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KROS · Keros Therapeutics, Inc.

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$11.68 +0.90 (+8.35%) At close · Aug 25
Market Cap
$216.31M
Shares
19.83M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 131
Total Value: $198,678,515
Total Shares: 18,568,255

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 131 13F filers · Δ vs Mar 31, 2026
Top Holder
15.0%
Sep 2023 → Jun 2026 · range 10.1% – 15.9%
+2.3 pts
Top 5
36.4%
Sep 2023 → Jun 2026 · range 32.2% – 43.9%
+4.2 pts
Top 10
53.8%
Sep 2023 → Jun 2026 · range 50.2% – 65.7%
+3.6 pts
HHI
473
Sep 2023 → Jun 2026 · range 395 – 597
Broadly held+71

Quarterly Activity

vs Mar 31, 2026
New
15
Increased
46
Decreased
50
Sold Out
35
Unchanged
20
Holder count: -20
Institutional value: -4.7%
Shares held: -1.7%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 132
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1664710 CUSIP 492327101 13F (30d) 116 filings 115 filers Visit website Investor relations