Simplex Trading
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Simplex Trading’s Mayville Engineering Co MEC Stock Holding History

Simplex Trading’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 		$23.3K Buy
1,300
+900
+225% +$17.3K ﹤0.01% 6647
2025
Q4 		$7.49K Buy
+400
New +$6.52K ﹤0.01% 7173
2025
Q3 		– Sell
-100
Closed -$1K – 9630
2025
Q2 		$1K Buy
+100
New +$1.43K ﹤0.01% 8363
2025
Q1 		– Sell
-1,800
Closed -$28K – 9196
2024
Q4 		$28K Buy
+1,800
New +$32.9K ﹤0.01% 6421
2024
Q3 		– Sell
-2,800
Closed -$46K – 9126
2024
Q2 		$46K Buy
2,800
+100
+4% +$1.51K ﹤0.01% 6175
2024
Q1 		$38K Buy
2,700
+2,200
+440% +$28.7K ﹤0.01% 6521
2023
Q4 		$7K Buy
+500
New +$6.21K ﹤0.01% 7674
2023
Q3 		– Sell
-7,100
Closed -$88K – 9355
2023
Q2 		$88K Hold
7,100
– – ﹤0.01% 5241
2023
Q1 		$105K Buy
+7,100
New +$103K ﹤0.01% 5099

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

Simplex Trading's MEC Position: Q1 2024 in Review

Simplex Trading sold out of Mayville Engineering Co (MEC) in Q1 2024, closing a stake of 1,016 shares — an estimated $13.3K sold.

Simplex Trading first reported a position in MEC in Q4 2022 and held it in 4 quarters. The position peaked at $66K in Q4 2022. 81 funds tracked by Wall St. Rank hold MEC as of Q1 2024.

  • Simplex Trading reported no remaining Mayville Engineering Co position as of Q1 2024 after selling out during the quarter.
  • Simplex Trading sold 1,016 Mayville Engineering Co shares in Q1 2024, an estimated $13.3K.
  • Simplex Trading first reported a position in Mayville Engineering Co in Q4 2022 and held it in 4 quarters.
  • Simplex Trading's Mayville Engineering Co position peaked at $66K in Q4 2022.
  • 81 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q1 2024.

Based on Simplex Trading's 13F filing for Q1 2024, filed 25 Apr 2024.