AnnexonANNX

13F holders, Q2 2026 (June 30)
216holders −1
28new positions
28sold out
6famous investors
$5.71avg. 13F price*

At the end of Q2 2026, 216 institutions reported holding Annexon Inc. (ANNX) in their 13F filings, down 1 from Q1 2026. 28 opened new positions and 28 sold out. The largest holders were FMR LLC ($111.5M), BlackRock, Inc. ($77.3M) and Redmile Group, LLC ($67.8M). 6 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Annexon Inc.
CUSIP
03589W102
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 127Q1 2024Q2 2024: 140Q2 2024Q3 2024: 142Q3 2024Q4 2024: 152Q4 2024Q1 2025: 147Q1 2025Q2 2025: 129Q2 2025Q3 2025: 144Q3 2025Q4 2025: 168Q4 2025Q1 2026: 217Q1 2026Q2 2026: 216Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions28$52.4M
Exits28$11.9M

All 13F filers, Q1 2026 → Q2 2026: 42,805,050 shares bought and 20,349,464 shares sold, net +22,455,586 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 216 holders

FMR LLC 0.00% Add +83.5% 19,518,496 $111.5M
BlackRock, Inc. 0.00% Add +23.8% 13,539,744 $77.3M
Redmile Group, LLC 4.55% Reduce -18.4% 11,869,877 $67.8M
State Street Corp. 0.00% Add +42.0% 9,824,321 $56.1M
BVF Inc. 1.27% No change 8,698,173 $49.7M
Woodline Partners LP 0.12% Add +196.3% 6,925,067 $39.5M
Vanguard Capital Management LLC 0.00% Add +15.3% 6,871,015 $39.2M
Mak Capital One LLC 4.69% Add +24.1% 5,862,180 $33.5M
Goldman Sachs Group Inc. 0.00% Add +170.6% 5,825,579 $33.3M
Siren, L.L.C. 0.52% Add +12.6% 4,458,646 $25.5M
Bain Capital Life Sciences Investors, LLC 1.51% Reduce -14.9% 4,437,731 $25.3M
Bellevue Group AG 0.49% Reduce -20.5% 4,100,016 $23.4M
Geode Capital Management, LLC 0.00% Add +19.5% 4,037,193 $23.1M
MPM Bioimpact LLC 1.23% New 3,544,354 $20.2M
Ameriprise Financial Inc. 0.00% Add +1.8% 3,509,623 $20.0M
Great Point Partners LLC 4.71% Add +40.0% 3,500,000 $20.0M
Adage Capital Partners Gp, L.L.C. 0.03% Reduce -18.6% 3,500,000 $20.0M
Morgan Stanley 0.00% Add +14.9% 3,144,453 $18.0M
Palo Alto Investors LP 2.33% No change 2,948,090 $16.8M
Balyasny Asset Management L.P. 0.03% Reduce -27.2% 2,830,976 $16.2M
Nuveen, LLC 0.00% Reduce -34.9% 2,765,080 $15.8M
Qube Research & Technologies Ltd 0.02% Reduce -11.7% 2,749,961 $15.7M
Vanguard Portfolio Management LLC 0.00% Add +51.5% 2,246,800 $12.8M
Opaleye Management Inc. 0.89% Reduce -26.5% 1,714,451 $9.8M
Logos Global Management LP 0.37% New 1,500,000 $8.6M
Dimensional Fund Advisors LP 0.00% Add +62.1% 1,497,756 $8.6M
Point72 Asset Management 0.01% Reduce -26.1% 1,382,699 $7.9M
Northern Trust Corp. 0.00% Add +24.4% 1,352,046 $7.7M
Charles Schwab Investment Management Inc. 0.00% Add +14.1% 1,257,799 $7.2M
Tetragon Partners GP Ltd 1.15% Reduce -3.9% 1,242,455 $7.1M
Candriam S.C.A. 0.03% New 1,195,142 $6.8M
Millennium Management 0.00% Reduce -4.3% 1,184,931 $6.8M
Vanguard Fiduciary Trust Co. 0.00% Add +24.4% 1,105,450 $6.3M
Massachusetts Financial Services Co. 0.00% Add +14.8% 1,037,366 $5.9M
JPMorgan Chase & Co. 0.00% Add +210.1% 1,004,308 $5.6M
Wells Fargo & Company 0.00% Add +40.0% 978,055 $5.6M
Panagora Asset Management Inc. 0.02% New 967,926 $5.5M
Kennedy Capital Management LLC 0.09% Reduce -1.5% 898,394 $5.1M
Ishara Investments LP 3.44% Add +370.6% 820,000 $4.7M
Ensign Peak Advisors, Inc 0.01% Add +28.1% 800,516 $4.6M
Arrowstreet Capital, Limited Partnership 0.00% New 737,935 $4.2M
Y-Intercept (Hong Kong) Ltd 0.08% Reduce -44.4% 734,585 $4.2M
Russell Investments Group, Ltd. 0.00% Reduce -0.9% 705,291 $4.0M
AQR Capital Management 0.00% Reduce -11.0% 691,812 $4.0M
Parkman Healthcare Partners LLC 0.38% Reduce -4.9% 641,029 $3.7M
Acadian Asset Management LLC 0.00% Reduce -17.0% 629,127 $3.6M
UBS Group AG 0.00% Reduce -50.0% 623,094 $3.6M
Deutsche Bank AG 0.00% Add +9.7% 616,489 $3.5M
Bank of America Corp. 0.00% Reduce -85.6% 614,186 $3.5M
Citadel Advisors 0.00% Reduce -0.6% 596,582 $3.4M
Deerfield Management Company, L.P. 0.04% No change 583,913 $3.3M
Sirios Capital Management L P 0.40% Reduce -1.0% 569,276 $3.3M
Schonfeld Strategic Advisors LLC 0.02% Add +332.8% 533,567 $3.0M
Two Sigma Investments, LP 0.00% Add +8.8% 512,796 $2.9M
Hennion & Walsh Asset Management, Inc. 0.08% Reduce -0.5% 507,050 $2.9M
Bank of New York Mellon Corp 0.00% Add +26.9% 501,442 $2.9M
Board of Trustees of The Leland Stanford Junior University 0.52% No change 482,550 $2.8M
Renaissance Technologies 0.00% Reduce -15.7% 459,000 $2.6M
Ikarian Capital, LLC 0.40% Reduce -25.9% 430,244 $2.5M
Moore Capital Management, LP 0.06% New 425,332 $2.4M
Trexquant Investment LP 0.01% Add +1.5% 409,667 $2.3M
Wellington Management Group LLP 0.00% Reduce -22.0% 406,795 $2.3M
Susquehanna Portfolio Strategies, LLC 0.04% Add +9.7% 395,230 $2.3M
Mutual of America Capital Management LLC 0.02% Reduce -5.3% 394,600 $2.3M
Invesco Ltd. 0.00% Reduce -56.6% 330,729 $1.9M
Engineers Gate Manager LP 0.02% Add +83.2% 319,057 $1.8M
DAFNA Capital Management LLC 0.32% Add +152.8% 297,812 $1.7M
Jump Financial, LLC 0.02% New 297,800 $1.7M
State of Wisconsin Investment Board 0.00% Add +475.7% 286,375 $1.6M
D. E. Shaw & Co. 0.00% Reduce -62.3% 265,284 $1.5M
Voloridge Investment Management, LLC 0.01% Reduce -45.9% 250,025 $1.4M
Swiss National Bank 0.00% Add +3.6% 244,600 $1.4M
Citigroup Inc. 0.00% Add +665.8% 235,990 $1.3M
Cinctive Capital Management LP 0.05% Reduce -19.7% 215,748 $1.2M
Marshall Wace, LLP 0.00% Reduce -75.5% 210,607 $1.2M
Rhumbline Advisers 0.00% Add +18.7% 189,578 $1.1M
Sei Investments Co. 0.00% Reduce -9.6% 183,817 $1.0M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +38.3% 180,647 $1.0M
Squarepoint Ops LLC 0.00% Add +155.0% 173,285 $989K
Rafferty Asset Management, LLC 0.00% Reduce -14.8% 173,279 $989K
Osaic Holdings, Inc. 0.00% Add +11533.1% 147,624 $843K
Alliancebernstein L.P. 0.00% Add +23.7% 147,240 $816K
California State Teachers Retirement System 0.00% Add +1771.7% 134,259 $767K
T. Rowe Price Associates Inc. 0.00% Reduce -69.8% 129,243 $738K
Victory Capital Management Inc. 0.00% Add +10.2% 127,338 $727K
Boothbay Fund Management, LLC 0.01% Reduce -27.7% 120,129 $686K
Ieq Capital, LLC 0.00% Reduce -38.7% 120,010 $685K
J. Goldman & Co LP 0.02% Reduce -32.1% 116,046 $663K
XTX Topco Ltd 0.01% Add +39.3% 112,147 $640K
Gsa Capital Partners LLP 0.04% Add +229.3% 104,378 $596K
Vanguard Global Advisers, LLC 0.00% Add +88.8% 102,067 $583K
Quarry LP 0.09% Add +370.6% 100,000 $571K
SCS Capital Management LLC 0.01% No change 99,000 $565K
Legal & General Group Plc 0.00% Add +22.6% 98,118 $560K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +20.2% 91,661 $521K
MetLife Investment Management, LLC 0.00% Add +25.6% 91,005 $520K
J. Safra Sarasin Holding AG 0.01% No change 90,487 $517K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +64.3% 88,518 $505K
Captrust Financial Advisors 0.00% Add +11.0% 87,909 $502K
Profund Advisors LLC 0.01% Reduce -3.8% 87,509 $500K
VANGUARD ASSET MANAGEMENT, Ltd 0.00% No change 79,486 $454K
DNB Asset Management AS 0.00% Reduce -17.5% 73,147 $418K
Virtus Investment Advisers, LLC 0.09% Add +26.6% 69,468 $397K
Jain Global LLC 0.00% New 64,719 $370K
China Universal Asset Management Co., Ltd. 0.02% Add +7.6% 62,076 $354K
Los Angeles Capital Management LLC 0.00% No change 62,073 $354K
Diversified Trust Co. 0.01% New 61,797 $353K
Jupiter Topco LLC 0.00% — 59,100 $338K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% New 54,300 $310K
WINTON GROUP Ltd 0.01% Add +98.3% 47,800 $273K
Jupiter Asset Management Ltd. 0.00% New 46,074 $263K
Creative Planning 0.00% Add +0.1% 45,950 $262K
Police & Firemen's Retirement System of New Jersey 0.00% Add +27.2% 45,813 $262K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% New 44,706 $255K
Jacobs Levy Equity Management, Inc. 0.00% Reduce -70.1% 44,485 $254K
SG Americas Securities, LLC 0.00% New 42,823 $245K
Allegheny Financial Group 0.03% No change 42,900 $245K
Barclays PLC 0.00% Add +71.7% 41,715 $238K
Manufacturers Life Insurance Company, The 0.00% Reduce -69.2% 41,517 $237K
DRW Securities, LLC 0.01% Reduce -27.6% 39,443 $225K
State of New Jersey Common Pension Fund D 0.00% Reduce -3.3% 39,409 $225K
Susquehanna International Group, LLP 0.00% Reduce -75.2% 39,394 $225K
BNP Paribas Financial Markets 0.00% Reduce -84.6% 39,255 $224K
Fifth Third Bancorp 0.00% Add +9.2% 38,640 $221K
Canada Pension Plan Investment Board 0.00% Reduce -5.4% 38,600 $220K
New York State Common Retirement Fund 0.00% Add +23.7% 36,568 $209K
Vanguard Investments Australia, Ltd. 0.00% No change 35,034 $200K
Arizona State Retirement System 0.00% Add +2.7% 33,630 $192K
Blueshift Asset Management, LLC 0.04% New 33,338 $190K
Prelude Capital Management, LLC 0.01% Add +42.5% 31,642 $181K
Voya Investment Management LLC 0.00% Add +38.9% 30,870 $176K
Lido Advisors, LLC 0.00% Reduce -0.5% 30,843 $176K
EntryPoint Capital, LLC 0.04% Reduce -40.1% 30,787 $176K
Intech Investment Management LLC 0.00% No change 29,929 $171K
Bridgefront Capital, LLC 0.04% New 28,528 $163K
Quadrature Capital Ltd 0.00% Add +64.8% 27,863 $159K
Diadema Partners LP 0.06% Reduce -79.3% 27,516 $157K
KLP Kapitalforvaltning As 0.00% No change 26,300 $150K
ProShare Advisors LLC 0.00% Add +0.5% 25,711 $147K
Verdad Advisers, LP 0.14% Reduce -52.5% 25,300 $144K
Brevan Howard Capital Management LP 0.00% Reduce -56.7% 25,287 $144K
AlphaCentric Advisors LLC 0.12% Add +1.4% 24,872 $142K
Prudential Financial Inc. 0.00% Add +23.1% 24,850 $142K
E Fund Management Co., Ltd. 0.00% Reduce -4.4% 24,433 $140K
Crown Wealth Group, LLC 0.03% New 23,763 $136K
SBI Securities Co., Ltd. 0.00% No change 23,225 $133K
Raymond James Financial Inc. 0.00% Add +18.1% 22,869 $131K
CANADA LIFE ASSURANCE Co 0.00% No change 21,646 $124K
Cygnus Capital Advisors, LLC 0.08% Reduce -2.9% 21,549 $123K
STRS Ohio 0.00% Reduce -61.8% 21,200 $121K
Susquehanna Fundamental Investments, LLC 0.00% New 21,010 $120K
Landscape Capital Management, L.L.C. 0.01% Reduce -3.3% 20,813 $119K
Wealth Enhancement Advisory Services, LLC 0.00% Reduce -7.7% 20,253 $117K
Corient Private Wealth LP 0.00% No change 19,704 $113K
State of Wyoming 0.01% New 19,479 $111K
Mercer Global Advisors Inc. 0.00% Reduce -8.8% 17,077 $98K
Coastal Bridge Advisors, LLC 0.01% No change 17,000 $97K
Pictet Asset Management Holding SA 0.00% No change 16,701 $95K
Mariner, LLC 0.00% Reduce -69.1% 16,469 $94K
LPL Financial LLC 0.00% Add +19.6% 15,809 $90K
Balefire, LLC 0.01% Add +0.1% 15,011 $86K
DLD Asset Management, LP 0.02% New 15,000 $86K
Xponance LLC 0.00% Add +32.6% 14,865 $85K
Forefront Analytics, LLC 0.09% No change 14,240 $81K
Teacher Retirement System of Texas 0.00% Reduce -5.7% 14,233 $81K
Ameritas Investment Partners, Inc. 0.00% Add +30.6% 14,097 $80K
Private Advisor Group, LLC 0.00% New 14,020 $80K
Cerity Partners LLC 0.00% Reduce -22.9% 13,867 $79K
Bridgeway Capital Management, LLC 0.00% Reduce -86.9% 12,800 $73K
Tower Research Capital LLC (TRC) 0.00% Add +0.9% 12,786 $73K
Vanguard Personalized Indexing Management, LLC 0.00% Reduce -3.5% 12,488 $71K
Quantinno Capital Management LP 0.00% New 12,263 $70K
Principal Financial Group Inc. 0.00% New 11,876 $68K
Merit Financial Group, LLC 0.00% Add +3.3% 11,103 $63K
Fox Run Management, L.L.C. 0.01% Reduce -38.2% 10,920 $62K
Nisa Investment Advisors, LLC 0.00% Add +45.4% 10,779 $62K
Mount Vernon Associates Inc. 0.04% No change 10,500 $60K
Cambridge Investment Research Advisors, Inc. 0.00% No change 10,110 $58K
Group One Trading LLC 0.00% New 10,087 $58K
Harbor Advisors LLC 0.01% No change 10,000 $57K
Shay Capital LLC 0.01% No change 10,000 $57K
Fulcrum Asset Management LLP 0.01% New 10,070 $56K
Arax Advisory Partners 0.00% Add +1206.8% 7,684 $44K
Mirae Asset Global Investments Co., Ltd. 0.00% Reduce -2.9% 7,328 $42K
Persistent Asset Partners Ltd 0.01% Reduce -79.7% 6,825 $39K
Geneos Wealth Management Inc. 0.00% No change 6,000 $34K
Royal Bank of Canada 0.00% Add +365.1% 5,395 $31K
Jones Financial Companies LLLP 0.00% No change 3,565 $20K
GF Fund Management Co. LTD. 0.00% Reduce -5.2% 3,065 $18K
Pacer Advisors, Inc. 0.00% New 2,894 $17K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Reduce -14.5% 2,024 $12K
Larson Financial Group LLC 0.00% Reduce -0.8% 2,000 $11K
Quantbot Technologies LP 0.00% Add +407.1% 1,562 $9K
PNC Financial Services Group, Inc. 0.00% Add +10.1% 1,246 $7K
Burnham & Co LLC 0.00% — 1,000 $6K
Allworth Financial LP 0.00% Reduce -21.2% 836 $5K
Rockefeller Capital Management L.P. 0.00% Reduce -52.7% 786 $4K
Farther Finance Advisors, LLC 0.00% Reduce -45.9% 738 $4K
Essential Partners LLC 0.00% Reduce -38.3% 674 $4K
GAMMA Investing LLC 0.00% Add +80.4% 570 $3K
IFP Advisors, Inc 0.00% Reduce -11.8% 569 $3K
EverSource Wealth Advisors, LLC 0.00% Reduce -5.4% 559 $3K
Sterling Capital Management LLC 0.00% Reduce -87.5% 545 $3K
Caitong International Asset Management Co., Ltd 0.00% Reduce -40.5% 497 $3K
Fortitude Family Office, LLC 0.00% Add +455.2% 483 $3K
Optiver Holding B.V. 0.00% Reduce -63.8% 406 $2K
HighMark Wealth Management LLC 0.00% No change 300 $2K
True Wealth Design, LLC 0.00% Reduce -12.1% 283 $2K
Physician Wealth Advisors, Inc. 0.00% No change 269 $2K
Rothschild Investment LLC 0.00% Reduce -43.0% 249 $1K
Global Retirement Partners, LLC 0.00% — 181 $1K
National Bank of Canada 0.00% New 67 $383
SJS Investment Consulting Inc. 0.00% Add +17.6% 20 $115
Stone House Investment Management, LLC 0.00% Reduce -20.0% 16 $91
Clearstead Advisors, LLC 0.00% New 15 $86
Silver Grove Financial Group, Inc. 0.00% New 1 $6

"% of holder's portfolio" is ANNX's weight in each manager's 13F, not the share of Annexon Inc. the manager owns.