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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.

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 %
Mirae Asset Global ETFs Holdings
76
Mirae Asset Global ETFs Holdings
Hong Kong
$364K +$17K +143 +5%
IMRF
77
Illinois Municipal Retirement Fund
Illinois
$363K +$363K +3,060 New
Los Angeles Capital Management
78
Los Angeles Capital Management
California
$359K -$43.9K -370 -11%
SOADOR
79
State of Alaska Department of Revenue
Alaska
$357K -$6.88K -58 -2%
Fidelity Investments
80
Fidelity Investments
Massachusetts
$344K +$180K +1,520 +110%
IIM
81
INTECH Investment Management
Florida
$343K +$108K +914 +46%
MIM
82
MetLife Investment Management
New Jersey
$343K -$8.07K -68 -2%
Jacobs Levy Equity Management
83
Jacobs Levy Equity Management
New Jersey
$335K +$335K +2,820 New
P
84
&Partners
Tennessee
$324K +$324K +2,714 New
CF
85
Corebridge Financial
Texas
$320K -$6.29K -53 -2%
LSERS
86
Louisiana State Employees Retirement System
Louisiana
$309K – – –
SG Americas Securities
87
SG Americas Securities
New York
$292K +$46K +388 +19%
GCP
88
GSA Capital Partners
United Kingdom
$278K -$74.1K -626 -21%
TPSF
89
Texas Permanent School Fund
Texas
$276K +$276K +2,399 New
Cambridge Investment Research Advisors
90
Cambridge Investment Research Advisors
Iowa
$272K -$14.1K -119 -5%
State Board of Administration of Florida Retirement System
91
State Board of Administration of Florida Retirement System
Florida
$260K – – –
New York State Common Retirement Fund
92
New York State Common Retirement Fund
New York
$254K – – –
Verition Fund Management
93
Verition Fund Management
Connecticut
$249K +$249K +2,100 New
YCM
94
Yousif Capital Management
Michigan
$245K -$3.09K -26 -1%
AAS
95
Avantax Advisory Services
Texas
$242K +$44.3K +373 +22%
Manulife (Manufacturers Life Insurance)
96
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$223K -$6.76K -57 -3%
SAM
97
Smartleaf Asset Management
Massachusetts
$214K -$6.22K -52 -3%
TRSOTSOK
98
Teachers Retirement System of the State of Kentucky
Kentucky
$191K – – –
Pacer Advisors
99
Pacer Advisors
Pennsylvania
$187K -$21.7K -183 -10%
AB
100
Amalgamated Bank
New York
$184K -$4.39K -37 -2%
2 3
4
5 6