13F

Stock

Keros Therapeutics, Inc.

KROS · held by 150 managers

Reported value

$201.6M

Holders

150

+22 new · −40 exited

Holders’ est. mark

−$122.5M

Price effect on 123 books still in the name

Largest holder

$26.6M

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.2.41M$26.6M−$21.3MCut−$20M
Nantahala Capital Management, LLC1.36M$15M−$3.36MAdded$7.68M
VANGUARD CAPITAL MANAGEMENT LLC831.4K$9.18MHeld
ORBIMED ADVISORS LLC759.2K$8.38M−$7.08MCut−$7.99M
Qube Research & Technologies Ltd724.9K$8M−$6.76MCut−$7.96M
JACOBS LEVY EQUITY MANAGEMENT, INC706.1K$7.8M−$6.58MCut−$7.85M
FEDERATED HERMES, INC.689.2K$7.61M−$6.1MCut−$5.72M
VANGUARD PORTFOLIO MANAGEMENT LLC682K$7.53MHeld
GEODE CAPITAL MANAGEMENT, LLC681.5K$7.52M−$5.92MCut−$5.41M
Madison Avenue Partners, LP626.6K$6.92M−$5.84MCut−$9.85M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP590.2K$6.52M−$5.5MCut−$20.7M
State Street561.7K$6.2M−$5.24MCut−$15.7M
D. E. Shaw & Co., Inc.509.6K$5.63M−$4.75MCut−$9.76M
Renaissance Technologies453.5K$5.01M−$4.23MCut−$7.04M
Citadel406.7K$4.49M−$3.79MCut−$5.13M
Icahn Capital406.6K$4.49M−$1.68MAdded$812.6K
TWO SIGMA INVESTMENTS, LP363.8K$4.02M−$2.97MCut−$2.47M
DIMENSIONAL FUND ADVISORS LP321.4K$3.55M−$540.8KAdded$2.37M
Nuveen, LLC262.1K$2.89M−$588.1KAdded$1.61M
Connor, Clark & Lunn Investment Management Ltd.257.9K$2.85M−$2.4MCut−$3.7M
NORTHERN TRUST CORP254.2K$2.81M−$2.34MCut−$2.3M
Man Group plc238.6K$2.63M−$1.77MCut−$1.24M
GOLDMAN SACHS GROUP INC224.5K$2.48M−$2.09MCut−$9.54M
BRIDGEWAY CAPITAL MANAGEMENT, LLC195K$2.15M−$559.9KAdded$929.8K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC180K$1.99M−$1.68MCut−$1.82M
LOS ANGELES CAPITAL MANAGEMENT LLC172.2K$1.9M−$134.7KAdded$1.39M
Y-Intercept (Hong Kong) Ltd164.5K$1.82M−$1.09MCut−$573.6K
MACKENZIE FINANCIAL CORP152.4K$1.68M−$472.2KAdded$643.5K
WELLS FARGO & COMPANY/MN151K$1.67M−$305.3KAdded$1M
UBS Group AG145.6K$1.61M−$904.8KCut−$369.5K
Empowered Funds, LLC145.5K$1.61MNew
VANGUARD FIDUCIARY TRUST CO127.3K$1.41MHeld
MORGAN STANLEY124.1K$1.37M−$1.16MCut−$3.32M
Bank of New York Mellon Corp120.9K$1.34M−$1.13MCut−$1.14M
Point72 Asset Management, L.P.109K$1.2M−$362.1KAdded$412.6K
MILLENNIUM MANAGEMENT LLC106.9K$1.18M−$995.9KCut−$3.3M
AMERIPRISE FINANCIAL INC102.5K$1.13M−$955.1KCut−$1.37M
ADAR1 Capital Management, LLC97.3K$1.07M−$175.7KAdded$690.6K
XTX Topco Ltd88.3K$975.1K−$97.2KAdded$762.8K
Invesco Ltd.87.8K$969K−$814.8KCut−$811K
Russell Investments Group, Ltd.81.3K$897.7K−$752.8KCut−$746.9K
AMERICAN CENTURY COMPANIES INC64.3K$709.4K−$341.5KCut−$36.6K
RBF Capital, LLC62.8K$693.3K−$585.3KCut−$970.6K
PRINCIPAL FINANCIAL GROUP INC59.6K$657.9KNew
ALLIANCEBERNSTEIN L.P.30.9K$628.3K$0Held
Rangeley Capital, LLC54.4K$600.6K−$507KCut−$1.37M
HSBC HOLDINGS PLC54K$598.7KNew
BANK OF AMERICA CORP /DE/53.7K$592.3K−$500.1KCut−$1.45M
DEUTSCHE BANK AG\50.8K$560.4K−$473.1KCut−$3.42M
STRS OHIO50.6K$558.6K−$273.1KCut−$37.9K
Jump Financial, LLC50.4K$556.3K−$469.7KCut−$2.72M
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO50.3K$555.6K−$469KCut−$469K
MASSACHUSETTS FINANCIAL SERVICES CO /MA/49K$540.9K−$407.2KCut−$348.7K
MARTINGALE ASSET MANAGEMENT L P47.6K$525.5K−$367KCut−$276.3K
PRELUDE CAPITAL MANAGEMENT, LLC46K$508.3K−$127.1KAdded$230.6K
JANE STREET GROUP, LLC44.5K$490.8K−$414.3KCut−$2.81M
CANADA PENSION PLAN INVESTMENT BOARD44.1K$486.9K−$411KCut−$411K
RHUMBLINE ADVISERS40.2K$443.5K−$374.4KCut−$457.1K
GLOBEFLEX CAPITAL L P37.9K$418.1KNew
JPMORGAN CHASE & CO37.7K$402.4K−$180.4KAdded$23K
WINTON GROUP Ltd36.4K$402.2K−$201.2KCut−$37.4K
PANAGORA ASSET MANAGEMENT INC34.7K$382.6K−$323KCut−$2.12M
AVIVA PLC34.3K$378.7KNew
PDT Partners, LLC32.7K$361.5K−$305.2KCut−$1.92M
Fidelity32.7K$360.7K−$304.5KCut−$364K
Magnetar Financial LLC30.1K$332.1KNew
TUDOR INVESTMENT CORP ET AL28K$309.2K−$261KCut−$267.1K
Quantinno Capital Management LP23.8K$262.3K−$196.8KCut−$167.7K
BARCLAYS PLC23.2K$255.7K−$215.8KCut−$1.27M
SIMPLEX TRADING, LLC22.3K$246.1KNew
FOX RUN MANAGEMENT, L.L.C.22.8K$243.4K−$220.6KCut−$279.4K
FRANKLIN RESOURCES INC21.8K$240.2K−$202.8KCut−$321.4K
Creative Planning17.8K$196.6K−$166KCut−$274.4K
MetLife Investment Management, LLC16.7K$184.2K−$155.5KCut−$155.5K
Engineers Gate Manager LP16.6K$183.2K−$154.7KCut−$1.09M
STATE OF WISCONSIN INVESTMENT BOARD15.9K$175.9K−$148.5KCut−$228K
Vanguard Global Advisers, LLC15.8K$173.9KHeld
EJF Capital LP15K$165.6K−$139.8KCut−$139.8K
Brevan Howard Capital Management LP14.7K$161.7KNew
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.13.9K$153.4K−$129.3KCut−$158.3K
Mariner, LLC13.8K$152.6K−$128.9KCut−$157K
Virtus Investment Advisers, LLC12.7K$139.9K−$115.3KCut−$111.8K
MERCER GLOBAL ADVISORS INC /ADV11.7K$129.6KNew
LAZARD ASSET MANAGEMENT LLC11.7K$129.2KNew
SUSQUEHANNA INTERNATIONAL GROUP, LLP11.2K$124.1K−$104.8KCut−$148.5K
OXFORD ASSET MANAGEMENT LLP11.2K$123.1K−$103.9KCut−$314.8K
AMERICAN FINANCIAL GROUP INC10.1K$111.6K−$94.2KCut−$94.2K
NEW YORK STATE COMMON RETIREMENT FUND9.12K$100.6K−$85KCut−$115.5K
CWM, LLC8.62K$95.1K$42.2KAdded$95.1K
Police & Firemen's Retirement System of New Jersey7.7K$85K−$71.8KCut−$71.8K
BNP PARIBAS FINANCIAL MARKETS6.9K$76.2K−$40.2KCut−$11.6K
China Universal Asset Management Co., Ltd.5.41K$59.7K−$46.3KCut−$41.4K
ROYAL BANK OF CANADA4.87K$54K−$45.4KCut−$62K
Sterling Capital Management LLC4.36K$48.1K−$40.6KCut−$94.9K
IFP Advisors, Inc2.85K$31.5K−$755Added$29.8K
Tower Research Capital LLC (TRC)2.7K$29.8K−$17.1KCut−$7.64K
Legal & General Group Plc2.62K$28.9K−$24.4KCut−$24.4K
Ameritas Investment Partners, Inc.2.37K$26.2K−$22.1KCut−$22.1K
CITIGROUP INC2.21K$24.4K−$20.6KCut−$120.4K
NISA INVESTMENT ADVISORS, LLC2.19K$24.2K−$20.4KCut−$30.3K
OSAIC HOLDINGS, INC.2.05K$22.7K−$19.1KCut−$26.1K
Mirae Asset Global Investments Co., Ltd.1.59K$17.5K−$13.8KCut−$12.6K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM1.58K$17.5K−$14.7KCut−$19.2K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1.37K$15.1K−$2.18KAdded$10.3K
SIGNATUREFD, LLC1.28K$14.1K−$11.9KCut−$25.8K
GROUP ONE TRADING LLC734$8.1KNew
Zurcher Kantonalbank (Zurich Cantonalbank)699$7.72KNew
GF FUND MANAGEMENT CO. LTD.677$7.47K−$5.57KCut−$4.7K
Pinnacle Wealth Planning Services, Inc.541$5.97K−$5.04KCut−$5.04K
Private Wealth Asset Management, LLC500$5.52K−$4.66KCut−$4.66K
Rockefeller Capital Management L.P.455$5.02K−$1.17KAdded$2.46K
MAI Capital Management412$4.55KNew
Arax Advisory Partners389$4.29K−$149Added$3.97K
Smartleaf Asset Management LLC394$4.21K−$3.78KCut−$3.78K
PNC Financial Services Group, Inc.349$3.85K−$2.95KCut−$2.6K
Allworth Financial LP287$3.17K−$2.67KCut−$9.21K
Optiver Holding B.V.257$2.84K−$1.58KCut−$604
Sachetta, LLC244$2.69K−$2.27KCut−$2.27K
EverSource Wealth Advisors, LLC236$2.6K−$1.89KCut−$1.53K
ROTHSCHILD INVESTMENT LLC230$2.54K−$1.53KCut−$800
GAMMA Investing LLC221$2.44K−$2.06KCut−$3.95K
SUMMIT SECURITIES GROUP LLC153$1.69KNew
BESSEMER GROUP INC143.9K$1.59K−$1.34KCut−$1.34K
Essential Partners LLC131$1.45K−$1.22KCut−$2.28K
Advisory Services Network, LLC123$1.36KNew
NATIXIS100$1.1KNew
Owl Creek Wealth Partners LLC100$1.1KHeld
Farther Finance Advisors, LLC86$1K−$746Cut−$11.7K
HRT FINANCIAL LP77K$850−$718Cut−$4.46K
ACADIAN ASSET MANAGEMENT LLC65.4K$721New
Red Tortoise LLC56$618−$522Cut−$522
Parkside Financial Bank & Trust55$608−$512Cut−$512
PRICE T ROWE ASSOCIATES INC /MD/45.9K$507−$277Cut−$98
Cornerstone Financial Management LLC44$486−$410Cut−$410
Private Wealth Management Group, LLC39$431−$364Cut−$364
US BANCORP \DE\35$386−$327Cut−$10.5K
Versant Capital Management, Inc31$342New
WPG Advisers, LLC24$265−$224Cut−$224
LSV ASSET MANAGEMENT20.9K$231−$194Cut−$239
True Wealth Design, LLC15$166−$139Cut−$1.3K
JPL Wealth Management, LLC12$133New
SG Americas Securities, LLC9.13K$101−$85Cut−$1.91K
SJS Investment Consulting Inc.8$89−$38Added$7
Keating Financial Advisory Services, Inc.5$55New
Sunbelt Securities, Inc.4$44−$38Cut−$160
TWIN PEAKS WEALTH ADVISORS, LLC2$22New
SBI Securities Co., Ltd.2$22−$19Cut−$19
Hughes Financial Services, LLC1$11New
Covestor Ltd50$1$0Added$1
Capital Advisors, Ltd. LLC30$0−$1Cut−$1

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.