |
| Northern Trust Corp | 1,025,925 | $1.98M | 0.00% | −3,825−0.4% | Reduced |
| Massachusetts Financial Services Co | 1,020,417 | $1.97M | 0.00% | +3,851+0.4% | Added |
| Dimensional Fund Advisors LP | 986,879 | $1.91M | 0.00% | −373,197−27.4% | Reduced |
| Kennedy Capital Management, Inc. | 874,726 | $1.69M | 0.04% | −217,108−19.9% | Reduced |
| Goldman Sachs Group Inc | 841,582 | $1.62M | 0.00% | −475,429−36.1% | Reduced |
| Walleye Capital LLC | 802,913 | $1.55M | 0.02% | +146,581+22.3% | Added |
| Sirios Capital Management L P | 768,686 | $1.48M | 0.26% | +768,686 | New |
| Qube Research & Technologies Ltd | 737,268 | $1.42M | 0.00% | +275,896+59.8% | Added |
| Charles Schwab Investment Management Inc | 725,752 | $1.40M | 0.00% | −18,043−2.4% | Reduced |
| Morgan Stanley | 701,356 | $1.35M | 0.00% | +56,679+8.8% | Added |
| Deerfield Management Company, L.P. (Series C) | 583,913 | $1.13M | 0.02% | 00.0% | Unchanged |
| Deutsche Bank AG | 537,294 | $1.04M | 0.00% | +791+0.1% | Added |
| Price T Rowe Associates Inc | 524,741 | $1.01M | 0.00% | −579,644−52.5% | Reduced |
| Board of Trustees of The Leland Stanford Junior University | 482,550 | $931.3K | 0.08% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 477,567 | $921.7K | 0.04% | +47,983+11.2% | Added |
| UBS Oconnor LLC | 466,819 | $901.0K | 0.02% | +147,935+46.4% | Added |
| Rhenman & Partners Asset Management AB | 460,000 | $887.8K | 0.10% | −82,500−15.2% | Reduced |
| Wellington Management Group LLP | 356,480 | $688.0K | 0.00% | +88,314+32.9% | Added |
| Parkman Healthcare Partners LLC | 351,436 | $678.3K | 0.08% | +20,587+6.2% | Added |
| Wells Fargo & Company | 347,892 | $671.4K | 0.00% | +112,137+47.6% | Added |
| Nuveen, LLC | 347,032 | $669.8K | 0.00% | +347,032 | New |
| Bank of New York Mellon Corp | 288,698 | $557.2K | 0.00% | +58,152+25.2% | Added |
| UBS Group AG | 267,348 | $516.0K | 0.00% | −61,373−18.7% | Reduced |
| J. Safra Sarasin Holding AG | 254,538 | $491.3K | 0.01% | +98,794+63.4% | Added |
| Acadian Asset Management LLC | 203,990 | $393.0K | 0.00% | +48,345+31.1% | Added |
| Susquehanna International Group, LLP | 199,225 | $384.5K | 0.00% | +136,384+217.0% | Added |
| American Century Companies Inc | 198,194 | $382.5K | 0.00% | +19,683+11.0% | Added |
| ExodusPoint Capital Management, LP | 183,287 | $354.0K | 0.00% | +99,850+119.7% | Added |
| Millennium Management LLC | 175,303 | $338.3K | 0.00% | +19,627+12.6% | Added |
| Barclays PLC | 165,132 | $318.7K | 0.00% | −41,859−20.2% | Reduced |
| Syon Capital LLC | 144,485 | $278.9K | 0.02% | +144,485 | New |
| Rhumbline Advisers | 136,400 | $263.2K | 0.00% | −5,452−3.8% | Reduced |
| Cinctive Capital Management LP | 135,466 | $261.4K | 0.02% | 00.0% | Unchanged |
| Swiss National Bank | 135,000 | $260.6K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 134,562 | $259.7K | 0.00% | −24,457−15.4% | Reduced |
| Squarepoint Ops LLC | 132,997 | $256.7K | 0.00% | +75,844+132.7% | Added |
| Alliancebernstein L.P. | 111,300 | $214.8K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 111,201 | $214.6K | 0.00% | +63,901+135.1% | Added |
| Jane Street Group, LLC | 99,924 | $192.9K | 0.00% | +7,553+8.2% | Added |
| Balyasny Asset Management LLC | 96,752 | $186.7K | 0.00% | +96,752 | New |
| Invesco Ltd. | 91,409 | $176.4K | 0.00% | +59,528+186.7% | Added |
| Legal & General Group Plc | 85,535 | $165.1K | 0.00% | 00.0% | Unchanged |
| Park Avenue Securities LLC | 83,068 | $160.0K | 0.00% | −35,000−29.6% | Reduced |
| Alps Advisors Inc | 82,626 | $159.5K | 0.00% | −3,568−4.1% | Reduced |
| State of Wisconsin Investment Board | 81,636 | $157.6K | 0.00% | +12,388+17.9% | Added |
| Ieq Capital, LLC | 80,000 | $154.4K | 0.00% | +80,000 | New |
| UBS Asset Management Americas Inc | 78,857 | $152.2K | 0.00% | +29,795+60.7% | Added |
| HRT Financial LP | 78,100 | $150.0K | 0.00% | +78,100 | New |
| Citigroup Inc | 74,664 | $144.1K | 0.00% | −94,123−55.8% | Reduced |
| DnB Asset Management AS | 74,379 | $143.6K | 0.00% | +26,714+56.0% | Added |
| AQR Capital Management LLC | 73,790 | $142.4K | 0.00% | +40,637+122.6% | Added |
| Intech Investment Management LLC | 67,265 | $129.8K | 0.00% | +21,539+47.1% | Added |
| California State Teachers Retirement System | 66,375 | $128.1K | 0.00% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 65,918 | $127.2K | 0.01% | +65,918 | New |
| SG Americas Securities, LLC | 63,161 | $122.0K | 0.00% | +32,193+104.0% | Added |
| Brevan Howard Capital Management LP | 62,074 | $119.8K | 0.00% | +62,074 | New |
| Jain Global LLC | 61,276 | $118.3K | 0.00% | +61,276 | New |
| XTX Topco Ltd | 58,130 | $112.2K | 0.01% | +22,979+65.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 57,263 | $110.5K | 0.00% | −6,139−9.7% | Reduced |
| Prudential Financial Inc | 57,120 | $110.2K | 0.00% | −114,560−66.7% | Reduced |
| Driehaus Capital Management LLC | 258,314 | $104.3K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 53,271 | $102.8K | 0.05% | +53,271 | New |
| Franklin Resources Inc | 49,123 | $94.8K | 0.00% | −201−0.4% | Reduced |
| Corebridge Financial, Inc. | 47,838 | $92.3K | 0.00% | −709−1.5% | Reduced |
| TD Asset Management Inc | 46,848 | $90.4K | 0.00% | −86,800−64.9% | Reduced |
| Point72 Asset Management, L.P. | 45,714 | $88.2K | 0.00% | −5,581,082−99.2% | Reduced |
| Point72 Europe (London) LLP | 43,722 | $84.4K | 0.01% | −111,851−71.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 41,011 | $79.2K | 0.00% | −78,714−65.7% | Reduced |
| Janus Henderson Group PLC | 34,500 | $77.8K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 36,935 | $72.9K | 0.00% | +6,136+19.9% | Added |
| MetLife Investment Management | 37,411 | $72.2K | 0.00% | −27,556−42.4% | Reduced |
| Virtus Investment Advisers, Inc. | 36,399 | $70.3K | 0.02% | +36,399 | New |
| Shay Capital LLC | 35,162 | $67.9K | 0.02% | +4,162+13.4% | Added |
| New York State Common Retirement Fund | 34,479 | $66.5K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 34,026 | $65.7K | 0.00% | +21,143+164.1% | Added |
| Forefront Analytics, LLC | 28,591 | $55.3K | 0.06% | +12,158+74.0% | Added |
| Voya Investment Management LLC | 27,455 | $53.0K | 0.00% | −1,134−4.0% | Reduced |
| Tower Research Capital LLC (TRC) | 26,104 | $50.4K | 0.00% | +1,212+4.9% | Added |
| ProShare Advisors LLC | 25,948 | $50.1K | 0.00% | −6,600−20.3% | Reduced |
| Comerica Bank | 25,607 | $49.4K | 0.00% | +2,424+10.5% | Added |