Penbrook Management’s Builders FirstSource BLDR Stock Holding History

Penbrook Management’s Portfolio BLDR Stock Details BLDR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-2,741	Closed	-$332K	–	99
2025 Q3	$332K	Sell	2,741 -2,741	-50%	-$364K	0.23%	71
2025 Q2	$662K	Buy	5,482 +2,741	+100%	+$316K	0.25%	74
2025 Q1	$342K	Sell	2,741 -132	-5%	-$19.2K	0.26%	74
2024 Q4	$411K	Hold	2,873	–	–	0.28%	71
2024 Q3	$557K	Sell	2,873 -1,924	-40%	-$319K	0.36%	57
2024 Q2	$664K	Sell	4,797 -5,723	-54%	-$972K	0.41%	50
2024 Q1	$2.19M	Sell	10,520 -2,281	-18%	-$422K	1.36%	14
2023 Q4	$2.14M	Sell	12,801 -524	-4%	-$69.6K	1.44%	15
2023 Q3	$1.66M	Hold	13,325	–	–	1.22%	16
2023 Q2	$1.81M	Sell	13,325 -393	-3%	-$43.7K	1.31%	15
2023 Q1	$1.22M	Sell	13,718 -131	-0.9%	-$10.4K	0.93%	26
2022 Q4	$899K	Sell	13,849 -524	-4%	-$32.7K	0.77%	37
2022 Q3	$847K	Hold	14,373	–	–	0.73%	38
2022 Q2	$772K	Hold	14,373	–	–	0.61%	49
2022 Q1	$928K	Sell	14,373 -449	-3%	-$32.6K	0.6%	52
2021 Q4	$1.27M	Hold	14,822	–	–	0.77%	40
2021 Q3	$767K	Sell	14,822 -656	-4%	-$32K	0.48%	65
2021 Q2	$660K	Hold	15,478	–	–	0.4%	69
2021 Q1	$718K	Buy	+15,478	New	+$659K	0.52%	60

Other funds holding BLDR

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

BWA

Brave Warrior Advisors New York $4.04B AUM 1.15% 1-Year Est. Return

Penbrook Management's BLDR Position: Q4 2025 in Review

Penbrook Management sold out of Builders FirstSource (BLDR) in Q4 2025, closing a stake of 2,741 shares — an estimated $332K sold.

Penbrook Management first reported a position in BLDR in Q1 2021 and held it in 19 quarters. The position peaked at $2.19M in Q1 2024. 765 funds tracked by Wall St. Rank hold BLDR as of Q4 2025.

Penbrook Management reported no remaining Builders FirstSource position as of Q4 2025 after selling out during the quarter.
Penbrook Management sold 2,741 Builders FirstSource shares in Q4 2025, an estimated $332K.
Penbrook Management first reported a position in Builders FirstSource in Q1 2021 and held it in 19 quarters.
Penbrook Management's Builders FirstSource position peaked at $2.19M in Q1 2024.
765 funds tracked by Wall St. Rank held Builders FirstSource as of Q4 2025.

Based on Penbrook Management's 13F filing for Q4 2025, filed 6 Jan 2026.