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Keros Therapeutics shares owned by Massachusetts Financial Services

Quarter-by-quarter ownership of Keros Therapeutics (KROS) shares owned by Massachusetts Financial Services from 13F filings

Historical chart of Massachusetts Financial Services investment in Keros Therapeutics

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All positions including Keros Therapeutics held by Massachusetts Financial Services consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Keros Therapeutics by Massachusetts Financial Services

Quarter filed Position value Share count Share price at filing
2026-06-30 $504k 47k 10.70
2026-03-31 $541k 49k 11.04
2025-12-31 $890k 44k 20.36

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Top funds holding Keros Therapeutics

BlackRock
Nantahala Capital Management
AQR Capital Management
Vanguard Capital Management
OrbiMed Advisors
Federated Investors
Vanguard Portfolio Management
Mackenzie Financial
Madison Avenue Partners
Qube Research & Technologies
Jacobs Levy Equity Management
State Street Corporation
Geode Capital Management
Dimensional Fund Advisors
Citadel Advisors

View all funds holding Keros Therapeutics