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 2023
Institutional positions in Annexon, Inc. as of Mar 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
- 100
- +16 vs. Q4 2022
- Shares held
- 53.8M
- +5.48M (+11.3%) vs. Q4 2022
- Total value
- $207.6M
- −$35.7M (−14.7%) vs. Q4 2022
- New holders
- 32
- 30 more added
- Sold out
- 16
- 15 more reduced
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Annexon, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Satter Management Co., L.P. | 7,056,024 | $27.2M | 35.90% | +2,647,058+60.0% | Added |
| Bain Capital Life Sciences Investors, LLC | 4,886,616 | $18.8M | 2.35% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 3,549,975 | $13.7M | 0.03% | 00.0% | Unchanged |
| Redmile Group, LLC | 3,503,190 | $13.5M | 0.59% | 00.0% | Unchanged |
| VR Adviser, LLC | 3,220,050 | $12.4M | 2.42% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 3,057,800 | $11.8M | 0.03% | 00.0% | Unchanged |
| Citadel Advisors LLC | 2,413,117 | $9.29M | 0.01% | +546,334+29.3% | Added |
| Eventide Asset Management, LLC | 1,867,250 | $7.19M | 0.13% | −1,759,258−48.5% | Reduced |
| Vanguard Group Inc | 1,569,971 | $6.04M | 0.00% | +21,100+1.4% | Added |
| GMT Capital Corp | 1,408,697 | $5.42M | 0.21% | +1,408,697 | New |
| Millennium Management LLC | 1,364,343 | $5.25M | 0.01% | +837,812+159.1% | Added |
| Cormorant Asset Management, LP | 1,250,000 | $4.81M | 0.32% | +1,250,000 | New |
| Pictet Asset Management SA | 1,232,713 | $4.75M | 0.01% | 00.0% | Unchanged |
| Octagon Capital Advisors LP | 1,190,000 | $4.58M | 0.66% | +1,190,000 | New |
| BlackRock Inc. | 1,161,116 | $4.47M | 0.00% | +840+0.1% | Added |
| Driehaus Capital Management LLC | 1,090,986 | $4.06M | 0.06% | −200,586−15.5% | Reduced |
| Artal Group S.A. | 1,018,303 | $3.92M | 0.23% | +1,018,303 | New |
| Polar Capital Holdings Plc | 1,000,000 | $3.85M | 0.03% | +1,000,000 | New |
| Soleus Capital Management, L.P. | 915,400 | $3.52M | 0.44% | +915,400 | New |
| Blackstone Group Inc. | 910,211 | $3.50M | 0.01% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 805,279 | $3.10M | 0.01% | +408,467+102.9% | Added |
| Massachusetts Financial Services Co | 784,030 | $3.02M | 0.00% | −665−0.1% | Reduced |
| Simplify Asset Management Inc. | 653,483 | $2.52M | 0.45% | +653,483 | New |
| Deerfield Management Company, L.P. (Series C) | 583,913 | $2.25M | 0.05% | 00.0% | Unchanged |
| Woodline Partners LP | 548,474 | $2.11M | 0.03% | +372,824+212.3% | Added |
| Board of Trustees of The Leland Stanford Junior University | 482,550 | $1.86M | 0.17% | 00.0% | Unchanged |
| Marshall Wace, LLP | 464,819 | $1.79M | 0.00% | +435,963+1,510.8% | Added |
| Point72 Asset Management, L.P. | 461,284 | $1.78M | 0.01% | −288,716−38.5% | Reduced |
| Luminus Management LLC | 425,000 | $1.64M | 0.40% | +425,000 | New |
| Geode Capital Management, LLC | 387,083 | $1.49M | 0.00% | +15,016+4.0% | Added |
| Renaissance Technologies LLC | 357,100 | $1.38M | 0.00% | +47,000+15.2% | Added |
| Goldman Sachs Group Inc | 336,116 | $1.29M | 0.00% | +282,238+523.8% | Added |
| Vontobel Holding Ltd. | 332,306 | $1.28M | 0.01% | +332,306 | New |
| Sectoral Asset Management Inc | 326,806 | $1.26M | 0.24% | +326,806 | New |
| Sphera Funds Management Ltd. | 250,000 | $962.5K | 0.21% | +250,000 | New |
| Susquehanna International Group, LLP | 224,499 | $864.3K | 0.00% | +120,141+115.1% | Added |
| ExodusPoint Capital Management, LP | 219,108 | $844.0K | 0.01% | +81,059+58.7% | Added |
| UBS Oconnor LLC | 166,907 | $642.6K | 0.02% | +166,907 | New |
| Jane Street Group, LLC | 160,470 | $617.8K | 0.00% | +136,859+579.6% | Added |
| State Street Corp | 155,799 | $599.8K | 0.00% | +32,300+26.2% | Added |
| Man Group plc | – | $562.2K | 0.00% | – | – |
| Morgan Stanley | 138,104 | $531.7K | 0.00% | +53,133+62.5% | Added |
| Qube Research & Technologies Ltd | 130,377 | $502.0K | 0.00% | +82,268+171.0% | Added |
| Deutsche Bank AG | 126,812 | $488.2K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 113,807 | $438.0K | 0.01% | +113,807 | New |
| Two Sigma Advisers, LP | 103,000 | $396.6K | 0.00% | +9,800+10.5% | Added |
| Velan Capital Investment Management LP | 100,000 | $385.0K | 0.34% | +100,000 | New |
| Two Sigma Investments, LP | 96,924 | $373.2K | 0.00% | +96,924 | New |
| Cubist Systematic Strategies, LLC | 88,698 | $341.5K | 0.00% | +74,930+544.2% | Added |
| Citigroup Inc | 83,074 | $319.8K | 0.00% | +2,565+3.2% | Added |
| Northern Trust Corp | 80,709 | $310.7K | 0.00% | −126−0.2% | Reduced |
| Squarepoint Ops LLC | 80,400 | $309.5K | 0.00% | +80,400 | New |
| Barclays PLC | 68,027 | $261.9K | 0.00% | +34,661+103.9% | Added |
| Landscape Capital Management, L.L.C. | 66,773 | $257.1K | 0.03% | +66,773 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 60,701 | $233.7K | 0.00% | +60,701 | New |
| Dimensional Fund Advisors LP | 58,526 | $225.3K | 0.00% | +1,370+2.4% | Added |
| Trexquant Investment LP | 45,505 | $175.2K | 0.00% | +45,505 | New |
| Cornercap Investment Counsel Inc | 45,057 | $173.5K | 0.03% | +542+1.2% | Added |
| Bank of America Corp | 43,743 | $168.4K | 0.00% | +34,805+389.4% | Added |
| Bank of New York Mellon Corp | 37,667 | $145.0K | 0.00% | 00.0% | Unchanged |
| Algert Global LLC | 34,310 | $132.1K | 0.01% | +34,310 | New |
| Bailard, Inc. | 33,550 | $129.2K | 0.00% | +33,550 | New |
| Jump Financial, LLC | 31,366 | $120.8K | 0.00% | +19,246+158.8% | Added |
| 683 Capital Management, LLC | 31,000 | $119.3K | 0.01% | −1,658−5.1% | Reduced |
| D. E. Shaw & Co., Inc. | 27,136 | $104.5K | 0.00% | −51,373−65.4% | Reduced |
| LMR Partners LLP | 25,192 | $97.0K | 0.00% | +25,192 | New |
| Virtu Financial LLC | 20,135 | $78.0K | 0.01% | +20,135 | New |
| Charles Schwab Investment Management Inc | 19,332 | $74.4K | 0.00% | 00.0% | Unchanged |
| Values First Advisors, Inc. | 18,196 | $70.1K | 0.04% | +997+5.8% | Added |
| Coastal Bridge Advisors, LLC | 17,000 | $65.5K | 0.02% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 16,274 | $62.7K | 0.00% | +831+5.4% | Added |
| Forefront Analytics, LLC | 15,251 | $58.7K | 0.03% | −205−1.3% | Reduced |
| Kestra Advisory Services, LLC | 15,000 | $57.8K | 0.00% | 00.0% | Unchanged |
| Caxton Associates LP | 14,113 | $54.3K | 0.01% | +14,113 | New |
| Prospera Financial Services Inc | 12,676 | $48.8K | 0.00% | +12,676 | New |
| Prelude Capital Management, LLC | 12,166 | $46.8K | 0.00% | +12,166 | New |
| Diametric Capital, LP | 12,091 | $46.5K | 0.02% | +12,091 | New |
| Schonfeld Strategic Advisors LLC | 11,911 | $45.9K | 0.00% | −4,766−28.6% | Reduced |
| Parallax Volatility Advisers, L.P. | 11,609 | $44.7K | 0.00% | +11,609 | New |
| Lighthouse Investment Partners, LLC | 11,250 | $43.3K | 0.00% | −5,310−32.1% | Reduced |
| PDT Partners, LLC | 10,140 | $39.0K | 0.01% | −1,652−14.0% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 10,000 | $39.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 10,018 | $38.0K | 0.00% | −34,742−77.6% | Reduced |
| Tower Research Capital LLC (TRC) | 7,992 | $31.0K | 0.00% | +1,903+31.3% | Added |
| Point72 Middle East FZE | 5,794 | $22.3K | 0.00% | +5,794 | New |
| Advisor Group Holdings, Inc. | 5,791 | $22.3K | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 10,067 | $22.2K | 0.00% | +10,067 | New |
| Group One Trading, L.P. | 2,027 | $7.80K | 0.00% | +2,027 | New |
| JPMorgan Chase & Co | 1,718 | $7.00K | 0.00% | −30,004−94.6% | Reduced |
| FMR LLC | 1,170 | $4.50K | 0.00% | −2−0.2% | Reduced |
| Quantbot Technologies LP | 800 | $3.08K | 0.00% | −200−20.0% | Reduced |
| Red Tortoise LLC | 729 | $2.81K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 646 | $2.49K | 0.00% | +162+33.5% | Added |
| WealthPlan Investment Management, LLC | 561 | $2.16K | 0.00% | +561 | New |
| The PNC Financial Services Group, Inc. | 312 | $1.20K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 300 | $1.16K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 277 | $1.07K | 0.00% | +5+1.8% | Added |
| Capital Advisors, Ltd. LLC | 381 | $1.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 131 | $1.00K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 9 | $0 | 0.00% | 00.0% | Unchanged |