Keros Therapeutics, Inc. - Common Stock, $0.0001 par value per share (KROS)

Q: What does CUSIP 492327101 represent in this 13F holders report?

CUSIP 492327101 is the security identifier for KROS - Keros Therapeutics, Inc. - Common Stock, $0.0001 par value per share used to aggregate holder disclosures.

Q: How many institutions held KROS - Keros Therapeutics, Inc. - Common Stock, $0.0001 par value per share in Q4 2025?

162 institutional investors reported KROS - Keros Therapeutics, Inc. - Common Stock, $0.0001 par value per share for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: 492327101

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Common Stock, $0.0001 par value per share
Total 13F shares: 20,068,551
Total 13F value: $408,417,372
Share change: -15,029,816
Put/Call ratio: 44%
SEC-reported price per share: $20.36
Number of holders: 162
Value change: -$274,897,076
Number of buys: 77
Number of sells: 98
Shares outstanding: 19,716,217

Security key

492327101

Report period

Q4 2025

Institutions

162

Top holders

KROS full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 Keros Therapeutics, Inc. SEC filings Keros Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 492327101

Newer quarter: Q1 2026 Previous quarter: Q3 2025

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders of KROS - Keros Therapeutics, Inc. - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

D. E. SHAW & CO, L.P.

Disclosed value leader

ADAR1 Capital Management,...

Comparable rows

15/15

Latest evidence

31 Dec 2025

13D/G 13F 3/4/5 Lead comparable stake: 3.9% 13D/G row: D. E. SHAW & CO, L.P. Showing 1-6 of 15 holder rows.

Quick read

D. E. SHAW & CO, L.P. leads the comparable SEC ownership view at 3.9%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens D. E. SHAW & CO, L.P.'s linked filing trail.

Comparable ownership Top 5

D. E. SHAW & CO, L.P. 3.9%

Madison Avenue Partners, LP 2.7%

ALKEON CAPITAL MANAGEMENT LLC 2.7%

FMR LLC 1.7%

JPMORGAN CHASE & CO 0.2%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
D. E. SHAW & CO, L.P.	13D/G 13D/G	3.9%	$14,745,042 756,156 shares	-$15,400,944	31 Dec 2025
Madison Avenue Partners, LP	13F 13D/G Company · Madison Avenue International LP 13F 13D/G	2.7% from 13D/G	$42,844,009 2,708,218 shares	—	30 Sep 2025
ALKEON CAPITAL MANAGEMENT LLC	13D/G 13F Company 13D/G 13F	2.7%	$15,645,210 1,101,000 shares	$0	31 Dec 2024
FMR LLC	13D/G 13F Company 13D/G 13F	1.7%	$10,010,547 704,472 shares	$0	31 Jan 2025
JPMORGAN CHASE & CO	13F 13D/G Company 13F 13D/G	0.2% from 13D/G	$2,720,107 171,941 shares	—	30 Sep 2025
ExodusPoint Capital Management, LP	13D/G 13D/G	0.04%	$260,520 13,360 shares	-$36,943,510	31 Dec 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

162

20,068,551

Rows available

162

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

151

Q4 2025 holders

162

Holder diff

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend