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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,411,793 | $26.6M | 0.00% | +121,261+5.3% | Added |
| Nantahala Capital Management, LLC | 1,360,419 | $15.0M | 0.94% | +1,000,000+277.5% | Added |
| Vanguard Capital Management LLC | 831,421 | $9.18M | 0.00% | +831,421 | New |
| OrbiMed Advisors LLC | 759,155 | $8.38M | 0.19% | −45,057−5.6% | Reduced |
| Qube Research & Technologies Ltd | 724,926 | $8.00M | 0.01% | −58,992−7.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 706,071 | $7.80M | 0.03% | −62,354−8.1% | Reduced |
| Federated Hermes, Inc. | 689,229 | $7.61M | 0.01% | +34,505+5.3% | Added |
| Vanguard Portfolio Management LLC | 682,043 | $7.53M | 0.00% | +682,043 | New |
| Geode Capital Management, LLC | 681,460 | $7.52M | 0.00% | +46,252+7.3% | Added |
| Madison Avenue Partners, LP | 626,583 | $6.92M | 0.30% | −197,124−23.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 590,249 | $6.52M | 0.00% | −744,267−55.8% | Reduced |
| State Street Corp | 561,730 | $6.20M | 0.00% | −514,263−47.8% | Reduced |
| D. E. Shaw & Co., Inc. | 509,608 | $5.63M | 0.00% | −245,865−32.5% | Reduced |
| Renaissance Technologies LLC | 453,482 | $5.01M | 0.01% | −138,204−23.4% | Reduced |
| Citadel Advisors LLC | 406,666 | $4.49M | 0.00% | −65,854−13.9% | Reduced |
| AQR Capital Management LLC | 406,563 | $4.49M | 0.00% | +226,020+125.2% | Added |
| Two Sigma Investments, LP | 363,835 | $4.02M | 0.00% | +45,396+14.3% | Added |
| Dimensional Fund Advisors LP | 321,360 | $3.55M | 0.00% | +263,347+453.9% | Added |
| Nuveen, LLC | 262,075 | $2.89M | 0.00% | +198,978+315.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 257,884 | $2.85M | 0.01% | −63,462−19.7% | Reduced |
| Northern Trust Corp | 254,187 | $2.81M | 0.00% | +3,616+1.4% | Added |
| Man Group plc | 238,618 | $2.63M | 0.01% | +48,411+25.5% | Added |
| Goldman Sachs Group Inc | 224,479 | $2.48M | 0.00% | −366,038−62.0% | Reduced |
| Bridgeway Capital Management, LLC | 195,017 | $2.15M | 0.04% | +134,939+224.6% | Added |
| Charles Schwab Investment Management Inc | 179,952 | $1.99M | 0.00% | −6,827−3.7% | Reduced |
| Los Angeles Capital Management LLC | 172,196 | $1.90M | 0.01% | +138,425+409.9% | Added |
| Y-Intercept (Hong Kong) Ltd | 164,483 | $1.82M | 0.03% | +47,122+40.2% | Added |
| Mackenzie Financial Corp | 152,450 | $1.68M | 0.00% | +101,065+196.7% | Added |
| Wells Fargo & Company | 151,040 | $1.67M | 0.00% | +118,278+361.0% | Added |
| UBS Group AG | 145,573 | $1.61M | 0.00% | +48,489+49.9% | Added |
| Empowered Funds, LLC | 145,517 | $1.61M | 0.01% | +145,517 | New |
| Bessemer Group Inc | 143,853 | $1.59M | 0.00% | 00.0% | Unchanged |
| Vanguard Fiduciary Trust Co | 127,302 | $1.41M | 0.00% | +127,302 | New |
| Morgan Stanley | 124,112 | $1.37M | 0.00% | −106,380−46.2% | Reduced |
| Bank of New York Mellon Corp | 120,944 | $1.34M | 0.00% | −638−0.5% | Reduced |
| Point72 Asset Management, L.P. | 109,015 | $1.20M | 0.00% | +70,167+180.6% | Added |
| Millennium Management LLC | 106,858 | $1.18M | 0.00% | −113,351−51.5% | Reduced |
| Ameriprise Financial Inc | 102,479 | $1.13M | 0.00% | −20,349−16.6% | Reduced |
| ADAR1 Capital Management, LLC | 97,318 | $1.07M | 0.06% | +78,467+416.2% | Added |
| XTX Topco Ltd | 88,322 | $975.1K | 0.02% | +77,898+747.3% | Added |
| Invesco Ltd. | 87,772 | $969.0K | 0.00% | +344+0.4% | Added |
| Russell Investments Group, Ltd. | 81,311 | $897.7K | 0.00% | +537+0.7% | Added |
| HRT Financial LP | 77,002 | $850.0K | 0.00% | −183,889−70.5% | Reduced |
| Acadian Asset Management LLC | 65,436 | $721.0K | 0.00% | +65,436 | New |
| American Century Companies Inc | 64,260 | $709.4K | 0.00% | +27,620+75.4% | Added |
| RBF Capital, LLC | 62,800 | $693.3K | 0.03% | −18,924−23.2% | Reduced |
| Principal Financial Group Inc | 59,594 | $657.9K | 0.00% | +59,594 | New |
| Alliancebernstein L.P. | 30,860 | $628.3K | 0.00% | 00.0% | Unchanged |
| Rangeley Capital, LLC | 54,400 | $600.6K | 0.65% | −42,400−43.8% | Reduced |
| HSBC Holdings PLC | 53,986 | $598.7K | 0.00% | +53,986 | New |
| Bank of America Corp | 53,654 | $592.3K | 0.00% | −46,460−46.4% | Reduced |
| Deutsche Bank AG | 50,765 | $560.4K | 0.00% | −144,516−74.0% | Reduced |
| STRS Ohio | 50,600 | $558.6K | 0.00% | +21,300+72.7% | Added |
| Jump Financial, LLC | 50,393 | $556.3K | 0.01% | −110,743−68.7% | Reduced |
| Public Employees Retirement System of Ohio | 50,324 | $555.6K | 0.00% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 48,998 | $540.9K | 0.00% | +5,303+12.1% | Added |
| Martingale Asset Management L P | 47,596 | $525.5K | 0.01% | +8,217+20.9% | Added |
| Prelude Capital Management, LLC | 46,039 | $508.3K | 0.04% | +32,400+237.6% | Added |
| Price T Rowe Associates Inc | 45,876 | $507.0K | 0.00% | +16,177+54.5% | Added |
| Jane Street Group, LLC | 44,457 | $490.8K | 0.00% | −117,552−72.6% | Reduced |
| Canada Pension Plan Investment Board | 44,100 | $486.9K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 40,176 | $443.5K | 0.00% | −4,059−9.2% | Reduced |
| Globeflex Capital L P | 37,873 | $418.1K | 0.06% | +37,873 | New |
| JPMorgan Chase & Co | 37,680 | $402.4K | 0.00% | +19,042+102.2% | Added |
| Winton Group Ltd | 36,433 | $402.2K | 0.01% | +14,843+68.7% | Added |
| Panagora Asset Management Inc | 34,656 | $382.6K | 0.00% | −88,165−71.8% | Reduced |
| Aviva PLC | 34,307 | $378.7K | 0.00% | +34,307 | New |
| PDT Partners, LLC | 32,744 | $361.5K | 0.02% | −79,439−70.8% | Reduced |
| FMR LLC | 32,674 | $360.7K | 0.00% | −2,923−8.2% | Reduced |
| Magnetar Financial LLC | 30,085 | $332.1K | 0.00% | +30,085 | New |
| Tudor Investment Corp Et Al | 28,007 | $309.2K | 0.00% | −300−1.1% | Reduced |
| Quantinno Capital Management LP | 23,759 | $262.3K | 0.00% | +2,639+12.5% | Added |
| Barclays PLC | 23,157 | $255.7K | 0.00% | −51,569−69.0% | Reduced |
| Simplex Trading, LLC | 22,288 | $246.1K | 0.01% | +22,288 | New |
| Fox Run Management, L.L.C. | 22,790 | $243.4K | 0.04% | −2,890−11.3% | Reduced |
| Franklin Resources Inc | 21,756 | $240.2K | 0.00% | −5,826−21.1% | Reduced |
| LSV Asset Management | 20,900 | $231.0K | 0.00% | −2,200−9.5% | Reduced |
| Creative Planning | 17,807 | $196.6K | 0.00% | −5,324−23.0% | Reduced |
| MetLife Investment Management | 16,682 | $184.2K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 16,595 | $183.2K | 0.00% | −45,774−73.4% | Reduced |
| State of Wisconsin Investment Board | 15,932 | $175.9K | 0.00% | −3,903−19.7% | Reduced |
| Vanguard Global Advisers, LLC | 15,755 | $173.9K | 0.00% | +15,755 | New |
| EJF Capital LLC | 15,000 | $165.6K | 0.12% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 14,651 | $161.7K | 0.00% | +14,651 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 13,891 | $153.4K | 0.00% | −1,426−9.3% | Reduced |
| Mariner, LLC | 13,826 | $152.6K | 0.00% | −1,385−9.1% | Reduced |
| Virtus Investment Advisers, Inc. | 12,676 | $139.9K | 0.04% | +309+2.5% | Added |
| Mercer Global Advisors Inc | 11,742 | $129.6K | 0.00% | +11,742 | New |
| Lazard Asset Management LLC | 11,705 | $129.2K | 0.00% | +11,705 | New |
| Susquehanna International Group, LLP | 11,242 | $124.1K | 0.00% | −2,147−16.0% | Reduced |
| Oxford Asset Management LLP | 11,153 | $123.1K | 0.05% | −10,357−48.1% | Reduced |
| American Financial Group Inc | 10,105 | $111.6K | 0.04% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 9,135 | $101.0K | 0.00% | −89,568−90.7% | Reduced |
| New York State Common Retirement Fund | 9,116 | $100.6K | 0.00% | −1,500−14.1% | Reduced |
| CWM, LLC | 8,618 | $95.1K | 0.00% | +4,786+124.9% | Added |
| Police & Firemen's Retirement System of New Jersey | 7,700 | $85.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 6,904 | $76.2K | 0.00% | +2,590+60.0% | Added |
| China Universal Asset Management Co., Ltd. | 5,406 | $59.7K | 0.00% | +442+8.9% | Added |
| Royal Bank of Canada | 4,867 | $54.0K | 0.00% | −811−14.3% | Reduced |
| Sterling Capital Management LLC | 4,361 | $48.1K | 0.00% | −2,663−37.9% | Reduced |