13F

Stock

Anaptysbio, Inc

ANAB · held by 206 managers

Reported value

$1.54B

Holders

206

+45 new · −21 exited

Holders’ est. mark

$145.9M

Price effect on 155 books still in the name

Largest holder

$437M

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$437M$55MAdded$55M
BlackRock, Inc.1.68M$93.2M$11.7MAdded$9.16M
TANG CAPITAL MANAGEMENT LLC1.33M$73.8M$9.29MAdded$9.23M
MORGAN STANLEY993.9K$55.1M$6.94MAdded$4.97M
State Street992.4K$55M$6.93MAdded$3.97M
Affinity Asset Advisors, LLC940K$52.1M$3.1MAdded$30.6M
VANGUARD CAPITAL MANAGEMENT LLC853.2K$47.3MHeld
Palo Alto Investors LP638.2K$35.4M$4.45MAdded$1.94M
683 Capital Management, LLC625K$34.7M$4.36MAdded$3.24M
D. E. Shaw & Co., Inc.579.3K$32.1M$4.04MCut−$367.8K
First Light Asset Management, LLC565.4K$31.4M$3.95MAdded$29.2K
Sanofi821.9K$30.4M−$9.46MCut−$9.46M
GEODE CAPITAL MANAGEMENT, LLC520.2K$28.9M$3.28MAdded$6.09M
VANGUARD PORTFOLIO MANAGEMENT LLC519.9K$28.8MHeld
BANK OF AMERICA CORP /DE/501.1K$27.8M$912.8KAdded$21.5M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP492.1K$27.3M$3.43MAdded$156.6K
MILLENNIUM MANAGEMENT LLC475.6K$26.4M$3.32MCut−$13.1M
Fidelity472.7K$26.2M$189.2KAdded$24.9M
TWO SIGMA INVESTMENTS, LP465.1K$25.8M$1.79MAdded$13.4M
FEDERATED HERMES, INC.364.1K$20.2M$2.09MAdded$5.68M
Woodline Partners LP344.3K$19.1M$2.4MCut−$5.2M
GOLDMAN SACHS GROUP INC332.7K$18.5M$2.32MCut−$885.4K
Synergy Asset Management, LLC317.1K$17.6MNew
Nuveen, LLC316.1K$17.5M$2.21MAdded$2.18M
Squarepoint Ops LLC267.7K$14.8M$1.12MAdded$7.05M
Qube Research & Technologies Ltd254.7K$14.1M$760.6KAdded$8.85M
Sofinnova Investments, Inc.248.3K$13.8M$1.73MCut−$179.1K
Apis Capital Advisors, LLC238K$13.2MNew
Citadel233.4K$12.9M$764.2KAdded$7.64M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC192.7K$10.7M$1.34MAdded$1.06M
NORTHERN TRUST CORP183.5K$10.2M$1.27MAdded$1.36M
Connor, Clark & Lunn Investment Management Ltd.158.6K$8.79M$854.9KAdded$2.86M
VANGUARD FIDUCIARY TRUST CO135.1K$7.49MHeld
HSBC HOLDINGS PLC125.7K$7.14MNew
Ensign Peak Advisors, Inc125.6K$6.97M$876.9KCut−$3.48M
Invesco Ltd.121.1K$6.72M$845.3KAdded$704.6K
VICTORY CAPITAL MANAGEMENT INC108.2K$6M$755.3KAdded$639.9K
BNP PARIBAS FINANCIAL MARKETS97K$5.38M$676.9KCut−$2.61M
HighMark Wealth Management LLC94K$5.22M$656.5KAdded$656.5K
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.93.7K$5.2M$654KAdded$654K
Renaissance Technologies90.9K$5.04M$532.6KAdded$1.34M
JANE STREET GROUP, LLC86K$4.77M$589.4KAdded$677.7K
Trexquant Investment LP85.2K$4.72M$410.5KAdded$1.87M
UBS Group AG79.7K$4.42M$488.8KAdded$1.02M
VOLORIDGE INVESTMENT MANAGEMENT, LLC79K$4.38M$551.1KCut−$6.73M
CITIGROUP INC73.4K$4.07M$512.4KAdded$510.1K
MARSHALL WACE, LLP68K$3.77MNew
Granahan Investment Management, LLC66.2K$3.67M$462KCut−$2.43M
FRANKLIN RESOURCES INC65.8K$3.65MNew
PRUDENTIAL FINANCIAL INC64K$3.55MNew
Fisher Asset Management, LLC56.6K$3.14M$394.8KAdded$396.6K
Point72 Asset Management, L.P.55.3K$3.07M$386KCut−$90.6M
DEUTSCHE BANK AG\52K$2.89M$100.4KAdded$2.19M
Bank of New York Mellon Corp51.1K$2.83M$356.8KAdded$151.7K
XTX Topco Ltd50.5K$2.8M$269.7KAdded$929.7K
WELLINGTON MANAGEMENT GROUP LLP46.9K$2.6M$327.2KCut−$366.3K
Bleakley Financial Group, LLC43.1K$2.39M$301KAdded$280.3K
Moody Aldrich Partners LLC39.5K$2.19M$275.4KCut−$119.5K
Tidal Investments LLC36.4K$2.02MNew
Susquehanna Portfolio Strategies, LLC35.9K$1.99M$250.9KAdded$250.9K
MACKENZIE FINANCIAL CORP33.7K$1.87M$177.5KAdded$703.9K
WELLS FARGO & COMPANY/MN33.2K$1.84M$155KAdded$763.6K
Icahn Capital32.5K$1.8M$183.6KAdded$525.2K
TEMA ETFS LLC31.1K$1.72M$157.5KAdded$629.4K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC30.7K$1.7M$212.9KAdded$225.1K
JACOBS LEVY EQUITY MANAGEMENT, INC28.6K$1.59M$199.8KCut−$1.08M
MARTINGALE ASSET MANAGEMENT L P28.1K$1.56MNew
Engineers Gate Manager LP27.8K$1.54M$75.9KAdded$1.02M
STATE OF WISCONSIN INVESTMENT BOARD27.6K$1.53M$62.5KAdded$1.1M
Swiss National Bank27.6K$1.53M$192.6KAdded$192.6K
ALLIANCEBERNSTEIN L.P.31.3K$1.52M−$0Added$38.8K
Rafferty Asset Management, LLC27.2K$1.51M$190.2KCut−$200.6K
Eversept Partners, LP27.1K$1.5M$189.1KCut−$4.36M
SUSQUEHANNA INTERNATIONAL GROUP, LLP26.6K$1.47MNew
Headlands Technologies LLC24.6K$1.36M$171.4KAdded$136.5K
RHUMBLINE ADVISERS23.8K$1.32M$166.5KAdded$109.1K
Y-Intercept (Hong Kong) Ltd22.7K$1.26M$158.5KCut−$345.7K
J. Goldman & Co LP21.2K$1.18MNew
HUSSMAN STRATEGIC ADVISORS, INC.21K$1.16MNew
CREDIT AGRICOLE S A20K$1.11M$139.6KCut−$830K
DCF Advisers, LLC18.8K$1.04M$131.1KCut−$667.7K
Walleye Capital LLC18.4K$1.02MNew
PDT Partners, LLC17.6K$975.8K$122.8KCut−$1.11M
Creative Planning16.8K$933.7K$106.5KAdded$194.2K
LOS ANGELES CAPITAL MANAGEMENT LLC15.7K$868.7K$286.8KAdded$318K
CANADA PENSION PLAN INVESTMENT BOARD14.9K$826.4KNew
TWINBEECH CAPITAL LP14.5K$805.2KNew
VOYA INVESTMENT MANAGEMENT LLC14.3K$795.6K$89.1KAdded$177K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM14K$776.4K$97.7KAdded$91K
Gotham Asset Management, LLC14K$774.9KNew
Cresset Asset Management, LLC13.9K$769.1K$96.8KAdded$36.1K
Legal & General Group Plc13.8K$767.1K$96.5KCut−$114.3K
Brookwood Investment Group LLC13.4K$741.1KNew
Russell Investments Group, Ltd.13.3K$737K$92.7KCut−$218.8K
Orion Porfolio Solutions, LLC13.1K$728.1K$91.6KAdded$15.6K
OXFORD ASSET MANAGEMENT LLP12.7K$703KNew
PROFUND ADVISORS LLC12.2K$676.7K$85.2KAdded$42.2K
Vanguard Global Advisers, LLC11.8K$651.9KHeld
JPMORGAN CHASE & CO11.6K$645K$75.4KAdded$115.8K
Brevan Howard Capital Management LP11K$611.6KNew
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.10.5K$581.4K$73.6KAdded$66.1K
MetLife Investment Management, LLC10.2K$564.2K$71KAdded$63.5K
MANUFACTURERS LIFE INSURANCE COMPANY, THE10.2K$563.8K$39.7KAdded$288.3K
VANGUARD ASSET MANAGEMENT, Ltd9.69K$537.4KHeld
Zurcher Kantonalbank (Zurich Cantonalbank)9.6K$532.4K$64.8KAdded$82.2K
SEI INVESTMENTS CO7.65K$424.5K$34.7KAdded$183.7K
Ground Swell Capital, LLC7.61K$422.1KNew
JANUS HENDERSON GROUP PLC7.46K$413.9K$51.7KAdded$51.7K
BARCLAYS PLC7.44K$412.6K$51.9KCut−$2.48M
ExodusPoint Capital Management, LP7.26K$402.6K$50.7KCut−$3.64M
NEW YORK STATE COMMON RETIREMENT FUND6.99K$387.6K$48.8KCut−$53K
Duncan Williams Asset Management, LLC6.53K$361.9K$46.2KAdded$46.2K
Vinva Investment Management Ltd4.38K$354.2KNew
GLENMEDE TRUST CO NA6.38K$353.9K$44.5KCut−$2.24K
Savant Capital, LLC6.17K$342.4K$43.1KAdded$37.2K
China Universal Asset Management Co., Ltd.6.16K$341.9K$43KCut−$22.3K
Quantinno Capital Management LP6.08K$337.4K$42.5KAdded$25.5K
Virtus Investment Advisers, LLC6.07K$336.5K$41.3KAdded$49.5K
Soleus Capital Management, L.P.6K$332.8K$41.9KCut−$6.21M
ENVESTNET ASSET MANAGEMENT INC5.85K$324.5K$40.8KAdded$28.9K
Ascent Group, LLC5.62K$311.8K$39.2KAdded$37.3K
Integrated Quantitative Investments LLC5.61K$310.9KNew
FMB WEALTH MANAGEMENT5.59K$310.1K$39KAdded$39K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM5.53K$306.5K$38.6KAdded$38.6K
Bayforest Capital Ltd5.24K$290.8KNew
INTECH INVESTMENT MANAGEMENT LLC5.09K$282.1K$35.5KCut−$53.5K
TUDOR INVESTMENT CORP ET AL4.96K$275.2K$34.6KCut−$563.8K
Police & Firemen's Retirement System of New Jersey4.94K$273.8K$34.5KAdded$330
Balyasny Asset Management L.P.4.91K$272KNew
State of New Jersey Common Pension Fund D4.78K$265.3KNew
AXQ CAPITAL, LP4.71K$261.5KNew
Hillsdale Investment Management Inc.4.62K$256.2KNew
Latash Investments, LLC4.39K$243.6K$30.7KAdded$30.7K
Dynamic Technology Lab Private Ltd4.36K$241.8KNew
ROYAL BANK OF CANADA4.22K$234K$12.3KAdded$151K
Allen Capital Group, LLC4.12K$228.7KNew
Moran Wealth Management, LLC4.06K$225.4KNew
Jump Financial, LLC3.9K$216.3K$27.2KCut−$5.61M
ProShare Advisors LLC3.88K$215.4K$27.1KCut−$7.5K
ARIZONA STATE RETIREMENT SYSTEM3.85K$213.2KNew
MANGROVE PARTNERS IM, LLC3.71K$205.6KNew
ADAR1 Capital Management, LLC3.7K$205.1KNew
Vanguard Investments Australia, Ltd.3.58K$198.3KHeld
KLP KAPITALFORVALTNING AS3K$166.4K$20.9KAdded$20.9K
Tower Research Capital LLC (TRC)2.9K$160.7K$5.07KAdded$125.5K
Caitong International Asset Management Co., Ltd2.33K$129.2K$10.7KAdded$55K
OSAIC HOLDINGS, INC.2.05K$113.5K$14.3KCut−$1.23M
Aster Capital Management (DIFC) Ltd5.22K$97K−$3.74KAdded$90.9K
US BANCORP \DE\1.64K$90.7K$11.4KAdded$11.1K
Larson Financial Group LLC1.63K$90.2K$11.3KAdded$11.4K
Ameritas Investment Partners, Inc.1.49K$82.9K$10.4KAdded$3.01K
CWM, LLC1.01K$56.3K$56KAdded$56.2K
Mirae Asset Global Investments Co., Ltd.1.44K$53.4K−$15.5KCut−$11.8K
EverSource Wealth Advisors, LLC903$50.1K$6.11KAdded$7.66K
Smartleaf Asset Management LLC840$46.5K$5.98KAdded$6.26K
SBI Securities Co., Ltd.788$43.7K$5.5KCut−$45.2K
NISA INVESTMENT ADVISORS, LLC649$36K$4.53KCut−$10.7K
GF FUND MANAGEMENT CO. LTD.621$34.4K$3.79KAdded$8.12K
Quantbot Technologies LP559$31KNew
Versant Capital Management, Inc454$25.2K$3.17KAdded$3.17K
GAMMA Investing LLC442$24.5K$2.68KAdded$5.9K
Spire Wealth Management400$22.2KNew
Farther Finance Advisors, LLC384$21.8K$3.17KAdded$3.17K
SIGNATUREFD, LLC366$20.3K$2.46KAdded$3.23K
GROUP ONE TRADING LLC365$20.2KNew
Pinnacle Wealth Planning Services, Inc.334$18.5K$2.33KAdded$2.33K
NATIXIS333$18.5KNew
Rockefeller Capital Management L.P.326$18.1K$454Added$14.9K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.257$14.3K$13.2KAdded$14.2K
MEEDER ASSET MANAGEMENT INC240$13.3KNew
QUADRANT CAPITAL GROUP LLC177$9.82K$1.22KAdded$1.33K
ROTHSCHILD INVESTMENT LLC165$9.15K$1.15KAdded$1.15K
Allworth Financial LP154$8.54K$998Added$1.61K
Sterling Capital Management LLC118$6.54K$809Added$920
PNC Financial Services Group, Inc.109$6.04K$726Added$1K
Physician Wealth Advisors, Inc.85$4.71K$594Added$594
Wall Street Financial Group, Inc.75$4.16KNew
Parallel Advisors, LLC66$3.66K$384Added$994
HOLLENCREST CAPITAL MANAGEMENT50$2.77KNew
MassMutual Private Wealth & Trust, FSB46$2.55K$83Added$1.97K
Penserra Capital Management LLC43.4K$2.41K$303Cut−$323
Steward Partners Investment Advisory, LLC43$2.38K$300Added$300
HRT FINANCIAL LP40.5K$2.25K$283Cut−$3.7K
ASSETMARK, INC36$2K$252Added$252
Virtu Financial LLC33.3K$1.85KNew
Essential Partners LLC33$1.83K$230Added$230
PRICE T ROWE ASSOCIATES INC /MD/29.7K$1.65K$182Added$386
Parkside Financial Bank & Trust25$1.39K$175Added$175
SG Americas Securities, LLC24.9K$1.38K$72Added$872
Blue Trust, Inc.19$1.05K$133Added$133
Root Financial Partners, LLC16$887New
ACADIAN ASSET MANAGEMENT LLC13.2K$730$41Added$450
Stone House Investment Management, LLC12$666$84Added$36
MAI Capital Management11$611$70Added$126
Fortitude Family Office, LLC8$444New
TWIN PEAKS WEALTH ADVISORS, LLC5$277New
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO4.86K$270$34Added$34
Sunbelt Securities, Inc.4$222$28Added$28
True Wealth Design, LLC4$222$28Added$28
Advisory Services Network, LLC3$166New
BESSEMER GROUP INC1.43K$79$10Added$8
TFC Financial Management, Inc.1$56$7Added$7
Keating Financial Advisory Services, Inc.1$55New
IFP Advisors, Inc1$55$7Added$7
CANADA LIFE ASSURANCE Co750$42$6Added$6
Covestor Ltd2$0$0Held

Who left

Positions as of Q1 2026. 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.