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Mesa Laboratories
MLAB

Overview Fund Activity

152 hedge funds and large institutions have $614M invested in Mesa Laboratories in 2025 Q1 according to their latest regulatory filings, with 19 funds opening new positions, 55 increasing their positions, 52 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
152
Holders Change
-4
Holders Change %
-2.56%
% of All Funds
2.07%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
19
Increased
55
Reduced
52
Closed
19
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Select Equity Group
1
Select Equity Group
New York
$8.77M
2
KCM
2
Kennedy Capital Management
Missouri
$13.4M
3
BP
3
BBR Partners
New York
$3.27M
4
CIC
4
Crawford Investment Counsel
Georgia
$3.11M
5
Russell Investments Group
5
Russell Investments Group
United Kingdom
$10.3M

Top Sellers

1
Jane Street
1
Jane Street
New York
$833K
2
Morgan Stanley
2
Morgan Stanley
New York
$25.7M
3
BlackRock
3
BlackRock
New York
$98.2M
4
RA
4
Royce & Associates
New York
$32.2M
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
BGAI
151
Bruce G. Allen Investments
Colorado
$62 – – –
Wellington Management Group
152
Wellington Management Group
Massachusetts
– -$1.89M -14,314 Closed
ECM
153
ExodusPoint Capital Management
New York
– -$1.28M -9,692 Closed
QC
154
Quadrature Capital
United Kingdom
– -$754K -5,703 Closed
Millennium Management
155
Millennium Management
New York
– -$637K -4,832 Closed
CIC
156
Cornercap Investment Counsel
Georgia
– -$501K -3,797 Closed
Marshall Wace
157
Marshall Wace
United Kingdom
– -$458K -3,476 Closed
XT
158
XTX Topco
Cayman Islands
– -$446K -3,382 Closed
Squarepoint
159
Squarepoint
New York
– -$293K -2,225 Closed
MSRPS
160
Maryland State Retirement & Pension System
Maryland
– -$236K -1,787 Closed
BWG
161
Berry Wealth Group
Texas
– -$219K -1,657 Closed
CAPTRUST Financial Advisors
162
CAPTRUST Financial Advisors
North Carolina
– -$213K -1,612 Closed
TA
163
Teton Advisors
New York
– -$211K -1,600 Closed
VOYA Investment Management
164
VOYA Investment Management
Georgia
– -$207K -1,567 Closed
ASRS
165
Arizona State Retirement System
Arizona
– -$206K -1,565 Closed
ProShare Advisors
166
ProShare Advisors
Maryland
– -$205K -1,558 Closed
Allspring Global Investments
167
Allspring Global Investments
North Carolina
– -$205K -1,553 Closed
OP
168
ORG Partners
Indiana
– -$19.8K -150 Closed
AWM
169
Avior Wealth Management
Nebraska
– -$4.48K -34 Closed
Osaic Holdings
170
Osaic Holdings
Arizona
– -$395 -3 Closed
IA
171
IFP Advisors
Florida
– -$132 – –
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7