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Mesa Laboratories

151 hedge funds and large institutions have $613M invested in Mesa Laboratories in 2025 Q1 according to their latest regulatory filings, with 17 funds opening new positions, 56 increasing their positions, 52 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
151
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Sellers

1 -$3.73M
2 -$3.3M
3 -$2.28M
4
RA
Royce & Associates
New York
-$2.19M
5
Goldman Sachs
Goldman Sachs
New York
-$1.99M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$364K
77
$363K
78
$359K
79
$357K
80
$344K
81
$343K
82
$343K
83
$335K
84
$324K
85
$320K
86
$309K
87
$292K
88
$278K
89
$272K
90
$260K
91
$254K
92
$249K
93
$245K
94
$242K
95
$223K
96
$214K
97
$191K
98
$187K
99
$184K
100
$173K