HOLLISTON, MA
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
WEBER CAPITAL MANAGEMENT LLC /ADV
CIK 1099905
Shares
320.04K
Value
1.56M
Filed
Mar 31, 2026
ACADIAN ASSET MANAGEMENT LLC
CIK 916542
Shares
179.61K
Value
873.00
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
163.31K
Value
795.33K
Filed
Mar 31, 2026
CORSAIR CAPITAL MANAGEMENT, L.P.
CIK 1276470
Shares
124.81K
Value
607.83K
Filed
Mar 31, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
114.12K
Value
555.75K
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
101.43K
Value
493.95K
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
62.23K
Value
303.04K
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
59.51K
Value
289.87K
Filed
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
46.33K
Value
225.64K
Filed
Mar 31, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
27.73K
Value
135.04K
Filed
Mar 31, 2026
WILLIAMS & NOVAK, LLC
CIK 1998419
Shares
27.05K
Value
137.69K
Filed
Mar 31, 2026
ESSEX INVESTMENT MANAGEMENT CO LLC
CIK 201772
Shares
27.02K
Value
131.59K
Filed
Mar 31, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
23.83K
Value
116.05K
Filed
Mar 31, 2026
RBF CAPITAL, LLC
CIK 1134621
Shares
16K
Value
77.92K
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
14.93K
Value
72.72K
Filed
Mar 31, 2026
BANK OF NEW YORK MELLON CORP
CIK 1390777
Shares
10.23K
Value
49.82K
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
8.40K
Value
40.93K
Filed
Mar 31, 2026
CITIGROUP INC
CIK 831001
Shares
6.27K
Value
30.55K
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
3.27K
Value
15.94K
Filed
Mar 31, 2026
GROUP ONE TRADING LLC
CIK 932540
Shares
2.18K
Value
10.63K
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | WEBER CAPITAL MANAGEMENT LLC /ADV | 1099905 | 320.04K | 1.56M | Mar 31, 2026 |
| 2 | ACADIAN ASSET MANAGEMENT LLC | 916542 | 179.61K | 873.00 | Mar 31, 2026 |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 163.31K | 795.33K | Mar 31, 2026 |
| 4 | CORSAIR CAPITAL MANAGEMENT, L.P. | 1276470 | 124.81K | 607.83K | Mar 31, 2026 |
| 5 | TWO SIGMA INVESTMENTS, LP | 1179392 | 114.12K | 555.75K | Mar 31, 2026 |
| 6 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 101.43K | 493.95K | Mar 31, 2026 |
| 7 | BLACKROCK, INC. | 2012383 | 62.23K | 303.04K | Mar 31, 2026 |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 59.51K | 289.87K | Mar 31, 2026 |
| 9 | MILLENNIUM MANAGEMENT LLC | 1273087 | 46.33K | 225.64K | Mar 31, 2026 |
| 10 | VANGUARD FIDUCIARY TRUST CO | 933478 | 27.73K | 135.04K | Mar 31, 2026 |
| 11 | WILLIAMS & NOVAK, LLC | 1998419 | 27.05K | 137.69K | Mar 31, 2026 |
| 12 | ESSEX INVESTMENT MANAGEMENT CO LLC | 201772 | 27.02K | 131.59K | Mar 31, 2026 |
| 13 | JANE STREET GROUP, LLC | 1595888 | 23.83K | 116.05K | Mar 31, 2026 |
| 14 | RBF CAPITAL, LLC | 1134621 | 16K | 77.92K | Mar 31, 2026 |
| 15 | STATE STREET CORP | 93751 | 14.93K | 72.72K | Mar 31, 2026 |
| 16 | BANK OF NEW YORK MELLON CORP | 1390777 | 10.23K | 49.82K | Mar 31, 2026 |
| 17 | UBS GROUP AG | 1610520 | 8.40K | 40.93K | Mar 31, 2026 |
| 18 | CITIGROUP INC | 831001 | 6.27K | 30.55K | Mar 31, 2026 |
| 19 | FMR LLC | 315066 | 3.27K | 15.94K | Mar 31, 2026 |
| 20 | GROUP ONE TRADING LLC | 932540 | 2.18K | 10.63K | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.