Osterweis Capital Management’s Mayville Engineering Co MEC Stock Holding History

Osterweis Capital Management’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	$6.54M	Buy	+174,600	New	+$4.67M	0.31%	80

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

Osterweis Capital Management's MEC Position: Q2 2026 in Review

Osterweis Capital Management opened a new position in Mayville Engineering Co (MEC) in Q2 2026: 174,600 shares worth $6.54M. The stake represents 0.31% of the portfolio and ranks #80 among its holdings.

154 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

Osterweis Capital Management held 174,600 shares of Mayville Engineering Co worth $6.54M as of Q2 2026.
Mayville Engineering Co was a new Osterweis Capital Management position in Q2 2026.
Mayville Engineering Co made up 0.31% of Osterweis Capital Management's portfolio in Q2 2026, its #80 holding.
154 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on Osterweis Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.