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Mesa Laboratories
MLAB

Overview Fund Activity

152 hedge funds and large institutions have $488M invested in Mesa Laboratories in 2025 Q2 according to their latest regulatory filings, with 24 funds opening new positions, 47 increasing their positions, 53 reducing their positions, and 19 closing their positions.

Holders
152
Holders Change
–
Holders Change %
0%
% of All Funds
2.04%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
24
Increased
47
Reduced
53
Closed
19
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
GIM
1
Glenmede Investment Management
Pennsylvania
$13.4M
2
Renaissance Technologies
2
Renaissance Technologies
New York
$6.41M
3
Millennium Management
3
Millennium Management
New York
$5.44M
4
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$10.7M
5
Select Equity Group
5
Select Equity Group
New York
$9.63M

Top Sellers

1
Ameriprise
1
Ameriprise
Minnesota
$6.93M
2
Raymond James Financial
2
Raymond James Financial
Florida
$17.5M
3
BlackRock
3
BlackRock
New York
$74.5M
4
RA
4
Royce & Associates
New York
$23.3M
5
KCM
5
Kennedy Capital Management
Missouri
$8.52M
Name Market Value Shares Shares
Change 		Shares
Change %
OPERF
101
Oregon Public Employees Retirement Fund
Oregon
$120K 1,278 – –
PFSRSONJ
102
Police & Firemen's Retirement System of New Jersey
New Jersey
$117K 1,244 – –
Public Employees Retirement Association of Colorado
103
Public Employees Retirement Association of Colorado
Colorado
$116K 1,236 – –
US Bancorp
104
US Bancorp
Minnesota
$114K 1,215 -108 -8%
New York State Teachers Retirement System (NYSTRS)
105
New York State Teachers Retirement System (NYSTRS)
New York
$109K 1,159 – –
KK
106
KLP Kapitalforvaltning
Norway
$94.2K 1,000 – –
Bank of Montreal
107
Bank of Montreal
Ontario, Canada
$84.8K 900 -69 -7%
TRCT
108
Tower Research Capital (TRC)
New York
$79.3K 842 +684 +433%
ADL
109
Asset Dedication LLC
California
$78.2K 830 – –
BNP Paribas Financial Markets
110
BNP Paribas Financial Markets
France
$74.1K 786 +421 +115%
GWM
111
Geneos Wealth Management
Colorado
$68.6K 728 -728 -50%
ACM
112
Aquatic Capital Management
Illinois
$61.6K 654 +654 New
AAP
113
Arax Advisory Partners
Colorado
$48.2K 512 -3 -0.6%
AIP
114
Ameritas Investment Partners
Nebraska
$48K 509 – –
PNC Financial Services Group
115
PNC Financial Services Group
Pennsylvania
$47.2K 501 +26 +5%
SA
116
SRH Advisors
Kansas
$47.1K 500 – –
Carson Wealth (CWM LLC)
117
Carson Wealth (CWM LLC)
Nebraska
$38K 401 -46 -10%
Fifth Third Bancorp
118
Fifth Third Bancorp
Ohio
$31.6K 335 -49 -13%
HNB
119
Huntington National Bank
Ohio
$31.3K 332 +17 +5%
GRP
120
Global Retirement Partners
California
$24K 255 +255 New
HNB
121
Hilltop National Bank
Wyoming
$18.8K 200 +200 New
SOW
122
State of Wyoming
Wyoming
$18.7K 198 -229 -54%
GI
123
GAMMA Investing
California
$15.6K 166 +14 +9%
Zurich Cantonal Bank
124
Zurich Cantonal Bank
Switzerland
$13.9K 148 – –
BIG
125
Brooklyn Investment Group
New York
$9.05K 96 +86 +860%
3 4
5
6 7