Keros Therapeutics Ownership | Who Owns Keros Therapeutics?

Overview Forecast RevenueFinancials Chart

Keros Therapeutics Ownership Summary

Keros Therapeutics is owned by 88.45% institutional investors, 2.50% insiders, and 9.05% 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 2.63% of its assets in Keros Therapeutics shares.

KROS Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Keros Therapeutics	88.45%	2.50%	9.05%
Sector	Healthcare Stocks	488.17%	11.08%	-399.26%
Industry	Biotech Stocks	306.59%	11.10%	-217.69%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Fmr	5.54M	15.35%	$87.75M
Adar1 capital management	5.39M	13.27%	$71.95M
Blackrock	2.51M	8.53%	$114.86M
Blackrock funding, inc. /de	2.73M	6.73%	$36.48M
Vanguard group	1.96M	5.42%	$30.98M
Logos global management lp	2.00M	4.92%	$26.70M
State street	1.22M	4.15%	$55.82M
Nantahala capital management	1.62M	3.99%	$21.64M
Western standard	1.53M	3.78%	$20.49M
Tang capital management	1.42M	3.49%	$18.94M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Western standard	1.53M	11.40%	$20.49M
Adar1 capital management	5.39M	11.03%	$71.95M
Logos global management lp	2.00M	2.95%	$26.70M
Tang capital management	1.42M	0.96%	$18.94M
Nantahala capital management	1.62M	0.85%	$21.64M
Redmile group	552.51K	0.79%	$7.38M
Newtyn management	246.86K	0.50%	$3.30M
Dafna capital management	130.32K	0.48%	$1.74M
Tfg asset management gp	103.00K	0.40%	$1.63M
Orbimed advisors	1.02M	0.34%	$13.60M

Top Buyers

Holder	Shares	% Assets	Change
Adar1 capital management	5.39M	11.03%	3.90M
Western standard	1.53M	11.40%	1.40M
Fmr	5.54M	0.01%	644.17K
Blackrock	2.51M	0.00%	347.23K
Tang capital management	1.42M	0.96%	318.98K

Top Sellers

Holder	Shares	% Assets	Change
Braidwell lp	-	-	-1.89M
Darwin global management	-	-	-1.69M
Holocene advisors, lp	-	-	-1.20M
Jefferies financial group	-	-	-866.74K
Mangrove partners	-	-	-736.38K

New Positions

Holder	Shares	% Assets	Change	Value
Canada pension plan investment board	318.40K	0.00%	318.40K	$4.25M
Newtyn management	246.86K	0.50%	246.86K	$3.30M
Federated hermes	124.62K	0.00%	124.62K	$1.97M
Tfg asset management gp	103.00K	0.40%	103.00K	$1.63M
Norges bank	64.90K	0.00%	64.90K	$1.03M

Sold Out

Holder	Change
Ifp advisors	-1.00
Farther finance advisors	-1.00
Pnc financial services group	-4.00
Nelson, van denburg & campbell wealth management group	-4.00
Riggs asset managment	-5.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	143	-13.86%	35,921,666	4.01%	88	1.22%	82	-14.58%	35	-7.89%
Mar 31, 2025	169	-2.87%	36,741,515	-0.02%	90	0.87%	98	-14.04%	38	22.58%
Dec 31, 2024	168	-1.75%	35,057,503	0.30%	97	1.04%	110	14.58%	30	-34.78%
Sep 30, 2024	170	11.11%	34,920,843	11.04%	96	1.27%	96	11.63%	46	15.00%
Jun 30, 2024	152	1.33%	31,449,861	0.28%	106	0.99%	85	-10.53%	40	8.11%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	1.07M	2.63%	-23.70K
Vanguard US Total Market Shares ETF	960.39K	2.37%	1.20K
Fidelity Select Health Care	820.00K	2.02%	20.00K
iShares Russell 2000 ETF	807.57K	1.99%	-15.33K
SPDR® S&P Biotech ETF	657.93K	1.62%	16.23K
Fidelity Advisor Health Care I	500.00K	1.23%	15.00K
Fidelity Small Cap Growth	467.94K	1.15%	91.10K
Strategic Advisers Fidelity US TtlStk	459.90K	1.14%	47.33K
Vanguard Explorer Inv	454.00K	1.12%	85.46K
Federated Hermes MDT SCC Institutional	450.87K	1.11%	-315.89K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 09, 2025	ADAR1 Capital Management, LLC	-	Buy	$174.37K
Apr 09, 2025	ADAR1 Capital Management, LLC	-	Buy	$3.20M
Apr 09, 2025	ADAR1 Capital Management, LLC	-	Buy	$767.86K
Apr 09, 2025	ADAR1 Capital Management, LLC	-	Buy	$5.17M
Apr 09, 2025	ADAR1 Capital Management, LLC	-	Buy	$153.75K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	-
2025 Q2	5	-
2025 Q1	-	-
2024 Q4	-	-
2024 Q3	-	4

KROS Ownership FAQ

Who Owns Keros Therapeutics?

Keros Therapeutics shareholders are primarily institutional investors at 88.45%, followed by 2.50% insiders and 9.05% retail investors. The average institutional ownership in Keros Therapeutics's industry, Biotech Stocks , is 306.59%, which Keros Therapeutics falls below.

Who owns the most shares of Keros Therapeutics?

Keros Therapeutics’s largest shareholders are Fmr (5.54M shares, 15.35%), Adar1 capital management (5.39M shares, 13.27%), and Blackrock (2.51M shares, 8.53%). Together, they hold 37.16% 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?

Western standard is Keros Therapeutics’s biggest shareholder by percentage of total assets invested, with 11.40% of its assets in 1.53M Keros Therapeutics shares, valued at 20.49M$.

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 2.63% of its total shares outstanding invested in 1.07M Keros Therapeutics shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools