Woodline Partners’s Builders FirstSource BLDR Stock Holding History

Woodline Partners’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 Q1	$998K	Buy	+12,116	New	+$1.29M	﹤0.01%	887
2025 Q3	–	Sell	-11,954	Closed	-$1.39M	–	894
2025 Q2	$1.39M	Buy	11,954 +2,231	+23%	+$257K	0.01%	769
2025 Q1	$1.21M	Buy	9,723 +2,812	+41%	+$409K	0.01%	741
2024 Q4	$988K	Buy	+6,911	New	+$1.22M	0.01%	763

Other funds holding BLDR

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 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

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Woodline Partners's BLDR Position: Q1 2026 in Review

Woodline Partners opened a new position in Builders FirstSource (BLDR) in Q1 2026: 12,116 shares worth $998K. The stake represents ﹤0.01% of the portfolio and ranks #887 among its holdings. This is a return to the name: Woodline Partners previously reported a position in BLDR as recently as Q2 2025.

Woodline Partners first reported a position in BLDR in Q4 2024 and has held it in 4 quarters since. The position peaked at $1.39M in Q2 2025. 719 funds tracked by Wall St. Rank hold BLDR as of Q1 2026.

Woodline Partners held 12,116 shares of Builders FirstSource worth $998K as of Q1 2026.
Builders FirstSource was a new Woodline Partners position in Q1 2026.
Builders FirstSource made up ﹤0.01% of Woodline Partners's portfolio in Q1 2026, its #887 holding.
Woodline Partners first reported a position in Builders FirstSource in Q4 2024 and has held it in 4 quarters since.
Woodline Partners's Builders FirstSource position peaked at $1.39M in Q2 2025.
719 funds tracked by Wall St. Rank held Builders FirstSource as of Q1 2026.

Based on Woodline Partners's 13F filing for Q1 2026, filed 15 May 2026.