BLAIR WILLIAM & CO/IL

Position in MLI — Mueller Industries Inc

CIK 902367 CHICAGO, IL

Position in MLI

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$849,836

-$14,321 QoQ

Shares Held

15,340

+1.9% QoQ

Ownership

0.014%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2024

6 quarters on record

Voting authority Sole 97.45110821382008.ToString("F0")% Shared 0.ToString("F0")% None 2.548891786179922.ToString("F0")%

Industrials · as of Mar 31, 2026

BLAIR WILLIAM & CO/IL holds $46,834,168 across 4 Metal Fabrication names. MLI ranks #4 (1.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ATI	Ati Inc	236,996	$34,473,438
2	MEC	Mayville Engineering Company, Inc.	565,300	$10,147,135
3	CRS	Carpenter Technology Corp	3,460	$1,363,759
4	MLI	Mueller Industries Inc This page	15,340	$849,836

6 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$849,836	15,340	+1.9%	Shares	Sole	2026-05-08
2025-12-31	$864,157	15,055	+4.1%	Shares	Sole	2026-02-17
2025-09-30	$731,227	14,464	+8.9%	Shares	Sole	2025-11-12
2025-06-30	$527,800	13,283	+0.3%	Shares	Sole	2025-07-24
2025-03-31	$504,199	13,244	-3.8%	Shares	Sole	2025-05-09
2024-12-31	$546,552	13,774	—	Shares	Sole	2025-02-12
No filing history on record for this holder in this stock.