Twin Tree Management’s Builders FirstSource BLDR Stock Holding History

Twin Tree 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
2024 Q4	–	Sell	-7,900	Closed	-$1.53M	–	1578
2024 Q3	$1.53M	Hold	7,900	–	–	﹤0.01%	1179
2024 Q2	$1.09M	Buy	+7,900	New	+$1.34M	﹤0.01%	1045
2024 Q1	–	Sell	-15,600	Closed	-$2.6M	–	1280
2023 Q4	$2.6M	Sell	15,600 -6,300	-29%	-$837K	0.01%	1009
2023 Q3	$2.73M	Buy	+21,900	New	+$3.02M	0.01%	812
2021 Q2	–	Sell	-68,500	Closed	-$3.18M	–	1339
2021 Q1	$3.18M	Buy	+68,500	New	+$2.92M	0.01%	747

Other funds holding BLDR

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Twin Tree Management's BLDR Position: Q2 2026 in Review

Twin Tree Management opened a new position in Builders FirstSource (BLDR) in Q2 2026: 1,615 shares worth $145K. The stake represents ﹤0.01% of the portfolio and ranks #1246 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in BLDR as recently as Q3 2025.

Twin Tree Management first reported a position in BLDR in Q2 2021 and has held it in 14 quarters since. The position peaked at $50.2M in Q2 2023. 671 funds tracked by Wall St. Rank hold BLDR as of Q2 2026.

Twin Tree Management held 1,615 shares of Builders FirstSource worth $145K as of Q2 2026.
Builders FirstSource was a new Twin Tree Management position in Q2 2026.
Builders FirstSource made up ﹤0.01% of Twin Tree Management's portfolio in Q2 2026, its #1246 holding.
Twin Tree Management first reported a position in Builders FirstSource in Q2 2021 and has held it in 14 quarters since.
Twin Tree Management's Builders FirstSource position peaked at $50.2M in Q2 2023.
671 funds tracked by Wall St. Rank held Builders FirstSource as of Q2 2026.

Based on Twin Tree Management's 13F filing for Q2 2026, filed 12 Aug 2026.