LOUISIANA PAC CORP

Ticker: LPX CUSIP: 546347105 Class: Common Stock

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

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

Q4 2025

Shares 829,439 Value ($000) $66,985 Avg Close $84.49 Range $73.42 - $94.25

Q3 2025

Shares 926,427 Value ($000) $82,304 Avg Close $92.32 Range $82.30 - $102.86

Q2 2025

Shares 976,348 Value ($000) $83,956 Avg Close $88.86 Range $78.82 - $95.77

Q1 2025

Shares 989,462 Value ($000) $91,011 Avg Close $104.37 Range $88.60 - $119.91

Q4 2024

Shares 1,060,762 Value ($000) $109,842 Avg Close $108.76 Range $96.90 - $122.87

Q3 2024

Shares 1,088,465 Value ($000) $116,966 Avg Close $94.32 Range $79.20 - $108.50

Q2 2024

Shares 1,105,948 Value ($000) $91,053 Avg Close $83.52 Range $71.39 - $95.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	829,439	$66,985	$84.49	$73.42 - $94.25
Q3 2025	926,427	$82,304	$92.32	$82.30 - $102.86
Q2 2025	976,348	$83,956	$88.86	$78.82 - $95.77
Q1 2025	989,462	$91,011	$104.37	$88.60 - $119.91
Q4 2024	1,060,762	$109,842	$108.76	$96.90 - $122.87
Q3 2024	1,088,465	$116,966	$94.32	$79.20 - $108.50
Q2 2024	1,105,948	$91,053	$83.52	$71.39 - $95.70