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.
13F holders, Q3 2025
Institutional positions in Keros Therapeutics, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 155
- +16 vs. Q2 2025
- Shares held
- 35.3M
- −649.3K (−1.8%) vs. Q2 2025
- Total value
- $558.0M
- +$78.5M (+16.4%) vs. Q2 2025
- New holders
- 29
- 55 more added
- Sold out
- 13
- 41 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting KROS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 132 | $198.6M |
| Q1 2026 | 151 | $205.6M |
| Q4 2025 | 166 | $408.4M |
| Q3 2025 | 155 | $558.0M |
| Q2 2025 | 139 | $479.6M |
| Q1 2025 | 156 | $428.6M |
| Q4 2024 | 161 | $582.1M |
| Q3 2024 | 164 | $2.03B |
| Q2 2024 | 152 | $1.44B |
| Q1 2024 | 147 | $2.08B |
| Q4 2023 | 121 | $1.02B |
| Q3 2023 | 107 | $730.6M |
| Q2 2023 | 123 | $901.0M |
| Q1 2023 | 129 | $937.0M |
| Q4 2022 | 126 | $948.2M |
| Q3 2022 | 113 | $680.1M |
| Q2 2022 | 104 | $479.7M |
| Q1 2022 | 106 | $893.0M |
| Q4 2021 | 99 | $944.5M |
| Q3 2021 | 89 | $545.4M |
| Q2 2021 | 80 | $599.7M |
| Q1 2021 | 83 | $887.0M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Keros Therapeutics, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mackenzie Financial Corp | 56,768 | $898.1K | 0.00% | +2,891+5.4% | Added |
| BNP Paribas Arbitrage, SA | 68,656 | $1.09M | 0.00% | +22,057+47.3% | Added |
| Invesco Ltd. | 74,979 | $1.19M | 0.00% | +31,584+72.8% | Added |
| Nuveen, LLC | 75,855 | $1.20M | 0.00% | 00.0% | Unchanged |
| DAFNA Capital Management LLC | 80,716 | $1.28M | 0.32% | −49,600−38.1% | Reduced |
| Two Sigma Investments, LP | 82,523 | $1.31M | 0.00% | +69,001+510.3% | Added |
| HighVista Strategies LLC | 83,050 | $1.31M | 0.32% | +30,432+57.8% | Added |
| Franklin Resources Inc | 87,758 | $1.39M | 0.00% | −44,543−33.7% | Reduced |
| Russell Investments Group, Ltd. | 93,039 | $1.47M | 0.00% | +31,296+50.7% | Added |
| Superstring Capital Management LP | 95,083 | $1.50M | 1.48% | +95,083 | New |
| Barclays PLC | 99,100 | $1.57M | 0.00% | −22,030−18.2% | Reduced |
| Squarepoint Ops LLC | 100,141 | $1.58M | 0.00% | +100,141 | New |
| FMR LLC | 100,531 | $1.59M | 0.00% | −63,740−38.8% | Reduced |
| UBS Group AG | 103,864 | $1.64M | 0.00% | +1,091+1.1% | Added |
| Monimus Capital Management, LP | 108,051 | $1.71M | 1.27% | +17,655+19.5% | Added |
| Bank of New York Mellon Corp | 110,882 | $1.75M | 0.00% | +1,533+1.4% | Added |
| Ameriprise Financial Inc | 120,433 | $1.91M | 0.00% | +21,792+22.1% | Added |
| Cubist Systematic Strategies, LLC | 121,530 | $1.92M | 0.03% | +121,530 | New |
| RBF Capital, LLC | 150,000 | $2.37M | 0.11% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 154,700 | $2.45M | 0.00% | +8,100+5.5% | Added |
| Jane Street Group, LLC | 162,455 | $2.57M | 0.00% | +105,174+183.6% | Added |
| JPMorgan Chase & Co | 171,941 | $2.72M | 0.00% | +124,287+260.8% | Added |
| Citadel Advisors LLC | 176,144 | $2.79M | 0.00% | +153,246+669.3% | Added |
| Man Group plc | 192,854 | $3.05M | 0.01% | +71,309+58.7% | Added |
| AQR Capital Management LLC | 204,351 | $3.23M | 0.00% | +133,701+189.2% | Added |
| Susquehanna International Group, LLP | 216,700 | $3.43M | 0.01% | +103,035+90.6% | Added |
| Bank of America Corp | 226,127 | $3.58M | 0.00% | −69,350−23.5% | Reduced |
| Canada Pension Plan Investment Board | 227,300 | $3.60M | 0.00% | −91,100−28.6% | Reduced |
| Assenagon Asset Management S.A. | 257,518 | $4.07M | 0.01% | +156,221+154.2% | Added |
| Rangeley Capital, LLC | 258,619 | $4.09M | 3.84% | −26,781−9.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 258,754 | $4.09M | 0.00% | +194,173+300.7% | Added |
| Charles Schwab Investment Management Inc | 292,006 | $4.62M | 0.00% | +8,603+3.0% | Added |
| Qube Research & Technologies Ltd | 303,122 | $4.80M | 0.01% | +264,445+683.7% | Added |
| Northern Trust Corp | 332,758 | $5.26M | 0.00% | +59,635+21.8% | Added |
| PDT Partners, LLC | 332,815 | $5.27M | 0.33% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 335,154 | $5.30M | 0.02% | +69,447+26.1% | Added |
| Morgan Stanley | 395,103 | $6.25M | 0.00% | −483,643−55.0% | Reduced |
| Federated Hermes, Inc. | 514,160 | $8.13M | 0.01% | −139,870−21.4% | Reduced |
| Redmile Group, LLC | 552,506 | $8.74M | 0.85% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 607,089 | $9.60M | 0.04% | +82,749+15.8% | Added |
| Geode Capital Management, LLC | 837,363 | $13.2M | 0.00% | +8,066+1.0% | Added |
| Logos Global Management LP | 850,000 | $13.4M | 1.33% | −1,150,000−57.5% | Reduced |
| Alkeon Capital Management LLC | 850,511 | $13.5M | 0.06% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 1,018,734 | $16.1M | 0.39% | 00.0% | Unchanged |
| Nantahala Capital Management, LLC | 1,233,189 | $19.5M | 1.20% | −387,503−23.9% | Reduced |
| State Street Corp | 1,302,978 | $20.6M | 0.00% | −81,276−5.9% | Reduced |
| Goldman Sachs Group Inc | 1,325,483 | $21.0M | 0.00% | +441,923+50.0% | Added |
| D. E. Shaw & Co., Inc. | 1,331,425 | $21.1M | 0.02% | +34,042+2.6% | Added |
| Tang Capital Management LLC | 1,418,984 | $22.4M | 0.86% | 00.0% | Unchanged |
| Western Standard LLC | 2,189,882 | $34.6M | 18.53% | +654,989+42.7% | Added |
| Madison Avenue Partners, LP | 2,708,218 | $42.8M | 2.56% | +16,753+0.6% | Added |
| BlackRock, Inc. | 2,717,153 | $43.0M | 0.00% | −15,470−0.6% | Reduced |
| Vanguard Group Inc | 2,718,777 | $43.0M | 0.00% | +87,129+3.3% | Added |
| ADAR1 Capital Management, LLC | 5,389,264 | $85.3M | 8.44% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 7,550 | – | – | 00.0% | Unchanged |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −472,392−100.0% | Sold out |
| Newtyn Management, LLC | 0 | $0 | 0.00% | −246,857−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −171,763−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −90,735−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −90,406−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −54,145−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −37,891−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −21,849−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −12,354−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −11,421−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −91−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −83−100.0% | Sold out |