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, Q1 2025
Institutional positions in Annexon, Inc. as of Mar 31, 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
- 148
- −3 vs. Q4 2024
- Shares held
- 99.8M
- −2.29M (−2.2%) vs. Q4 2024
- Total value
- $192.1M
- −$330.5M (−63.2%) vs. Q4 2024
- New holders
- 25
- 55 more added
- Sold out
- 28
- 40 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Allegheny Financial Group LTD | 25,200 | $48.6K | 0.01% | 00.0% | Unchanged |
| Alpine Global Management, LLC | 25,145 | $48.5K | 0.01% | +25,145 | New |
| CIBC World Markets Corp | 21,667 | $41.8K | 0.00% | +21,667 | New |
| China Universal Asset Management Co., Ltd. | 21,381 | $41.3K | 0.00% | −1,221−5.4% | Reduced |
| Quarry LP | 21,000 | $40.5K | 0.01% | −37,000−63.8% | Reduced |
| Virginia Retirement Systems Et Al | 20,600 | $39.8K | 0.00% | +20,600 | New |
| Police & Firemen's Retirement System of New Jersey | 20,587 | $39.7K | 0.00% | 00.0% | Unchanged |
| Lido Advisors, LLC | 20,000 | $38.6K | 0.00% | +20,000 | New |
| Arizona State Retirement System | 19,875 | $38.4K | 0.00% | −20−0.1% | Reduced |
| Teacher Retirement System of Texas | 19,462 | $37.6K | 0.00% | −1,106−5.4% | Reduced |
| KLP Kapitalforvaltning AS | 19,100 | $36.9K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 17,732 | $34.5K | 0.00% | +17,732 | New |
| Quantinno Capital Management LP | 17,770 | $34.3K | 0.00% | +17,770 | New |
| Coastal Bridge Advisors, LLC | 17,000 | $32.8K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 15,607 | $30.1K | 0.00% | +3,750+31.6% | Added |
| Great West Life Assurance Co | 14,935 | $29.0K | 0.00% | 00.0% | Unchanged |
| Axq Capital, LP | 14,117 | $27.2K | 0.01% | +14,117 | New |
| LPL Financial LLC | 12,926 | $24.9K | 0.00% | +12,926 | New |
| Citadel Advisors LLC | 12,455 | $24.0K | 0.00% | −12,643−50.4% | Reduced |
| Catalyst Funds Management Pty Ltd | 11,760 | $22.7K | 0.01% | +11,760 | New |
| Victory Capital Management Inc | 11,467 | $22.1K | 0.00% | +399+3.6% | Added |
| Gsa Capital Partners LLP | 11,425 | $22.0K | 0.00% | +11,425 | New |
| Cambridge Investment Research Advisors, Inc. | 10,700 | $21.0K | 0.00% | −500−4.5% | Reduced |
| Dynamic Technology Lab Private Ltd | 10,947 | $21.0K | 0.00% | +10,947 | New |
| Harbor Advisors LLC | 10,000 | $19.3K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 9,689 | $18.7K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 6,834 | $13.0K | 0.00% | −5,466−44.4% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 5,994 | $11.6K | 0.00% | +5,994 | New |
| BNP Paribas Arbitrage, SA | 5,885 | $11.4K | 0.00% | −5,519−48.4% | Reduced |
| CWM, LLC | 5,668 | $11.0K | 0.00% | +4,066+253.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,567 | $8.03K | 0.00% | +15+0.4% | Added |
| Amalgamated Bank | 3,370 | $7.00K | 0.00% | +1,080+47.2% | Added |
| GF Fund Management Co. Ltd. | 2,729 | $5.27K | 0.00% | +491+21.9% | Added |
| Nisa Investment Advisors, LLC | 1,891 | $3.65K | 0.00% | +1,708+933.3% | Added |
| Sterling Capital Management LLC | 1,685 | $3.25K | 0.00% | −1,379−45.0% | Reduced |
| Private Wealth Management Group, LLC | 654 | $1.26K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 670 | $1.03K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 352 | $1.00K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 438 | $845 | 0.00% | −9,844−95.7% | Reduced |
| Rothschild Investment LLC | 420 | $811 | 0.00% | +345+460.0% | Added |
| HighMark Wealth Management LLC | 300 | $579 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 294 | $567 | 0.00% | +78+36.1% | Added |
| Parkside Financial Bank & Trust | 140 | $273 | 0.00% | +140 | New |
| EverSource Wealth Advisors, LLC | 74 | $143 | 0.00% | +64+640.0% | Added |
| SBI Securities Co., Ltd. | 25 | $48 | 0.00% | +14+127.3% | Added |
| True Wealth Design, LLC | 17 | $33 | 0.00% | +17 | New |
| IFP Advisors, Inc | 0 | $15 | 0.00% | 0 | Unchanged |
| Farther Finance Advisors, LLC | 1 | $2 | 0.00% | 00.0% | Unchanged |
| Eventide Asset Management, LLC | 0 | $0 | 0.00% | −1,017,928−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −774,860−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −218,369−100.0% | Sold out |
| Artia Global Partners LP | 0 | $0 | 0.00% | −172,226−100.0% | Sold out |
| Exome Asset Management LLC | 0 | $0 | 0.00% | −144,830−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −137,183−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −80,475−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −43,363−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −42,273−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −38,845−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −30,134−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −29,433−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −17,400−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −15,763−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −15,447−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −14,673−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −13,741−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −12,900−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −10,319−100.0% | Sold out |
| Sandia Investment Management LP | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −6,679−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −988−100.0% | Sold out |
| Bryn Mawr Trust Co | 0 | $0 | 0.00% | −403−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −211−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −151−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −133−100.0% | Sold out |
| UMA Financial Services, Inc. | 0 | $0 | 0.00% | −133−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −119−100.0% | Sold out |
| Satter Management Co., L.P. | – | – | – | – | Not filed |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |