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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,290,532 | $46.6M | 0.00% | −426,621−15.7% | Reduced |
| Vanguard Group Inc | 1,525,355 | $31.1M | 0.00% | −1,193,422−43.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,334,516 | $27.2M | 0.02% | +1,075,762+415.7% | Added |
| State Street Corp | 1,075,993 | $21.9M | 0.00% | −226,985−17.4% | Reduced |
| Madison Avenue Partners, LP | 823,707 | $16.8M | 0.72% | −1,884,511−69.6% | Reduced |
| OrbiMed Advisors LLC | 804,212 | $16.4M | 0.34% | −214,522−21.1% | Reduced |
| Qube Research & Technologies Ltd | 783,918 | $16.0M | 0.02% | +480,796+158.6% | Added |
| Jacobs Levy Equity Management, Inc | 768,425 | $15.6M | 0.06% | +161,336+26.6% | Added |
| D. E. Shaw & Co., Inc. | 755,473 | $15.4M | 0.01% | −575,952−43.3% | Reduced |
| Federated Hermes, Inc. | 654,724 | $13.3M | 0.02% | +140,564+27.3% | Added |
| Geode Capital Management, LLC | 635,208 | $12.9M | 0.00% | −202,155−24.1% | Reduced |
| Renaissance Technologies LLC | 591,686 | $12.0M | 0.02% | +436,986+282.5% | Added |
| Goldman Sachs Group Inc | 590,517 | $12.0M | 0.00% | −734,966−55.4% | Reduced |
| Citadel Advisors LLC | 472,520 | $9.62M | 0.01% | +296,376+168.3% | Added |
| Nantahala Capital Management, LLC | 360,419 | $7.34M | 0.44% | −872,770−70.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 321,346 | $6.54M | 0.02% | −13,808−4.1% | Reduced |
| Two Sigma Investments, LP | 318,439 | $6.48M | 0.01% | +235,916+285.9% | Added |
| HRT Financial LP | 260,891 | $5.31M | 0.02% | +218,092+509.6% | Added |
| Weiss Asset Management LP | 254,063 | $5.17M | 0.07% | +254,063 | New |
| Northern Trust Corp | 250,571 | $5.10M | 0.00% | −82,187−24.7% | Reduced |
| Morgan Stanley | 230,492 | $4.69M | 0.00% | −164,611−41.7% | Reduced |
| Millennium Management LLC | 220,209 | $4.48M | 0.00% | +166,863+312.8% | Added |
| Deutsche Bank AG | 195,281 | $3.98M | 0.00% | +172,022+739.6% | Added |
| Algert Global LLC | 193,607 | $3.94M | 0.06% | +145,828+305.2% | Added |
| Man Group plc | 190,207 | $3.87M | 0.01% | −2,647−1.4% | Reduced |
| Charles Schwab Investment Management Inc | 186,779 | $3.80M | 0.00% | −105,227−36.0% | Reduced |
| AQR Capital Management LLC | 180,543 | $3.68M | 0.00% | −23,808−11.7% | Reduced |
| Two Sigma Advisers, LP | 171,800 | $3.50M | 0.01% | +117,600+217.0% | Added |
| Jane Street Group, LLC | 162,009 | $3.30M | 0.00% | −446−0.3% | Reduced |
| Jump Financial, LLC | 161,136 | $3.28M | 0.04% | +161,136 | New |
| Nomura Holdings Inc | 156,753 | $3.19M | 0.01% | +156,753 | New |
| Bessemer Group Inc | 143,853 | $2.93M | 0.00% | +143,853 | New |
| Ameriprise Financial Inc | 122,828 | $2.50M | 0.00% | +2,395+2.0% | Added |
| Panagora Asset Management Inc | 122,821 | $2.50M | 0.01% | +92,360+303.2% | Added |
| Bank of New York Mellon Corp | 121,582 | $2.48M | 0.00% | +10,700+9.6% | Added |
| Y-Intercept (Hong Kong) Ltd | 117,361 | $2.39M | 0.05% | +68,816+141.8% | Added |
| PDT Partners, LLC | 112,183 | $2.28M | 0.15% | −220,632−66.3% | Reduced |
| Bank of America Corp | 100,114 | $2.04M | 0.00% | −126,013−55.7% | Reduced |
| SG Americas Securities, LLC | 98,703 | $2.01M | 0.00% | +92,212+1,420.6% | Added |
| UBS Group AG | 97,084 | $1.98M | 0.00% | −6,780−6.5% | Reduced |
| Rangeley Capital, LLC | 96,800 | $1.97M | 1.70% | −161,819−62.6% | Reduced |
| Invesco Ltd. | 87,428 | $1.78M | 0.00% | +12,449+16.6% | Added |
| RBF Capital, LLC | 81,724 | $1.66M | 0.08% | −68,276−45.5% | Reduced |
| Russell Investments Group, Ltd. | 80,774 | $1.64M | 0.00% | −12,265−13.2% | Reduced |
| Barclays PLC | 74,726 | $1.52M | 0.00% | −24,374−24.6% | Reduced |
| Nuveen, LLC | 63,097 | $1.28M | 0.00% | −12,758−16.8% | Reduced |
| Engineers Gate Manager LP | 62,369 | $1.27M | 0.02% | +36,000+136.5% | Added |
| Bridgeway Capital Management, LLC | 60,078 | $1.22M | 0.03% | +60,078 | New |
| Dimensional Fund Advisors LP | 58,013 | $1.18M | 0.00% | +22,055+61.3% | Added |
| Gsa Capital Partners LLP | 51,346 | $1.04M | 0.09% | +26,046+102.9% | Added |
| Mackenzie Financial Corp | 51,385 | $1.04M | 0.00% | −5,383−9.5% | Reduced |
| Public Employees Retirement System of Ohio | 50,324 | $1.02M | 0.00% | +8,871+21.4% | Added |
| Rhumbline Advisers | 44,235 | $900.6K | 0.00% | −6,243−12.4% | Reduced |
| Canada Pension Plan Investment Board | 44,100 | $897.9K | 0.00% | −183,200−80.6% | Reduced |
| Massachusetts Financial Services Co | 43,695 | $889.6K | 0.00% | +43,695 | New |
| Hussman Strategic Advisors, Inc. | 42,000 | $855.1K | 0.21% | +42,000 | New |
| Martingale Asset Management L P | 39,379 | $801.8K | 0.02% | +202+0.5% | Added |
| Point72 Asset Management, L.P. | 38,848 | $790.9K | 0.00% | +38,848 | New |
| American Century Companies Inc | 36,640 | $746.0K | 0.00% | −2,526−6.4% | Reduced |
| FMR LLC | 35,597 | $724.8K | 0.00% | −64,934−64.6% | Reduced |
| Wells Fargo & Company | 32,762 | $667.0K | 0.00% | +6,872+26.5% | Added |
| Quest Partners LLC | 32,090 | $653.4K | 0.04% | +16,841+110.4% | Added |
| Cambria Investment Management, L.P. | 31,312 | $637.5K | 0.04% | +31,312 | New |
| Alliancebernstein L.P. | 30,860 | $628.3K | 0.00% | +3,050+11.0% | Added |
| Rafferty Asset Management, LLC | 30,280 | $616.5K | 0.00% | −13,786−31.3% | Reduced |
| Price T Rowe Associates Inc | 29,699 | $605.0K | 0.00% | −20,282−40.6% | Reduced |
| Caption Management, LLC | 29,500 | $600.6K | 0.03% | −6,578−18.2% | Reduced |
| STRS Ohio | 29,300 | $596.5K | 0.00% | +1,100+3.9% | Added |
| Tudor Investment Corp Et Al | 28,307 | $576.3K | 0.00% | +8,782+45.0% | Added |
| Franklin Resources Inc | 27,582 | $561.6K | 0.00% | −60,176−68.6% | Reduced |
| Fox Run Management, L.L.C. | 25,680 | $522.8K | 0.08% | +25,680 | New |
| Los Angeles Capital Management LLC | 33,771 | $507.6K | 0.00% | −3,232−8.7% | Reduced |
| Skopos Labs, Inc. | 23,750 | $490.0K | 0.02% | +23,750 | New |
| Creative Planning | 23,131 | $470.9K | 0.00% | −3,442−13.0% | Reduced |
| LSV Asset Management | 23,100 | $470.0K | 0.00% | +23,100 | New |
| Winton Group Ltd | 21,590 | $439.6K | 0.02% | +21,590 | New |
| Oxford Asset Management LLP | 21,510 | $437.9K | 0.15% | +21,510 | New |
| Quantinno Capital Management LP | 21,120 | $430.0K | 0.00% | −11−0.1% | Reduced |
| State of Wisconsin Investment Board | 19,835 | $403.8K | 0.00% | −2,389−10.7% | Reduced |
| Quantedge Capital Pte Ltd | 19,292 | $392.8K | 0.19% | +19,292 | New |
| ADAR1 Capital Management, LLC | 18,851 | $383.8K | 0.03% | −5,370,413−99.7% | Reduced |
| Penserra Capital Management LLC | 18,839 | $383.0K | 0.00% | +18,839 | New |
| JPMorgan Chase & Co | 18,638 | $379.5K | 0.00% | −153,303−89.2% | Reduced |
| Entropy Technologies, LP | 17,891 | $364.3K | 0.02% | +17,891 | New |
| Campbell & CO Investment Adviser LLC | 17,630 | $358.9K | 0.02% | +17,630 | New |
| Polymer Capital Management (US) LLC | 17,495 | $356.2K | 0.05% | +6,347+56.9% | Added |
| Legato Capital Management LLC | 16,974 | $345.6K | 0.03% | +16,974 | New |
| Integrated Quantitative Investments LLC | 16,974 | $345.6K | 0.07% | +16,974 | New |
| MetLife Investment Management | 16,682 | $339.6K | 0.00% | −3,067−15.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 15,317 | $311.7K | 0.00% | −2,824−15.6% | Reduced |
| Mariner, LLC | 15,211 | $309.7K | 0.00% | −497−3.2% | Reduced |
| EJF Capital LLC | 15,000 | $305.4K | 0.17% | +15,000 | New |
| Abacus Wealth Partners, LLC | 14,109 | $287.3K | 0.03% | +14,109 | New |
| Prelude Capital Management, LLC | 13,639 | $277.7K | 0.02% | +13,639 | New |
| Susquehanna International Group, LLP | 13,389 | $272.6K | 0.00% | −203,311−93.8% | Reduced |
| ExodusPoint Capital Management, LP | 13,360 | $272.0K | 0.00% | −9,615−41.8% | Reduced |
| Intech Investment Management LLC | 13,265 | $270.1K | 0.00% | −3,408−20.4% | Reduced |
| VARCOV Co. | 12,810 | $260.8K | 0.10% | +12,810 | New |
| Virtus Investment Advisers, Inc. | 12,367 | $251.8K | 0.07% | +4,025+48.2% | Added |
| Profund Advisors LLC | 11,483 | $233.8K | 0.01% | +11,483 | New |