Keros TherapeuticsKROS
13F holders, Q2 2025 (June 30)139holders −17
26new positions
43sold out
5famous investors
$13.36avg. 13F price*
At the end of Q2 2025, 139 institutions reported holding Keros Therapeutics Inc. (KROS) in their 13F filings, down 17 from Q1 2025. 26 opened new positions and 43 sold out. The largest holders were ADAR1 Capital Management, LLC ($71.9M), BlackRock, Inc. ($36.5M) and Madison Avenue Partners, LP ($35.9M). 5 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Keros Therapeutics Inc.
- CUSIP
- 492327101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $66.3M |
| Exits | 43 | $36.9M |
All 13F filers, Q1 2025 → Q2 2025: 12,353,923 shares bought and 13,165,400 shares sold, net −811,477 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 139 holders
| ADAR1 Capital Management, LLC | 11.81% | Add +262.6% | 5,389,264 | $71.9M |
| BlackRock, Inc. | 0.00% | Reduce -1.9% | 2,732,623 | $36.5M |
| Madison Avenue Partners, LP | 2.40% | New | 2,691,465 | $35.9M |
| Vanguard Group Inc. | 0.00% | Add +2.5% | 2,631,648 | $35.1M |
| Logos Global Management LP | 3.57% | No change | 2,000,000 | $26.7M |
| Nantahala Capital Management, LLC | 1.53% | Add +7.6% | 1,620,692 | $21.6M |
| Western Standard LLC | 11.40% | Add +1037.7% | 1,534,893 | $20.5M |
| Tang Capital Management LLC | 0.96% | Add +29.0% | 1,418,984 | $18.9M |
| State Street Corp. | 0.00% | Add +6.3% | 1,384,254 | $18.5M |
| D. E. Shaw & Co. | 0.02% | Add +2.7% | 1,297,383 | $17.3M |
| Orbimed Advisors LLC | 0.34% | No change | 1,018,734 | $13.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +19.3% | 883,560 | $11.8M |
| Morgan Stanley | 0.00% | Reduce -48.2% | 878,746 | $11.7M |
| Alkeon Capital Management LLC | 0.06% | No change | 850,511 | $11.4M |
| Geode Capital Management, LLC | 0.00% | Add +2.9% | 829,297 | $11.1M |
| Federated Hermes, Inc. | 0.02% | Reduce -46.6% | 654,030 | $8.7M |
| Redmile Group, LLC | 0.79% | No change | 552,506 | $7.4M |
| Jacobs Levy Equity Management, Inc. | 0.03% | New | 524,340 | $7.0M |
| Janus Henderson Group PLC | 0.00% | New | 472,392 | $6.3M |
| PDT Partners, LLC | 0.25% | Add +20.6% | 332,815 | $4.4M |
| Canada Pension Plan Investment Board | 0.00% | New | 318,400 | $4.3M |
| Bank of America Corp. | 0.00% | Add +89.9% | 295,477 | $3.9M |
| Rangeley Capital, LLC | 4.95% | Reduce -30.1% | 285,400 | $3.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +17.1% | 283,403 | $3.8M |
| Northern Trust Corp. | 0.00% | Reduce -5.8% | 273,123 | $3.6M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +107.4% | 265,707 | $3.5M |
| Newtyn Management, LLC | 0.50% | New | 246,857 | $3.3M |
| Deutsche Bank AG | 0.00% | Add +821.7% | 211,637 | $2.8M |
| Verition Fund Management LLC | 0.01% | Add +315.9% | 171,763 | $2.3M |
| FMR LLC | 0.00% | Reduce -62.8% | 164,271 | $2.2M |
| RBF Capital, LLC | 0.10% | Reduce -11.8% | 150,000 | $2.0M |
| Renaissance Technologies | 0.00% | New | 146,600 | $2.0M |
| Franklin Resources Inc. | 0.00% | Add +245.5% | 132,301 | $1.8M |
| DAFNA Capital Management LLC | 0.49% | No change | 130,316 | $1.7M |
| Tetragon Partners GP Ltd | 0.48% | Reduce -30.1% | 128,000 | $1.7M |
| Man Group plc | 0.00% | Add +257.4% | 121,545 | $1.6M |
| Barclays PLC | 0.00% | Add +102.4% | 121,130 | $1.6M |
| Susquehanna International Group, LLP | 0.00% | Reduce -6.7% | 113,665 | $1.5M |
| Bank of New York Mellon Corp | 0.00% | Add +11.9% | 109,349 | $1.5M |
| Y-Intercept (Hong Kong) Ltd | 0.03% | New | 104,878 | $1.4M |
| UBS Group AG | 0.00% | Add +11.2% | 102,773 | $1.4M |
| Assenagon Asset Management S.A. | 0.00% | Add +56.0% | 101,297 | $1.4M |
| Ameriprise Financial Inc. | 0.00% | New | 98,641 | $1.3M |
| Simplex Trading, LLC | 0.03% | Add +28.7% | 90,735 | $1.2M |
| Nebula Research & Development LLC | 0.10% | Reduce -21.7% | 90,406 | $1.2M |
| Monimus Capital Management, LP | 0.97% | Add +7.5% | 90,396 | $1.2M |
| Nuveen, LLC | 0.00% | Reduce -98.1% | 75,855 | $1.0M |
| State of Wisconsin Investment Board | 0.00% | New | 71,924 | $960K |
| AQR Capital Management | 0.00% | Add +219.2% | 70,650 | $943K |
| Brevan Howard Capital Management LP | 0.01% | Add +6.5% | 70,149 | $936K |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 64,581 | $862K |
| Russell Investments Group, Ltd. | 0.00% | Add +648.0% | 61,743 | $824K |
| Gsa Capital Partners LLP | 0.06% | New | 61,455 | $820K |
| Jane Street Group, LLC | 0.00% | Add +22.0% | 57,281 | $765K |
| Algert Global LLC | 0.02% | Add +102.2% | 55,570 | $742K |
| Rafferty Asset Management, LLC | 0.00% | Reduce -1.9% | 54,294 | $725K |
| XTX Topco Ltd | 0.03% | Add +12.5% | 54,145 | $723K |
| Mackenzie Financial Corp. | 0.00% | New | 53,877 | $719K |
| HighVista Strategies LLC | 0.26% | Add +1.0% | 52,618 | $702K |
| Rhumbline Advisers | 0.00% | Add +16.0% | 51,815 | $692K |
| T. Rowe Price Associates Inc. | 0.00% | Add +12.0% | 48,415 | $647K |
| JPMorgan Chase & Co. | 0.00% | Reduce -98.2% | 47,654 | $636K |
| Quadrature Capital Ltd | 0.01% | Add +62.8% | 47,000 | $627K |
| BNP Paribas Financial Markets | 0.00% | Reduce -43.1% | 46,599 | $622K |
| Invesco Ltd. | 0.00% | Add +30.4% | 43,395 | $579K |
| Los Angeles Capital Management LLC | 0.00% | New | 41,709 | $557K |
| SummitTX Capital, L.P. | 0.02% | Add +29.5% | 40,000 | $534K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 7,550 | $530K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -85.8% | 38,677 | $516K |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.01% | Reduce -67.2% | 37,891 | $506K |
| Dimensional Fund Advisors LP | 0.00% | No change | 36,636 | $489K |
| Caption Management, LLC | 0.04% | Reduce -66.3% | 36,078 | $482K |
| Citigroup Inc. | 0.00% | Reduce -52.1% | 34,379 | $459K |
| Alliancebernstein L.P. | 0.00% | Reduce -2.5% | 27,810 | $371K |
| Polymer Capital Management (US) LLC | 0.06% | Add +135.5% | 27,181 | $363K |
| Public Employees Retirement System of Ohio | 0.00% | New | 26,103 | $348K |
| AlphaQuest LLC | 0.03% | Add +96.2% | 25,958 | $347K |
| Creative Planning | 0.00% | Add +40.2% | 24,226 | $323K |
| Group One Trading LLC | 0.01% | Reduce -53.6% | 23,031 | $307K |
| Citadel Advisors | 0.00% | Reduce -88.0% | 22,898 | $306K |
| Alps Advisors Inc. | 0.00% | Reduce -26.2% | 21,949 | $293K |
| Wells Fargo & Company | 0.00% | Add +30.8% | 21,945 | $293K |
| Lazard Asset Management LLC | 0.00% | New | 21,849 | $291K |
| Erste Asset Management GmbH | 0.00% | No change | 20,700 | $279K |
| MetLife Investment Management, LLC | 0.00% | Add +9.1% | 19,749 | $264K |
| Intech Investment Management LLC | 0.00% | Reduce -9.6% | 19,099 | $255K |
| Two Sigma Advisers, LP | 0.00% | Reduce -85.7% | 17,100 | $228K |
| Martingale Asset Management L P | 0.00% | New | 13,858 | $185K |
| Millennium Management | 0.00% | Reduce -94.1% | 13,705 | $183K |
| Two Sigma Investments, LP | 0.00% | Reduce -78.3% | 13,522 | $181K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +8.6% | 12,451 | $166K |
| Fox Run Management, L.L.C. | 0.03% | Reduce -34.9% | 12,354 | $165K |
| Engineers Gate Manager LP | 0.00% | Reduce -88.7% | 12,037 | $161K |
| Profund Advisors LLC | 0.01% | Reduce -1.3% | 11,421 | $152K |
| New York State Common Retirement Fund | 0.00% | Add +264.1% | 10,616 | $142K |
| Royal Bank of Canada | 0.00% | Add +459.7% | 10,108 | $135K |
| American Financial Group Inc. | 0.05% | No change | 10,105 | $135K |
| US Bancorp \de | 0.00% | Add +61550.0% | 9,864 | $132K |
| STRS Ohio | 0.00% | New | 9,400 | $125K |
| Covestor Ltd | 0.07% | Reduce -45.2% | 9,349 | $125K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +29.7% | 8,257 | $110K |
| China Universal Asset Management Co., Ltd. | 0.01% | Add +0.3% | 8,157 | $109K |
| Virtus Investment Advisers, LLC | 0.03% | Reduce -22.6% | 6,894 | $92K |
| Cwm, LLC | 0.00% | Add +87.5% | 5,000 | $67K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +149.3% | 3,153 | $42K |
| Legal & General Group Plc | 0.00% | Reduce -47.6% | 3,117 | $42K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,887 | $39K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -20.4% | 2,676 | $36K |
| FNY Investment Advisers, LLC | 0.01% | No change | 2,500 | $33K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +15.4% | 1,569 | $21K |
| Signaturefd, LLC | 0.00% | Add +30.1% | 1,297 | $17K |
| Amalgamated Bank | 0.00% | No change | 1,058 | $14K |
| GF Fund Management Co. LTD. | 0.00% | No change | 1,036 | $14K |
| Sterling Capital Management LLC | 0.00% | Add +2940.0% | 912 | $12K |
| PNC Financial Services Group, Inc. | 0.00% | Add +666.4% | 820 | $11K |
| Allworth Financial LP | 0.00% | Add +70.5% | 631 | $8K |
| SBI Securities Co., Ltd. | 0.00% | Add +2727.3% | 622 | $8K |
| Caitong International Asset Management Co., Ltd | 0.00% | Add +28.7% | 480 | $6K |
| Quantbot Technologies LP | 0.00% | No change | 386 | $5K |
| GAMMA Investing LLC | 0.00% | Add +57.8% | 374 | $5K |
| Sachetta, LLC | 0.00% | No change | 244 | $3K |
| Rothschild Investment LLC | 0.00% | Reduce -2.8% | 175 | $2K |
| Daiwa Securities Group Inc. | 0.00% | No change | 133 | $2K |
| Red Tortoise LLC | 0.00% | New | 146 | $2K |
| Essential Partners LLC | 0.00% | — | 131 | $2K |
| Clearstead Advisors, LLC | 0.00% | New | 119 | $2K |
| Private Wealth Management Group, LLC | 0.00% | No change | 102 | $1K |
| Raymond James Financial Inc. | 0.00% | New | 100 | $1K |
| Brooklyn Investment Group | 0.00% | New | 91 | $1K |
| Geneos Wealth Management Inc. | 0.00% | New | 83 | $1K |
| Osaic Holdings, Inc. | 0.00% | New | 74 | $988 |
| Principal Securities, Inc. | 0.00% | New | 59 | $788 |
| Parkside Financial Bank & Trust | 0.00% | No change | 55 | $735 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +400.0% | 50 | $668 |
| IFP Advisors, Inc | 0.00% | New | 1 | $521 |
| WPG Advisers, LLC | 0.00% | No change | 24 | $320 |
| True Wealth Design, LLC | 0.00% | Add +100.0% | 6 | $81 |
| Capital Advisors, Ltd. LLC | 0.00% | Add +87.5% | 30 | $0 |
| Avion Wealth | 0.00% | New | 36 | $0 |
"% of holder's portfolio" is KROS's weight in each manager's 13F, not the share of Keros Therapeutics Inc. the manager owns.