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Simcoe Capital Management’s Mesa Laboratories MLAB Stock Holding History

Simcoe Capital Management’s Portfolio MLAB Stock Details MLAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-190,929
Closed -$12.8M – 17
2025
Q3 		$12.8M Buy
+190,929
New +$13.7M 1.85% 14

Other funds holding MLAB

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Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
LPP
Long Path Partners Stamford, Connecticut $235M AUM 22.51% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Select Equity Group
Select Equity Group New York $20.2B AUM 17.52% 1-Year Est. Return
RIM
Ranger Investment Management Dallas, Texas $1.58B AUM 51% 1-Year Est. Return
GCM
Geneva Capital Management Milwaukee, Wisconsin $4.36B AUM 17.81% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
KCM
Kennedy Capital Management St Louis, Missouri $5.65B AUM 61.31% 1-Year Est. Return

Simcoe Capital Management's MLAB Position: Q4 2025 in Review

Simcoe Capital Management sold out of Mesa Laboratories (MLAB) in Q4 2025, closing a stake of 190,929 shares — an estimated $12.8M sold.

Simcoe Capital Management first reported a position in MLAB in Q3 2025 and held it in 1 quarter. The position peaked at $12.8M in Q3 2025. 159 funds tracked by Wall St. Rank hold MLAB as of Q4 2025.

  • Simcoe Capital Management reported no remaining Mesa Laboratories position as of Q4 2025 after selling out during the quarter.
  • Simcoe Capital Management sold 190,929 Mesa Laboratories shares in Q4 2025, an estimated $12.8M.
  • Simcoe Capital Management first reported a position in Mesa Laboratories in Q3 2025 and held it in 1 quarter.
  • Simcoe Capital Management's Mesa Laboratories position peaked at $12.8M in Q3 2025.
  • 159 funds tracked by Wall St. Rank held Mesa Laboratories as of Q4 2025.

Based on Simcoe Capital Management's 13F filing for Q4 2025, filed 13 Feb 2026.