Keros Therapeutics, Inc.

KROS

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001664710

SEC filings (opens in a new tab)

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.

Q4 2023 vs. Q3 2023

How the institutions holding Keros Therapeutics, Inc. changed between Q3 2023 and Q4 2023.

All holders in Q4 2023 All holders in Q3 2023

13F holders of KROS: Q3 2023 compared with Q4 2023
Measure	Q3 2023	Of which not filed for Q4 2023	Q4 2023	Change
Holders	107	1	121	+15
Shares	22.9M	407.6K	25.7M	+3.24M (+14.4%)
Value	$730.6M	$13.0M	$1.02B	+$306.4M (+42.7%)

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (27)

Institutions that held Keros Therapeutics, Inc. at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to KROS in Q4 2023
Institution	Shares	Value	% of portfolio
Darwin Global Management, Ltd.	1,060,427	$42.2M	8.28%
ADAR1 Capital Management, LLC	688,316	$27.4M	12.24%
Blue Owl Capital Holdings LP	352,633	$14.0M	3.35%
Superstring Capital Management LP	74,649	$2.97M	2.12%
Marshall Wace, LLP	49,472	$1.97M	0.00%
Platinum Investment Management Ltd	48,883	$1.94M	0.08%
Two Sigma Investments, LP	31,572	$1.26M	0.00%
Jefferies Financial Group Inc.	15,900	$632.2K	0.01%
Susquehanna International Group, LLP	15,532	$617.6K	0.00%
HRT Financial LP	13,122	$521.0K	0.00%
Tudor Investment Corp Et Al	9,443	$375.5K	0.01%
Arizona State Retirement System	5,805	$230.8K	0.00%
J. Goldman & Co LP	5,802	$230.7K	0.01%
ProShare Advisors LLC	5,640	$224.2K	0.00%
Y-Intercept (Hong Kong) Ltd	5,205	$207.0K	0.02%
Simplex Trading, LLC	969	$38.0K	0.00%
Sachetta, LLC	488	$19.4K	0.01%
Cubist Systematic Strategies, LLC	411	$16.3K	0.00%
Quest Partners LLC	386	$15.3K	0.00%
US Bancorp	347	$13.8K	0.00%
BFSG, LLC	200	$7.95K	0.00%
Signaturefd, LLC	76	$3.02K	0.00%
GAMMA Investing LLC	37	$2.05K	0.00%
Principal Securities, Inc.	44	$1.75K	0.00%
EntryPoint Capital, LLC	23	$914	0.00%
The PNC Financial Services Group, Inc.	22	$875	0.00%
Farther Finance Advisors, LLC	1	$40	0.00%

Sold out (12)

Institutions that held Keros Therapeutics, Inc. at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of KROS in Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
Yiheng Capital Management, L.P.	554,151	$17.7M
First Light Asset Management, LLC	421,438	$13.4M
Renaissance Technologies LLC	43,700	$1.39M
TD Asset Management Inc	36,200	$1.15M
LMR Partners LLP	27,245	$868.6K
Soleus Capital Management, L.P.	12,700	$404.9K
Allianz Asset Management GmbH	12,200	$388.9K
Schroder Investment Management Group	7,917	$253.7K
Healthcare of Ontario Pension Plan Trust Fund	7,000	$223.2K
Tortoise Investment Management, LLC	312	$9.95K
Allspring Global Investments Holdings, LLC	124	$3.95K
CWM, LLC	55	$2.00K

Not filed for Q4 2023 yet (1)

Institutions that held Keros Therapeutics, Inc. at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding KROS in Q3 2023 that haven't filed for Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
CHI Advisors LLC	407,633	$13.0M