BUILDERS FIRSTSOURCE INC

Ticker: BLDR CUSIP: 12008R107 Class: EQTY

Mountain Lake Investment Management LLC's Holding History (CIK: 0001308555)

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

Q4 2025

Shares 83,944 Value ($000) $8,637 Avg Close $112.38 Range $94.35 - $130.42

Q3 2025

Shares 76,562 Value ($000) $9,283 Avg Close $132.67 Range $115.57 - $151.03

Q2 2025

Shares 81,145 Value ($000) $9,469 Avg Close $115.39 Range $102.60 - $131.32

Q1 2025

Shares 55,284 Value ($000) $6,907 Avg Close $145.49 Range $119.65 - $175.12

Q4 2024

Shares 36,367 Value ($000) $5,201 Avg Close $176.96 Range $141.03 - $201.53

Q3 2024

Shares 34,000 Value ($000) $6,591 Avg Close $165.82 Range $130.75 - $203.14

Q2 2024

Shares 33,000 Value ($000) $4,568 Avg Close $169.76 Range $133.58 - $210.00

Q1 2024

Shares 11,850 Value ($000) $2,471 Avg Close $184.81 Range $154.01 - $214.70

Q4 2023

Shares 10,500 Value ($000) $1,753 Avg Close $132.90 Range $105.24 - $171.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	83,944	$8,637	$112.38	$94.35 - $130.42
Q3 2025	76,562	$9,283	$132.67	$115.57 - $151.03
Q2 2025	81,145	$9,469	$115.39	$102.60 - $131.32
Q1 2025	55,284	$6,907	$145.49	$119.65 - $175.12
Q4 2024	36,367	$5,201	$176.96	$141.03 - $201.53
Q3 2024	34,000	$6,591	$165.82	$130.75 - $203.14
Q2 2024	33,000	$4,568	$169.76	$133.58 - $210.00
Q1 2024	11,850	$2,471	$184.81	$154.01 - $214.70
Q4 2023	10,500	$1,753	$132.90	$105.24 - $171.03