HARVARD BIOSCIENCE INC

PublicCIK: 1123494
HBIONASDAQ
Location

HOLLISTON, MA

13F Filings

Institutional Holders

HARVARD BIOSCIENCE INCHBIO— Latest position per institution from SEC 13F filings

15

Institutional holders

1.34M

Total shares held

5.65M

Estimated value

66.92K

Avg. position size

1

WEBER CAPITAL MANAGEMENT LLC /ADV

CIK 1099905

Shares

320.04K

Value

1.56M

Filed

Mar 31, 2026

2

ACADIAN ASSET MANAGEMENT LLC

CIK 916542

Shares

179.61K

Value

873.00

Filed

Mar 31, 2026

3

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

163.31K

Value

795.33K

Filed

Mar 31, 2026

4

CORSAIR CAPITAL MANAGEMENT, L.P.

CIK 1276470

Shares

124.81K

Value

607.83K

Filed

Mar 31, 2026

5

TWO SIGMA INVESTMENTS, LP

CIK 1179392

Shares

114.12K

Value

555.75K

Filed

Mar 31, 2026

6

RENAISSANCE TECHNOLOGIES LLC

CIK 1037389

Shares

101.43K

Value

493.95K

Filed

Mar 31, 2026

7

BLACKROCK, INC.

CIK 2012383

Shares

62.23K

Value

303.04K

Filed

Mar 31, 2026

8

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

59.51K

Value

289.87K

Filed

Mar 31, 2026

9

MILLENNIUM MANAGEMENT LLC

CIK 1273087

Shares

46.33K

Value

225.64K

Filed

Mar 31, 2026

10

VANGUARD FIDUCIARY TRUST CO

CIK 933478

Shares

27.73K

Value

135.04K

Filed

Mar 31, 2026

11

WILLIAMS & NOVAK, LLC

CIK 1998419

Shares

27.05K

Value

137.69K

Filed

Mar 31, 2026

12

ESSEX INVESTMENT MANAGEMENT CO LLC

CIK 201772

Shares

27.02K

Value

131.59K

Filed

Mar 31, 2026

13

JANE STREET GROUP, LLC

CIK 1595888

Shares

23.83K

Value

116.05K

Filed

Mar 31, 2026

14

RBF CAPITAL, LLC

CIK 1134621

Shares

16K

Value

77.92K

Filed

Mar 31, 2026

15

STATE STREET CORP

CIK 93751

Shares

14.93K

Value

72.72K

Filed

Mar 31, 2026

16

BANK OF NEW YORK MELLON CORP

CIK 1390777

Shares

10.23K

Value

49.82K

Filed

Mar 31, 2026

17

UBS GROUP AG

CIK 1610520

Shares

8.40K

Value

40.93K

Filed

Mar 31, 2026

18

CITIGROUP INC

CIK 831001

Shares

6.27K

Value

30.55K

Filed

Mar 31, 2026

19

FMR LLC

CIK 315066

Shares

3.27K

Value

15.94K

Filed

Mar 31, 2026

20

GROUP ONE TRADING LLC

CIK 932540

Shares

2.18K

Value

10.63K

Filed

Mar 31, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.