William Blair Investment Management’s Louisiana-Pacific LPX Stock Holding History

William Blair Investment Management’s Portfolio LPX Stock Details LPX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-596,108	Closed	-$43.4M	–	428
2026 Q1	$43.4M	Sell	596,108 -233,331	-28%	-$19.7M	0.14%	147
2025 Q4	$67M	Sell	829,439 -96,988	-10%	-$8.19M	0.19%	128
2025 Q3	$82.3M	Sell	926,427 -49,921	-5%	-$4.61M	0.21%	119
2025 Q2	$84M	Sell	976,348 -13,114	-1%	-$1.17M	0.22%	110
2025 Q1	$91M	Sell	989,462 -71,300	-7%	-$7.44M	0.26%	106
2024 Q4	$110M	Sell	1,060,762 -27,703	-3%	-$3.01M	0.27%	108
2024 Q3	$117M	Sell	1,088,465 -17,483	-2%	-$1.65M	0.29%	106
2024 Q2	$91.1M	Buy	+1,105,948	New	+$92.4M	0.24%	107

Other funds holding LPX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Berkshire Hathaway Omaha, Nebraska $299B AUM 27.55% 1-Year Est. Return

5NCM

59 North Capital Management Houston, Texas $4.49B AUM 6.4% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

William Blair Investment Management's LPX Position: Q2 2026 in Review

William Blair Investment Management sold out of Louisiana-Pacific (LPX) in Q2 2026, closing a stake of 596,108 shares — an estimated $43.4M sold.

William Blair Investment Management first reported a position in LPX in Q2 2024 and held it in 8 quarters. The position peaked at $117M in Q3 2024. 420 funds tracked by Wall St. Rank hold LPX as of Q2 2026.

William Blair Investment Management reported no remaining Louisiana-Pacific position as of Q2 2026 after selling out during the quarter.
William Blair Investment Management sold 596,108 Louisiana-Pacific shares in Q2 2026, an estimated $43.4M.
William Blair Investment Management first reported a position in Louisiana-Pacific in Q2 2024 and held it in 8 quarters.
William Blair Investment Management's Louisiana-Pacific position peaked at $117M in Q3 2024.
420 funds tracked by Wall St. Rank held Louisiana-Pacific as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.