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, Q1 2026
Institutional positions in Keros Therapeutics, Inc. as of Mar 31, 2026. 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
- 151
- −13 vs. Q4 2025
- Shares held
- 18.6M
- +46.1K (+0.2%) vs. Q4 2025
- Total value
- $205.6M
- −$171.8M (−45.5%) vs. Q4 2025
- New holders
- 27
- 48 more added
- Sold out
- 40
- 55 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Keros Therapeutics, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of America Corp | 53,654 | $592.3K | 0.00% | −46,460−46.4% | Reduced |
| HSBC Holdings PLC | 53,986 | $598.7K | 0.00% | +53,986 | New |
| Rangeley Capital, LLC | 54,400 | $600.6K | 0.65% | −42,400−43.8% | Reduced |
| Alliancebernstein L.P. | 30,860 | $628.3K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 59,594 | $657.9K | 0.00% | +59,594 | New |
| RBF Capital, LLC | 62,800 | $693.3K | 0.03% | −18,924−23.2% | Reduced |
| American Century Companies Inc | 64,260 | $709.4K | 0.00% | +27,620+75.4% | Added |
| Acadian Asset Management LLC | 65,436 | $721.0K | 0.00% | +65,436 | New |
| HRT Financial LP | 77,002 | $850.0K | 0.00% | −183,889−70.5% | Reduced |
| Russell Investments Group, Ltd. | 81,311 | $897.7K | 0.00% | +537+0.7% | Added |
| Invesco Ltd. | 87,772 | $969.0K | 0.00% | +344+0.4% | Added |
| XTX Topco Ltd | 88,322 | $975.1K | 0.02% | +77,898+747.3% | Added |
| ADAR1 Capital Management, LLC | 97,318 | $1.07M | 0.06% | +78,467+416.2% | Added |
| Ameriprise Financial Inc | 102,479 | $1.13M | 0.00% | −20,349−16.6% | Reduced |
| Millennium Management LLC | 106,858 | $1.18M | 0.00% | −113,351−51.5% | Reduced |
| Point72 Asset Management, L.P. | 109,015 | $1.20M | 0.00% | +70,167+180.6% | Added |
| Bank of New York Mellon Corp | 120,944 | $1.34M | 0.00% | −638−0.5% | Reduced |
| Morgan Stanley | 124,112 | $1.37M | 0.00% | −106,380−46.2% | Reduced |
| Vanguard Fiduciary Trust Co | 127,302 | $1.41M | 0.00% | +127,302 | New |
| Bessemer Group Inc | 143,853 | $1.59M | 0.00% | 00.0% | Unchanged |
| Empowered Funds, LLC | 145,517 | $1.61M | 0.01% | +145,517 | New |
| UBS Group AG | 145,573 | $1.61M | 0.00% | +48,489+49.9% | Added |
| Wells Fargo & Company | 151,040 | $1.67M | 0.00% | +118,278+361.0% | Added |
| Mackenzie Financial Corp | 152,450 | $1.68M | 0.00% | +101,065+196.7% | Added |
| Y-Intercept (Hong Kong) Ltd | 164,483 | $1.82M | 0.03% | +47,122+40.2% | Added |
| Los Angeles Capital Management LLC | 172,196 | $1.90M | 0.01% | +138,425+409.9% | Added |
| Charles Schwab Investment Management Inc | 179,952 | $1.99M | 0.00% | −6,827−3.7% | Reduced |
| Bridgeway Capital Management, LLC | 195,017 | $2.15M | 0.04% | +134,939+224.6% | Added |
| Goldman Sachs Group Inc | 224,479 | $2.48M | 0.00% | −366,038−62.0% | Reduced |
| Man Group plc | 238,618 | $2.63M | 0.01% | +48,411+25.5% | Added |
| Northern Trust Corp | 254,187 | $2.81M | 0.00% | +3,616+1.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 257,884 | $2.85M | 0.01% | −63,462−19.7% | Reduced |
| Nuveen, LLC | 262,075 | $2.89M | 0.00% | +198,978+315.4% | Added |
| Dimensional Fund Advisors LP | 321,360 | $3.55M | 0.00% | +263,347+453.9% | Added |
| Two Sigma Investments, LP | 363,835 | $4.02M | 0.00% | +45,396+14.3% | Added |
| AQR Capital Management LLC | 406,563 | $4.49M | 0.00% | +226,020+125.2% | Added |
| Citadel Advisors LLC | 406,666 | $4.49M | 0.00% | −65,854−13.9% | Reduced |
| Renaissance Technologies LLC | 453,482 | $5.01M | 0.01% | −138,204−23.4% | Reduced |
| D. E. Shaw & Co., Inc. | 509,608 | $5.63M | 0.00% | −245,865−32.5% | Reduced |
| State Street Corp | 561,730 | $6.20M | 0.00% | −514,263−47.8% | Reduced |
| Arrowstreet Capital, Limited Partnership | 590,249 | $6.52M | 0.00% | −744,267−55.8% | Reduced |
| Madison Avenue Partners, LP | 626,583 | $6.92M | 0.30% | −197,124−23.9% | Reduced |
| Geode Capital Management, LLC | 681,460 | $7.52M | 0.00% | +46,252+7.3% | Added |
| Vanguard Portfolio Management LLC | 682,043 | $7.53M | 0.00% | +682,043 | New |
| Federated Hermes, Inc. | 689,229 | $7.61M | 0.01% | +34,505+5.3% | Added |
| Jacobs Levy Equity Management, Inc | 706,071 | $7.80M | 0.03% | −62,354−8.1% | Reduced |
| Qube Research & Technologies Ltd | 724,926 | $8.00M | 0.01% | −58,992−7.5% | Reduced |
| OrbiMed Advisors LLC | 759,155 | $8.38M | 0.19% | −45,057−5.6% | Reduced |
| Vanguard Capital Management LLC | 831,421 | $9.18M | 0.00% | +831,421 | New |
| Nantahala Capital Management, LLC | 1,360,419 | $15.0M | 0.94% | +1,000,000+277.5% | Added |
| BlackRock, Inc. | 2,411,793 | $26.6M | 0.00% | +121,261+5.3% | Added |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −254,063−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −193,607−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −171,800−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −156,753−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −51,346−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −42,000−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −32,090−100.0% | Sold out |
| Cambria Investment Management, L.P. | 0 | $0 | 0.00% | −31,312−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −30,280−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −29,500−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −23,750−100.0% | Sold out |
| Quantedge Capital Pte Ltd | 0 | $0 | 0.00% | −19,292−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −18,839−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −17,891−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −17,630−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −17,495−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −16,974−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −16,974−100.0% | Sold out |
| Abacus Wealth Partners, LLC | 0 | $0 | 0.00% | −14,109−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −13,360−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −13,265−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −12,810−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −11,483−100.0% | Sold out |
| Cornerstone Investment Partners, LLC | 0 | $0 | 0.00% | −11,150−100.0% | Sold out |
| Equitec Proprietary Markets, LLC | 0 | $0 | 0.00% | −8,600−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −1,624−100.0% | Sold out |
| Financial Management Professionals, Inc. | 0 | $0 | 0.00% | −1,443−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −1,396−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −918−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −251−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −245−100.0% | Sold out |
| Whittier Trust Co | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −133−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Avion Wealth | 0 | $0 | 0.00% | −36−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −7,550−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |