Holocene Advisors’s Builders FirstSource BLDR Stock Holding History

Holocene Advisors’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	$46.3M	Buy	562,881 +529,566	+1,590%	+$56.6M	0.11%	189
2025 Q4	$3.43M	Buy	33,315 +14,883	+81%	+$1.67M	0.01%	420
2025 Q3	$2.23M	Sell	18,432 -20,443	-53%	-$2.71M	0.01%	512
2025 Q2	$4.54M	Buy	38,875 +25,931	+200%	+$2.99M	0.01%	408
2025 Q1	$1.62M	Buy	12,944 +5,177	+67%	+$753K	﹤0.01%	577
2024 Q4	$1.11M	Sell	7,767 -187,588	-96%	-$33.2M	﹤0.01%	650
2024 Q3	$37.9M	Buy	+195,355	New	+$32.4M	0.15%	176
2023 Q1	–	Sell	-5,242	Closed	-$340K	–	723
2022 Q4	$340K	Buy	+5,242	New	+$327K	﹤0.01%	646
2018 Q4	–	Sell	-78,805	Closed	-$1.16M	–	652
2018 Q3	$1.16M	Buy	+78,805	New	+$1.33M	0.02%	247

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

Holocene Advisors's BLDR Position: Q1 2026 in Review

Holocene Advisors increased its Builders FirstSource (BLDR) stake by 1,590% in Q1 2026, buying an estimated $56.6M and bringing the position to 562,881 shares worth $46.3M. The position accounts for 0.11% of the portfolio, ranked #189.

Holocene Advisors first reported a position in BLDR in Q3 2018 and has held it in 9 quarters since. 719 funds tracked by Wall St. Rank hold BLDR as of Q1 2026.

Holocene Advisors held 562,881 shares of Builders FirstSource worth $46.3M as of Q1 2026.
Holocene Advisors bought 529,566 Builders FirstSource shares in Q1 2026, an estimated $56.6M.
Builders FirstSource made up 0.11% of Holocene Advisors's portfolio in Q1 2026, its #189 holding.
Holocene Advisors first reported a position in Builders FirstSource in Q3 2018 and has held it in 9 quarters since.
719 funds tracked by Wall St. Rank held Builders FirstSource as of Q1 2026.

Based on Holocene Advisors's 13F filing for Q1 2026, filed 15 May 2026.