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 |
|---|---|---|---|---|---|
| J. Safra Sarasin Holding AG | 155,744 | $799.0K | 0.01% | +155,744 | New |
| Manufacturers Life Insurance Company, The | 159,019 | $815.8K | 0.00% | −567−0.4% | Reduced |
| Citigroup Inc | 168,787 | $865.9K | 0.00% | +98,781+141.1% | Added |
| Prudential Financial Inc | 171,680 | $880.7K | 0.00% | +10,400+6.4% | Added |
| Artia Global Partners LP | 172,226 | $883.5K | 0.36% | 00.0% | Unchanged |
| American Century Companies Inc | 178,511 | $915.8K | 0.00% | +34,297+23.8% | Added |
| Barclays PLC | 206,991 | $1.06M | 0.00% | +29,226+16.4% | Added |
| Rafferty Asset Management, LLC | 218,369 | $1.12M | 0.00% | +41,544+23.5% | Added |
| Bank of New York Mellon Corp | 230,546 | $1.18M | 0.00% | +6,226+2.8% | Added |
| Wells Fargo & Company | 235,755 | $1.21M | 0.00% | +17,541+8.0% | Added |
| Wellington Management Group LLP | 268,166 | $1.38M | 0.00% | +4,806+1.8% | Added |
| UBS Oconnor LLC | 318,884 | $1.64M | 0.04% | −1,690−0.5% | Reduced |
| UBS Group AG | 328,721 | $1.69M | 0.00% | +109,594+50.0% | Added |
| Parkman Healthcare Partners LLC | 330,849 | $1.70M | 0.23% | +2,236+0.7% | Added |
| Hennion & Walsh Asset Management, Inc. | 429,584 | $2.20M | 0.10% | +170,180+65.6% | Added |
| Qube Research & Technologies Ltd | 461,372 | $2.37M | 0.00% | +31,813+7.4% | Added |
| Board of Trustees of The Leland Stanford Junior University | 482,550 | $2.48M | 0.21% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 493,700 | $2.53M | 0.00% | +92,300+23.0% | Added |
| Deutsche Bank AG | 536,503 | $2.75M | 0.00% | +28,448+5.6% | Added |
| Rhenman & Partners Asset Management AB | 542,500 | $2.78M | 0.29% | −17,500−3.1% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 583,913 | $3.00M | 0.06% | 00.0% | Unchanged |
| Morgan Stanley | 644,677 | $3.31M | 0.00% | −590,808−47.8% | Reduced |
| Walleye Capital LLC | 656,332 | $3.37M | 0.03% | +327,634+99.7% | Added |
| Charles Schwab Investment Management Inc | 743,795 | $3.82M | 0.00% | +11,579+1.6% | Added |
| Readystate Asset Management LP | 774,860 | $3.98M | 0.17% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 926,642 | $4.75M | 0.00% | +767,869+483.6% | Added |
| Massachusetts Financial Services Co | 1,016,566 | $5.21M | 0.00% | −144,320−12.4% | Reduced |
| Eventide Asset Management, LLC | 1,017,928 | $5.22M | 0.10% | +1,017,928 | New |
| Mutual of America Capital Management LLC | 1,029,680 | $5.28M | 0.06% | +370,426+56.2% | Added |
| Northern Trust Corp | 1,029,750 | $5.28M | 0.00% | +239,685+30.3% | Added |
| Kennedy Capital Management, Inc. | 1,091,834 | $5.60M | 0.12% | −359,061−24.7% | Reduced |
| Price T Rowe Associates Inc | 1,104,385 | $5.67M | 0.00% | +69,733+6.7% | Added |
| Sphera Funds Management Ltd. | 1,243,039 | $6.38M | 1.18% | +1,243,039 | New |
| Goldman Sachs Group Inc | 1,317,011 | $6.76M | 0.00% | −587,367−30.8% | Reduced |
| Dimensional Fund Advisors LP | 1,360,076 | $6.98M | 0.00% | +231,034+20.5% | Added |
| Polygon Management Ltd. | 1,400,000 | $7.18M | 2.32% | +615,645+78.5% | Added |
| JPMorgan Chase & Co | 1,511,517 | $7.75M | 0.00% | −194,665−11.4% | Reduced |
| Geode Capital Management, LLC | 2,171,478 | $11.1M | 0.00% | +27,843+1.3% | Added |
| Sio Capital Management, LLC | 2,367,007 | $12.1M | 3.42% | +933,852+65.2% | Added |
| Candriam Luxembourg S.C.A. | 2,534,230 | $13.0M | 0.07% | +341,431+15.6% | Added |
| Logos Global Management LP | 2,550,000 | $13.1M | 1.53% | −50,000−1.9% | Reduced |
| Woodline Partners LP | 2,690,787 | $13.8M | 0.09% | −739,373−21.6% | Reduced |
| Nuveen Asset Management, LLC | 2,720,485 | $14.0M | 0.00% | +164,915+6.5% | Added |
| State Street Corp | 4,510,714 | $23.1M | 0.00% | +668,835+17.4% | Added |
| Bellevue Group AG | 5,157,290 | $26.5M | 0.51% | 00.0% | Unchanged |
| Bain Capital Life Sciences Investors, LLC | 5,249,069 | $26.9M | 3.17% | −3,200,679−37.9% | Reduced |
| Vanguard Group Inc | 5,546,918 | $28.5M | 0.00% | +576,625+11.6% | Added |
| Point72 Asset Management, L.P. | 5,626,796 | $28.9M | 0.08% | +299,798+5.6% | Added |
| Redmile Group, LLC | 6,300,644 | $32.3M | 2.25% | −126,818−2.0% | Reduced |
| BVF Inc | 7,000,000 | $35.9M | 1.22% | 00.0% | Unchanged |
| Satter Management Co., L.P. | 7,406,024 | $38.0M | 66.89% | 00.0% | Unchanged |
| BlackRock, Inc. | 8,486,187 | $43.5M | 0.00% | +838,473+11.0% | Added |
| FMR LLC | 14,224,383 | $73.0M | 0.00% | +5,662,434+66.1% | Added |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −2,840,145−100.0% | Sold out |
| GMT Capital Corp | 0 | $0 | 0.00% | −1,908,366−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −450,000−100.0% | Sold out |
| Octagon Capital Advisors LP | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −151,463−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −81,411−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −34,581−100.0% | Sold out |
| Cornercap Investment Counsel Inc | 0 | $0 | 0.00% | −22,604−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −22,099−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −19,165−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −14,504−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −10,048−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −1,438−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −218−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −83−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Ghost Tree Capital, LLC | – | – | – | – | Not filed |