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Mesa Laboratories
MLAB
MLAB
161 hedge funds and large institutions have $427M invested in Mesa Laboratories in 2026 Q1 according to their latest regulatory filings, with 26 funds opening new positions, 61 increasing their positions, 42 reducing their positions, and 18 closing their positions.
New
Increased
Maintained
Reduced
Closed
45% more repeat investments, than reductions
Existing positions increased: 61 | Existing positions reduced: 42
44% more first-time investments, than exits
New positions opened: 26 | Existing positions closed: 18
15% more capital invested
Capital invested by funds: $372M → $427M (+$54.1M)
1.46% more ownership
Funds ownership: 85.92% → 87.38% (+1.5%)
1% more funds holding
Funds holding: 159 → 161 (+2)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
Holders
161
Holders Change
+2
Holders Change %
+1.26%
% of All Funds
1.98%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
26
Increased
61
Reduced
42
Closed
18
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–
Top Buyers
Top Sellers
| 1 |
GCM
Geneva Capital Management
Milwaukee,
Wisconsin
|
-$14M |
| 2 |
MCM
Mason Capital Management
New York
|
-$5.52M |
| 3 |
Jane Street
New York
|
-$4.43M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$4.32M |
| 5 |
Janus Henderson Group
London,
United Kingdom
|
-$4.07M |
