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AlphaQuest’s Mayville Engineering Co MEC Stock Holding History

AlphaQuest’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
2026
Q1 		– Sell
-10,954
Closed -$205K – 1211
2025
Q4 		$205K Buy
10,954
+2,612
+31% +$42.6K 0.01% 1436
2025
Q3 		$115K Buy
8,342
+1,733
+26% +$26.1K 0.01% 1668
2025
Q2 		$105K Sell
6,609
-1,270
-16% -$18.1K 0.01% 1410
2025
Q1 		$106K Buy
7,879
+5,438
+223% +$81.8K 0.01% 1282
2024
Q4 		$38.4K Buy
+2,441
New +$44.6K 0.01% 1339

Other funds holding MEC

Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 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
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
William Blair & Company
William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return

AlphaQuest's MEC Position: Q1 2026 in Review

AlphaQuest sold out of Mayville Engineering Co (MEC) in Q1 2026, closing a stake of 10,954 shares — an estimated $205K sold.

AlphaQuest first reported a position in MEC in Q4 2024 and held it in 5 quarters. The position peaked at $205K in Q4 2025. 124 funds tracked by Wall St. Rank hold MEC as of Q1 2026.

  • AlphaQuest reported no remaining Mayville Engineering Co position as of Q1 2026 after selling out during the quarter.
  • AlphaQuest sold 10,954 Mayville Engineering Co shares in Q1 2026, an estimated $205K.
  • AlphaQuest first reported a position in Mayville Engineering Co in Q4 2024 and held it in 5 quarters.
  • AlphaQuest's Mayville Engineering Co position peaked at $205K in Q4 2025.
  • 124 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q1 2026.

Based on AlphaQuest's 13F filing for Q1 2026.