Keros Therapeutics Ownership | Who Owns Keros Therapeutics?

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Keros Therapeutics Ownership Summary

Keros Therapeutics is owned by 90.59% institutional investors, 2.27% insiders, and 7.14% 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 2.69% of its assets in Keros Therapeutics shares.

KROS Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Keros Therapeutics	90.59%	2.27%	7.14%
Sector	Healthcare Stocks	279.19%	10.62%	-189.81%
Industry	Biotech Stocks	63.96%	10.74%	25.30%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Fmr	5.54M	15.35%	$87.75M
Blackrock	2.51M	8.53%	$114.86M
Blackrock funding, inc. /de	2.73M	7.56%	$43.20M
Vanguard group	1.96M	5.42%	$30.98M
State street	1.22M	4.15%	$55.82M
Alkeon capital management	1.10M	3.05%	$17.43M
Orbimed advisors	1.02M	2.82%	$16.13M
Nantahala capital management	915.05K	2.53%	$14.49M
Price t rowe associates inc /md/	909.71K	2.52%	$14.40M
Millennium management	878.16K	2.43%	$13.90M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Blue owl capital lp	242.63K	0.89%	$3.84M
Parkman healthcare partners	314.54K	0.66%	$4.98M
Nantahala capital management	915.05K	0.62%	$14.49M
Redmile group	552.51K	0.61%	$8.75M
Dafna capital management	130.32K	0.52%	$2.06M
Tfg asset management gp	103.00K	0.40%	$1.63M
Orbimed advisors	1.02M	0.33%	$16.13M
Highvista strategies	52.11K	0.31%	$824.85K
Birchview capital, lp	15.00K	0.19%	$237.45K
Edbi pte	10.11K	0.17%	$159.96K

Top Buyers

Holder	Shares	% Assets	Change
Fmr	5.54M	0.01%	644.17K
Nantahala capital management	915.05K	0.62%	533.39K
Blackrock	2.51M	0.00%	347.23K
Millennium management	878.16K	0.01%	305.17K
Verition fund management	216.10K	0.01%	216.10K

Top Sellers

Holder	Shares	% Assets	Change
Braidwell lp	-	-	-1.89M
Darwin global management	-	-	-1.69M
Holocene advisors, lp	-	-	-1.20M
Point72 asset management	1.59K	0.00%	-945.98K
Jefferies financial group	-	-	-866.74K

New Positions

Holder	Shares	% Assets	Change	Value
Verition fund management	216.10K	0.01%	216.10K	$3.42M
Walleye capital	197.67K	0.01%	197.67K	$3.13M
Clearbridge investments	190.06K	0.00%	190.06K	$3.01M
Federated hermes	124.62K	0.00%	124.62K	$1.97M
Tfg asset management gp	103.00K	0.40%	103.00K	$1.63M

Sold Out

Holder	Change
Ifp advisors	-1.00
Farther finance advisors	-1.00
Principal securities	-3.00
Pnc financial services group	-4.00
Nelson, van denburg & campbell wealth management group	-4.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Mar 31, 2024	150	23.97%	31,360,893	21.87%	104	1.38%	95	37.68%	37	19.35%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	1.09M	2.69%	75.20K
Vanguard US Total Market Shares ETF	960.39K	2.37%	1.20K
iShares Russell 2000 ETF	846.03K	2.08%	414.00
Fidelity Select Health Care	820.00K	2.02%	20.00K
Federated Hermes MDT SCC Institutional	766.76K	1.89%	719.96K
Federated Hermes MDT Small Cap Core IS	766.76K	1.89%	719.96K
SPDR® S&P Biotech ETF	624.32K	1.54%	807.00
Vanguard Institutional Extnd Mkt Idx Tr	578.18K	1.42%	1.23K
ACAP Strategic A	539.65K	1.33%	-394.34K
Fidelity Advisor Health Care I	500.00K	1.23%	15.00K

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 Q2	5	-
2025 Q1	-	-
2024 Q4	-	-
2024 Q3	-	4
2024 Q2	-	-

KROS Ownership FAQ

Who Owns Keros Therapeutics?

Keros Therapeutics shareholders are primarily institutional investors at 90.59%, followed by 2.27% insiders and 7.14% retail investors. The average institutional ownership in Keros Therapeutics's industry, Biotech Stocks , is 63.96%, 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?

Blue owl capital lp is Keros Therapeutics’s biggest shareholder by percentage of total assets invested, with 0.89% of its assets in 242.63K Keros Therapeutics shares, valued at 3.84M$.

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 2.69% of its total shares outstanding invested in 1.09M Keros Therapeutics shares.

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