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 2023
Institutional positions in Annexon, Inc. as of Dec 31, 2023. 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
- 99
- +7 vs. Q3 2023
- Shares held
- 80.8M
- +27.2M (+50.8%) vs. Q3 2023
- Total value
- $365.7M
- +$239.7M (+190.2%) vs. Q3 2023
- New holders
- 20
- 37 more added
- Sold out
- 13
- 27 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 9,685,401 | $44.0M | 0.00% | +9,593,619+10,452.6% | Added |
| Bain Capital Life Sciences Investors, LLC | 8,061,719 | $36.6M | 3.51% | +2,359,793+41.4% | Added |
| Satter Management Co., L.P. | 7,406,024 | $33.6M | 44.74% | +350,000+5.0% | Added |
| BVF Inc | 7,000,000 | $31.8M | 0.80% | +7,000,000 | New |
| Redmile Group, LLC | 5,503,190 | $25.0M | 0.89% | +2,000,000+57.1% | Added |
| Adage Capital Partners GP, L.L.C. | 4,999,975 | $22.7M | 0.05% | +2,650,000+112.8% | Added |
| Logos Global Management LP | 4,950,000 | $22.5M | 2.50% | −350,000−6.6% | Reduced |
| BlackRock Inc. | 3,318,579 | $15.1M | 0.00% | −89,410−2.6% | Reduced |
| GMT Capital Corp | 3,020,474 | $13.7M | 0.52% | +210,003+7.5% | Added |
| Ikarian Capital, LLC | 2,650,000 | $12.0M | 3.29% | +2,650,000 | New |
| Octagon Capital Advisors LP | 2,050,000 | $9.31M | 1.49% | 00.0% | Unchanged |
| Woodline Partners LP | 2,000,000 | $9.08M | 0.10% | +535,635+36.6% | Added |
| Vanguard Group Inc | 1,908,326 | $8.66M | 0.00% | +13,917+0.7% | Added |
| Pictet Asset Management Holding SA | 1,803,149 | $8.19M | 0.01% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 1,075,730 | $4.88M | 0.11% | +98,743+10.1% | Added |
| Citadel Advisors LLC | 1,057,687 | $4.80M | 0.00% | +372,725+54.4% | Added |
| Geode Capital Management, LLC | 922,232 | $4.19M | 0.00% | +42,615+4.8% | Added |
| Acadian Asset Management LLC | 874,024 | $3.97M | 0.02% | +61,800+7.6% | Added |
| State Street Corp | 846,274 | $3.84M | 0.00% | +14,730+1.8% | Added |
| Millennium Management LLC | 811,019 | $3.68M | 0.00% | +588,740+264.9% | Added |
| Massachusetts Financial Services Co | 777,968 | $3.53M | 0.00% | +769+0.1% | Added |
| Boothbay Fund Management, LLC | 707,815 | $3.21M | 0.12% | +707,815 | New |
| UBS Oconnor LLC | 692,928 | $3.15M | 0.10% | +143,682+26.2% | Added |
| Sectoral Asset Management Inc | 650,911 | $2.96M | 1.27% | −247,874−27.6% | Reduced |
| Vontobel Holding Ltd. | 650,911 | $2.96M | 0.02% | −247,874−27.6% | Reduced |
| StemPoint Capital LP | 607,100 | $2.76M | 0.74% | +607,100 | New |
| Deerfield Management Company, L.P. (Series C) | 583,913 | $2.65M | 0.05% | 00.0% | Unchanged |
| Soleus Capital Management, L.P. | 515,400 | $2.34M | 0.26% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 484,200 | $2.20M | 0.00% | −77,110−13.7% | Reduced |
| Board of Trustees of The Leland Stanford Junior University | 482,550 | $2.19M | 0.14% | −11,619−2.4% | Reduced |
| Silverarc Capital Management, LLC | 417,429 | $1.90M | 0.58% | +17,713+4.4% | Added |
| Walleye Capital LLC | 378,279 | $1.72M | 0.02% | +378,279 | New |
| Northern Trust Corp | 367,275 | $1.67M | 0.00% | +6,038+1.7% | Added |
| ExodusPoint Capital Management, LP | 342,939 | $1.56M | 0.02% | +33,229+10.7% | Added |
| Goldman Sachs Group Inc | 284,933 | $1.29M | 0.00% | +39,275+16.0% | Added |
| Nuveen Asset Management, LLC | 194,598 | $883.5K | 0.00% | +6,462+3.4% | Added |
| Morgan Stanley | 192,060 | $872.0K | 0.00% | +42,968+28.8% | Added |
| Barclays PLC | 185,331 | $841.4K | 0.00% | +149,600+418.7% | Added |
| Bridgeway Capital Management, LLC | 179,500 | $814.9K | 0.02% | +14,400+8.7% | Added |
| Deutsche Bank AG | 157,002 | $712.8K | 0.00% | +157,002 | New |
| Susquehanna Portfolio Strategies, LLC | 141,562 | $642.7K | 0.01% | +141,562 | New |
| Bank of New York Mellon Corp | 134,277 | $609.6K | 0.00% | −20,000−13.0% | Reduced |
| Charles Schwab Investment Management Inc | 123,668 | $561.5K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 88,091 | $399.9K | 0.00% | −33,299−27.4% | Reduced |
| Dimensional Fund Advisors LP | 87,047 | $395.3K | 0.00% | +28,525+48.7% | Added |
| Two Sigma Advisers, LP | 84,800 | $385.0K | 0.00% | −70,400−45.4% | Reduced |
| Prudential Financial Inc | 80,605 | $365.9K | 0.00% | −92,200−53.4% | Reduced |
| Lighthouse Investment Partners, LLC | 67,511 | $306.5K | 0.02% | +67,511 | New |
| Rhumbline Advisers | 59,320 | $269.3K | 0.00% | −390−0.7% | Reduced |
| Bank of America Corp | 51,324 | $233.0K | 0.00% | +5,442+11.9% | Added |
| UBS Group AG | 49,586 | $225.1K | 0.00% | +24,937+101.2% | Added |
| Virtu Financial LLC | 48,614 | $221.0K | 0.02% | +48,614 | New |
| Cornercap Investment Counsel Inc | 46,698 | $212.0K | 0.03% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 258,314 | $208.2K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 40,620 | $184.4K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 36,406 | $171.5K | 0.00% | +17,144+89.0% | Added |
| American Century Companies Inc | 33,864 | $153.7K | 0.00% | +9,695+40.1% | Added |
| Jane Street Group, LLC | 31,644 | $143.7K | 0.00% | +31,644 | New |
| Forefront Analytics, LLC | 31,280 | $142.0K | 0.07% | −400−1.3% | Reduced |
| JPMorgan Chase & Co | 29,585 | $134.3K | 0.00% | −10,034−25.3% | Reduced |
| Algert Global LLC | 27,880 | $126.6K | 0.01% | −13,780−33.1% | Reduced |
| Two Sigma Investments, LP | 26,583 | $120.7K | 0.00% | −10,517−28.3% | Reduced |
| SG Americas Securities, LLC | 25,335 | $115.0K | 0.00% | +3,123+14.1% | Added |
| Susquehanna International Group, LLP | 23,945 | $108.7K | 0.00% | −196,541−89.1% | Reduced |
| American International Group, Inc. | 22,687 | $103.0K | 0.00% | −91−0.4% | Reduced |
| Invesco Ltd. | 21,772 | $98.8K | 0.00% | +3,281+17.7% | Added |
| Allegheny Financial Group LTD | 21,700 | $98.5K | 0.03% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 20,021 | $90.9K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 19,070 | $86.6K | 0.00% | −2,411−11.2% | Reduced |
| Cubist Systematic Strategies, LLC | 17,144 | $77.8K | 0.00% | +17,144 | New |
| Schonfeld Strategic Advisors LLC | 17,000 | $77.2K | 0.00% | −130,345−88.5% | Reduced |
| Coastal Bridge Advisors, LLC | 17,000 | $77.2K | 0.02% | 00.0% | Unchanged |
| Wells Fargo & Company | 16,432 | $74.6K | 0.00% | +5,214+46.5% | Added |
| 49 Wealth Management, LLC | 16,094 | $73.1K | 0.02% | +16,094 | New |
| Atom Investors LP | 15,615 | $70.9K | 0.01% | +1,008+6.9% | Added |
| Royal Bank of Canada | 12,901 | $58.0K | 0.00% | +5,238+68.4% | Added |
| Price T Rowe Associates Inc | 12,509 | $57.0K | 0.00% | +12,509 | New |
| Tower Research Capital LLC (TRC) | 11,924 | $54.1K | 0.00% | +4,141+53.2% | Added |
| HRT Financial LP | 12,012 | $54.0K | 0.00% | +12,012 | New |
| State Board of Administration of Florida Retirement System | 11,857 | $53.8K | 0.00% | +11,857 | New |
| Walleye Trading LLC | 10,719 | $48.7K | 0.00% | +10,719 | New |
| Balyasny Asset Management LLC | 10,107 | $45.9K | 0.00% | +10,107 | New |
| Kestra Advisory Services, LLC | 10,000 | $45.4K | 0.00% | −11,000−52.4% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 10,000 | $45.0K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 7,512 | $34.1K | 0.00% | −2,559−25.4% | Reduced |
| Citigroup Inc | 7,054 | $32.0K | 0.00% | +5,945+536.1% | Added |
| Simplex Trading, LLC | 6,753 | $30.0K | 0.00% | +5,801+609.3% | Added |
| Amalgamated Bank | 3,981 | $18.0K | 0.00% | −458−10.3% | Reduced |
| Group One Trading, L.P. | 3,938 | $17.9K | 0.00% | −7,022−64.1% | Reduced |
| Ameritas Investment Partners, Inc. | 3,769 | $17.1K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 3,528 | $16.0K | 0.00% | −844−19.3% | Reduced |
| Russell Investments Group, Ltd. | 988 | $4.49K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 898 | $4.08K | 0.00% | −88−8.9% | Reduced |
| Advisor Group Holdings, Inc. | 791 | $3.59K | 0.00% | −5,000−86.3% | Reduced |
| Private Wealth Management Group, LLC | 654 | $2.97K | 0.00% | +654 | New |
| Point72 Middle East FZE | 614 | $2.79K | 0.00% | +614 | New |
| HighMark Wealth Management LLC | 300 | $1.36K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 161 | $731 | 0.00% | −1,092−87.2% | Reduced |
| Farther Finance Advisors, LLC | 1 | $5 | 0.00% | +1 | New |
| Blackstone Group Inc. | 0 | $0 | 0.00% | −910,494−100.0% | Sold out |