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 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

Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

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

Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

EVR Research Richmond, Virginia $250M AUM 41.5% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return

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

Roubaix Capital's MEC Position: Q1 2026 in Review

Roubaix Capital increased its Mayville Engineering Co (MEC) stake by 44% in Q1 2026, buying an estimated $1.24M and bringing the position to 210,657 shares worth $3.78M. The position accounts for 1.76% of the portfolio, ranked #32.

Roubaix Capital first reported a position in MEC in Q2 2019 and has held it in 10 quarters since. The position peaked at $5.69M in Q3 2021. 124 funds tracked by Wall St. Rank hold MEC as of Q1 2026.

Roubaix Capital held 210,657 shares of Mayville Engineering Co worth $3.78M as of Q1 2026.
Roubaix Capital bought 64,360 Mayville Engineering Co shares in Q1 2026, an estimated $1.24M.
Mayville Engineering Co made up 1.76% of Roubaix Capital's portfolio in Q1 2026, its #32 holding.
Roubaix Capital first reported a position in Mayville Engineering Co in Q2 2019 and has held it in 10 quarters since.
Roubaix Capital's Mayville Engineering Co position peaked at $5.69M in Q3 2021.
124 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q1 2026.

Based on Roubaix Capital's 13F filing for Q1 2026, filed 6 May 2026.