AnnexonANNX
13F holders, Q3 2024 (September 30)142holders +2
20new positions
18sold out
6famous investors
$5.91avg. 13F price*
At the end of Q3 2024, 142 institutions reported holding Annexon Inc. (ANNX) in their 13F filings, up 2 from Q2 2024. 20 opened new positions and 18 sold out. The largest holders were FMR LLC ($50.7M), Bain Capital Life Sciences Investors, LLC ($50.0M) and BlackRock, Inc. ($45.3M). 6 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Annexon Inc.
- CUSIP
- 03589W102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 20 | $14.7M |
| Exits | 18 | $8.9M |
All 13F filers, Q2 2024 → Q3 2024: 11,360,909 shares bought and 9,650,266 shares sold, net +1,710,643 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 142 holders
| FMR LLC | 0.00% | Add +3.2% | 8,561,949 | $50.7M |
| Bain Capital Life Sciences Investors, LLC | 5.21% | Add +0.0% | 8,449,748 | $50.0M |
| BlackRock, Inc. | 0.00% | — | 7,647,714 | $45.3M |
| Alerce Investment Management, L.P. | 70.35% | No change | 7,406,024 | $43.8M |
| BVF Inc. | 1.21% | No change | 7,000,000 | $41.4M |
| Redmile Group, LLC | 2.24% | No change | 6,427,462 | $38.1M |
| Point72 Asset Management | 0.11% | Reduce -11.1% | 5,326,998 | $31.5M |
| Bellevue Group AG | 0.49% | No change | 5,157,290 | $30.5M |
| Vanguard Group Inc. | 0.00% | Add +9.1% | 4,970,293 | $29.4M |
| State Street Corp. | 0.00% | Add +116.6% | 3,841,879 | $22.7M |
| Woodline Partners LP | 0.17% | Reduce -15.8% | 3,430,160 | $20.3M |
| Adage Capital Partners Gp, L.L.C. | 0.03% | No change | 2,840,145 | $16.8M |
| Logos Global Management LP | 1.72% | Reduce -21.2% | 2,600,000 | $15.4M |
| Nuveen Asset Management, LLC | 0.00% | Add +57.0% | 2,555,570 | $15.1M |
| Candriam S.C.A. | 0.08% | Add +6.8% | 2,192,799 | $13.0M |
| Geode Capital Management, LLC | 0.00% | Add +18.3% | 2,143,635 | $12.7M |
| GMT Capital Corp | 0.45% | Reduce -35.1% | 1,908,366 | $11.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +219.4% | 1,904,378 | $11.3M |
| JPMorgan Chase & Co. | 0.00% | Add +1.2% | 1,706,182 | $10.1M |
| Kennedy Capital Management LLC | 0.19% | Add +58.6% | 1,450,895 | $8.6M |
| Sio Capital Management, LLC | 3.80% | New | 1,433,155 | $8.5M |
| Morgan Stanley | 0.00% | Add +22.5% | 1,235,485 | $7.3M |
| Massachusetts Financial Services Co. | 0.00% | Add +9.0% | 1,160,886 | $6.9M |
| Dimensional Fund Advisors LP | 0.00% | Add +37.3% | 1,129,042 | $6.7M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -5.5% | 1,034,652 | $6.1M |
| Acadian Asset Management LLC | 0.02% | Add +3.6% | 944,996 | $5.6M |
| Northern Trust Corp. | 0.00% | Add +42.3% | 790,065 | $4.7M |
| Tetragon Partners GP Ltd | 2.09% | Reduce -37.6% | 784,355 | $4.6M |
| Readystate Asset Management LP | 0.58% | Reduce -12.3% | 774,860 | $4.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +221.8% | 732,216 | $4.3M |
| Mutual of America Capital Management LLC | 0.04% | Add +3.1% | 659,254 | $3.9M |
| Ghost Tree Capital, LLC | 1.31% | Add +109.7% | 650,000 | $3.8M |
| Schonfeld Strategic Advisors LLC | 0.03% | Reduce -21.8% | 636,391 | $3.8M |
| Deerfield Management Company, L.P. | 0.06% | No change | 583,913 | $3.5M |
| Rhenman & Partners Asset Management AB | 0.27% | Reduce -37.8% | 560,000 | $3.3M |
| Deutsche Bank AG | 0.00% | Add +2.5% | 508,055 | $3.0M |
| Board of Trustees of The Leland Stanford Junior University | 0.24% | No change | 482,550 | $2.9M |
| Alyeska Investment Group, L.P. | 0.01% | No change | 450,000 | $2.7M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -4.0% | 429,559 | $2.5M |
| Renaissance Technologies | 0.00% | Reduce -31.3% | 401,400 | $2.4M |
| Octagon Capital Advisors LP | 0.38% | No change | 400,000 | $2.4M |
| Walleye Capital LLC | 0.02% | New | 328,698 | $1.9M |
| Parkman Healthcare Partners LLC | 0.25% | Add +0.5% | 328,613 | $1.9M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.05% | Add +40.4% | 320,574 | $1.9M |
| Marshall Wace, LLP | 0.00% | Reduce -82.7% | 292,374 | $1.7M |
| Wellington Management Group LLP | 0.00% | Add +36.2% | 263,360 | $1.6M |
| Hennion & Walsh Asset Management, Inc. | 0.07% | Add +34.7% | 259,404 | $1.5M |
| Bank of New York Mellon Corp | 0.00% | Reduce -13.1% | 224,320 | $1.3M |
| UBS Group AG | 0.00% | Add +189.9% | 219,127 | $1.3M |
| Wells Fargo & Company | 0.00% | Add +44.9% | 218,214 | $1.3M |
| Cinctive Capital Management LP | 0.06% | Reduce -14.3% | 186,828 | $1.1M |
| Barclays PLC | 0.00% | Add +212.0% | 177,765 | $1.1M |
| Rafferty Asset Management, LLC | 0.00% | New | 176,825 | $1.0M |
| Artia Global Partners LP | 0.29% | Add +16.8% | 172,226 | $1.0M |
| Bank of America Corp. | 0.00% | Add +155.0% | 167,160 | $990K |
| Prudential Financial Inc. | 0.00% | Add +310.0% | 161,280 | $955K |
| Point72 Europe (London) LLP | 0.08% | Reduce -31.8% | 159,953 | $947K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +1.6% | 159,586 | $945K |
| Ameriprise Financial Inc. | 0.00% | New | 158,773 | $940K |
| Bank of Montreal | 0.00% | New | 151,463 | $930K |
| American Century Companies Inc. | 0.00% | Add +24.7% | 144,214 | $854K |
| Two Sigma Investments, LP | 0.00% | Reduce -56.8% | 140,917 | $834K |
| TD Asset Management Inc | 0.00% | No change | 133,648 | $821K |
| Rhumbline Advisers | 0.00% | Add +7.4% | 135,998 | $805K |
| Alliancebernstein L.P. | 0.00% | Reduce -13.0% | 127,360 | $754K |
| Park Avenue Securities LLC | 0.01% | Add +136.2% | 118,068 | $699K |
| Squarepoint Ops LLC | 0.00% | Add +276.1% | 106,591 | $631K |
| Driehaus Capital Management LLC | 0.00% | No change | 258,314 | $490K |
| D. E. Shaw & Co. | 0.00% | Reduce -11.6% | 81,411 | $482K |
| Alps Advisors Inc. | 0.00% | Add +4.6% | 74,344 | $440K |
| Millennium Management | 0.00% | Reduce -79.1% | 72,655 | $430K |
| Citigroup Inc. | 0.00% | Reduce -89.5% | 70,006 | $414K |
| Jane Street Group, LLC | 0.00% | Reduce -4.4% | 66,864 | $396K |
| AQR Capital Management | 0.00% | Reduce -76.8% | 64,791 | $384K |
| Osaic Holdings, Inc. | 0.00% | No change | 62,625 | $371K |
| Franklin Resources Inc. | 0.00% | New | 49,406 | $366K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +73.6% | 59,310 | $353K |
| MetLife Investment Management, LLC | 0.00% | Add +11.8% | 55,212 | $327K |
| Corebridge Financial, Inc. | 0.00% | Add +12.8% | 51,138 | $303K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -41.2% | 50,000 | $296K |
| DNB Asset Management AS | 0.00% | Add +0.7% | 46,804 | $277K |
| Sherbrooke Park Advisers LLC | 0.06% | Reduce -29.6% | 43,031 | $255K |
| HSBC Holdings PLC | 0.00% | Add +4.0% | 37,825 | $229K |
| Two Sigma Advisers, LP | 0.00% | Reduce -68.8% | 37,200 | $220K |
| Profund Advisors LLC | 0.01% | New | 35,447 | $210K |
| Creative Planning | 0.00% | Add +29.5% | 34,779 | $206K |
| Gsa Capital Partners LLP | 0.02% | Add +10.7% | 34,581 | $205K |
| SG Americas Securities, LLC | 0.00% | Add +117.8% | 32,763 | $194K |
| Susquehanna International Group, LLP | 0.00% | Reduce -90.8% | 31,164 | $184K |
| Voya Investment Management LLC | 0.00% | Add +6.2% | 30,030 | $178K |
| Group One Trading LLC | 0.01% | Add +105.1% | 29,399 | $174K |
| Intech Investment Management LLC | 0.00% | New | 26,013 | $154K |
| State of Wisconsin Investment Board | 0.00% | Reduce -59.6% | 25,955 | $154K |
| Simplex Trading, LLC | 0.01% | New | 25,830 | $152K |
| Allegheny Financial Group | 0.04% | No change | 25,200 | $149K |
| Cornercap Investment Counsel Inc. | 0.04% | Reduce -50.9% | 22,604 | $134K |
| Bayesian Capital Management, LP | 0.02% | Reduce -42.8% | 22,099 | $131K |
| Invesco Ltd. | 0.00% | Reduce -6.9% | 21,270 | $126K |
| Quarry LP | 0.04% | New | 20,000 | $118K |
| Virtu Financial LLC | 0.01% | Reduce -35.4% | 19,165 | $113K |
"% of holder's portfolio" is ANNX's weight in each manager's 13F, not the share of Annexon Inc. the manager owns.