13F

Stock

Anaptysbio, Inc

ANAB · held by 179 managers

Reported value

$1.41B

Holders

179

+1 new · −1 exited

Holders’ est. mark

$22.3M

Price effect on 8 books still in the name

Largest holder

$382M

EcoR1 Capital, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
EcoR1 Capital, LLC7.88M$382MHeld
Point72 Asset Management, L.P.1.93M$93.7MHeld
BlackRock, Inc.1.73M$84.1MHeld
Vanguard1.54M$74.9MHeld
TANG CAPITAL MANAGEMENT LLC1.33M$64.6MHeld
State Street1.05M$51.1MHeld
MORGAN STANLEY1.03M$50.2M$18.5MAdded$2.5M
Sanofi821.9K$39.8MHeld
MILLENNIUM MANAGEMENT LLC813.6K$39.4MHeld
Palo Alto Investors LP690K$33.5MHeld
D. E. Shaw & Co., Inc.670.3K$32.5MHeld
683 Capital Management, LLC648.1K$31.4MHeld
First Light Asset Management, LLC646.2K$31.3MHeld
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP559.7K$27.1MHeld
Woodline Partners LP501K$24.3MHeld
GEODE CAPITAL MANAGEMENT, LLC469.5K$22.8MHeld
Affinity Asset Advisors, LLC444.7K$21.6MHeld
GOLDMAN SACHS GROUP INC398.9K$19.3MHeld
TWO SIGMA ADVISERS, LP356.7K$17.3MHeld
Nuveen, LLC316.7K$15.4MHeld
FEDERATED HERMES, INC.299.4K$14.5MHeld
Sofinnova Investments, Inc.287.7K$13.9MHeld
TWO SIGMA INVESTMENTS, LP256.6K$12.4MHeld
VOLORIDGE INVESTMENT MANAGEMENT, LLC229.1K$11.1MHeld
Ensign Peak Advisors, Inc215.5K$10.4MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC198.7K$9.63MHeld
NORTHERN TRUST CORP181.9K$8.82MHeld
BNP PARIBAS FINANCIAL MARKETS164.8K$7.99MHeld
Squarepoint Ops LLC160.7K$7.79MHeld
Soleus Capital Management, L.P.135K$6.54MHeld
BANK OF AMERICA CORP /DE/130.8K$6.34M$2.27MAdded$2.44M
Granahan Investment Management, LLC125.9K$6.1MHeld
Invesco Ltd.124K$6.01MHeld
Connor, Clark & Lunn Investment Management Ltd.122.5K$5.94MHeld
Eversept Partners, LP120.9K$5.86MHeld
Jump Financial, LLC120.2K$5.83MHeld
VICTORY CAPITAL MANAGEMENT INC110.6K$5.36MHeld
Citadel109.5K$5.31MHeld
Qube Research & Technologies Ltd109K$5.28MHeld
HighMark Wealth Management LLC94K$4.56MHeld
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.93.7K$4.54MHeld
JANE STREET GROUP, LLC84.4K$4.09MHeld
ExodusPoint Capital Management, LP83.3K$4.04MHeld
Renaissance Technologies76.3K$3.7MHeld
CITIGROUP INC73.5K$3.56MHeld
UBS Group AG70K$3.4MHeld
WELLINGTON MANAGEMENT GROUP LLP61.2K$2.97MHeld
BARCLAYS PLC59.7K$2.89M$1.07MAdded$949.1K
Trexquant Investment LP58.8K$2.85MHeld
Fisher Asset Management, LLC56.6K$2.74MHeld
Bank of New York Mellon Corp55.3K$2.68MHeld
JACOBS LEVY EQUITY MANAGEMENT, INC55.1K$2.67MHeld
Moody Aldrich Partners LLC47.6K$2.31MHeld
Bleakley Financial Group, LLC43.5K$2.11MHeld
PDT Partners, LLC43K$2.08MHeld
CREDIT AGRICOLE S A40K$1.94MHeld
XTX Topco Ltd38.6K$1.87MHeld
Susquehanna Portfolio Strategies, LLC35.9K$1.74MHeld
Rafferty Asset Management, LLC35.3K$1.71MHeld
DCF Advisers, LLC35.3K$1.71MHeld
Y-Intercept (Hong Kong) Ltd33.1K$1.6MHeld
ALLIANCEBERNSTEIN L.P.30.5K$1.48MHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC30.5K$1.48MHeld
OSAIC HOLDINGS, INC.27.7K$1.34MHeld
Swiss National Bank27.6K$1.34MHeld
Fidelity27.1K$1.31MHeld
Icahn Capital26.3K$1.28MHeld
Campbell & CO Investment Adviser LLC25.4K$1.23MHeld
Headlands Technologies LLC25.3K$1.23MHeld
RHUMBLINE ADVISERS25K$1.21MHeld
Schonfeld Strategic Advisors LLC24.4K$1.18MHeld
Quadrature Capital Ltd24.3K$1.18MHeld
MACKENZIE FINANCIAL CORP24.2K$1.17MHeld
NEOS Investment Management LLC22.9K$1.11MHeld
TEMA ETFS LLC22.6K$1.09MHeld
WELLS FARGO & COMPANY/MN22.2K$1.08MHeld
PANAGORA ASSET MANAGEMENT INC20.9K$1.01MHeld
Russell Investments Group, Ltd.19.7K$955.8KHeld
Legal & General Group Plc18.2K$881.4KHeld
TUDOR INVESTMENT CORP ET AL17.3K$838.9K$247.7KAdded$414.3K
Creative Planning15.3K$739.5KHeld
Cresset Asset Management, LLC15.1K$733.1K$270.1KAdded$250.7K
Orion Porfolio Solutions, LLC14.7K$712.5KHeld
DEUTSCHE BANK AG\14.4K$697.2KHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM14.1K$685.4KHeld
PROFUND ADVISORS LLC13.1K$634.5KHeld
VOYA INVESTMENT MANAGEMENT LLC12.8K$618.6KHeld
LOS ANGELES CAPITAL MANAGEMENT LLC15.1K$550.7KHeld
JPMORGAN CHASE & CO10.9K$529.2KHeld
Engineers Gate Manager LP10.9K$527.5KHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.10.6K$515.4KHeld
MetLife Investment Management, LLC10.3K$500.7KHeld
Zurcher Kantonalbank (Zurich Cantonalbank)9.29K$450.2KHeld
NEW YORK STATE COMMON RETIREMENT FUND9.09K$440.6KHeld
STATE OF WISCONSIN INVESTMENT BOARD8.96K$434.1KHeld
Bridgefront Capital, LLC8.55K$414.5KHeld
Entropy Technologies, LP8.3K$402.4KHeld
Blueshift Asset Management, LLC7.85K$380.7KHeld
AlphaQuest LLC7.76K$376.3KHeld
China Universal Asset Management Co., Ltd.7.51K$364.2KHeld
JANUS HENDERSON GROUP PLC7.46K$362.2KHeld
GLENMEDE TRUST CO NA7.35K$356.1KHeld
INTECH INVESTMENT MANAGEMENT LLC6.92K$335.6KHeld
SummitTX Capital, L.P.6.53K$316.5KHeld
Duncan Williams Asset Management, LLC6.53K$315.7KHeld
Quantinno Capital Management LP6.43K$311.9KHeld
Savant Capital, LLC6.29K$305.2KNew
ENVESTNET ASSET MANAGEMENT INC6.1K$295.6KHeld
Virtus Investment Advisers, LLC5.92K$287KHeld
VIRGINIA RETIREMENT SYSTEMS ET Al5.85K$283.6KHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE5.68K$275.5KHeld
Ascent Group, LLC5.66K$274.5KHeld
Police & Firemen's Retirement System of New Jersey5.64K$273.5KHeld
FMB WEALTH MANAGEMENT5.59K$271.1KHeld
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM5.53K$267.9KHeld
SEI INVESTMENTS CO4.97K$240.8KHeld
ProShare Advisors LLC4.6K$222.9KHeld
nVerses Capital, LLC4.44K$215.2KHeld
Latash Investments, LLC4.39K$213KHeld
Aquatic Capital Management LLC3.17K$153.9KHeld
KLP KAPITALFORVALTNING AS3K$145.4KHeld
SBI Securities Co., Ltd.1.83K$88.9KHeld
ROYAL BANK OF CANADA1.72K$83KHeld
Ameritas Investment Partners, Inc.1.65K$79.8KHeld
US BANCORP \DE\1.64K$79.6KHeld
Larson Financial Group LLC1.62K$78.7KHeld
Caitong International Asset Management Co., Ltd1.53K$74.2KHeld
Mirae Asset Global Investments Co., Ltd.1.34K$65.2KHeld
NISA INVESTMENT ADVISORS, LLC963$46.7KHeld
EverSource Wealth Advisors, LLC875$42.4KHeld
Smartleaf Asset Management LLC835$40.3KHeld
Tower Research Capital LLC (TRC)727$35.2KHeld
GF FUND MANAGEMENT CO. LTD.543$26.3KHeld
Versant Capital Management, Inc454$22KHeld
Farther Finance Advisors, LLC384$18.6KHeld
GAMMA Investing LLC384$18.6KHeld
SIGNATUREFD, LLC352$17.1KHeld
Pinnacle Wealth Planning Services, Inc.334$16.2KHeld
WHITTIER TRUST CO224$9.84KHeld
QUADRANT CAPITAL GROUP LLC175$8.48KHeld
ROTHSCHILD INVESTMENT LLC165$8KHeld
Allworth Financial LP143$6.93K$2.55KCut−$13.6K
Aster Capital Management (DIFC) Ltd125$6.06KHeld
HRT FINANCIAL LP122.6K$5.94KHeld
Sterling Capital Management LLC116$5.62KHeld
PNC Financial Services Group, Inc.104$5.04KHeld
Physician Wealth Advisors, Inc.85$4.12KHeld
Rockefeller Capital Management L.P.65$3.15KHeld
Penserra Capital Management LLC56.4K$2.73KHeld
Parallel Advisors, LLC55$2.67KHeld
Optiver Holding B.V.54$2.62KHeld
Steward Partners Investment Advisory, LLC43$2.08KHeld
ASSETMARK, INC36$1.75KHeld
Essential Partners LLC33$1.6K$590Added$590
PRICE T ROWE ASSOCIATES INC /MD/26K$1.26KHeld
Parkside Financial Bank & Trust25$1.21KHeld
Blue Trust, Inc.19$921Held
ALGERT GLOBAL LLC16.4K$795Held
Stone House Investment Management, LLC13$630Held
MassMutual Private Wealth & Trust, FSB12$582Held
GSA CAPITAL PARTNERS LLP10.7K$518Held
SG Americas Securities, LLC10.4K$506Held
MAI Capital Management10$485Held
Arax Advisory Partners8$388Held
ACADIAN ASSET MANAGEMENT LLC5.81K$280Held
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO4.86K$236Held
True Wealth Design, LLC4$194Held
Sunbelt Securities, Inc.4$194Held
BESSEMER GROUP INC1.46K$71Held
TFC Financial Management, Inc.1$49Held
CWM, LLC1.01K$49Held
IFP Advisors, Inc1$48$17Added$17
CIBC Private Wealth Group LLC1$48Held
CANADA LIFE ASSURANCE Co750$36Held
AMALGAMATED BANK580$28Held
BNP PARIBAS ASSET MANAGEMENT Holding S.A.238$12Held
Daiwa Securities Group Inc.75$4Held
Covestor Ltd5$0Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.