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, Q2 2025
Institutional positions in Annexon, Inc. as of Jun 30, 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
- 129
- −19 vs. Q1 2025
- Shares held
- 99.7M
- −42.6K (0.0%) vs. Q1 2025
- Total value
- $238.7M
- +$46.6M (+24.2%) vs. Q1 2025
- New holders
- 18
- 51 more added
- Sold out
- 37
- 34 more reduced
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 15,695,226 | $37.7M | 0.00% | +2,432,898+18.3% | Added |
| BlackRock, Inc. | 7,962,368 | $19.1M | 0.00% | −564,138−6.6% | Reduced |
| BVF Inc | 7,000,000 | $16.8M | 0.60% | 00.0% | Unchanged |
| Redmile Group, LLC | 6,300,644 | $15.1M | 1.61% | 00.0% | Unchanged |
| Vanguard Group Inc | 5,366,039 | $12.9M | 0.00% | −13,620−0.3% | Reduced |
| Bain Capital Life Sciences Investors, LLC | 5,249,069 | $12.6M | 1.58% | 00.0% | Unchanged |
| Bellevue Group AG | 5,157,290 | $12.4M | 0.27% | 00.0% | Unchanged |
| Sio Capital Management, LLC | 4,095,764 | $9.83M | 3.94% | +697,978+20.5% | Added |
| Polygon Management Ltd. | 2,810,000 | $6.74M | 1.22% | +160,000+6.0% | Added |
| Candriam Luxembourg S.C.A. | 2,534,230 | $6.08M | 0.04% | 00.0% | Unchanged |
| Millennium Management LLC | 2,514,134 | $6.03M | 0.01% | +2,338,831+1,334.2% | Added |
| Logos Global Management LP | 2,410,000 | $5.78M | 0.77% | −1,590,000−39.8% | Reduced |
| Geode Capital Management, LLC | 2,284,773 | $5.48M | 0.00% | +39,763+1.8% | Added |
| Ameriprise Financial Inc | 2,166,178 | $5.20M | 0.00% | −1,819,117−45.6% | Reduced |
| State Street Corp | 1,980,984 | $4.75M | 0.00% | −58,842−2.9% | Reduced |
| Sphera Funds Management Ltd. | 1,764,387 | $4.23M | 1.11% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 1,630,649 | $3.91M | 0.00% | +789,067+93.8% | Added |
| Bank of America Corp | 1,452,795 | $3.49M | 0.00% | +414,071+39.9% | Added |
| Mutual of America Capital Management LLC | 1,078,961 | $2.59M | 0.03% | +48,278+4.7% | Added |
| Woodline Partners LP | 1,053,709 | $2.53M | 0.01% | −1,060,987−50.2% | Reduced |
| Sirios Capital Management L P | 989,577 | $2.37M | 0.34% | +220,891+28.7% | Added |
| Massachusetts Financial Services Co | 987,513 | $2.37M | 0.00% | −32,904−3.2% | Reduced |
| Dimensional Fund Advisors LP | 889,863 | $2.14M | 0.00% | −97,016−9.8% | Reduced |
| Kennedy Capital Management, Inc. | 855,573 | $2.05M | 0.05% | −19,153−2.2% | Reduced |
| Morgan Stanley | 832,540 | $2.00M | 0.00% | +131,184+18.7% | Added |
| Walleye Capital LLC | 794,639 | $1.91M | 0.02% | −8,274−1.0% | Reduced |
| Renaissance Technologies LLC | 777,900 | $1.87M | 0.00% | −384,537−33.1% | Reduced |
| Northern Trust Corp | 743,224 | $1.78M | 0.00% | −282,701−27.6% | Reduced |
| Charles Schwab Investment Management Inc | 728,389 | $1.75M | 0.00% | +2,637+0.4% | Added |
| Deerfield Management Company, L.P. (Series C) | 583,913 | $1.40M | 0.03% | 00.0% | Unchanged |
| Deutsche Bank AG | 511,448 | $1.23M | 0.00% | −25,846−4.8% | Reduced |
| Price T Rowe Associates Inc | 508,103 | $1.22M | 0.00% | −16,638−3.2% | Reduced |
| UBS Oconnor LLC | 492,698 | $1.18M | 0.03% | +25,879+5.5% | Added |
| Hennion & Walsh Asset Management, Inc. | 484,633 | $1.16M | 0.05% | +7,066+1.5% | Added |
| Board of Trustees of The Leland Stanford Junior University | 482,550 | $1.16M | 0.13% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 469,209 | $1.13M | 0.00% | +265,219+130.0% | Added |
| Rhenman & Partners Asset Management AB | 460,000 | $1.10M | 0.14% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 424,720 | $1.02M | 0.00% | −312,548−42.4% | Reduced |
| Parkman Healthcare Partners LLC | 404,194 | $970.1K | 0.11% | +52,758+15.0% | Added |
| J. Safra Sarasin Holding AG | 381,441 | $915.5K | 0.02% | +126,903+49.9% | Added |
| Wells Fargo & Company | 376,974 | $904.7K | 0.00% | +29,082+8.4% | Added |
| AQR Capital Management LLC | 332,031 | $796.9K | 0.00% | +258,241+350.0% | Added |
| UBS Group AG | 325,122 | $780.3K | 0.00% | +57,774+21.6% | Added |
| Bank of New York Mellon Corp | 301,048 | $722.5K | 0.00% | +12,350+4.3% | Added |
| Susquehanna International Group, LLP | 266,812 | $640.3K | 0.00% | +67,587+33.9% | Added |
| Schonfeld Strategic Advisors LLC | 266,050 | $638.5K | 0.00% | +154,849+139.3% | Added |
| Nuveen, LLC | 255,918 | $614.2K | 0.00% | −91,114−26.3% | Reduced |
| Royal Bank of Canada | 245,199 | $588.0K | 0.00% | +238,365+3,487.9% | Added |
| American Century Companies Inc | 211,195 | $506.9K | 0.00% | +13,001+6.6% | Added |
| Susquehanna Portfolio Strategies, LLC | 207,715 | $498.5K | 0.01% | +207,715 | New |
| Point72 Europe (London) LLP | 206,798 | $496.3K | 0.03% | +163,076+373.0% | Added |
| Two Sigma Investments, LP | 201,160 | $482.8K | 0.00% | +201,160 | New |
| Barclays PLC | 177,628 | $426.3K | 0.00% | +12,496+7.6% | Added |
| Invesco Ltd. | 150,414 | $361.0K | 0.00% | +59,005+64.6% | Added |
| Jane Street Group, LLC | 145,869 | $350.1K | 0.00% | +45,945+46.0% | Added |
| Alliancebernstein L.P. | 140,740 | $337.8K | 0.00% | +29,440+26.5% | Added |
| Rhumbline Advisers | 137,536 | $330.1K | 0.00% | +1,136+0.8% | Added |
| Ieq Capital, LLC | 135,797 | $325.9K | 0.00% | +55,797+69.7% | Added |
| Cinctive Capital Management LP | 135,466 | $325.1K | 0.02% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 134,035 | $321.7K | 0.00% | −527−0.4% | Reduced |
| Park Avenue Securities LLC | 113,068 | $271.0K | 0.00% | +30,000+36.1% | Added |
| DnB Asset Management AS | 99,574 | $239.0K | 0.00% | +25,195+33.9% | Added |
| Bridgeway Capital Management, LLC | 97,800 | $234.7K | 0.01% | +97,800 | New |
| UBS Asset Management Americas Inc | 93,500 | $224.4K | 0.00% | +14,643+18.6% | Added |
| Advisor Group Holdings, Inc. | 80,375 | $192.9K | 0.00% | +80,375 | New |
| Natixis | 77,100 | $185.0K | 0.00% | +77,100 | New |
| ExodusPoint Capital Management, LP | 61,691 | $148.0K | 0.00% | −121,596−66.3% | Reduced |
| Alps Advisors Inc | 59,201 | $142.1K | 0.00% | −23,425−28.4% | Reduced |
| MetLife Investment Management | 59,022 | $141.7K | 0.00% | +21,611+57.8% | Added |
| Brevan Howard Capital Management LP | 53,283 | $127.9K | 0.00% | −8,791−14.2% | Reduced |
| JPMorgan Chase & Co | 52,819 | $126.8K | 0.00% | −1,379,146−96.3% | Reduced |
| Intech Investment Management LLC | 52,699 | $126.5K | 0.00% | −14,566−21.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 52,405 | $125.8K | 0.00% | −4,858−8.5% | Reduced |
| TD Asset Management Inc | 46,848 | $112.4K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 43,133 | $103.5K | 0.02% | +22,133+105.4% | Added |
| Allegheny Financial Group LTD | 42,900 | $103.0K | 0.02% | +17,700+70.2% | Added |
| Citigroup Inc | 37,796 | $90.7K | 0.00% | −36,868−49.4% | Reduced |
| Lido Advisors, LLC | 35,000 | $84.0K | 0.00% | +15,000+75.0% | Added |
| Citizens Financial Group Inc | 35,000 | $84.0K | 0.00% | +35,000 | New |
| Virtus Investment Advisers, Inc. | 34,698 | $83.3K | 0.03% | −1,701−4.7% | Reduced |
| New York State Common Retirement Fund | 34,479 | $82.8K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 30,597 | $73.0K | 0.00% | +30,597 | New |
| HSBC Holdings PLC | 29,855 | $72.3K | 0.00% | −7,080−19.2% | Reduced |
| Marshall Wace, LLP | 29,989 | $72.0K | 0.00% | +29,989 | New |
| Forefront Analytics, LLC | 27,575 | $66.2K | 0.07% | −1,016−3.6% | Reduced |
| Voya Investment Management LLC | 27,455 | $65.9K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 25,607 | $61.5K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 23,732 | $57.0K | 0.00% | −2,216−8.5% | Reduced |
| China Universal Asset Management Co., Ltd. | 22,036 | $52.9K | 0.00% | +655+3.1% | Added |
| Police & Firemen's Retirement System of New Jersey | 20,587 | $49.4K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 20,515 | $49.1K | 0.00% | +2,783+15.7% | Added |
| Driehaus Capital Management LLC | 258,314 | $48.6K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 20,196 | $48.5K | 0.00% | +20,196 | New |
| CWM, LLC | 17,734 | $43.0K | 0.00% | +12,066+212.9% | Added |
| Coastal Bridge Advisors, LLC | 17,000 | $40.8K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 15,607 | $37.5K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 15,558 | $37.3K | 0.00% | −10,546−40.4% | Reduced |
| Engineers Gate Manager LP | 13,401 | $32.2K | 0.00% | +13,401 | New |
| Citadel Advisors LLC | 13,267 | $31.8K | 0.00% | +812+6.5% | Added |
| JustInvest LLC | 12,284 | $29.5K | 0.00% | +12,284 | New |