MUELLER INDS INC

Ticker: MLI CUSIP: 624756102 Class: EQTY

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q4 2025

Shares 1,779,906 Value ($000) $204,333 Avg Close $107.37 Range $96.32 - $118.91

Q3 2025

Shares 1,994,875 Value ($000) $201,702 Avg Close $91.43 Range $78.19 - $102.52

Q2 2025

Shares 2,319,569 Value ($000) $184,336 Avg Close $74.93 Range $66.31 - $80.35

Q1 2025

Shares 2,355,971 Value ($000) $179,384 Avg Close $79.01 Range $72.43 - $82.92

Q4 2024

Shares 2,537,498 Value ($000) $201,376 Avg Close $80.24 Range $68.53 - $95.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,779,906	$204,333	$107.37	$96.32 - $118.91
Q3 2025	1,994,875	$201,702	$91.43	$78.19 - $102.52
Q2 2025	2,319,569	$184,336	$74.93	$66.31 - $80.35
Q1 2025	2,355,971	$179,384	$79.01	$72.43 - $82.92
Q4 2024	2,537,498	$201,376	$80.24	$68.53 - $95.49