North Star Investment Management Corp.

Position in MEC — Mayville Engineering Company, Inc.

CIK 1342857 CHICAGO, IL

Position in MEC

as of Jun 30, 2026 · filed Jul 28, 2026 Compact

Position Value

$1,123,800

+$585,300 QoQ

Shares Held

30,000

0.0% QoQ

Ownership

0.118%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

#78

of 154 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

North Star Investment Management Corp. holds $1,631,459 across 4 Metal Fabrication names. MEC ranks #1 (68.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MEC	Mayville Engineering Company, Inc. This page	30,000	$1,123,800
2	CMC	COMMERCIAL METALS Co	7,800	$489,450
3	GPGI	GPGI, Inc.	1,110	$17,593
4	CRS	Carpenter Technology Corp	1	$616

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,123,800	30,000	0.0%	Shares	Sole	2026-07-28
2026-03-31	$538,500	30,000	—	Shares	Sole	2026-04-23
No filing history on record for this holder in this stock.