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Keros Therapeutics Inc
KROSAdd to Watchlist
10.070USD
-0.150-1.47%
Close 07-31 16:00（ET）Quotes delayed by 15 min
199.30MMarket Cap
LossP/E TTM
Shareholding Stats
Updated: Wed, May 13
Updated: Wed, May 13
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
9.66%
Arrowstreet Capital, Limited Partnership
6.74%
State Street Investment Management (US)
5.44%
Vanguard Capital Management, LLC
4.20%
Madison Avenue Partners LP
4.16%
Other
69.79%
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
9.66%
Arrowstreet Capital, Limited Partnership
6.74%
State Street Investment Management (US)
5.44%
Vanguard Capital Management, LLC
4.20%
Madison Avenue Partners LP
4.16%
Other
69.79%
Shareholder Types
Shareholders
Proportion
Investment Advisor/Hedge Fund
36.73%
Investment Advisor
31.57%
Hedge Fund
27.98%
Research Firm
4.75%
Private Equity
4.06%
Individual Investor
2.38%
Corporation
1.27%
Pension Fund
0.95%
Family Office
0.74%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
427
22.62M
114.30%
-32.59M
2025Q4
407
29.78M
97.74%
-30.16M
2025Q3
385
41.03M
124.11%
-17.81M
2025Q2
392
46.16M
114.02%
-7.54M
2025Q1
394
39.41M
98.81%
-8.43M
2024Q4
366
43.10M
106.25%
-873.01K
2024Q3
351
43.05M
114.83%
+404.61K
2024Q2
337
39.69M
109.09%
-4.15M
2024Q1
332
39.81M
110.03%
+1.08M
2023Q4
310
34.40M
109.87%
-229.62K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
BlackRock Institutional Trust Company, N.A.
1.91M
9.7%
-442.79K
-18.80%
Dec 31, 2025
Arrowstreet Capital, Limited Partnership
1.33M
6.77%
+1.08M
+415.75%
Dec 31, 2025
State Street Investment Management (US)
1.08M
5.46%
-226.99K
-17.42%
Dec 31, 2025
Madison Avenue Partners LP
823.71K
4.18%
--
--
Feb 17, 2026
OrbiMed Advisors, LLC
804.21K
4.08%
--
--
Dec 31, 2025
Qube Research & Technologies Ltd
783.92K
3.98%
+480.80K
+158.61%
Dec 31, 2025
Jacobs Levy Equity Management, Inc.
768.42K
3.9%
+161.34K
+26.58%
Dec 31, 2025
D. E. Shaw & Co., L.P.
755.47K
3.83%
-790.48K
-51.13%
Dec 31, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
Virtus LifeSci Biotech Clinical Trials ETF
0.76%
ALPS Medical Breakthroughs ETF
0.26%
State Street SPDR S&P Biotech ETF
0.21%
Federated Hermes MDT Small Cap Core ETF
0.12%
Direxion Daily S&P Biotech Bull 3X Shares
0.1%
ProShares Ultra Nasdaq Biotechnology
0.09%
WisdomTree US SmallCap Quality Growth Fund
0.07%
Goldman Sachs ActiveBeta US Small Cap Equity ETF
0.06%
Invesco Nasdaq Biotechnology ETF
0.06%
iShares Biotechnology ETF
0.05%
View more
Virtus LifeSci Biotech Clinical Trials ETF
Proportion0.76%
ALPS Medical Breakthroughs ETF
Proportion0.26%
State Street SPDR S&P Biotech ETF
Proportion0.21%
Federated Hermes MDT Small Cap Core ETF
Proportion0.12%
Direxion Daily S&P Biotech Bull 3X Shares
Proportion0.1%
ProShares Ultra Nasdaq Biotechnology
Proportion0.09%
WisdomTree US SmallCap Quality Growth Fund
Proportion0.07%
Goldman Sachs ActiveBeta US Small Cap Equity ETF
Proportion0.06%
Invesco Nasdaq Biotechnology ETF
Proportion0.06%
iShares Biotechnology ETF
Proportion0.05%