BLAIR WILLIAM & CO/IL

Position in MLI — Mueller Industries Inc

CIK 902367 CHICAGO, IL

Position in MLI

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$2,378,940

+$679,268 QoQ

Shares Held

38,704

+26.2% QoQ

Ownership

0.017%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#240

of 737 holders

Holding Since

Dec 2024

7 quarters on record

Voting authority Sole 79% Shared 0% None 21%

Industrials · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $71,561,524 across 4 Metal Fabrication names. MLI ranks #4 (3.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ATI	Ati Inc	231,946	$45,716,556
2	MEC	Mayville Engineering Company, Inc.	546,714	$20,479,906
3	CRS	Carpenter Technology Corp	4,841	$2,986,122
4	MLI	Mueller Industries Inc This page	38,704	$2,378,940

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,378,940	19,352	+26.2%	Shares	Sole	2026-08-11
2026-03-31	$1,699,672	15,340	+1.9%	Shares	Sole	2026-05-08
2025-12-31	$1,728,314	15,055	+4.1%	Shares	Sole	2026-02-17
2025-09-30	$1,462,455	14,464	+8.9%	Shares	Sole	2025-11-12
2025-06-30	$1,055,600	13,283	+0.3%	Shares	Sole	2025-07-24
2025-03-31	$1,008,398	13,244	-3.8%	Shares	Sole	2025-05-09
2024-12-31	$1,093,104	13,774	—	Shares	Sole	2025-02-12
No filing history on record for this holder in this stock.