AnaptysbioANAB

13F holders, Q2 2026 (June 30)
213holders +5
43new positions
37sold out
7famous investors
$68.04avg. 13F price*

At the end of Q2 2026, 213 institutions reported holding Anaptysbio Inc. (ANAB) in their 13F filings, up 5 from Q1 2026. 43 opened new positions and 37 sold out. The largest holders were EcoR1 Capital, LLC ($531.9M), BlackRock, Inc. ($124.5M) and Tang Capital Management LLC ($89.8M). 7 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Anaptysbio Inc.
CUSIP
032724106
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 133Q1 2024Q2 2024: 135Q2 2024Q3 2024: 160Q3 2024Q4 2024: 135Q4 2024Q1 2025: 153Q1 2025Q2 2025: 147Q2 2025Q3 2025: 166Q3 2025Q4 2025: 179Q4 2025Q1 2026: 208Q1 2026Q2 2026: 213Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions43$104.3M
Exits37$47.8M

All 13F filers, Q1 2026 → Q2 2026: 4,673,394 shares bought and 2,792,152 shares sold, net +1,881,242 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 213 holders

EcoR1 Capital, LLC 26.38% No change 7,880,094 $531.9M
BlackRock, Inc. 0.00% Add +9.7% 1,844,049 $124.5M
Tang Capital Management LLC 4.10% No change 1,330,879 $89.8M
State Street Corp. 0.00% Add +29.6% 1,286,194 $86.8M
Vanguard Capital Management LLC 0.00% Add +6.2% 906,233 $61.2M
Affinity Asset Advisors, LLC 2.77% Reduce -12.1% 826,109 $55.8M
Sanofi 10.39% No change 821,917 $55.5M
Millennium Management 0.04% Add +69.8% 807,316 $54.5M
Woodline Partners LP 0.15% Add +108.3% 717,014 $48.4M
683 Capital Management, LLC 4.28% Add +5.6% 660,000 $44.6M
Geode Capital Management, LLC 0.00% Add +22.6% 637,873 $43.1M
Palo Alto Investors LP 5.63% Reduce -5.4% 603,489 $40.7M
Goldman Sachs Group Inc. 0.00% Add +75.5% 584,070 $39.4M
First Light Asset Management, LLC 2.39% Add +2.9% 582,004 $39.3M
D. E. Shaw & Co. 0.02% Reduce -6.8% 539,666 $36.4M
Vanguard Portfolio Management LLC 0.00% Add +1.5% 527,858 $35.6M
Apis Capital Advisors, LLC 3.27% Add +108.8% 497,000 $33.5M
Sofinnova Investments, Inc. 1.78% Add +98.8% 493,536 $33.3M
Arrowstreet Capital, Limited Partnership 0.01% Reduce -0.7% 488,651 $33.0M
Nuveen, LLC 0.01% Add +33.1% 420,664 $28.4M
Bank of America Corp. 0.00% Reduce -16.6% 417,812 $28.2M
Citadel Advisors 0.02% Add +68.9% 394,373 $26.6M
Federated Hermes, Inc. 0.04% Add +7.6% 391,667 $26.4M
Squarepoint Ops LLC 0.04% Add +21.2% 324,446 $21.9M
Two Sigma Investments, LP 0.01% Reduce -43.5% 262,995 $17.8M
First Trust Advisors LP 0.01% New 258,989 $17.5M
Morgan Stanley 0.00% Reduce -74.1% 257,091 $17.4M
Coppell Advisory Solutions LLC 1.38% New 3,638 $16.6M
FMR LLC 0.00% Reduce -49.1% 240,511 $16.2M
Qube Research & Technologies Ltd 0.02% Reduce -10.2% 228,777 $15.4M
HSBC Holdings PLC 0.01% Add +72.6% 216,949 $14.9M
Empowered Funds, LLC 0.07% New 206,010 $13.9M
Northern Trust Corp. 0.00% Add +10.5% 202,767 $13.7M
Charles Schwab Investment Management Inc. 0.00% Add +5.0% 202,305 $13.7M
Invesco Ltd. 0.00% Add +66.8% 202,056 $13.6M
Dimensional Fund Advisors LP 0.00% New 185,444 $12.5M
Greenhaven Road Investment Management, L.P. 7.50% New 171,059 $11.5M
Victory Capital Management Inc. 0.01% Add +56.4% 169,227 $11.4M
Mackenzie Financial Corp. 0.01% Add +347.7% 150,979 $10.2M
UBS Group AG 0.00% Add +84.3% 146,832 $9.9M
Vanguard Fiduciary Trust Co. 0.00% Add +8.6% 146,724 $9.9M
Connor, Clark & Lunn Investment Management Ltd. 0.02% Reduce -11.1% 141,026 $9.5M
Ensign Peak Advisors, Inc 0.01% Reduce -14.8% 107,096 $7.2M
Franklin Resources Inc. 0.00% Add +62.5% 106,949 $7.2M
Citigroup Inc. 0.00% Add +35.0% 99,114 $6.7M
Nomura Asset Management International Inc. 0.01% No change 93,732 $6.3M
Prudential Financial Inc. 0.01% Add +34.2% 85,932 $5.8M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.00% New 83,942 $5.7M
JPMorgan Chase & Co. 0.00% Add +589.0% 80,236 $5.3M
Granahan Investment Management, LLC 0.18% Add +14.8% 75,962 $5.1M
Irenic Capital Management LP 0.34% New 70,447 $4.8M
Eversept Partners, LP 0.26% Add +158.3% 69,983 $4.7M
SG Americas Securities, LLC 0.00% Add +168.5% 66,730 $4.5M
Jacobs Levy Equity Management, Inc. 0.02% Add +117.8% 62,336 $4.2M
State of Wisconsin Investment Board 0.01% Add +123.6% 61,753 $4.2M
Renaissance Technologies 0.01% Reduce -35.9% 58,300 $3.9M
Voloridge Investment Management, LLC 0.02% Reduce -27.1% 57,555 $3.9M
Bank of New York Mellon Corp 0.00% Add +10.3% 56,401 $3.8M
Deutsche Bank AG 0.00% Reduce -9.9% 46,884 $3.2M
AQR Capital Management 0.00% Add +42.7% 46,323 $3.1M
Marshall Wace, LLP 0.00% Reduce -35.6% 43,822 $3.0M
Bleakley Financial Group, LLC 0.04% Reduce -0.8% 42,761 $2.9M
Wellington Management Group LLP 0.00% Reduce -10.8% 41,796 $2.8M
Wells Fargo & Company 0.00% Add +25.7% 41,707 $2.8M
HighMark Wealth Management LLC 0.90% Reduce -57.8% 39,716 $2.7M
Capital Fund Management S.A. 0.02% New 39,142 $2.6M
Trexquant Investment LP 0.01% Reduce -58.4% 35,404 $2.4M
Atom Investors LP 0.20% New 33,917 $2.3M
T. Rowe Price Associates Inc. 0.00% Add +9.0% 32,374 $2.2M
Swiss National Bank 0.00% Add +14.9% 31,700 $2.1M
Voleon Capital Management LP 0.04% New 31,425 $2.1M
Tema ETFs LLC 0.07% Add +0.7% 31,270 $2.1M
Tidal Investments LLC 0.01% Reduce -14.0% 31,270 $2.1M
Moody Aldrich Partners LLC 0.38% Reduce -21.6% 30,926 $2.1M
Aquatic Capital Management LLC 0.07% New 30,813 $2.1M
SummitTX Capital, L.P. 0.05% New 28,779 $1.9M
Alliancebernstein L.P. 0.00% Add +4.8% 32,820 $1.8M
Rhumbline Advisers 0.00% Add +10.5% 26,346 $1.8M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -24.1% 23,310 $1.6M
Burney Co./ 0.04% New 22,557 $1.5M
Rafferty Asset Management, LLC 0.00% Reduce -19.8% 21,864 $1.5M
XTX Topco Ltd 0.02% Reduce -57.6% 21,411 $1.4M
Hussman Strategic Advisors, Inc. 0.33% No change 21,000 $1.4M
Tudor Investment Corporation 0.01% Add +303.4% 20,019 $1.4M
Credit Agricole S A 0.00% No change 20,000 $1.4M
Martingale Asset Management L P 0.03% Reduce -29.1% 19,942 $1.3M
Creative Planning 0.00% Add +11.5% 18,773 $1.3M
Y-Intercept (Hong Kong) Ltd 0.02% Reduce -18.6% 18,468 $1.2M
California State Teachers Retirement System 0.00% Add +25.9% 17,629 $1.2M
Los Angeles Capital Management LLC 0.00% Add +11.9% 17,536 $1.2M
VIRGINIA RETIREMENT SYSTEMS ET Al 0.01% Add +7.5% 17,250 $1.2M
Diametric Capital, LP 0.12% New 16,868 $1.1M
Canada Pension Plan Investment Board 0.00% Add +10.7% 16,500 $1.1M
Legal & General Group Plc 0.00% Add +18.7% 16,415 $1.1M
Russell Investments Group, Ltd. 0.00% Add +22.7% 16,301 $1.1M
Massachusetts Financial Services Co. 0.00% New 15,870 $1.1M
Cresset Asset Management, LLC 0.00% Add +3.9% 14,412 $973K
Vanguard Global Advisers, LLC 0.00% Add +18.4% 13,919 $940K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +39.6% 13,405 $905K
Brevan Howard Capital Management LP 0.01% Add +20.9% 13,329 $900K
Sei Investments Co. 0.00% Add +72.0% 13,161 $888K
Orion Porfolio Solutions, LLC 0.01% Reduce -9.5% 11,876 $802K
Acadian Asset Management LLC 0.00% Reduce -11.5% 11,697 $787K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% New 11,610 $784K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +11.0% 11,639 $782K
Clear Harbor Asset Management, LLC 0.05% New 11,550 $780K
MetLife Investment Management, LLC 0.00% Add +13.5% 11,548 $779K
Voya Investment Management LLC 0.00% Reduce -21.5% 11,265 $760K
Profund Advisors LLC 0.02% Reduce -9.5% 11,044 $745K
Quantedge Capital Pte Ltd 0.53% New 10,400 $702K
Manufacturers Life Insurance Company, The 0.00% Add +2.0% 10,366 $700K
VANGUARD ASSET MANAGEMENT, Ltd 0.00% No change 9,690 $654K
DCF Advisers, LLC 0.16% Reduce -51.5% 9,114 $615K
American Century Companies Inc. 0.00% New 8,877 $599K
Cibc World Market Inc. 0.00% New 8,700 $587K
New York State Common Retirement Fund 0.00% Add +15.5% 8,070 $545K
BNP Paribas Financial Markets 0.00% Reduce -91.8% 7,967 $538K
Verition Fund Management LLC 0.00% New 7,500 $506K
Jupiter Topco LLC 0.00% — 7,464 $504K
Lombard Odier Asset Management (USA) Corp 0.69% New 7,400 $500K
Glenmede Trust Co. NA 0.00% Add +9.9% 7,016 $474K
Quantinno Capital Management LP 0.00% Add +7.6% 6,547 $442K
Duncan Williams Asset Management, LLC 0.10% No change 6,525 $440K
Gotham Asset Management 0.00% Reduce -55.0% 6,292 $425K
Vinva Investment Management Ltd 0.00% No change 4,383 $420K
Virtus Investment Advisers, LLC 0.09% Reduce -3.8% 5,835 $394K
Police & Firemen's Retirement System of New Jersey 0.00% Add +18.1% 5,828 $393K
Savant Capital, LLC 0.00% Reduce -7.1% 5,736 $387K
Ascent Group, LLC 0.01% Reduce -0.4% 5,598 $378K
FMB Wealth Management 0.14% No change 5,592 $377K
State Board of Administration of Florida Retirement System 0.00% No change 5,526 $373K
Intech Investment Management LLC 0.00% Add +6.1% 5,397 $364K
Envestnet Asset Management Inc. 0.00% Reduce -8.9% 5,328 $360K
Hillsdale Investment Management Inc. 0.01% Add +11.5% 5,150 $348K
State of New Jersey Common Pension Fund D 0.00% Add +6.9% 5,113 $345K
Barclays PLC 0.00% Reduce -31.4% 5,107 $345K
Ancora Advisors LLC 0.01% New 5,000 $338K
Marex Group Ltd 0.00% New 4,962 $335K
Susquehanna Portfolio Strategies, LLC 0.01% Reduce -86.4% 4,882 $330K
China Universal Asset Management Co., Ltd. 0.02% Reduce -24.9% 4,631 $313K
Latash Investments, LLC 0.22% No change 4,393 $297K
Arizona State Retirement System 0.00% Add +13.5% 4,363 $295K
Allen Capital Group, LLC 0.02% Reduce -2.1% 4,039 $273K
Moran Wealth Management, LLC 0.01% Reduce -2.0% 3,981 $269K
Mitsubishi UFJ Trust & Banking Corp 0.00% New 3,872 $261K
Royal Bank of Canada 0.00% Reduce -11.3% 3,740 $252K
ADAR1 Capital Management, LLC 0.01% No change 3,698 $250K
Public Employees Retirement Association of Colorado 0.00% Reduce -24.9% 3,652 $247K
Swiss Life Asset Management Ltd 0.00% New 3,621 $244K
Vanguard Investments Australia, Ltd. 0.00% No change 3,575 $241K
nVerses Capital, LLC 0.37% New 3,557 $240K
ProShare Advisors LLC 0.00% Reduce -8.8% 3,544 $239K
Verdad Advisers, LP 0.23% New 3,498 $236K
Mangrove Partners Im, LLC 0.02% Reduce -6.3% 3,475 $235K
E Fund Management Co., Ltd. 0.00% New 3,083 $208K
Kestra Advisory Services, LLC 0.00% New 3,066 $207K
Rangeley Capital, LLC 0.20% New 3,000 $203K
KLP Kapitalforvaltning As 0.00% No change 3,000 $203K
State of Wyoming 0.02% New 2,347 $158K
Osaic Holdings, Inc. 0.00% Add +6.4% 2,177 $147K
Group One Trading LLC 0.00% Add +468.2% 2,074 $140K
Ameritas Investment Partners, Inc. 0.00% Add +20.0% 1,793 $121K
CANADA LIFE ASSURANCE Co 0.00% Add +126.4% 1,698 $114K
Larson Financial Group LLC 0.00% Reduce -0.1% 1,624 $110K
US Bancorp \de 0.00% Reduce -2.5% 1,595 $108K
Bessemer Group Inc. 0.00% No change 1,428 $96K
Mirae Asset Global Investments Co., Ltd. 0.00% Reduce -9.9% 1,301 $88K
Simplex Trading, LLC 0.00% New 1,267 $86K
Spire Wealth Management 0.00% Add +200.0% 1,200 $81K
Tower Research Capital LLC (TRC) 0.00% Reduce -66.5% 970 $65K
Smartleaf Asset Management LLC 0.00% No change 840 $55K
Nisa Investment Advisors, LLC 0.00% Reduce -6.0% 610 $41K
GF Fund Management Co. LTD. 0.00% Reduce -7.3% 576 $39K
Persistent Asset Partners Ltd 0.01% New 575 $39K
Versant Capital Management, Inc 0.00% No change 454 $31K
GAMMA Investing LLC 0.00% Add +1.1% 447 $30K
Farther Finance Advisors, LLC 0.00% Add +2.9% 395 $27K
Pacer Advisors, Inc. 0.00% New 365 $25K
Signaturefd, LLC 0.00% Reduce -3.0% 355 $24K
Pinnacle Wealth Planning Services, Inc. 0.00% No change 334 $23K
Caitong International Asset Management Co., Ltd 0.00% Reduce -87.6% 289 $20K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Reduce -3.9% 247 $17K
Silver Grove Financial Group, Inc. 0.01% New 205 $14K
Arax Advisory Partners 0.00% New 176 $12K
Quantbot Technologies LP 0.00% Reduce -68.7% 175 $12K
Rothschild Investment LLC 0.00% No change 165 $11K
Rockefeller Capital Management L.P. 0.00% Reduce -53.1% 153 $10K
Allworth Financial LP 0.00% Reduce -2.6% 150 $10K
PNC Financial Services Group, Inc. 0.00% Reduce -4.6% 104 $7K
Physician Wealth Advisors, Inc. 0.00% No change 85 $6K
Basecamp Wealth Advisors LLC 0.00% Reduce -7.8% 83 $6K
Sterling Capital Management LLC 0.00% Reduce -41.5% 69 $5K
EverSource Wealth Advisors, LLC 0.00% Reduce -92.8% 65 $4K
Parallel Advisors, LLC 0.00% Reduce -16.7% 55 $4K
Hollencrest Capital Management 0.00% No change 50 $3K
Optiver Holding B.V. 0.00% New 45 $3K
Decker Retirement Planning Inc. 0.00% New 43 $3K
Steward Partners Investment Advisory, LLC 0.00% No change 43 $3K
MassMutual Private Wealth & Trust, FSB 0.00% Reduce -19.6% 37 $2K
Assetmark, Inc. 0.00% No change 36 $2K
Global Retirement Partners, LLC 0.00% — 36 $2K
Quarry LP 0.00% New 29 $2K
Parkside Financial Bank & Trust 0.00% No change 25 $2K
Blue Trust, Inc. 0.00% No change 19 $1K
Essential Partners LLC 0.00% Reduce -48.5% 17 $1K
Covestor Ltd 0.00% Add +350.0% 9 $1K
Stone House Investment Management, LLC 0.00% No change 12 $810
National Bank of Canada 0.00% New 8 $540
Fifth Third Bancorp 0.00% New 6 $405
True Wealth Design, LLC 0.00% No change 4 $270
IFP Advisors, Inc 0.00% No change 1 $68
TFC Financial Management, Inc. 0.00% No change 1 $68
Avion Wealth 0.00% New 7 $0

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