SCHEDULE 13G Filed 2026-07-17 Event — SEC 0002052113-26-000752 →

BlackRock Portfolio Management LLC → Keros Therapeutics, Inc. KROS

Stake: — Shares: — CUSIP: 492327101 Class: Common Stock

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

5 13D/G filings on this issuer

4 other filings besides this one

Filer Track Record

33 filings by this filer

32 other filings in the data moat

Short Interest · settle 2026-06-30

DTC 2.54

1,026,323 shares short · -27.1% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $791K

Point72 Asset Mgmt

Other 13D/G Filings on Keros Therapeutics, Inc.

Filed	Form	Filer	Stake	Shares
2025-04-28	SCHEDULE	ADAR1 Capital Management, LLC	13.29%	5,390,964	view →
2020-12-17	SC	Arkin Moshe	—	—	view →
2020-11-25	SC	Arkin Moshe	—	—	view →
2020-11-20	SC	ORBIMED ADVISORS LLC	—	—	view →

Other Filings by BlackRock Portfolio Management LLC

Filed	Form	Issuer	Stake	Shares
2026-07-17	SCHEDULE 13G	iSHARES TRUST	—	—	view →
2026-07-17	SCHEDULE 13G	FULCRUM THERAPEUTICS INC	—	—	view →
2026-07-17	SCHEDULE 13G	BLACKSTONE DIGITAL INFRASTRUCTURE	—	—	view →
2026-07-17	SCHEDULE 13G	SPROUT SOCIAL INC	—	—	view →
2026-07-17	SCHEDULE 13G	ISHARES INTERNATIONAL TREASURY BOND ETF	—	—	view →
2026-07-17	SCHEDULE 13G	THRYV HOLDINGS, INC.	—	—	view →
2026-07-17	SCHEDULE 13G	iSHARES TRUST	—	—	view →
2026-07-17	SCHEDULE 13G	SKINHEALTH SYSTEMS INC.	—	—	view →
2026-07-17	SCHEDULE 13G	ISHARES MSCI CHILE ETF	—	—	view →
2026-07-17	SCHEDULE 13G	ISHARES CHINA LARGE CAP ETF	—	—	view →
2026-07-17	SCHEDULE 13G	InvenTrust Properties Corp	—	—	view →
2026-07-17	SCHEDULE 13G	iShares MSCI Saudi Arabia ETF	—	—	view →
2026-07-17	SCHEDULE 13G	QUANTINUUM INC CLASS A	—	—	view →
2026-07-17	SCHEDULE 13G	RxSight, Inc.	—	—	view →
2026-07-17	SCHEDULE 13G	BRANDYWINE REALTY TRUST	—	—	view →
2026-07-17	SCHEDULE 13G	iShares Large Cap Core Active ETF	—	—	view →
2026-07-17	SCHEDULE 13G	iShares Flexible Equity Active ETF	—	—	view →
2026-07-17	SCHEDULE 13G	EVERQUOTE INC	—	—	view →
2026-07-17	SCHEDULE 13G	EVOLENT HEALTH, INC	—	—	view →
2026-07-17	SCHEDULE 13G	iShares MSCI Poland ETF	—	—	view →

Showing 20 of 32

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