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Mesa Laboratories
MLAB

156 hedge funds and large institutions have $673M invested in Mesa Laboratories in 2024 Q4 according to their latest regulatory filings, with 12 funds opening new positions, 58 increasing their positions, 52 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

12% more repeat investments, than reductions

Existing positions increased: 58 | Existing positions reduced: 52

6% more capital invested

Capital invested by funds: $634M → $673M (+$39.4M)

3.54% more ownership

Funds ownership: 90.45% → 93.99% (+3.5%)

6% less funds holding

Funds holding: 166 → 156 (-10)

37% less first-time investments, than exits

New positions opened: 12 | Existing positions closed: 19

Holders
156
Holders Change
-10
Holders Change %
-6.02%
% of All Funds
2.05%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
12
Increased
58
Reduced
52
Closed
19
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Ameriprise
Ameriprise
Minnesota
+$12.3M
2
GT
Glenmede Trust
Pennsylvania
+$6.69M
3
CCA
Conestoga Capital Advisors
Pennsylvania
+$5.39M
4
Jane Street
Jane Street
New York
+$3.94M
5
Diamond Hill Capital Management
Diamond Hill Capital Management
Ohio
+$3.27M

Top Sellers

1
RA
Royce & Associates
New York
-$7.36M
2
GIM
Granahan Investment Management
Massachusetts
-$5.93M
3
DM
Deerfield Management
New York
-$2.55M
4
State of Wisconsin Investment Board
State of Wisconsin Investment Board
Wisconsin
-$1.25M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$1.19M
Name Holding Trade Value Shares
Change 		Change in
Stake
Citigroup
51
Citigroup
New York
$1.03M +$51.3K +418 +6%
Mackenzie Financial
52
Mackenzie Financial
Ontario, Canada
$994K +$192K +1,560 +26%
Renaissance Technologies
53
Renaissance Technologies
New York
$989K -$724K -5,900 -44%
HIM
54
Herald Investment Management
United Kingdom
$977K +$911K +7,417 New
LPL Financial
55
LPL Financial
California
$920K +$5.52K +45 +0.6%
Canada Life
56
Canada Life
Manitoba, Canada
$913K -$70.8K -577 -8%
Citadel Advisors
57
Citadel Advisors
Florida
$899K -$479K -3,898 -36%
KPP
58
Kings Path Partners
Texas
$894K – – –
QC
59
Quadrature Capital
United Kingdom
$754K +$491K +4,003 +235%
Creative Planning
60
Creative Planning
Kansas
$744K +$30.9K +252 +5%
AllianceBernstein
61
AllianceBernstein
Tennessee
$736K +$17.3K +141 +3%
Prudential Financial
62
Prudential Financial
New Jersey
$721K +$7.37K +60 +1%
SEI Investments
63
SEI Investments
Pennsylvania
$714K +$472K +3,848 +246%
Deutsche Bank
64
Deutsche Bank
Germany
$679K +$195K +1,586 +45%
CL
65
Choreo LLC
Illinois
$667K +$171K +1,392 +38%
California State Teachers Retirement System (CalSTRS)
66
California State Teachers Retirement System (CalSTRS)
California
$665K -$6.63K -54 -1%
JP Morgan Chase
67
JP Morgan Chase
New York
$660K -$418K -3,403 -40%
Millennium Management
68
Millennium Management
New York
$637K +$225K +1,830 +61%
Boston Partners
69
Boston Partners
Massachusetts
$610K -$457K -3,726 -45%
Thrivent Financial for Lutherans
70
Thrivent Financial for Lutherans
Minnesota
$554K -$6.14K -50 -1%
CIC
71
Cornercap Investment Counsel
Georgia
$501K – – –
State of Tennessee, Department of Treasury
72
State of Tennessee, Department of Treasury
Tennessee
$462K -$73.3K -597 -15%
Marshall Wace
73
Marshall Wace
United Kingdom
$458K -$624K -5,080 -59%
T. Rowe Price Associates
74
T. Rowe Price Associates
Maryland
$458K +$47.9K +390 +13%
Los Angeles Capital Management
75
Los Angeles Capital Management
California
$448K +$12.3K +100 +3%
1 2
3
4 5

MLAB Hedge Fund Activity: Q4 2024 in Review

156 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in Mesa Laboratories (MLAB) for Q4 2024, worth a combined $673M — up 6.2% from $634M a quarter earlier.

Sellers outnumbered buyers: 19 funds closed out of MLAB and 12 opened new positions — a net loss of 7 holders — while 52 trimmed existing stakes and 58 added.

The largest buyer was Ameriprise, adding an estimated $12.3M. The largest seller was Royce & Associates, cutting an estimated $7.36M.

  • 156 institutional investors held Mesa Laboratories (MLAB) as of Q4 2024, down from 166 in Q3 2024.
  • Funds reported $673M of Mesa Laboratories stock for Q4 2024, up 6.2% quarter-over-quarter.
  • 12 funds opened new Mesa Laboratories positions in Q4 2024 and 19 closed out, a net change of -7 holders.
  • The largest Mesa Laboratories buyer in Q4 2024 was Ameriprise, an estimated $12.3M added.
  • The largest Mesa Laboratories seller in Q4 2024 was Royce & Associates, an estimated $7.36M sold.

Based on aggregated 13F filings for Q4 2024.