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 |
|---|---|---|---|---|---|
| Farther Finance Advisors, LLC | 1 | $5 | 0.00% | +1 | New |
| The PNC Financial Services Group, Inc. | 161 | $731 | 0.00% | −1,092−87.2% | Reduced |
| HighMark Wealth Management LLC | 300 | $1.36K | 0.00% | 00.0% | Unchanged |
| Point72 Middle East FZE | 614 | $2.79K | 0.00% | +614 | New |
| Private Wealth Management Group, LLC | 654 | $2.97K | 0.00% | +654 | New |
| Advisor Group Holdings, Inc. | 791 | $3.59K | 0.00% | −5,000−86.3% | Reduced |
| New York State Common Retirement Fund | 898 | $4.08K | 0.00% | −88−8.9% | Reduced |
| Russell Investments Group, Ltd. | 988 | $4.49K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 3,528 | $16.0K | 0.00% | −844−19.3% | Reduced |
| Ameritas Investment Partners, Inc. | 3,769 | $17.1K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 3,938 | $17.9K | 0.00% | −7,022−64.1% | Reduced |
| Amalgamated Bank | 3,981 | $18.0K | 0.00% | −458−10.3% | Reduced |
| Simplex Trading, LLC | 6,753 | $30.0K | 0.00% | +5,801+609.3% | Added |
| Citigroup Inc | 7,054 | $32.0K | 0.00% | +5,945+536.1% | Added |
| California State Teachers Retirement System | 7,512 | $34.1K | 0.00% | −2,559−25.4% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 10,000 | $45.0K | 0.00% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 10,000 | $45.4K | 0.00% | −11,000−52.4% | Reduced |
| Balyasny Asset Management LLC | 10,107 | $45.9K | 0.00% | +10,107 | New |
| Walleye Trading LLC | 10,719 | $48.7K | 0.00% | +10,719 | New |
| State Board of Administration of Florida Retirement System | 11,857 | $53.8K | 0.00% | +11,857 | New |
| HRT Financial LP | 12,012 | $54.0K | 0.00% | +12,012 | New |
| Tower Research Capital LLC (TRC) | 11,924 | $54.1K | 0.00% | +4,141+53.2% | Added |
| Price T Rowe Associates Inc | 12,509 | $57.0K | 0.00% | +12,509 | New |
| Royal Bank of Canada | 12,901 | $58.0K | 0.00% | +5,238+68.4% | Added |
| Atom Investors LP | 15,615 | $70.9K | 0.01% | +1,008+6.9% | Added |
| 49 Wealth Management, LLC | 16,094 | $73.1K | 0.02% | +16,094 | New |
| Wells Fargo & Company | 16,432 | $74.6K | 0.00% | +5,214+46.5% | Added |
| 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 |
| Cubist Systematic Strategies, LLC | 17,144 | $77.8K | 0.00% | +17,144 | New |
| Voya Investment Management LLC | 19,070 | $86.6K | 0.00% | −2,411−11.2% | Reduced |
| Manufacturers Life Insurance Company, The | 20,021 | $90.9K | 0.00% | 00.0% | Unchanged |
| Allegheny Financial Group LTD | 21,700 | $98.5K | 0.03% | 00.0% | Unchanged |
| Invesco Ltd. | 21,772 | $98.8K | 0.00% | +3,281+17.7% | Added |
| American International Group, Inc. | 22,687 | $103.0K | 0.00% | −91−0.4% | Reduced |
| Susquehanna International Group, LLP | 23,945 | $108.7K | 0.00% | −196,541−89.1% | Reduced |
| SG Americas Securities, LLC | 25,335 | $115.0K | 0.00% | +3,123+14.1% | Added |
| Two Sigma Investments, LP | 26,583 | $120.7K | 0.00% | −10,517−28.3% | Reduced |
| Algert Global LLC | 27,880 | $126.6K | 0.01% | −13,780−33.1% | Reduced |
| JPMorgan Chase & Co | 29,585 | $134.3K | 0.00% | −10,034−25.3% | Reduced |
| Forefront Analytics, LLC | 31,280 | $142.0K | 0.07% | −400−1.3% | Reduced |
| Jane Street Group, LLC | 31,644 | $143.7K | 0.00% | +31,644 | New |
| American Century Companies Inc | 33,864 | $153.7K | 0.00% | +9,695+40.1% | Added |
| HSBC Holdings PLC | 36,406 | $171.5K | 0.00% | +17,144+89.0% | Added |
| Alliancebernstein L.P. | 40,620 | $184.4K | 0.00% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 258,314 | $208.2K | 0.00% | 00.0% | Unchanged |
| Cornercap Investment Counsel Inc | 46,698 | $212.0K | 0.03% | 00.0% | Unchanged |
| Virtu Financial LLC | 48,614 | $221.0K | 0.02% | +48,614 | New |
| UBS Group AG | 49,586 | $225.1K | 0.00% | +24,937+101.2% | Added |
| Bank of America Corp | 51,324 | $233.0K | 0.00% | +5,442+11.9% | Added |
| Rhumbline Advisers | 59,320 | $269.3K | 0.00% | −390−0.7% | Reduced |
| Lighthouse Investment Partners, LLC | 67,511 | $306.5K | 0.02% | +67,511 | New |
| Prudential Financial Inc | 80,605 | $365.9K | 0.00% | −92,200−53.4% | Reduced |
| Two Sigma Advisers, LP | 84,800 | $385.0K | 0.00% | −70,400−45.4% | Reduced |
| Dimensional Fund Advisors LP | 87,047 | $395.3K | 0.00% | +28,525+48.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 88,091 | $399.9K | 0.00% | −33,299−27.4% | Reduced |
| Charles Schwab Investment Management Inc | 123,668 | $561.5K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 134,277 | $609.6K | 0.00% | −20,000−13.0% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 141,562 | $642.7K | 0.01% | +141,562 | New |
| Deutsche Bank AG | 157,002 | $712.8K | 0.00% | +157,002 | New |
| Bridgeway Capital Management, LLC | 179,500 | $814.9K | 0.02% | +14,400+8.7% | Added |
| Barclays PLC | 185,331 | $841.4K | 0.00% | +149,600+418.7% | Added |
| Morgan Stanley | 192,060 | $872.0K | 0.00% | +42,968+28.8% | Added |
| Nuveen Asset Management, LLC | 194,598 | $883.5K | 0.00% | +6,462+3.4% | Added |
| Goldman Sachs Group Inc | 284,933 | $1.29M | 0.00% | +39,275+16.0% | Added |
| ExodusPoint Capital Management, LP | 342,939 | $1.56M | 0.02% | +33,229+10.7% | Added |
| Northern Trust Corp | 367,275 | $1.67M | 0.00% | +6,038+1.7% | Added |
| Walleye Capital LLC | 378,279 | $1.72M | 0.02% | +378,279 | New |
| Silverarc Capital Management, LLC | 417,429 | $1.90M | 0.58% | +17,713+4.4% | Added |
| Board of Trustees of The Leland Stanford Junior University | 482,550 | $2.19M | 0.14% | −11,619−2.4% | Reduced |
| Renaissance Technologies LLC | 484,200 | $2.20M | 0.00% | −77,110−13.7% | Reduced |
| Soleus Capital Management, L.P. | 515,400 | $2.34M | 0.26% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 583,913 | $2.65M | 0.05% | 00.0% | Unchanged |
| StemPoint Capital LP | 607,100 | $2.76M | 0.74% | +607,100 | New |
| 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 |
| UBS Oconnor LLC | 692,928 | $3.15M | 0.10% | +143,682+26.2% | Added |
| Boothbay Fund Management, LLC | 707,815 | $3.21M | 0.12% | +707,815 | New |
| Massachusetts Financial Services Co | 777,968 | $3.53M | 0.00% | +769+0.1% | Added |
| Millennium Management LLC | 811,019 | $3.68M | 0.00% | +588,740+264.9% | Added |
| State Street Corp | 846,274 | $3.84M | 0.00% | +14,730+1.8% | Added |
| Acadian Asset Management LLC | 874,024 | $3.97M | 0.02% | +61,800+7.6% | Added |
| Geode Capital Management, LLC | 922,232 | $4.19M | 0.00% | +42,615+4.8% | Added |
| Citadel Advisors LLC | 1,057,687 | $4.80M | 0.00% | +372,725+54.4% | Added |
| Kennedy Capital Management, Inc. | 1,075,730 | $4.88M | 0.11% | +98,743+10.1% | Added |
| Pictet Asset Management Holding SA | 1,803,149 | $8.19M | 0.01% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,908,326 | $8.66M | 0.00% | +13,917+0.7% | Added |
| Woodline Partners LP | 2,000,000 | $9.08M | 0.10% | +535,635+36.6% | Added |
| Octagon Capital Advisors LP | 2,050,000 | $9.31M | 1.49% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 2,650,000 | $12.0M | 3.29% | +2,650,000 | New |
| GMT Capital Corp | 3,020,474 | $13.7M | 0.52% | +210,003+7.5% | Added |
| BlackRock Inc. | 3,318,579 | $15.1M | 0.00% | −89,410−2.6% | Reduced |
| Logos Global Management LP | 4,950,000 | $22.5M | 2.50% | −350,000−6.6% | Reduced |
| Adage Capital Partners GP, L.L.C. | 4,999,975 | $22.7M | 0.05% | +2,650,000+112.8% | Added |
| Redmile Group, LLC | 5,503,190 | $25.0M | 0.89% | +2,000,000+57.1% | Added |
| BVF Inc | 7,000,000 | $31.8M | 0.80% | +7,000,000 | New |
| Satter Management Co., L.P. | 7,406,024 | $33.6M | 44.74% | +350,000+5.0% | Added |
| Bain Capital Life Sciences Investors, LLC | 8,061,719 | $36.6M | 3.51% | +2,359,793+41.4% | Added |
| FMR LLC | 9,685,401 | $44.0M | 0.00% | +9,593,619+10,452.6% | Added |
| Blackstone Group Inc. | 0 | $0 | 0.00% | −910,494−100.0% | Sold out |