MAYVILLE ENGR CO INC

Ticker: MEC CUSIP: 578605107 Class: Common Stock

Boston Partners's Holding History (CIK: 0001386060)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 222,730 Value ($000) $4,170 Avg Close $16.31 Range $12.25 - $19.77

Q3 2025

Shares 198,160 Value ($000) $2,727 Avg Close $15.04 Range $12.10 - $17.62

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	222,730	$4,170	$16.31	$12.25 - $19.77
Q3 2025	198,160	$2,727	$15.04	$12.10 - $17.62