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Harvard Bioscience
HBIO

Overview Fund Activity

91 hedge funds and large institutions have $14.5M invested in Harvard Bioscience in 2025 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 22 increasing their positions, 37 reducing their positions, and 12 closing their positions.

Holders
91
Holders Change
-4
Holders Change %
-4.21%
% of All Funds
1.24%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
10
Increased
22
Reduced
37
Closed
12
Calls
$5K
Puts
$4K
Net Calls
+$1K
Net Calls Change
+$50K

Top Buyers

1
AE
1
AMH Equity
New York
$1.92M
2
Citadel Advisors
2
Citadel Advisors
Florida
$187K
3
RC
3
RBF Capital
California
$102K
4
Renaissance Technologies
4
Renaissance Technologies
New York
$500K
5
Squarepoint
5
Squarepoint
New York
$96.3K

Top Sellers

1
2C
1
272 Capital
Texas
$0
2
BFM
2
Boothbay Fund Management
New York
$0
3
PAIM
3
Punch & Associates Investment Management
Minnesota
$14.5K
4
Connor, Clark & Lunn Investment Management (CC&L)
4
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$0
5
HP
5
Harvey Partners
New York
$1.24M
Name Market Value Shares Shares
Change 		Shares
Change %
AE
1
AMH Equity
New York
$1.92M 3,387,355 +887,355 +35%
BlackRock
2
BlackRock
New York
$1.6M 2,820,462 -160,949 -5%
HP
3
Harvey Partners
New York
$1.24M 2,187,500 -495,500 -18%
Vanguard Group
4
Vanguard Group
Pennsylvania
$1.21M 2,138,749 -19,106 -0.9%
RA
5
Royce & Associates
New York
$1.01M 1,777,894 -187,220 -10%
GIM
6
Granahan Investment Management
Massachusetts
$865K 1,527,894 -89,284 -6%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$814K 1,437,808 -227,305 -14%
HA
8
Heartland Advisors
Wisconsin
$627K 1,108,578 -91,422 -8%
Acadian Asset Management
9
Acadian Asset Management
Massachusetts
$606K 1,077,069 +78,276 +8%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$523K 923,061 +3,992 +0.4%
Renaissance Technologies
11
Renaissance Technologies
New York
$500K 883,698 +173,920 +25%
MIM
12
Meros Investment Management
Texas
$450K 794,680 -19,027 -2%
State Street
13
State Street
Massachusetts
$422K 745,235 +2,630 +0.4%
AI
14
Acuitas Investments
Washington
$278K 491,092 – –
Northern Trust
15
Northern Trust
Illinois
$237K 418,614 -30,403 -7%
Citadel Advisors
16
Citadel Advisors
Florida
$187K 329,964 +261,248 +380%
BA
17
Bard Associates
Illinois
$143K 251,849 -15,850 -6%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$119K 209,548 – –
SO
19
STRS Ohio
Ohio
$117K 206,700 – –
PPW
20
Pasadena Private Wealth
California
$112K 198,039 – –
RC
21
RBF Capital
California
$102K 180,912 +180,912 New
Two Sigma Investments
22
Two Sigma Investments
New York
$98.1K 173,326 +137,509 +384%
Squarepoint
23
Squarepoint
New York
$96.3K 170,172 +170,172 New
GCP
24
GSA Capital Partners
United Kingdom
$95K 168,444 +140,235 +497%
Goldman Sachs
25
Goldman Sachs
New York
$82.8K 146,305 -51,099 -26%
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