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Keros Therapeutics, Inc.

KROS
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001664710

In the last 90 days, Keros Therapeutics, Inc. insiders filed 2 open-market purchases and 4 sales; 132 institutions reported holding it in 13F filings for Q2 2026, worth $198.6M in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding Keros Therapeutics, Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of KROS: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders1662151−13
Shares20.1M1.53M18.6M+46.1K (+0.2%)
Value$408.4M$31.1M$205.6M−$171.8M (−45.5%)

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (27)

Institutions that held Keros Therapeutics, Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to KROS in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Capital Management LLC831,421$9.18M0.00%
Vanguard Portfolio Management LLC682,043$7.53M0.00%
Empowered Funds, LLC145,517$1.61M0.01%
Vanguard Fiduciary Trust Co127,302$1.41M0.00%
Acadian Asset Management LLC65,436$721.0K0.00%
Principal Financial Group Inc59,594$657.9K0.00%
HSBC Holdings PLC53,986$598.7K0.00%
Globeflex Capital L P37,873$418.1K0.06%
Aviva PLC34,307$378.7K0.00%
Magnetar Financial LLC30,085$332.1K0.00%
Simplex Trading, LLC22,288$246.1K0.01%
Vanguard Global Advisers, LLC15,755$173.9K0.00%
Brevan Howard Capital Management LP14,651$161.7K0.00%
Mercer Global Advisors Inc11,742$129.6K0.00%
Lazard Asset Management LLC11,705$129.2K0.00%
Group One Trading, L.P.734$8.10K0.00%
Zurcher Kantonalbank (Zurich Cantonalbank)699$7.72K0.00%
MAI Capital Management412$4.55K0.00%
Clear Street Markets LLC153$1.69K0.00%
Advisory Services Network, LLC123$1.36K0.00%
Natixis100$1.10K0.00%
Owl Creek Wealth Partners LLC100$1.10K0.00%
Versant Capital Management, Inc31$3420.00%
JPL Wealth Management, LLC12$1330.00%
Keating Financial Advisory Services, Inc.5$550.00%
Twin Peaks Wealth Advisors, LLC2$220.00%
Hughes Financial Services, LLC1$110.00%

Sold out (40)

Institutions that held Keros Therapeutics, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of KROS in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Weiss Asset Management LP254,063$5.17M
Algert Global LLC193,607$3.94M
Two Sigma Advisers, LP171,800$3.50M
Nomura Holdings Inc156,753$3.19M
Gsa Capital Partners LLP51,346$1.04M
Hussman Strategic Advisors, Inc.42,000$855.1K
Quest Partners LLC32,090$653.4K
Cambria Investment Management, L.P.31,312$637.5K
Rafferty Asset Management, LLC30,280$616.5K
Caption Management, LLC29,500$600.6K
Skopos Labs, Inc.23,750$490.0K
Quantedge Capital Pte Ltd19,292$392.8K
Penserra Capital Management LLC18,839$383.0K
Entropy Technologies, LP17,891$364.3K
Campbell & CO Investment Adviser LLC17,630$358.9K
Polymer Capital Management (US) LLC17,495$356.2K
Legato Capital Management LLC16,974$345.6K
Integrated Quantitative Investments LLC16,974$345.6K
Abacus Wealth Partners, LLC14,109$287.3K
ExodusPoint Capital Management, LP13,360$272.0K
Intech Investment Management LLC13,265$270.1K
VARCOV Co.12,810$260.8K
Profund Advisors LLC11,483$233.8K
Cornerstone Investment Partners, LLC11,150$227.0K
Equitec Proprietary Markets, LLC8,600$175.1K
Caitong International Asset Management Co., Ltd1,624$33.1K
Financial Management Professionals, Inc.1,443$29.4K
Jones Financial Companies LLLP1,396$28.4K
Kestra Advisory Services, LLC1,000$20.4K
Amalgamated Bank918$19.0K
Quadrant Capital Group LLC251$5.11K
Larson Financial Group LLC245$4.99K
Whittier Trust Co200$3.56K
Daiwa Securities Group Inc.133$3.00K
Northwestern Mutual Wealth Management Co46$937
Torren Management, LLC11$224
Clearstead Advisors, LLC3$62
Quantbot Technologies LP1$20
Avion Wealth36$0
DekaBank Deutsche Girozentrale7,550–

Not filed for Q1 2026 yet (2)

Institutions that held Keros Therapeutics, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding KROS in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc1,525,355$31.1M
Global Retirement Partners, LLC29$590