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 |
|---|---|---|---|---|---|
| Allegheny Financial Group LTD | 25,200 | $129.3K | 0.03% | 00.0% | Unchanged |
| Citadel Advisors LLC | 25,098 | $128.8K | 0.00% | +19,460+345.2% | Added |
| Tower Research Capital LLC (TRC) | 24,892 | $127.7K | 0.00% | +19,301+345.2% | Added |
| Comerica Bank | 23,183 | $118.9K | 0.00% | +4,283+22.7% | Added |
| China Universal Asset Management Co., Ltd. | 22,602 | $115.9K | 0.01% | +22,602 | New |
| Teacher Retirement System of Texas | 20,568 | $106.0K | 0.00% | +20,568 | New |
| Police & Firemen's Retirement System of New Jersey | 20,587 | $105.6K | 0.00% | +20,587 | New |
| Arizona State Retirement System | 19,895 | $102.1K | 0.00% | +19,895 | New |
| KLP Kapitalforvaltning AS | 19,100 | $98.0K | 0.00% | +19,100 | New |
| Two Sigma Advisers, LP | 17,400 | $89.3K | 0.00% | −19,800−53.2% | Reduced |
| Coastal Bridge Advisors, LLC | 17,000 | $87.2K | 0.02% | 00.0% | Unchanged |
| Forefront Analytics, LLC | 16,433 | $84.3K | 0.04% | +5,950+56.8% | Added |
| Virtus ETF Advisers LLC | 15,763 | $80.9K | 0.03% | +424+2.8% | Added |
| E Fund Management Co., Ltd. | 15,447 | $79.2K | 0.00% | +4,086+36.0% | Added |
| Great West Life Assurance Co | 14,935 | $77.0K | 0.00% | +14,935 | New |
| Creative Planning | 14,673 | $75.3K | 0.00% | −20,106−57.8% | Reduced |
| Corton Capital Inc. | 13,741 | $70.5K | 0.04% | −3,700−21.2% | Reduced |
| Omers Administration Corp | 12,900 | $66.2K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,883 | $66.1K | 0.00% | +12,883 | New |
| Royal Bank of Canada | 12,300 | $63.0K | 0.00% | +2,514+25.7% | Added |
| State Board of Administration of Florida Retirement System | 11,857 | $60.8K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 11,404 | $58.5K | 0.00% | +11,404 | New |
| Cambridge Investment Research Advisors, Inc. | 11,200 | $57.0K | 0.00% | −200−1.8% | Reduced |
| Victory Capital Management Inc | 11,068 | $56.8K | 0.00% | +416+3.9% | Added |
| SEI Investments Co | 10,319 | $52.9K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 10,282 | $52.7K | 0.00% | −19,117−65.0% | Reduced |
| Harbor Advisors LLC | 10,000 | $51.3K | 0.01% | 00.0% | Unchanged |
| Sandia Investment Management LP | 10,000 | $51.3K | 0.10% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 9,689 | $49.7K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 6,679 | $34.3K | 0.00% | +1,755+35.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,552 | $18.4K | 0.00% | +3,552 | New |
| Sterling Capital Management LLC | 3,064 | $15.7K | 0.00% | +2,766+928.2% | Added |
| Amalgamated Bank | 2,290 | $12.0K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 2,238 | $11.5K | 0.00% | +2,238 | New |
| CWM, LLC | 1,602 | $8.00K | 0.00% | −3,750−70.1% | Reduced |
| Russell Investments Group, Ltd. | 988 | $5.07K | 0.00% | −61−5.8% | Reduced |
| Private Wealth Management Group, LLC | 654 | $3.36K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 670 | $3.24K | 0.00% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 403 | $2.07K | 0.00% | +403 | New |
| Daiwa Securities Group Inc. | 352 | $2.00K | 0.00% | +352 | New |
| HighMark Wealth Management LLC | 300 | $1.54K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 216 | $1.11K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 211 | $1.08K | 0.00% | +211 | New |
| Nisa Investment Advisors, LLC | 183 | $939 | 0.00% | −75−29.1% | Reduced |
| Signaturefd, LLC | 151 | $775 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 133 | $683 | 0.00% | −324−70.9% | Reduced |
| UMA Financial Services, Inc. | 133 | $683 | 0.00% | +133 | New |
| Smartleaf Asset Management LLC | 119 | $610 | 0.00% | +119 | New |
| Rothschild Investment LLC | 75 | $385 | 0.00% | −90−54.5% | Reduced |
| SBI Securities Co., Ltd. | 11 | $56 | 0.00% | +11 | New |
| EverSource Wealth Advisors, LLC | 10 | $51 | 0.00% | +10 | New |
| IFP Advisors, Inc | 0 | $41 | 0.00% | 0 | New |
| Farther Finance Advisors, LLC | 1 | $5 | 0.00% | 00.0% | Unchanged |
| 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 |