Keros Therapeutics, Inc. (KROS) Institutional Ownership & Insider Trading

132 institutions reported holding Keros Therapeutics, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 25 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

KROSKeros Therapeutics, Inc.Follow KROS — free

Biotechnology · Healthcare

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Market cap: 223.7M
P/E TTM: —
Dividend yield: —
52-week: —
Next earnings: 11 Nov, in 18 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

132 institutions held —% of the shares. Across filers that reported both quarters, shares held changed +7.4%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	132	20	+7.4%	45	12	50	27
Mar 26	150	19	-8.8%	45	18	54	37
Dec 25	163	20	-40.7%	38	34	69	21
Sep 25	150	35	-1.1%	49	25	40	11
Jun 25	136	36	+11.0%	57	25	33	39
Mar 25	154	33	-9.4%	47	45	39	45
Dec 24	159	37	+2.5%	72	25	28	39
Sep 24	163	35	+7.9%	64	23	40	14

Keros Therapeutics, Inc. — questions

Who owns Keros Therapeutics, Inc. stock?: 132 institutions reported Keros Therapeutics, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: Nantahala Capital Management, LLC (14.2%), BlackRock, Inc. (14.1%), AQR CAPITAL MANAGEMENT LLC (4.9%).
Are Keros Therapeutics, Inc. insiders buying or selling?: 25 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Keros Therapeutics, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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