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, Q2 2025
Institutional positions in Keros Therapeutics, Inc. as of Jun 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
- 139
- −16 vs. Q1 2025
- Shares held
- 35.9M
- −811.3K (−2.2%) vs. Q1 2025
- Total value
- $479.6M
- +$50.9M (+11.9%) vs. Q1 2025
- New holders
- 27
- 59 more added
- Sold out
- 43
- 34 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Keros Therapeutics, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| ADAR1 Capital Management, LLC | 5,389,264 | $71.9M | 11.68% | +3,902,803+262.6% | Added |
| BlackRock, Inc. | 2,732,623 | $36.5M | 0.00% | −52,614−1.9% | Reduced |
| Madison Avenue Partners, LP | 2,691,465 | $35.9M | 2.40% | +2,691,465 | New |
| Vanguard Group Inc | 2,631,648 | $35.1M | 0.00% | +65,327+2.5% | Added |
| Logos Global Management LP | 2,000,000 | $26.7M | 3.57% | 00.0% | Unchanged |
| Nantahala Capital Management, LLC | 1,620,692 | $21.6M | 1.53% | +113,902+7.6% | Added |
| Western Standard LLC | 1,534,893 | $20.5M | 11.40% | +1,399,979+1,037.7% | Added |
| Tang Capital Management LLC | 1,418,984 | $18.9M | 0.96% | +318,984+29.0% | Added |
| State Street Corp | 1,384,254 | $18.5M | 0.00% | +81,715+6.3% | Added |
| D. E. Shaw & Co., Inc. | 1,297,383 | $17.3M | 0.02% | +34,253+2.7% | Added |
| OrbiMed Advisors LLC | 1,018,734 | $13.6M | 0.34% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 883,560 | $11.8M | 0.00% | +142,954+19.3% | Added |
| Morgan Stanley | 878,746 | $11.7M | 0.00% | −818,811−48.2% | Reduced |
| Alkeon Capital Management LLC | 850,511 | $11.4M | 0.06% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 829,297 | $11.1M | 0.00% | +23,112+2.9% | Added |
| Federated Hermes, Inc. | 654,030 | $8.73M | 0.02% | −570,109−46.6% | Reduced |
| Redmile Group, LLC | 552,506 | $7.38M | 0.79% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 524,340 | $7.00M | 0.03% | +524,340 | New |
| Janus Henderson Group PLC | 472,392 | $6.31M | 0.00% | +472,392 | New |
| PDT Partners, LLC | 332,815 | $4.44M | 0.25% | +56,755+20.6% | Added |
| Canada Pension Plan Investment Board | 318,400 | $4.25M | 0.00% | +318,400 | New |
| Bank of America Corp | 295,477 | $3.94M | 0.00% | +139,865+89.9% | Added |
| Rangeley Capital, LLC | 285,400 | $3.81M | 4.80% | −122,834−30.1% | Reduced |
| Charles Schwab Investment Management Inc | 283,403 | $3.78M | 0.00% | +41,480+17.1% | Added |
| Northern Trust Corp | 273,123 | $3.65M | 0.00% | −16,888−5.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 265,707 | $3.55M | 0.01% | +137,604+107.4% | Added |
| Newtyn Management, LLC | 246,857 | $3.30M | 0.50% | +246,857 | New |
| Deutsche Bank AG | 211,637 | $2.83M | 0.00% | +188,675+821.7% | Added |
| Verition Fund Management LLC | 171,763 | $2.29M | 0.01% | +130,462+315.9% | Added |
| FMR LLC | 164,271 | $2.19M | 0.00% | −277,269−62.8% | Reduced |
| RBF Capital, LLC | 150,000 | $2.00M | 0.10% | −20,014−11.8% | Reduced |
| Renaissance Technologies LLC | 146,600 | $1.96M | 0.00% | +146,600 | New |
| Franklin Resources Inc | 132,301 | $1.77M | 0.00% | +94,006+245.5% | Added |
| DAFNA Capital Management LLC | 130,316 | $1.74M | 0.48% | 00.0% | Unchanged |
| Polygon Management Ltd. | 128,000 | $1.71M | 0.31% | −55,000−30.1% | Reduced |
| Man Group plc | 121,545 | $1.62M | 0.00% | +87,532+257.3% | Added |
| Barclays PLC | 121,130 | $1.62M | 0.00% | +61,270+102.4% | Added |
| Susquehanna International Group, LLP | 113,665 | $1.52M | 0.00% | −8,184−6.7% | Reduced |
| Bank of New York Mellon Corp | 109,349 | $1.46M | 0.00% | +11,594+11.9% | Added |
| Y-Intercept (Hong Kong) Ltd | 104,878 | $1.40M | 0.03% | +104,878 | New |
| UBS Group AG | 102,773 | $1.37M | 0.00% | +10,344+11.2% | Added |
| Assenagon Asset Management S.A. | 101,297 | $1.35M | 0.00% | +36,360+56.0% | Added |
| Ameriprise Financial Inc | 98,641 | $1.32M | 0.00% | +98,641 | New |
| Simplex Trading, LLC | 90,735 | $1.21M | 0.03% | +20,223+28.7% | Added |
| Nebula Research & Development LLC | 90,406 | $1.21M | 0.10% | −25,014−21.7% | Reduced |
| Monimus Capital Management, LP | 90,396 | $1.21M | 0.97% | +6,341+7.5% | Added |
| Nuveen, LLC | 75,855 | $1.01M | 0.00% | −3,871,600−98.1% | Reduced |
| State of Wisconsin Investment Board | 71,924 | $960.2K | 0.00% | +71,924 | New |
| AQR Capital Management LLC | 70,650 | $943.2K | 0.00% | +48,514+219.2% | Added |
| Brevan Howard Capital Management LP | 70,149 | $936.5K | 0.01% | +4,305+6.5% | Added |
| Arrowstreet Capital, Limited Partnership | 64,581 | $862.2K | 0.00% | +64,581 | New |
| Russell Investments Group, Ltd. | 61,743 | $824.3K | 0.00% | +53,489+648.0% | Added |
| Gsa Capital Partners LLP | 61,455 | $820.0K | 0.06% | +61,455 | New |
| Jane Street Group, LLC | 57,281 | $764.7K | 0.00% | +10,336+22.0% | Added |
| Algert Global LLC | 55,570 | $741.9K | 0.02% | +28,090+102.2% | Added |
| Rafferty Asset Management, LLC | 54,294 | $724.8K | 0.00% | −1,038−1.9% | Reduced |
| XTX Topco Ltd | 54,145 | $722.8K | 0.03% | +6,024+12.5% | Added |
| Mackenzie Financial Corp | 53,877 | $719.3K | 0.00% | +53,877 | New |
| HighVista Strategies LLC | 52,618 | $702.5K | 0.26% | +511+1.0% | Added |
| Rhumbline Advisers | 51,815 | $691.7K | 0.00% | +7,146+16.0% | Added |
| Price T Rowe Associates Inc | 48,415 | $647.0K | 0.00% | +5,188+12.0% | Added |
| JPMorgan Chase & Co | 47,654 | $636.2K | 0.00% | −2,552,803−98.2% | Reduced |
| Quadrature Capital Ltd | 47,000 | $627.5K | 0.01% | +18,129+62.8% | Added |
| BNP Paribas Arbitrage, SA | 46,599 | $622.1K | 0.00% | −35,337−43.1% | Reduced |
| Invesco Ltd. | 43,395 | $579.3K | 0.00% | +10,129+30.4% | Added |
| Los Angeles Capital Management LLC | 41,709 | $556.8K | 0.00% | +41,709 | New |
| SummitTX Capital, L.P. | 40,000 | $534.0K | 0.02% | +9,116+29.5% | Added |
| Qube Research & Technologies Ltd | 38,677 | $516.3K | 0.00% | −234,665−85.9% | Reduced |
| UBS Oconnor LLC | 37,891 | $505.8K | 0.01% | −77,627−67.2% | Reduced |
| Dimensional Fund Advisors LP | 36,636 | $489.2K | 0.00% | 00.0% | Unchanged |
| Caption Management, LLC | 36,078 | $481.6K | 0.04% | −70,903−66.3% | Reduced |
| Citigroup Inc | 34,379 | $459.0K | 0.00% | −37,378−52.1% | Reduced |
| Alliancebernstein L.P. | 27,810 | $371.3K | 0.00% | −700−2.5% | Reduced |
| Polymer Capital Management (US) LLC | 27,181 | $362.9K | 0.06% | +15,640+135.5% | Added |
| Public Employees Retirement System of Ohio | 26,103 | $348.5K | 0.00% | +26,103 | New |
| Quest Partners LLC | 25,958 | $346.5K | 0.03% | +12,724+96.1% | Added |
| Creative Planning | 24,226 | $323.4K | 0.00% | +6,948+40.2% | Added |
| Group One Trading, L.P. | 23,031 | $307.5K | 0.01% | −26,663−53.7% | Reduced |
| Citadel Advisors LLC | 22,898 | $305.7K | 0.00% | −168,711−88.0% | Reduced |
| Alps Advisors Inc | 21,949 | $293.0K | 0.00% | −7,787−26.2% | Reduced |
| Wells Fargo & Company | 21,945 | $293.0K | 0.00% | +5,167+30.8% | Added |
| Lazard Asset Management LLC | 21,849 | $291.0K | 0.00% | +21,849 | New |
| Erste Asset Management GmbH | 20,700 | $279.2K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 19,749 | $263.6K | 0.00% | +1,651+9.1% | Added |
| Intech Investment Management LLC | 19,099 | $255.0K | 0.00% | −2,023−9.6% | Reduced |
| Two Sigma Advisers, LP | 17,100 | $228.3K | 0.00% | −102,400−85.7% | Reduced |
| Martingale Asset Management L P | 13,858 | $185.0K | 0.00% | +13,858 | New |
| Millennium Management LLC | 13,705 | $183.0K | 0.00% | −219,498−94.1% | Reduced |
| Two Sigma Investments, LP | 13,522 | $180.5K | 0.00% | −48,850−78.3% | Reduced |
| Manufacturers Life Insurance Company, The | 12,451 | $166.2K | 0.00% | +988+8.6% | Added |
| Fox Run Management, L.L.C. | 12,354 | $164.9K | 0.03% | −6,635−34.9% | Reduced |
| Engineers Gate Manager LP | 12,037 | $160.7K | 0.00% | −94,896−88.7% | Reduced |
| Profund Advisors LLC | 11,421 | $152.5K | 0.01% | −148−1.3% | Reduced |
| New York State Common Retirement Fund | 10,616 | $141.7K | 0.00% | +7,700+264.1% | Added |
| Royal Bank of Canada | 10,108 | $135.0K | 0.00% | +8,302+459.7% | Added |
| American Financial Group Inc | 10,105 | $134.9K | 0.05% | 00.0% | Unchanged |
| US Bancorp | 9,864 | $131.7K | 0.00% | +9,848+61,550.0% | Added |
| STRS Ohio | 9,400 | $125.5K | 0.00% | +9,400 | New |
| Covestor Ltd | 9,349 | $125.0K | 0.07% | −7,712−45.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 8,257 | $110.2K | 0.00% | +1,892+29.7% | Added |