Keros TherapeuticsKROS
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 156 institutions reported holding Keros Therapeutics Inc. (KROS) in their 13F filings, down 5 from Q4 2024. 47 opened new positions and 49 sold out. The largest holders were Nuveen, LLC ($94.5M), BlackRock, Inc. ($28.4M) and JPMorgan Chase & Co. ($26.5M). 6 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Keros Therapeutics Inc.
- CUSIP
- 492327101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 47 | $64.4M |
| Exits | 49 | $163.2M |
All 13F filers, Q4 2024 → Q1 2025: 16,168,819 shares bought and 20,065,443 shares sold, net −3,896,624 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 156 holders
| Nuveen, LLC | 0.03% | — | 3,947,455 | $94.5M |
| BlackRock, Inc. | 0.00% | Add +2.0% | 2,785,237 | $28.4M |
| JPMorgan Chase & Co. | 0.00% | Add +1118.4% | 2,600,457 | $26.5M |
| Vanguard Group Inc. | 0.00% | Add +31.1% | 2,566,321 | $26.2M |
| Logos Global Management LP | 3.62% | New | 2,000,000 | $20.4M |
| Morgan Stanley | 0.00% | Add +158.5% | 1,697,557 | $17.3M |
| Nantahala Capital Management, LLC | 1.27% | Add +64.7% | 1,506,790 | $15.4M |
| ADAR1 Capital Management, LLC | 3.00% | Add +6294.5% | 1,486,461 | $15.1M |
| State Street Corp. | 0.00% | Add +8.2% | 1,302,539 | $13.3M |
| D. E. Shaw & Co. | 0.02% | Add +10340.0% | 1,263,130 | $12.9M |
| Federated Hermes, Inc. | 0.03% | Add +882.3% | 1,224,139 | $12.5M |
| Tang Capital Management LLC | 0.62% | New | 1,100,000 | $11.2M |
| Orbimed Advisors LLC | 0.25% | No change | 1,018,734 | $10.4M |
| Alkeon Capital Management LLC | 0.05% | Reduce -22.8% | 850,511 | $8.7M |
| Geode Capital Management, LLC | 0.00% | Add +5.3% | 806,185 | $8.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +38.3% | 740,606 | $7.5M |
| Redmile Group, LLC | 0.53% | No change | 552,506 | $5.6M |
| DRW Securities, LLC | 0.40% | New | 464,895 | $4.7M |
| FMR LLC | 0.00% | Reduce -92.0% | 441,540 | $4.5M |
| Rangeley Capital, LLC | 4.76% | New | 408,234 | $4.2M |
| Catalio Capital Management, LP | 0.98% | Reduce -4.4% | 389,384 | $4.0M |
| Northern Trust Corp. | 0.00% | Reduce -2.2% | 290,011 | $3.0M |
| PDT Partners, LLC | 0.20% | New | 276,060 | $2.8M |
| Ikarian Capital, LLC | 0.91% | New | 274,009 | $2.8M |
| Qube Research & Technologies Ltd | 0.00% | New | 273,342 | $2.8M |
| Blue Owl Capital Holdings LP | 0.88% | Add +9.6% | 266,033 | $2.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -13.5% | 241,923 | $2.5M |
| Millennium Management | 0.00% | Reduce -73.4% | 233,203 | $2.4M |
| Parkman Healthcare Partners LLC | 0.26% | Reduce -30.8% | 217,753 | $2.2M |
| Cubist Systematic Strategies, LLC | 0.03% | Add +16297.6% | 198,411 | $2.0M |
| Citadel Advisors | 0.00% | Reduce -75.8% | 191,609 | $2.0M |
| EcoR1 Capital, LLC | 0.11% | No change | 187,500 | $1.9M |
| Tetragon Partners GP Ltd | 0.73% | Add +77.7% | 183,000 | $1.9M |
| 22NW, LP | 1.22% | New | 179,000 | $1.8M |
| RBF Capital, LLC | 0.11% | New | 170,014 | $1.7M |
| Clearbridge Investments, LLC | 0.00% | Reduce -17.5% | 156,724 | $1.6M |
| Bank of America Corp. | 0.00% | Reduce -3.6% | 155,612 | $1.6M |
| Walleye Capital LLC | 0.02% | Reduce -23.9% | 150,503 | $1.5M |
| Acadian Asset Management LLC | 0.00% | New | 147,567 | $1.5M |
| Western Standard LLC | 0.81% | New | 134,914 | $1.4M |
| DAFNA Capital Management LLC | 0.38% | No change | 130,316 | $1.3M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +339.5% | 128,103 | $1.3M |
| Susquehanna International Group, LLP | 0.00% | Reduce -42.3% | 121,849 | $1.2M |
| Two Sigma Advisers, LP | 0.00% | Add +477.3% | 119,500 | $1.2M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.03% | Add +127.0% | 115,518 | $1.2M |
| Nebula Research & Development LLC | 0.11% | Add +61.0% | 115,420 | $1.2M |
| Caption Management, LLC | 0.05% | Add +74.8% | 106,981 | $1.1M |
| Engineers Gate Manager LP | 0.02% | Add +6.9% | 106,933 | $1.1M |
| PFM Health Sciences, LP | 0.08% | No change | 104,323 | $1.1M |
| Jump Financial, LLC | 0.02% | New | 103,826 | $1.1M |
| Stonepine Capital Management, LLC | 0.99% | New | 100,000 | $1.0M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.1% | 97,755 | $996K |
| Twinbeech Capital LP | 0.02% | Reduce -24.6% | 97,677 | $995K |
| UBS Group AG | 0.00% | Reduce -47.2% | 92,429 | $942K |
| Centiva Capital, LP | 0.05% | New | 90,000 | $917K |
| Monimus Capital Management, LP | 0.73% | New | 84,055 | $857K |
| BNP Paribas Financial Markets | 0.00% | Add +77.7% | 81,936 | $835K |
| Boothbay Fund Management, LLC | 0.03% | New | 81,270 | $828K |
| Citigroup Inc. | 0.00% | Add +31.9% | 71,757 | $731K |
| Simplex Trading, LLC | 0.03% | Add +854.5% | 70,512 | $718K |
| Brevan Howard Capital Management LP | 0.02% | Add +488.6% | 65,844 | $671K |
| Assenagon Asset Management S.A. | 0.00% | No change | 64,937 | $662K |
| Two Sigma Investments, LP | 0.00% | Add +85.3% | 62,372 | $636K |
| Barclays PLC | 0.00% | Reduce -44.3% | 59,860 | $610K |
| Rafferty Asset Management, LLC | 0.00% | Add +20.8% | 55,332 | $564K |
| HighVista Strategies LLC | 0.20% | No change | 52,107 | $531K |
| Group One Trading LLC | 0.02% | Add +4417.6% | 49,694 | $506K |
| XTX Topco Ltd | 0.03% | New | 48,121 | $490K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 7,550 | $489K |
| Jane Street Group, LLC | 0.00% | Reduce -53.6% | 46,945 | $478K |
| Rhumbline Advisers | 0.00% | Add +9.3% | 44,669 | $455K |
| Squarepoint Ops LLC | 0.00% | New | 43,984 | $448K |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -95.3% | 43,227 | $441K |
| Verition Fund Management LLC | 0.00% | Reduce -80.9% | 41,301 | $421K |
| Tejara Capital Ltd | 0.20% | New | 40,245 | $410K |
| Franklin Resources Inc. | 0.00% | Reduce -86.7% | 38,295 | $390K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -76.4% | 36,636 | $374K |
| Woodline Partners LP | 0.00% | Reduce -90.8% | 35,875 | $366K |
| Man Group plc | 0.00% | New | 34,013 | $347K |
| Invesco Ltd. | 0.00% | Add +163.7% | 33,266 | $339K |
| SummitTX Capital, L.P. | 0.01% | — | 30,884 | $315K |
| Alps Advisors Inc. | 0.00% | Reduce -9.2% | 29,736 | $303K |
| Quadrature Capital Ltd | 0.01% | New | 28,871 | $293K |
| Alliancebernstein L.P. | 0.00% | Reduce -79.3% | 28,510 | $291K |
| Algert Global LLC | 0.01% | Add +116.4% | 27,480 | $280K |
| Quinn Opportunity Partners LLC | 0.02% | New | 25,000 | $255K |
| Deutsche Bank AG | 0.00% | Reduce -14.8% | 22,962 | $234K |
| HAP Trading, LLC | 0.08% | New | 22,551 | $230K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +15.5% | 22,166 | $227K |
| AQR Capital Management | 0.00% | New | 22,136 | $226K |
| Erste Asset Management GmbH | 0.00% | No change | 20,700 | $223K |
| Intech Investment Management LLC | 0.00% | Add +11.9% | 21,122 | $215K |
| Jain Global LLC | 0.00% | Reduce -61.0% | 19,986 | $204K |
| Tudor Investment Corporation | 0.00% | Add +29.5% | 19,858 | $202K |
| Fox Run Management, L.L.C. | 0.03% | Reduce -14.5% | 18,989 | $193K |
| ExodusPoint Capital Management, LP | 0.00% | New | 18,976 | $193K |
| Shay Capital LLC | 0.06% | New | 18,832 | $192K |
| Corton Capital Inc. | 0.61% | New | 18,212 | $186K |
| MetLife Investment Management, LLC | 0.00% | No change | 18,098 | $184K |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 17,674 | $180K |
"% of holder's portfolio" is KROS's weight in each manager's 13F, not the share of Keros Therapeutics Inc. the manager owns.