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 Q2	$95.5M	Buy	1,066,869 +503,988	+90%	+$40.2M	0.22%	128
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 $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

Holocene Advisors's BLDR Position: Q2 2026 in Review

Holocene Advisors increased its Builders FirstSource (BLDR) stake by 90% in Q2 2026, buying an estimated $40.2M and bringing the position to 1,066,869 shares worth $95.5M. The position accounts for 0.22% of the portfolio, ranked #128.

Holocene Advisors first reported a position in BLDR in Q3 2018 and has held it in 10 quarters since. 671 funds tracked by Wall St. Rank hold BLDR as of Q2 2026.

Holocene Advisors held 1,066,869 shares of Builders FirstSource worth $95.5M as of Q2 2026.
Holocene Advisors bought 503,988 Builders FirstSource shares in Q2 2026, an estimated $40.2M.
Builders FirstSource made up 0.22% of Holocene Advisors's portfolio in Q2 2026, its #128 holding.
Holocene Advisors first reported a position in Builders FirstSource in Q3 2018 and has held it in 10 quarters since.
671 funds tracked by Wall St. Rank held Builders FirstSource as of Q2 2026.

Based on Holocene Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.