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Keros Therapeutics Ownership | Who Owns Keros Therapeutics?

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Keros Therapeutics Ownership Summary

Keros Therapeutics is owned by 97.10% institutional investors, 2.05% insiders, and 0.85% retail investors. Fmr is the largest institutional shareholder, holding 15.35% of KROS shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.51% of its assets in Keros Therapeutics shares.

KROS Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockKeros Therapeutics97.10%2.05%0.85%
SectorHealthcare Stocks 57.39%9.93%32.68%
IndustryBiotech Stocks 68.48%9.65%21.87%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Fmr5.54M15.35%$87.75M
Blackrock2.51M8.53%$114.86M
Blackrock funding, inc. /de2.73M7.56%$43.20M
Vanguard group1.96M5.42%$30.98M
Braidwell lp1.89M5.25%$29.99M
Darwin global management1.69M4.67%$26.71M
State street1.22M4.15%$55.82M
Holocene advisors, lp1.20M3.32%$19.00M
Alkeon capital management1.10M3.05%$17.43M
Orbimed advisors1.02M2.82%$16.13M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Lynx1 capital management lp544.00K3.23%$8.61M
Darwin global management1.69M2.53%$26.71M
Mangrove partners736.38K1.29%$11.66M
Braidwell lp1.89M0.89%$29.99M
Blue owl capital lp242.63K0.89%$3.84M
Tcg crossover management550.00K0.85%$8.71M
Altium capital management lp175.00K0.79%$2.77M
Parkman healthcare partners314.54K0.66%$4.98M
Nantahala capital management915.05K0.62%$14.49M
Redmile group552.51K0.61%$8.75M

Top Buyers

HolderShares% AssetsChange
Braidwell lp1.89M0.89%1.19M
Fmr5.54M0.01%644.17K
Lynx1 capital management lp544.00K3.23%544.00K
Nantahala capital management915.05K0.62%533.39K
Mangrove partners736.38K1.29%449.39K

Top Sellers

HolderShares% AssetsChange
Point72 asset management1.59K0.00%-945.98K
Alkeon capital management1.10M0.04%-796.60K
Price t rowe associates inc /md/909.71K0.00%-604.80K
Paradigm biocapital advisors lp---525.04K
Adar1 capital management23.25K0.07%-421.82K

New Positions

HolderShares% AssetsChangeValue
Lynx1 capital management lp544.00K3.23%544.00K$8.61M
Verition fund management216.10K0.01%216.10K$3.42M
Walleye capital197.67K0.01%197.67K$3.13M
Clearbridge investments190.06K0.00%190.06K$3.01M
Federated hermes124.62K0.00%124.62K$1.97M

Sold Out

HolderChange
Farther finance advisors-1.00
Principal securities-3.00
Pnc financial services group-4.00
Nelson, van denburg & campbell wealth management group-4.00
Riggs asset managment-5.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 2024168-1.75%35,057,5030.30%971.04%11014.58%30-34.78%
Sep 30, 202417011.11%34,920,84311.04%961.27%9611.63%4615.00%
Jun 30, 20241521.33%31,449,8610.28%1060.99%85-10.53%408.11%
Mar 31, 202415023.97%31,360,89321.87%1041.38%9537.68%3719.35%
Dec 31, 202312114.15%25,732,58512.83%861.46%6938.00%316.90%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv1.02M2.51%-
Vanguard US Total Market Shares ETF960.39K2.37%1.20K
iShares Russell 2000 ETF857.58K2.11%-7.42K
Fidelity Select Health Care820.00K2.02%20.00K
SPDR® S&P Biotech ETF677.86K1.67%-7.26K
Vanguard Institutional Extnd Mkt Idx Tr558.72K1.38%1.11K
Fidelity Advisor Health Care I500.00K1.23%15.00K
Fidelity Small Cap Growth467.94K1.15%91.10K
Strategic Advisers Fidelity US TtlStk459.90K1.14%47.33K
US Small-Cap Growth II Equity Comp433.32K1.07%-444.56K

Recent Insider Transactions

DateNameRoleActivityValue
Apr 09, 2025ADAR1 Capital Management, LLC-Buy$174.37K
Apr 09, 2025ADAR1 Capital Management, LLC-Buy$3.20M
Apr 09, 2025ADAR1 Capital Management, LLC-Buy$767.86K
Apr 09, 2025ADAR1 Capital Management, LLC-Buy$5.17M
Apr 09, 2025ADAR1 Capital Management, LLC-Buy$153.75K

Insider Transactions Trends

DateBuySell
2025 Q1--
2024 Q4--
2024 Q3-4
2024 Q2--
2024 Q1--

KROS Ownership FAQ

Who Owns Keros Therapeutics?

Keros Therapeutics shareholders are primarily institutional investors at 97.10%, followed by 2.05% insiders and 0.85% retail investors. The average institutional ownership in Keros Therapeutics's industry, Biotech Stocks , is 68.48%, which Keros Therapeutics exceeds.

Who owns the most shares of Keros Therapeutics?

Keros Therapeutics’s largest shareholders are Fmr (5.54M shares, 15.35%), Blackrock (2.51M shares, 8.53%), and Blackrock funding, inc. /de (2.73M shares, 7.56%). Together, they hold 31.45% of Keros Therapeutics’s total shares outstanding.

Does Blackrock own Keros Therapeutics?

Yes, BlackRock owns 8.53% of Keros Therapeutics, totaling 2.51M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 114.86M$. In the last quarter, BlackRock increased its holdings by 347.23K shares, a 16.03% change.

Who is Keros Therapeutics’s biggest shareholder by percentage of total assets invested?

Lynx1 capital management lp is Keros Therapeutics’s biggest shareholder by percentage of total assets invested, with 3.23% of its assets in 544K Keros Therapeutics shares, valued at 8.61M$.

Who is the top mutual fund holder of Keros Therapeutics shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Keros Therapeutics shares, with 2.51% of its total shares outstanding invested in 1.02M Keros Therapeutics shares.

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