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Harvard Bioscience
HBIO

Overview Fund Activity

66 hedge funds and large institutions have $8.33M invested in Harvard Bioscience in 2025 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 18 increasing their positions, 27 reducing their positions, and 37 closing their positions.

Holders
66
Holders Change
-25
Holders Change %
-27.47%
% of All Funds
0.89%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
13
Increased
18
Reduced
27
Closed
37
Calls
$61K
Puts
$10K
Net Calls
+$51K
Net Calls Change
+$50K

Top Buyers

1
UBS Group
1
UBS Group
Switzerland
$352K
2
Millennium Management
2
Millennium Management
New York
$284K
3
Marshall Wace
3
Marshall Wace
United Kingdom
$61K
4
MIM
4
Meros Investment Management
Texas
$408K
5
AE
5
AMH Equity
New York
$1.56M

Top Sellers

1
RA
1
Royce & Associates
New York
$0
2
BlackRock
2
BlackRock
New York
$495K
3
HA
3
Heartland Advisors
Wisconsin
$0
4
State Street
4
State Street
Massachusetts
$66.3K
5
Geode Capital Management
5
Geode Capital Management
Massachusetts
$195K
Name Market Value Shares Shares
Change 		Shares
Change %
AE
1
AMH Equity
New York
$1.56M 3,508,703 +121,348 +4%
HP
2
Harvey Partners
New York
$950K 2,141,099 -46,401 -2%
Vanguard Group
3
Vanguard Group
Pennsylvania
$823K 1,853,891 -284,858 -13%
GIM
4
Granahan Investment Management
Massachusetts
$666K 1,501,508 -26,386 -2%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$500K 1,126,250 -311,558 -22%
BlackRock
6
BlackRock
New York
$495K 1,114,575 -1,705,887 -60%
Acadian Asset Management
7
Acadian Asset Management
Massachusetts
$459K 1,039,225 -37,844 -4%
MIM
8
Meros Investment Management
Texas
$408K 919,945 +125,265 +16%
UBS Group
9
UBS Group
Switzerland
$352K 792,206 +768,641 +3,262%
Renaissance Technologies
10
Renaissance Technologies
New York
$351K 791,978 -91,720 -10%
Millennium Management
11
Millennium Management
New York
$284K 639,867 +639,867 New
AI
12
Acuitas Investments
Washington
$218K 491,092 – –
Geode Capital Management
13
Geode Capital Management
Massachusetts
$195K 440,022 -483,039 -52%
PPW
14
Pasadena Private Wealth
California
$108K 243,911 +45,872 +23%
Goldman Sachs
15
Goldman Sachs
New York
$92.2K 207,646 +61,341 +42%
Two Sigma Investments
16
Two Sigma Investments
New York
$87.8K 197,785 +24,459 +14%
Northern Trust
17
Northern Trust
Illinois
$83.8K 188,869 -229,745 -55%
RC
18
RBF Capital
California
$71K 160,000 -20,912 -12%
State Street
19
State Street
Massachusetts
$66.3K 149,352 -595,883 -80%
Marshall Wace
20
Marshall Wace
United Kingdom
$61K 138,700 +138,700 New
Bank of New York Mellon
21
Bank of New York Mellon
New York
$56K 126,223 -83,325 -40%
WN
22
Williams & Novak
California
$47.3K 106,570 +28,800 +37%
GI
23
GAMCO Investors
Connecticut
$34.2K 77,000 -8,000 -9%
Fidelity Investments
24
Fidelity Investments
Massachusetts
$32.1K 72,274 +49,246 +214%
Jane Street
25
Jane Street
New York
$31.4K 70,736 +58,785 +492%
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