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, Q3 2025
Institutional positions in Annexon, Inc. as of Sep 30, 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
- 144
- +16 vs. Q2 2025
- Shares held
- 101.4M
- +1.69M (+1.7%) vs. Q2 2025
- Total value
- $309.2M
- +$70.5M (+29.5%) vs. Q2 2025
- New holders
- 33
- 51 more added
- Sold out
- 17
- 36 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 19,739 | $60.2K | 0.00% | +9,760+97.8% | Added |
| CI Private Wealth, LLC | 19,665 | $60.0K | 0.00% | +19,665 | New |
| Voya Investment Management LLC | 19,318 | $58.9K | 0.00% | −8,137−29.6% | Reduced |
| Russell Investments Group, Ltd. | 18,220 | $55.6K | 0.00% | +18,220 | New |
| Wealth Enhancement Advisory Services, LLC | 17,205 | $52.8K | 0.00% | +17,205 | New |
| Coastal Bridge Advisors, LLC | 17,000 | $51.9K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 15,451 | $47.1K | 0.00% | +15,451 | New |
| VisionPoint Advisory Group, LLC | 15,000 | $45.8K | 0.01% | +15,000 | New |
| JustInvest LLC | 13,244 | $40.4K | 0.00% | +960+7.8% | Added |
| 49 Wealth Management, LLC | 12,083 | $36.9K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 11,670 | $35.6K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 10,997 | $34.0K | 0.00% | +10,997 | New |
| Victory Capital Management Inc | 11,021 | $33.6K | 0.00% | −370−3.2% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 10,700 | $33.0K | 0.00% | 00.0% | Unchanged |
| CIBC Bancorp USA Inc. | 10,208 | $31.1K | 0.00% | +10,208 | New |
| Harbor Advisors LLC | 10,000 | $30.5K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 9,689 | $29.6K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 8,476 | $25.9K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 6,828 | $20.8K | 0.00% | −30,968−81.9% | Reduced |
| Sterling Capital Management LLC | 6,607 | $20.2K | 0.00% | +3,849+139.6% | Added |
| SRS Capital Advisors, Inc. | 6,530 | $19.9K | 0.00% | +6,530 | New |
| Tower Research Capital LLC (TRC) | 6,096 | $18.6K | 0.00% | −9,462−60.8% | Reduced |
| Geneos Wealth Management Inc. | 6,000 | $18.3K | 0.00% | +6,000 | New |
| California State Teachers Retirement System | 5,995 | $18.3K | 0.00% | +5,995 | New |
| Mirae Asset Global Investments Co., Ltd. | 4,248 | $13.0K | 0.00% | +10+0.2% | Added |
| Amalgamated Bank | 3,370 | $10.0K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 2,613 | $7.97K | 0.00% | −94−3.5% | Reduced |
| GF Fund Management Co. Ltd. | 2,364 | $7.21K | 0.00% | −365−13.4% | Reduced |
| Optiver Holding B.V. | 1,304 | $3.98K | 0.00% | +1,304 | New |
| The PNC Financial Services Group, Inc. | 1,123 | $3.42K | 0.00% | +89+8.6% | Added |
| Clearstead Advisors, LLC | 355 | $1.08K | 0.00% | +355 | New |
| IFP Advisors, Inc | 350 | $1.07K | 0.00% | +242+224.1% | Added |
| Daiwa Securities Group Inc. | 352 | $1.00K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 300 | $915 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 296 | $903 | 0.00% | +44+17.5% | Added |
| Essential Partners LLC | 293 | $894 | 0.00% | +91+45.0% | Added |
| UMA Financial Services, Inc. | 269 | $821 | 0.00% | +269 | New |
| Rothschild Investment LLC | 165 | $503 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 152 | $464 | 0.00% | +107+237.8% | Added |
| Sunbelt Securities, Inc. | 87 | $265 | 0.00% | +87 | New |
| True Wealth Design, LLC | 55 | $168 | 0.00% | +55 | New |
| SBI Securities Co., Ltd. | 26 | $79 | 0.00% | −4−13.3% | Reduced |
| Advisory Services Network, LLC | 23 | $70 | 0.00% | +23 | New |
| Farther Finance Advisors, LLC | 1 | $3 | 0.00% | 00.0% | Unchanged |
| Sio Capital Management, LLC | 0 | $0 | 0.00% | −4,095,764−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −2,410,000−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −794,639−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −492,698−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −93,500−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −77,100−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −30,597−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −29,989−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −20,515−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −258,314−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −20,196−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −15,607−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −13,401−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −7,111−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −6,673−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −1,964−100.0% | Sold out |
| Prestige Wealth Management Group LLC | 0 | $0 | 0.00% | −185−100.0% | Sold out |
| CIBC World Markets Corp | – | – | – | – | Not filed |