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Martingale Asset Management’s Mayville Engineering Co MEC Stock Holding History

Martingale Asset Management’s Portfolio MEC Stock Details MEC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-35,610
Closed -$490K – 814
2025
Q3 		$490K Sell
35,610
-7,906
-18% -$119K 0.01% 617
2025
Q2 		$695K Sell
43,516
-1,299
-3% -$18.6K 0.02% 551
2025
Q1 		$602K Buy
44,815
+2,604
+6% +$39.2K 0.02% 570
2024
Q4 		$664K Buy
42,211
+5,875
+16% +$107K 0.02% 558
2024
Q3 		$766K Buy
+36,336
New +$680K 0.02% 530

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BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
ER
EVR Research Richmond, Virginia $250M AUM 41.5% 1-Year Est. Return
William Blair & Company
William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return
2L
22NW LP Seattle, Washington $146M AUM 29.83% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return

Martingale Asset Management's MEC Position: Q4 2025 in Review

Martingale Asset Management sold out of Mayville Engineering Co (MEC) in Q4 2025, closing a stake of 35,610 shares — an estimated $490K sold.

Martingale Asset Management first reported a position in MEC in Q3 2024 and held it in 5 quarters. The position peaked at $766K in Q3 2024. 123 funds tracked by Wall St. Rank hold MEC as of Q4 2025.

  • Martingale Asset Management reported no remaining Mayville Engineering Co position as of Q4 2025 after selling out during the quarter.
  • Martingale Asset Management sold 35,610 Mayville Engineering Co shares in Q4 2025, an estimated $490K.
  • Martingale Asset Management first reported a position in Mayville Engineering Co in Q3 2024 and held it in 5 quarters.
  • Martingale Asset Management's Mayville Engineering Co position peaked at $766K in Q3 2024.
  • 123 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q4 2025.

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