RELIANCE STEEL & ALUMINUM CO

Ticker: RS CUSIP: 759509102 Class: COM

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

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

Q4 2025

Shares 280,335 Value ($000) $80,980 Avg Close $280.97 Range $260.31 - $300.72

Q3 2025

Shares 224,803 Value ($000) $63,131 Avg Close $300.03 Range $276.02 - $347.44

Q2 2025

Shares 230,562 Value ($000) $72,373 Avg Close $295.22 Range $250.07 - $318.14

Q4 2018

Shares 29,960 Value ($000) $2,132 Avg Close $78.93 Range $68.62 - $86.61

Q3 2018

Shares 32,922 Value ($000) $2,808 Avg Close $88.52 Range $83.12 - $94.15

Q2 2018

Shares 32,347 Value ($000) $2,832 Avg Close $90.94 Range $82.40 - $97.41

Q1 2018

Shares 32,545 Value ($000) $2,790 Avg Close $89.30 Range $79.84 - $95.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	280,335	$80,980	$280.97	$260.31 - $300.72
Q3 2025	224,803	$63,131	$300.03	$276.02 - $347.44
Q2 2025	230,562	$72,373	$295.22	$250.07 - $318.14
Q4 2018	29,960	$2,132	$78.93	$68.62 - $86.61
Q3 2018	32,922	$2,808	$88.52	$83.12 - $94.15
Q2 2018	32,347	$2,832	$90.94	$82.40 - $97.41
Q1 2018	32,545	$2,790	$89.30	$79.84 - $95.97