BUILDERS FIRSTSOURCE INC

Ticker: BLDR CUSIP: 12008R107 Class: EQTY

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q4 2020

Shares 109,358 Value ($000) $4,463 Avg Close $35.42 Range $29.73 - $42.84

Q3 2020

Shares 62,472 Value ($000) $2,038 Avg Close $27.14 Range $19.03 - $33.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	109,358	$4,463	$35.42	$29.73 - $42.84
Q3 2020	62,472	$2,038	$27.14	$19.03 - $33.45