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, Q4 2025
Institutional positions in Keros Therapeutics, Inc. as of Dec 31, 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
- 166
- +15 vs. Q3 2025
- Shares held
- 20.1M
- −15.1M (−42.9%) vs. Q3 2025
- Total value
- $408.4M
- −$147.7M (−26.6%) vs. Q3 2025
- New holders
- 41
- 39 more added
- Sold out
- 26
- 73 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Keros Therapeutics, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rafferty Asset Management, LLC | 30,280 | $616.5K | 0.00% | −13,786−31.3% | Reduced |
| Alliancebernstein L.P. | 30,860 | $628.3K | 0.00% | +3,050+11.0% | Added |
| Cambria Investment Management, L.P. | 31,312 | $637.5K | 0.04% | +31,312 | New |
| Quest Partners LLC | 32,090 | $653.4K | 0.04% | +16,841+110.4% | Added |
| Wells Fargo & Company | 32,762 | $667.0K | 0.00% | +6,872+26.5% | Added |
| FMR LLC | 35,597 | $724.8K | 0.00% | −64,934−64.6% | Reduced |
| American Century Companies Inc | 36,640 | $746.0K | 0.00% | −2,526−6.4% | Reduced |
| Point72 Asset Management, L.P. | 38,848 | $790.9K | 0.00% | +38,848 | New |
| Martingale Asset Management L P | 39,379 | $801.8K | 0.02% | +202+0.5% | Added |
| Hussman Strategic Advisors, Inc. | 42,000 | $855.1K | 0.21% | +42,000 | New |
| Massachusetts Financial Services Co | 43,695 | $889.6K | 0.00% | +43,695 | New |
| Canada Pension Plan Investment Board | 44,100 | $897.9K | 0.00% | −183,200−80.6% | Reduced |
| Rhumbline Advisers | 44,235 | $900.6K | 0.00% | −6,243−12.4% | Reduced |
| Public Employees Retirement System of Ohio | 50,324 | $1.02M | 0.00% | +8,871+21.4% | Added |
| Mackenzie Financial Corp | 51,385 | $1.04M | 0.00% | −5,383−9.5% | Reduced |
| Gsa Capital Partners LLP | 51,346 | $1.04M | 0.09% | +26,046+102.9% | Added |
| Dimensional Fund Advisors LP | 58,013 | $1.18M | 0.00% | +22,055+61.3% | Added |
| Bridgeway Capital Management, LLC | 60,078 | $1.22M | 0.03% | +60,078 | New |
| Engineers Gate Manager LP | 62,369 | $1.27M | 0.02% | +36,000+136.5% | Added |
| Nuveen, LLC | 63,097 | $1.28M | 0.00% | −12,758−16.8% | Reduced |
| Barclays PLC | 74,726 | $1.52M | 0.00% | −24,374−24.6% | Reduced |
| Russell Investments Group, Ltd. | 80,774 | $1.64M | 0.00% | −12,265−13.2% | Reduced |
| RBF Capital, LLC | 81,724 | $1.66M | 0.08% | −68,276−45.5% | Reduced |
| Invesco Ltd. | 87,428 | $1.78M | 0.00% | +12,449+16.6% | Added |
| Rangeley Capital, LLC | 96,800 | $1.97M | 1.70% | −161,819−62.6% | Reduced |
| UBS Group AG | 97,084 | $1.98M | 0.00% | −6,780−6.5% | Reduced |
| SG Americas Securities, LLC | 98,703 | $2.01M | 0.00% | +92,212+1,420.6% | Added |
| Bank of America Corp | 100,114 | $2.04M | 0.00% | −126,013−55.7% | Reduced |
| PDT Partners, LLC | 112,183 | $2.28M | 0.15% | −220,632−66.3% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 117,361 | $2.39M | 0.05% | +68,816+141.8% | Added |
| Bank of New York Mellon Corp | 121,582 | $2.48M | 0.00% | +10,700+9.6% | Added |
| Panagora Asset Management Inc | 122,821 | $2.50M | 0.01% | +92,360+303.2% | Added |
| Ameriprise Financial Inc | 122,828 | $2.50M | 0.00% | +2,395+2.0% | Added |
| Bessemer Group Inc | 143,853 | $2.93M | 0.00% | +143,853 | New |
| Nomura Holdings Inc | 156,753 | $3.19M | 0.01% | +156,753 | New |
| Jump Financial, LLC | 161,136 | $3.28M | 0.04% | +161,136 | New |
| Jane Street Group, LLC | 162,009 | $3.30M | 0.00% | −446−0.3% | Reduced |
| Two Sigma Advisers, LP | 171,800 | $3.50M | 0.01% | +117,600+217.0% | Added |
| AQR Capital Management LLC | 180,543 | $3.68M | 0.00% | −23,808−11.7% | Reduced |
| Charles Schwab Investment Management Inc | 186,779 | $3.80M | 0.00% | −105,227−36.0% | Reduced |
| Man Group plc | 190,207 | $3.87M | 0.01% | −2,647−1.4% | Reduced |
| Algert Global LLC | 193,607 | $3.94M | 0.06% | +145,828+305.2% | Added |
| Deutsche Bank AG | 195,281 | $3.98M | 0.00% | +172,022+739.6% | Added |
| Millennium Management LLC | 220,209 | $4.48M | 0.00% | +166,863+312.8% | Added |
| Morgan Stanley | 230,492 | $4.69M | 0.00% | −164,611−41.7% | Reduced |
| Northern Trust Corp | 250,571 | $5.10M | 0.00% | −82,187−24.7% | Reduced |
| Weiss Asset Management LP | 254,063 | $5.17M | 0.07% | +254,063 | New |
| HRT Financial LP | 260,891 | $5.31M | 0.02% | +218,092+509.6% | Added |
| Two Sigma Investments, LP | 318,439 | $6.48M | 0.01% | +235,916+285.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 321,346 | $6.54M | 0.02% | −13,808−4.1% | Reduced |
| Nantahala Capital Management, LLC | 360,419 | $7.34M | 0.44% | −872,770−70.8% | Reduced |
| Citadel Advisors LLC | 472,520 | $9.62M | 0.01% | +296,376+168.3% | Added |
| Goldman Sachs Group Inc | 590,517 | $12.0M | 0.00% | −734,966−55.4% | Reduced |
| Renaissance Technologies LLC | 591,686 | $12.0M | 0.02% | +436,986+282.5% | Added |
| Geode Capital Management, LLC | 635,208 | $12.9M | 0.00% | −202,155−24.1% | Reduced |
| Federated Hermes, Inc. | 654,724 | $13.3M | 0.02% | +140,564+27.3% | Added |
| D. E. Shaw & Co., Inc. | 755,473 | $15.4M | 0.01% | −575,952−43.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 768,425 | $15.6M | 0.06% | +161,336+26.6% | Added |
| Qube Research & Technologies Ltd | 783,918 | $16.0M | 0.02% | +480,796+158.6% | Added |
| OrbiMed Advisors LLC | 804,212 | $16.4M | 0.34% | −214,522−21.1% | Reduced |
| Madison Avenue Partners, LP | 823,707 | $16.8M | 0.72% | −1,884,511−69.6% | Reduced |
| State Street Corp | 1,075,993 | $21.9M | 0.00% | −226,985−17.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,334,516 | $27.2M | 0.02% | +1,075,762+415.7% | Added |
| Vanguard Group Inc | 1,525,355 | $31.1M | 0.00% | −1,193,422−43.9% | Reduced |
| BlackRock, Inc. | 2,290,532 | $46.6M | 0.00% | −426,621−15.7% | Reduced |
| DekaBank Deutsche Girozentrale | 7,550 | – | – | 00.0% | Unchanged |
| Western Standard LLC | 0 | $0 | 0.00% | −2,189,882−100.0% | Sold out |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −1,418,984−100.0% | Sold out |
| Alkeon Capital Management LLC | 0 | $0 | 0.00% | −850,511−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −850,000−100.0% | Sold out |
| Redmile Group, LLC | 0 | $0 | 0.00% | −552,506−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −257,518−100.0% | Sold out |
| Monimus Capital Management, LP | 0 | $0 | 0.00% | −108,051−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −100,141−100.0% | Sold out |
| Superstring Capital Management LP | 0 | $0 | 0.00% | −95,083−100.0% | Sold out |
| HighVista Strategies LLC | 0 | $0 | 0.00% | −83,050−100.0% | Sold out |
| DAFNA Capital Management LLC | 0 | $0 | 0.00% | −80,716−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −44,874−100.0% | Sold out |
| Polygon Management Ltd. | 0 | $0 | 0.00% | −43,000−100.0% | Sold out |
| Erste Asset Management GmbH | 0 | $0 | 0.00% | −41,400−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −19,673−100.0% | Sold out |
| Advantage Alpha Capital Partners LP | 0 | $0 | 0.00% | −18,059−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −14,483−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −11,494−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −11,136−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −10,362−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −1,417−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −86−100.0% | Sold out |
| Cornerstone Planning Group LLC | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |
| Point72 Europe (London) LLP | – | – | – | – | Not filed |