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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 %
BlackRock
1
BlackRock
New York
$74.5M 791,127 -36,489 -4%
CCA
2
Conestoga Capital Advisors
Pennsylvania
$53.3M 566,150 -5,208 -0.9%
Vanguard Group
3
Vanguard Group
Pennsylvania
$36.7M 389,409 +4,796 +1%
RA
4
Royce & Associates
New York
$23.3M 247,606 -23,512 -9%
Morgan Stanley
5
Morgan Stanley
New York
$20.6M 218,796 +2,506 +1%
RIM
6
Ranger Investment Management
Texas
$20.2M 214,290 -16,698 -7%
State Street
7
State Street
Massachusetts
$20M 211,835 -7,708 -4%
GCM
8
Geneva Capital Management
Wisconsin
$18.8M 199,092 +9,780 +5%
Raymond James Financial
9
Raymond James Financial
Florida
$17.5M 185,555 -78,458 -30%
GIM
10
Glenmede Investment Management
Pennsylvania
$13.4M 142,508 +142,508 New
Geode Capital Management
11
Geode Capital Management
Massachusetts
$13.1M 138,769 +1,253 +0.9%
Dimensional Fund Advisors
12
Dimensional Fund Advisors
Texas
$10.9M 115,284 +4,037 +4%
Janus Henderson Group
13
Janus Henderson Group
United Kingdom
$10.7M 113,285 +32,541 +40%
Select Equity Group
14
Select Equity Group
New York
$9.63M 102,198 +28,301 +38%
Northern Trust
15
Northern Trust
Illinois
$8.74M 92,732 +10,288 +12%
KCM
16
Kennedy Capital Management
Missouri
$8.52M 90,479 -22,792 -20%
Russell Investments Group
17
Russell Investments Group
United Kingdom
$7.49M 79,476 -7,580 -9%
Ameriprise
18
Ameriprise
Minnesota
$6.93M 73,513 -93,255 -56%
Renaissance Technologies
19
Renaissance Technologies
New York
$6.41M 68,027 +59,827 +730%
Bank of America
20
Bank of America
North Carolina
$6.12M 64,928 -2,379 -4%
Charles Schwab
21
Charles Schwab
California
$5.82M 61,764 -3,700 -6%
Millennium Management
22
Millennium Management
New York
$5.44M 57,710 +57,710 New
Bank of New York Mellon
23
Bank of New York Mellon
New York
$5.04M 53,497 -1,270 -2%
CIC
24
Crawford Investment Counsel
Georgia
$4.88M 51,744 +25,544 +97%
Comerica Bank
25
Comerica Bank
Texas
$4.17M 44,263 -22 -0%
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