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Massachusetts Financial Services »

Zenas Biopharma shares owned by Massachusetts Financial Services

Quarter-by-quarter ownership of Zenas Biopharma (ZBIO) shares owned by Massachusetts Financial Services from 13F filings

Historical chart of Massachusetts Financial Services investment in Zenas Biopharma

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

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Quarterly reported holdings in Zenas Biopharma by Massachusetts Financial Services

Quarter filed	Position value	Share count	Share price at filing
2026-06-30	$230k	9.1k	25.38

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Top funds holding Zenas Biopharma

Sr One Capital Management

NEA Management Company

Enavate Sciences GP

Federated Investors

Capital Research and Management Company - Division 3

Polar Capital Holdings

Royalty Pharma Sub-Manager

Fairmount Funds Management

Wellington Management Company

State Street Corporation

Vanguard Capital Management

Bank of America Corporation

View all funds holding Zenas Biopharma

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