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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, Q1 2024

Institutional positions in Keros Therapeutics, Inc. as of Mar 31, 2024. 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
147
+27 vs. Q4 2023
Shares held
31.4M
+5.66M (+22.0%) vs. Q4 2023
Total value
$2.08B
+$1.05B (+103.0%) vs. Q4 2023
New holders
37
57 more added
Sold out
10
40 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 147 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 heldQ1 2024: $2.08B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Keros Therapeutics, Inc.; share changes are against Q4 2023.

Institutions holding KROS in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Bank of New York Mellon Corp99,633$6.60M0.00%+5,129+5.4%Added
Nuveen Asset Management, LLC101,239$6.70M0.00%+25,643+33.9%Added
WCM Investment Management, LLC117,030$7.75M0.02%−37,634−24.3%Reduced
Citigroup Inc117,456$7.78M0.01%−51,935−30.7%Reduced
Rafferty Asset Management, LLC119,511$7.91M0.03%+54,230+83.1%Added
Deutsche Bank AG124,072$8.21M0.00%−234,204−65.4%Reduced
UBS Group AG124,185$8.22M0.00%−57,200−31.5%Reduced
Granahan Investment Management Inc149,013$9.86M0.35%+149,013New
Dimensional Fund Advisors LP165,406$10.9M0.00%−5,446−3.2%Reduced
Bank of America Corp172,477$11.4M0.00%−20,972−10.8%Reduced
Blue Owl Capital Holdings LP172,633$11.4M2.28%−180,000−51.0%Reduced
Parkman Healthcare Partners LLC178,335$11.8M1.45%−182,132−50.5%Reduced
EcoR1 Capital, LLC187,500$12.4M0.32%+187,500New
Adage Capital Partners GP, L.L.C.190,000$12.6M0.02%+190,000New
CIBC World Markets Corp200,000$13.2M0.09%+200,000New
Charles Schwab Investment Management Inc207,758$13.8M0.00%+26,180+14.4%Added
Avidity Partners Management LP209,700$13.9M0.49%+209,700New
Northern Trust Corp235,638$15.6M0.00%+18,792+8.7%Added
American Century Companies Inc238,806$15.8M0.01%+24,209+11.3%Added
Goldman Sachs Group Inc258,368$17.1M0.00%+53,269+26.0%Added
Marshall Wace, LLP272,971$18.1M0.03%+223,499+451.8%Added
Soleus Capital Management, L.P.273,600$18.1M1.59%+273,600New
Morgan Stanley289,157$19.1M0.00%−636,231−68.8%Reduced
Nantahala Capital Management, LLC293,997$19.5M1.91%−16,144−5.2%Reduced
Millennium Management LLC337,663$22.4M0.02%−184,465−35.3%Reduced
ADAR1 Capital Management, LLC338,243$22.4M6.11%−350,073−50.9%Reduced
Opaleye Management Inc.367,500$24.3M5.30%+10,000+2.8%Added
Citadel Advisors LLC450,278$29.8M0.03%−309,890−40.8%Reduced
Redmile Group, LLC552,506$36.6M1.34%+552,506New
Geode Capital Management, LLC595,846$39.5M0.00%+85,635+16.8%Added
Franklin Resources Inc632,049$41.8M0.01%−67,376−9.6%Reduced
Jefferies Financial Group Inc.633,671$41.9M0.85%+617,771+3,885.4%Added
Holocene Advisors, LP637,983$42.2M0.16%+637,983New
Candriam Luxembourg S.C.A.651,999$43.2M0.28%−167,063−20.4%Reduced
Eventide Asset Management, LLC680,000$45.0M0.71%+100,000+17.2%Added
Braidwell LP737,379$48.8M1.57%−381,582−34.1%Reduced
Woodline Partners LP761,700$50.4M0.47%+177,908+30.5%Added
TCG Crossover Management, LLC879,344$58.2M4.60%+879,344New
Point72 Asset Management, L.P.971,881$64.3M0.19%+890,651+1,096.5%Added
Price T Rowe Associates Inc1,218,504$80.7M0.01%+176,803+17.0%Added
OrbiMed Advisors LLC1,268,734$84.0M1.64%00.0%Unchanged
Darwin Global Management, Ltd.1,435,950$95.1M12.65%+375,523+35.4%Added
Vanguard Group Inc1,545,758$102.3M0.00%+113,563+7.9%Added
State Street Corp1,562,895$103.5M0.00%+508,528+48.2%Added
Alkeon Capital Management LLC1,598,907$105.8M0.58%+100,000+6.7%Added
BlackRock Inc.2,166,010$143.4M0.00%+129,222+6.3%Added
FMR LLC5,018,516$332.2M0.02%+1,144,312+29.5%Added
Norges Bank0$00.00%−35,700−100.0%Sold out
HRT Financial LP0$00.00%−13,122−100.0%Sold out
SG Americas Securities, LLC0$00.00%−12,252−100.0%Sold out
Chescapmanager LLC0$00.00%−10,105−100.0%Sold out
J. Goldman & Co LP0$00.00%−5,802−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−5,205−100.0%Sold out
Simplex Trading, LLC0$00.00%−969−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−411−100.0%Sold out
BFSG, LLC0$00.00%−200−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−23−100.0%Sold out
Putnam Investments LLC––––Not filed