Who Owns Harvard Bioscience (HBIO)? -- Institutional Holders (2026-06-30)

37 institutions reported holding $10.3M of Harvard Bioscience (HBIO) in SEC 13F filings for 2026-06-30. Largest institutional holders: WEBER CAPITAL MANAGEMENT LLC /ADV ($1.9M), VANGUARD GROUP INC ($1.2M), Meros Investment Management, LP ($1.1M), ACADIAN ASSET MANAGEMENT LLC ($1.1M), NANO CAP NEW MILLENNIUM GROWTH FUND L P ($879,954). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1WEBER CAPITAL MANAGEMENT LLC /ADV$1.9M310,861Trimmed
2VANGUARD GROUP INC$1.2M198,576Added
3Meros Investment Management, LP$1.1M182,992Added
4ACADIAN ASSET MANAGEMENT LLC$1.1M179,614Hold
5NANO CAP NEW MILLENNIUM GROWTH FUND L P$879,954143,082Added
6CORSAIR CAPITAL MANAGEMENT, L.P.$755,282122,810Trimmed
7TWO SIGMA INVESTMENTS, LP$704,452114,545Added
8RENAISSANCE TECHNOLOGIES LLC$610,86199,327Trimmed
9BlackRock, Inc.$380,28061,834Trimmed
10GEODE CAPITAL MANAGEMENT, LLC$292,53447,555Trimmed
11Mink Brook Asset Management LLC$205,21933,369New
12MILLENNIUM MANAGEMENT LLC$200,61332,620Trimmed
13ESSEX INVESTMENT MANAGEMENT CO LLC$165,88426,973Trimmed
14Williams & Novak, LLC$128,83620,949Trimmed
15UBS Group AG$108,12317,581Added
16RBF Capital, LLC$98,40016,000Hold
17STATE STREET CORP$91,83214,932Hold
18JANE STREET GROUP, LLC$85,98913,982Trimmed
19CITADEL ADVISORS LLC$81,49413,251New
20GOLDMAN SACHS GROUP INC$65,54110,657New
21Bank of New York Mellon Corp$62,91510,230Hold
22FMR LLC$19,5513,179Trimmed
23GROUP ONE TRADING LLC$15,6212,540Trimmed
24MORGAN STANLEY$10,0061,627Trimmed
25SBI Securities Co., Ltd.$5,326866Hold

Source: SEC Form 13F filings · as of 2026-06-30