Shay Capital’s Builders FirstSource BLDR Stock Holding History

Shay 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
2026 Q2	$1.28M	Sell	14,250 -150	-1%	-$12K	0.08%	187
2026 Q1	$1.19M	Buy	+14,400	New	+$1.54M	0.1%	156
2025 Q4	–	Sell	-3,000	Closed	-$364K	–	504
2025 Q3	$364K	Buy	+3,000	New	+$398K	0.03%	287
2024 Q2	–	Sell	-1,950	Closed	-$407K	–	291
2024 Q1	$407K	Buy	+1,950	New	+$360K	0.06%	202
2021 Q3	–	Sell	-72,480	Closed	-$3.09M	–	551
2021 Q2	$3.09M	Buy	72,480 +22,480	+45%	+$1.04M	0.35%	49
2021 Q1	$2.32M	Buy	+50,000	New	+$2.13M	0.24%	80

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

Shay Capital's BLDR Position: Q2 2026 in Review

Shay Capital reduced its Builders FirstSource (BLDR) stake by 1% in Q2 2026, selling an estimated $12K and leaving 14,250 shares worth $1.28M. The position accounts for 0.08% of the portfolio, ranked #187.

Shay Capital first reported a position in BLDR in Q1 2021 and has held it in 6 quarters since. The position peaked at $3.09M in Q2 2021. 670 funds tracked by Wall St. Rank hold BLDR as of Q2 2026.

Shay Capital held 14,250 shares of Builders FirstSource worth $1.28M as of Q2 2026.
Shay Capital sold 150 Builders FirstSource shares in Q2 2026, an estimated $12K.
Builders FirstSource made up 0.08% of Shay Capital's portfolio in Q2 2026, its #187 holding.
Shay Capital first reported a position in Builders FirstSource in Q1 2021 and has held it in 6 quarters since.
Shay Capital's Builders FirstSource position peaked at $3.09M in Q2 2021.
670 funds tracked by Wall St. Rank held Builders FirstSource as of Q2 2026.

Based on Shay Capital's 13F filing for Q2 2026, filed 14 Aug 2026.