BUILDERS FIRSTSOURCE INC

Ticker: BLDR CUSIP: 12008R107 Class: EQTY

Atom Investors LP's Holding History (CIK: 0001738902)

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

Q4 2025

Shares 51,161 Value ($000) $5,264 Avg Close $112.38 Range $94.35 - $130.42

Q3 2025

Shares 40,517 Value ($000) $4,913 Avg Close $132.67 Range $115.57 - $151.03

Q1 2025

Shares 2,380 Value ($000) $297 Avg Close $145.49 Range $119.65 - $175.12

Q4 2024

Shares 3,420 Value ($000) $489 Avg Close $176.96 Range $141.03 - $201.53

Q2 2024

Shares 31,543 Value ($000) $4,366 Avg Close $169.76 Range $133.58 - $210.00

Q4 2023

Shares 10,597 Value ($000) $1,769 Avg Close $132.90 Range $105.24 - $171.03

Q2 2023

Shares 4,938 Value ($000) $672 Avg Close $111.21 Range $84.78 - $138.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	51,161	$5,264	$112.38	$94.35 - $130.42
Q3 2025	40,517	$4,913	$132.67	$115.57 - $151.03
Q1 2025	2,380	$297	$145.49	$119.65 - $175.12
Q4 2024	3,420	$489	$176.96	$141.03 - $201.53
Q2 2024	31,543	$4,366	$169.76	$133.58 - $210.00
Q4 2023	10,597	$1,769	$132.90	$105.24 - $171.03
Q2 2023	4,938	$672	$111.21	$84.78 - $138.53