EAM Investors’s Mayville Engineering Co MEC Stock Holding History

EAM Investors’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	$4.84M	Buy	+129,182	New	+$3.45M	0.43%	109
2024 Q4	–	Sell	-46,925	Closed	-$989K	–	314
2024 Q3	$989K	Hold	46,925	–	–	0.15%	166
2024 Q2	$782K	Buy	+46,925	New	+$710K	0.13%	190
2023 Q2	–	Sell	-108,387	Closed	-$1.62M	–	319
2023 Q1	$1.62M	Sell	108,387 -26,079	-19%	-$380K	0.32%	150
2022 Q4	$1.7M	Buy	+134,466	New	+$1.34M	0.35%	120
2021 Q3	–	Sell	-82,686	Closed	-$1.66M	–	347
2021 Q2	$1.66M	Buy	+82,686	New	+$1.46M	0.26%	184

Other funds holding MEC

PCM

Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

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 Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

EAM Investors's MEC Position: Q2 2026 in Review

EAM Investors opened a new position in Mayville Engineering Co (MEC) in Q2 2026: 129,182 shares worth $4.84M. The stake represents 0.43% of the portfolio and ranks #109 among its holdings. This is a return to the name: EAM Investors previously reported a position in MEC as recently as Q3 2024.

EAM Investors first reported a position in MEC in Q2 2021 and has held it in 6 quarters since. 155 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

EAM Investors held 129,182 shares of Mayville Engineering Co worth $4.84M as of Q2 2026.
Mayville Engineering Co was a new EAM Investors position in Q2 2026.
Mayville Engineering Co made up 0.43% of EAM Investors's portfolio in Q2 2026, its #109 holding.
EAM Investors first reported a position in Mayville Engineering Co in Q2 2021 and has held it in 6 quarters since.
155 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on EAM Investors's 13F filing for Q2 2026, filed 13 Aug 2026.