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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 %
Wells Fargo
26
Wells Fargo
California
$3.56M +$85K +716 +2%
Diamond Hill Capital Management
27
Diamond Hill Capital Management
Ohio
$3.5M +$335K +2,824 +11%
BP
28
BBR Partners
New York
$3.27M +$3.27M +27,595 New
UBS Group
29
UBS Group
Switzerland
$3.25M +$906K +7,635 +39%
RHJA
30
Rice Hall James & Associates
California
$3.25M -$34.8K -293 -1%
CIC
31
Crawford Investment Counsel
Georgia
$3.11M +$3.11M +26,200 New
SBH
32
Segall Bryant & Hamill
Illinois
$2.37M -$53K -447 -2%
UBS AM
33
UBS AM
Illinois
$2.37M +$81.3K +685 +4%
Luther King Capital Management (LKCM)
34
Luther King Capital Management (LKCM)
Texas
$2.36M – – –
NL
35
Nuveen LLC
North Carolina
$2.3M +$2.3M +19,424 New
Envestnet Asset Management
36
Envestnet Asset Management
Illinois
$2.26M +$174K +1,463 +8%
Invesco
37
Invesco
Georgia
$2.13M -$68.6K -578 -3%
Public Sector Pension Investment Board (PSP Investments)
38
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$2.05M +$437K +3,679 +27%
KTA
39
Keeley-Teton Advisors
Illinois
$1.86M -$750K -6,319 -29%
Goldman Sachs
40
Goldman Sachs
New York
$1.82M -$1.73M -14,601 -49%
Legal & General Group
41
Legal & General Group
United Kingdom
$1.65M -$44.6K -376 -3%
Ohio Public Employees Retirement System (OPERS)
42
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.63M -$374K -3,149 -19%
RhumbLine Advisers
43
RhumbLine Advisers
Massachusetts
$1.62M +$67.6K +570 +4%
American Century Companies
44
American Century Companies
Missouri
$1.57M +$450K +3,793 +40%
HIM
45
Herald Investment Management
United Kingdom
$1.48M +$603K +5,083 +69%
Lazard Asset Management
46
Lazard Asset Management
New York
$1.35M -$122K -1,029 -8%
Swiss National Bank
47
Swiss National Bank
Switzerland
$1.26M – – –
Citigroup
48
Citigroup
New York
$1.05M +$122K +1,028 +13%
Victory Capital Management
49
Victory Capital Management
Texas
$1.03M -$15.4K -130 -1%
Renaissance Technologies
50
Renaissance Technologies
New York
$973K +$83.1K +700 +9%
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