13F

Stock

Keros Therapeutics, Inc.

KROS · held by 165 managers

Reported value

$391.6M

Holders

165

+3 new · −1 exited

Holders’ est. mark

$1.93M

Price effect on 7 books still in the name

Largest holder

$46.6M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.2.29M$46.6M—Held
Vanguard1.53M$31.1M—Held
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1.33M$27.2M—Held
State Street1.08M$21.9M—Held
Madison Avenue Partners, LP823.7K$16.8M—Held
ORBIMED ADVISORS LLC804.2K$16.4M—Held
Qube Research & Technologies Ltd783.9K$16M—Held
JACOBS LEVY EQUITY MANAGEMENT, INC768.4K$15.6M—Held
D. E. Shaw & Co., Inc.755.5K$15.4M—Held
FEDERATED HERMES, INC.654.7K$13.3M—Held
GEODE CAPITAL MANAGEMENT, LLC635.2K$12.9M—Held
Renaissance Technologies591.7K$12M—Held
GOLDMAN SACHS GROUP INC590.5K$12M—Held
Citadel472.5K$9.62M—Held
Nantahala Capital Management, LLC360.4K$7.34M—Held
Connor, Clark & Lunn Investment Management Ltd.321.3K$6.54M—Held
TWO SIGMA INVESTMENTS, LP318.4K$6.48M—Held
Weiss Asset Management LP254.1K$5.17M—New
NORTHERN TRUST CORP250.6K$5.1M—Held
MORGAN STANLEY230.5K$4.69M$1.05MCut−$1.56M
MILLENNIUM MANAGEMENT LLC220.2K$4.48M—Held
DEUTSCHE BANK AG\195.3K$3.98M—Held
Man Group plc190.2K$3.87M—Held
CHARLES SCHWAB INVESTMENT MANAGEMENT INC186.8K$3.8M—Held
Icahn Capital180.5K$3.68M—Held
TWO SIGMA ADVISERS, LP171.8K$3.5M—Held
JANE STREET GROUP, LLC162K$3.3M—Held
Jump Financial, LLC161.1K$3.28M—Held
NOMURA HOLDINGS INC156.8K$3.19M—Held
AMERIPRISE FINANCIAL INC122.8K$2.5M—Held
PANAGORA ASSET MANAGEMENT INC122.8K$2.5M—Held
Bank of New York Mellon Corp121.6K$2.48M—Held
Y-Intercept (Hong Kong) Ltd117.4K$2.39M—Held
PDT Partners, LLC112.2K$2.28M—Held
BANK OF AMERICA CORP /DE/100.1K$2.04M$454.5KCut−$1.54M
UBS Group AG97.1K$1.98M—Held
Rangeley Capital, LLC96.8K$1.97M—Held
Invesco Ltd.87.4K$1.78M—Held
RBF Capital, LLC81.7K$1.66M—Held
Russell Investments Group, Ltd.80.8K$1.64M—Held
BARCLAYS PLC74.7K$1.52M$339.3KCut−$46.3K
Nuveen, LLC63.1K$1.28M—Held
Engineers Gate Manager LP62.4K$1.27M—Held
BRIDGEWAY CAPITAL MANAGEMENT, LLC60.1K$1.22M—Held
DIMENSIONAL FUND ADVISORS LP58K$1.18M—Held
MACKENZIE FINANCIAL CORP51.4K$1.04M—Held
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO50.3K$1.02M—Held
RHUMBLINE ADVISERS44.2K$900.6K—Held
CANADA PENSION PLAN INVESTMENT BOARD44.1K$897.9K—Held
MASSACHUSETTS FINANCIAL SERVICES CO /MA/43.7K$889.6K—Held
HUSSMAN STRATEGIC ADVISORS, INC.42K$855.1K—Held
MARTINGALE ASSET MANAGEMENT L P39.4K$801.8K—Held
Point72 Asset Management, L.P.38.8K$790.9K—Held
AMERICAN CENTURY COMPANIES INC36.6K$746K—Held
Fidelity35.6K$724.8K—Held
WELLS FARGO & COMPANY/MN32.8K$667K—Held
AlphaQuest LLC32.1K$653.4K—Held
Cambria Investment Management, L.P.31.3K$637.5K—New
ALLIANCEBERNSTEIN L.P.30.9K$628.3K—Held
Rafferty Asset Management, LLC30.3K$616.5K—Held
Caption Management, LLC29.5K$600.6K—Held
STRS OHIO29.3K$596.5K—Held
TUDOR INVESTMENT CORP ET AL28.3K$576.3K$88.6KAdded$267.4K
FRANKLIN RESOURCES INC27.6K$561.6K—Held
FOX RUN MANAGEMENT, L.L.C.25.7K$522.8K—Held
LOS ANGELES CAPITAL MANAGEMENT LLC33.8K$507.6K—Held
Brooklyn Investment Group23.8K$490K—Held
Creative Planning23.1K$470.9K—Held
WINTON GROUP Ltd21.6K$439.6K—Held
OXFORD ASSET MANAGEMENT LLP21.5K$437.9K—New
Quantinno Capital Management LP21.1K$430K—Held
STATE OF WISCONSIN INVESTMENT BOARD19.8K$403.8K—Held
Quantedge Capital Pte Ltd19.3K$392.8K—Held
ADAR1 Capital Management, LLC18.9K$383.8K—Held
JPMORGAN CHASE & CO18.6K$379.5K—Held
Entropy Technologies, LP17.9K$364.3K—Held
Campbell & CO Investment Adviser LLC17.6K$358.9K—Held
Polymer Capital Management (US) LLC17.5K$356.2K—Held
Legato Capital Management LLC17K$345.6K—Held
Integrated Quantitative Investments LLC17K$345.6K—Held
MetLife Investment Management, LLC16.7K$339.6K—Held
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.15.3K$311.7K—Held
Mariner, LLC15.2K$309.7K—Held
EJF Capital LP15K$305.4K—Held
Abacus Wealth Partners, LLC14.1K$287.3K—Held
PRELUDE CAPITAL MANAGEMENT, LLC13.6K$277.7K—Held
SUSQUEHANNA INTERNATIONAL GROUP, LLP13.4K$272.6K—Held
ExodusPoint Capital Management, LP13.4K$272K—Held
INTECH INVESTMENT MANAGEMENT LLC13.3K$270.1K—Held
VARCOV Co.12.8K$260.8K—Held
Virtus Investment Advisers, LLC12.4K$251.8K—Held
PROFUND ADVISORS LLC11.5K$233.8K—Held
Cornerstone Investment Partners, LLC11.2K$227K—Held
NEW YORK STATE COMMON RETIREMENT FUND10.6K$216.1K—Held
XTX Topco Ltd10.4K$212.2K—Held
AMERICAN FINANCIAL GROUP INC10.1K$205.7K—Held
EQUITEC PROPRIETARY MARKETS, LLC8.6K$175.1K—Held
Police & Firemen's Retirement System of New Jersey7.7K$156.8K—Held
CITIGROUP INC7.11K$144.7K—Held
Sterling Capital Management LLC7.02K$143K—Held
ROYAL BANK OF CANADA5.68K$116K—Held
China Universal Asset Management Co., Ltd.4.96K$101.1K—Held
BNP PARIBAS FINANCIAL MARKETS4.31K$87.8K—Held
NISA INVESTMENT ADVISORS, LLC2.68K$54.5K—Held
Legal & General Group Plc2.62K$53.4K—Held
OSAIC HOLDINGS, INC.2.4K$48.8K—Held
Ameritas Investment Partners, Inc.2.37K$48.3K—Held
SIGNATUREFD, LLC1.96K$39.9K—Held
Tower Research Capital LLC (TRC)1.84K$37.4K—Held
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM1.8K$36.6K—Held
Caitong International Asset Management Co., Ltd1.62K$33.1K—Held
Mirae Asset Global Investments Co., Ltd.1.48K$30.1K—Held
Financial Management Professionals, Inc.1.44K$29.4K—Held
JONES FINANCIAL COMPANIES LLLP1.4K$28.4K—Held
Kestra Advisory Services, LLC1K$20.4K—Held
Farther Finance Advisors, LLC622$12.7K—Held
Allworth Financial LP608$12.4K$2.76KAdded$1.91K
GF FUND MANAGEMENT CO. LTD.598$12.2K—Held
Pinnacle Wealth Planning Services, Inc.541$11K—Held
US BANCORP \DE\534$10.9K—Held
Private Wealth Asset Management, LLC500$10.2K—Held
Smartleaf Asset Management LLC394$7.99K—Held
PNC Financial Services Group, Inc.317$6.45K—Held
GAMMA Investing LLC314$6.39K—Held
HRT FINANCIAL LP260.9K$5.31K—Held
QUADRANT CAPITAL GROUP LLC251$5.11K—Held
Larson Financial Group LLC245$4.99K—Held
Sachetta, LLC244$4.97K—Held
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC234$4.76K—Held
EverSource Wealth Advisors, LLC203$4.13K—Held
ALGERT GLOBAL LLC193.6K$3.94K—Held
Essential Partners LLC183$3.73K$831Cut−$11.2K
WHITTIER TRUST CO200$3.56K—Held
Optiver Holding B.V.169$3.44K—Held
ROTHSCHILD INVESTMENT LLC164$3.34K—Held
BESSEMER GROUP INC143.9K$2.93K—Held
Rockefeller Capital Management L.P.126$2.56K—Held
SG Americas Securities, LLC98.7K$2.01K—Held
IFP Advisors, Inc81$1.65K$131Added$1.19K
True Wealth Design, LLC72$1.47K—Held
Red Tortoise LLC56$1.14K—Held
Parkside Financial Bank & Trust55$1.12K—Held
GSA CAPITAL PARTNERS LLP51.3K$1.04K—Held
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO46$937—Held
Cornerstone Financial Management LLC44$896—Held
Private Wealth Management Group, LLC39$795—Held
PRICE T ROWE ASSOCIATES INC /MD/29.7K$605—Held
Global Retirement Partners, LLC29$590—Held
DekaBank Deutsche Girozentrale7.55K$531—Held
WPG Advisers, LLC24$489—Held
LSV ASSET MANAGEMENT23.1K$470—Held
Penserra Capital Management LLC18.8K$383—Held
Arax Advisory Partners16$326—Held
Torren Management, LLC11$224—Held
Sunbelt Securities, Inc.10$204—Held
SJS Investment Consulting Inc.4$82—Held
CWM, LLC3.83K$78—Held
Clearstead Advisors, LLC3$62—Held
SBI Securities Co., Ltd.2$41—Held
Quantbot Technologies LP1$20—Held
AMALGAMATED BANK918$19—Held
Daiwa Securities Group Inc.133$3—Held
Capital Advisors, Ltd. LLC30$1—Held
Avion Wealth36$0—Held
Covestor Ltd5$0—Held

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.