Qube Research & Technologies (QRT)’s Builders FirstSource BLDR Stock Holding History

Qube Research & Technologies (QRT)’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
2026 Q2	$2.25M	Buy	25,200 +17,700	+236%	+$1.41M	﹤0.01%	2072
2026 Q1	$617K	Buy	7,500 +800	+12%	+$85.4K	﹤0.01%	2666
2025 Q4	$689K	Sell	6,700 -8,500	-56%	-$955K	﹤0.01%	2705
2025 Q3	$1.84M	Sell	15,200 -51,800	-77%	-$6.87M	﹤0.01%	2272
2025 Q2	$7.82M	Buy	67,000 +61,700	+1,164%	+$7.12M	0.01%	1447
2025 Q1	$662K	Buy	5,300 +4,600	+657%	+$669K	﹤0.01%	2435
2024 Q4	$100K	Buy	+700	New	+$124K	﹤0.01%	2994
2024 Q2	–	Sell	-1,800	Closed	-$375K	–	3840
2024 Q1	$375K	Buy	+1,800	New	+$333K	﹤0.01%	2695

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

Qube Research & Technologies (QRT)'s BLDR Position: Q2 2026 in Review

Qube Research & Technologies (QRT) increased its Builders FirstSource (BLDR) stake by 869% in Q2 2026, buying an estimated $22.9M and bringing the position to 319,262 shares worth $28.6M. The position accounts for 0.03% of the portfolio, ranked #739.

Qube Research & Technologies (QRT) first reported a position in BLDR in Q4 2019 and has held it in 19 quarters since. The position peaked at $224M in Q4 2023. 670 funds tracked by Wall St. Rank hold BLDR as of Q2 2026.

Qube Research & Technologies (QRT) held 319,262 shares of Builders FirstSource worth $28.6M as of Q2 2026.
Qube Research & Technologies (QRT) bought 286,327 Builders FirstSource shares in Q2 2026, an estimated $22.9M.
Builders FirstSource made up 0.03% of Qube Research & Technologies (QRT)'s portfolio in Q2 2026, its #739 holding.
Qube Research & Technologies (QRT) first reported a position in Builders FirstSource in Q4 2019 and has held it in 19 quarters since.
Qube Research & Technologies (QRT)'s Builders FirstSource position peaked at $224M in Q4 2023.
670 funds tracked by Wall St. Rank held Builders FirstSource as of Q2 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q2 2026, filed 14 Aug 2026.