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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 2023

Institutional positions in Keros Therapeutics, Inc. as of Dec 31, 2023. 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
121
+15 vs. Q3 2023
Shares held
25.7M
+3.24M (+14.4%) vs. Q3 2023
Total value
$1.02B
+$306.4M (+42.7%) vs. Q3 2023
New holders
27
43 more added
Sold out
12
32 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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.

Institutional holdersQ4 2023: 121 institutions
Q1 2021: 83 institutionsQ2 2021: 80 institutionsQ3 2021: 89 institutionsQ4 2021: 99 institutionsQ1 2022: 106 institutionsQ2 2022: 104 institutionsQ3 2022: 113 institutionsQ4 2022: 126 institutionsQ1 2023: 129 institutionsQ2 2023: 123 institutionsQ3 2023: 107 institutionsQ4 2023: 121 institutionsQ1 2024: 147 institutionsQ2 2024: 152 institutionsQ3 2024: 164 institutionsQ4 2024: 161 institutionsQ1 2025: 156 institutionsQ2 2025: 139 institutionsQ3 2025: 155 institutionsQ4 2025: 166 institutionsQ1 2026: 151 institutionsQ2 2026: 132 institutions
Value heldQ4 2023: $1.02B
Q1 2021: $887.0MQ2 2021: $599.7MQ3 2021: $545.4MQ4 2021: $944.5MQ1 2022: $893.0MQ2 2022: $479.7MQ3 2022: $680.1MQ4 2022: $948.2MQ1 2023: $937.0MQ2 2023: $901.0MQ3 2023: $730.6MQ4 2023: $1.02BQ1 2024: $2.08BQ2 2024: $1.44BQ3 2024: $2.03BQ4 2024: $582.1MQ1 2025: $428.6MQ2 2025: $479.6MQ3 2025: $558.0MQ4 2025: $408.4MQ1 2026: $205.6MQ2 2026: $198.6M
Institutions holding KROS and their total value by quarter
QuarterHoldersValue
Q2 2026132$198.6M
Q1 2026151$205.6M
Q4 2025166$408.4M
Q3 2025155$558.0M
Q2 2025139$479.6M
Q1 2025156$428.6M
Q4 2024161$582.1M
Q3 2024164$2.03B
Q2 2024152$1.44B
Q1 2024147$2.08B
Q4 2023121$1.02B
Q3 2023107$730.6M
Q2 2023123$901.0M
Q1 2023129$937.0M
Q4 2022126$948.2M
Q3 2022113$680.1M
Q2 2022104$479.7M
Q1 2022106$893.0M
Q4 202199$944.5M
Q3 202189$545.4M
Q2 202180$599.7M
Q1 202183$887.0M

Institutions, Q4 2023

Shares, value and share of portfolio for each institution holding Keros Therapeutics, Inc.; share changes are against Q3 2023.

Institutions holding KROS in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Opaleye Management Inc.357,500$14.2M3.82%−2,900−0.8%Reduced
Deutsche Bank AG358,276$14.2M0.01%+345,704+2,749.8%Added
Parkman Healthcare Partners LLC360,467$14.3M2.03%+61,992+20.8%Added
Geode Capital Management, LLC510,211$20.3M0.00%+24,210+5.0%Added
Millennium Management LLC522,128$20.8M0.02%+318,071+155.9%Added
Eventide Asset Management, LLC580,000$23.1M0.38%00.0%Unchanged
Woodline Partners LP583,792$23.2M0.25%−134,631−18.7%Reduced
ADAR1 Capital Management, LLC688,316$27.4M12.24%+688,316New
Franklin Resources Inc699,425$27.8M0.01%+226,674+47.9%Added
Citadel Advisors LLC760,168$30.2M0.03%+355,019+87.6%Added
Candriam Luxembourg S.C.A.819,062$32.6M0.22%+78,001+10.5%Added
Morgan Stanley925,388$36.8M0.00%+476,687+106.2%Added
Price T Rowe Associates Inc1,041,701$41.4M0.01%−225,531−17.8%Reduced
State Street Corp1,054,367$41.9M0.00%+152,367+16.9%Added
Darwin Global Management, Ltd.1,060,427$42.2M8.28%+1,060,427New
Braidwell LP1,118,961$44.5M1.63%−238,348−17.6%Reduced
OrbiMed Advisors LLC1,268,734$50.4M1.01%−246,000−16.2%Reduced
Vanguard Group Inc1,432,195$56.9M0.00%+25,764+1.8%Added
Alkeon Capital Management LLC1,498,907$59.6M0.39%−177,615−10.6%Reduced
BlackRock Inc.2,036,788$81.0M0.00%+169,439+9.1%Added
FMR LLC3,874,204$154.0M0.01%+269,276+7.5%Added
Yiheng Capital Management, L.P.0$00.00%−554,151−100.0%Sold out
First Light Asset Management, LLC0$00.00%−421,438−100.0%Sold out
Renaissance Technologies LLC0$00.00%−43,700−100.0%Sold out
TD Asset Management Inc0$00.00%−36,200−100.0%Sold out
LMR Partners LLP0$00.00%−27,245−100.0%Sold out
Soleus Capital Management, L.P.0$00.00%−12,700−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−12,200−100.0%Sold out
Schroder Investment Management Group0$00.00%−7,917−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−7,000−100.0%Sold out
Tortoise Investment Management, LLC0$00.00%−312−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−124−100.0%Sold out
CWM, LLC0$00.00%−55−100.0%Sold out
CHI Advisors LLC––––Not filed