Cartenna Capital’s Builders FirstSource BLDR Stock Holding History

Cartenna Capital’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	-150,000	Closed	-$18.2M	–	50
2025 Q3	$18.2M	Buy	+150,000	New	+$19.9M	0.51%	38
2024 Q4	–	Sell	-115,000	Closed	-$22.3M	–	40
2024 Q3	$22.3M	Buy	+115,000	New	+$19.1M	0.87%	37
2024 Q2	–	Sell	-50,000	Closed	-$10.4M	–	48
2024 Q1	$10.4M	Sell	50,000 -130,000	-72%	-$24M	0.57%	35
2023 Q4	$30M	Buy	+180,000	New	+$23.9M	1.85%	19

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

Cartenna Capital's BLDR Position: Q4 2025 in Review

Cartenna Capital sold out of Builders FirstSource (BLDR) in Q4 2025, closing a stake of 150,000 shares — an estimated $18.2M sold.

Cartenna Capital first reported a position in BLDR in Q4 2023 and held it in 4 quarters. The position peaked at $30M in Q4 2023. 765 funds tracked by Wall St. Rank hold BLDR as of Q4 2025.

Cartenna Capital reported no remaining Builders FirstSource position as of Q4 2025 after selling out during the quarter.
Cartenna Capital sold 150,000 Builders FirstSource shares in Q4 2025, an estimated $18.2M.
Cartenna Capital first reported a position in Builders FirstSource in Q4 2023 and held it in 4 quarters.
Cartenna Capital's Builders FirstSource position peaked at $30M in Q4 2023.
765 funds tracked by Wall St. Rank held Builders FirstSource as of Q4 2025.

Based on Cartenna Capital's 13F filing for Q4 2025, filed 17 Feb 2026.