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Roubaix Capital’s Mayville Engineering Co MEC Stock Holding History

Roubaix Capital’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
Q2 		– Sell
-210,657
Closed -$3.78M – 58
2026
Q1 		$3.78M Buy
210,657
+64,360
+44% +$1.24M 1.76% 32
2025
Q4 		$2.74M Sell
146,297
-66,391
-31% -$1.08M 1.17% 44
2025
Q3 		$2.93M Buy
212,688
+111,550
+110% +$1.68M 1.36% 36
2025
Q2 		$1.61M Buy
+101,138
New +$1.44M 0.77% 51
2022
Q1 		– Sell
-181,864
Closed -$2.71M – 46
2021
Q4 		$2.71M Sell
181,864
-121,021
-40% -$1.99M 1.65% 34
2021
Q3 		$5.69M Buy
302,885
+60,998
+25% +$1.05M 3.73% 2
2021
Q2 		$4.86M Buy
241,887
+54,077
+29% +$954K 3.04% 8
2021
Q1 		$2.7M Buy
187,810
+53,944
+40% +$795K 1.83% 32
2020
Q4 		$1.8M Buy
+133,866
New +$1.48M 1.39% 43
2019
Q3 		– Sell
-136,332
Closed -$1.88M – 43
2019
Q2 		$1.88M Buy
+136,332
New +$2.1M 1.57% 32

Other funds holding MEC

PCM
Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
SPPAM
Summit Partners Public Asset Management Boston, Massachusetts $5.69B AUM 259.25% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Roubaix Capital's MEC Position: Q2 2026 in Review

Roubaix Capital sold out of Mayville Engineering Co (MEC) in Q2 2026, closing a stake of 210,657 shares — an estimated $3.78M sold.

Roubaix Capital first reported a position in MEC in Q2 2019 and held it in 10 quarters. The position peaked at $5.69M in Q3 2021. 155 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

  • Roubaix Capital reported no remaining Mayville Engineering Co position as of Q2 2026 after selling out during the quarter.
  • Roubaix Capital sold 210,657 Mayville Engineering Co shares in Q2 2026, an estimated $3.78M.
  • Roubaix Capital first reported a position in Mayville Engineering Co in Q2 2019 and held it in 10 quarters.
  • Roubaix Capital's Mayville Engineering Co position peaked at $5.69M in Q3 2021.
  • 155 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on Roubaix Capital's 13F filing for Q2 2026, filed 10 Aug 2026.