Picton Mahoney Asset Management’s Builders FirstSource BLDR Stock Holding History

Picton Mahoney Asset Management’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	$83.3K	Sell	1,012 -111,005	-99%	-$11.9M	﹤0.01%	906
2025 Q4	$11.5M	Buy	112,017 +17,225	+18%	+$1.94M	0.09%	188
2025 Q3	$11.5M	Sell	94,792 -16,960	-15%	-$2.25M	0.1%	174
2025 Q2	$13M	Buy	111,752 +33,656	+43%	+$3.88M	0.13%	152
2025 Q1	$9.76M	Sell	78,096 -4,105	-5%	-$597K	0.17%	130
2024 Q4	$11.7M	Sell	82,201 -22,386	-21%	-$3.96M	0.24%	110
2024 Q3	$20.3M	Buy	104,587 +12,083	+13%	+$2M	0.66%	34
2024 Q2	$12.8M	Sell	92,504 -700	-0.8%	-$119K	0.5%	71
2024 Q1	$19.4M	Buy	93,204 +2,071	+2%	+$383K	0.58%	36
2023 Q4	$15.2M	Buy	91,133 +35,781	+65%	+$4.76M	0.41%	53
2023 Q3	$6.89M	Sell	55,352 -32,041	-37%	-$4.42M	0.21%	113
2023 Q2	$11.9M	Buy	87,393 +18,913	+28%	+$2.1M	0.51%	60
2023 Q1	$6.08M	Buy	+68,480	New	+$5.43M	0.27%	121
2015 Q2	–	Sell	-110,000	Closed	-$734K	–	299
2015 Q1	$734K	Buy	+110,000	New	+$687K	0.03%	171

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

Picton Mahoney Asset Management's BLDR Position: Q1 2026 in Review

Picton Mahoney Asset Management reduced its Builders FirstSource (BLDR) stake by 99% in Q1 2026, selling an estimated $11.9M and leaving 1,012 shares worth $83.3K. The position accounts for ﹤0.01% of the portfolio, ranked #906.

Picton Mahoney Asset Management first reported a position in BLDR in Q1 2015 and has held it in 14 quarters since. The position peaked at $20.3M in Q3 2024. 721 funds tracked by Wall St. Rank hold BLDR as of Q1 2026.

Picton Mahoney Asset Management held 1,012 shares of Builders FirstSource worth $83.3K as of Q1 2026.
Picton Mahoney Asset Management sold 111,005 Builders FirstSource shares in Q1 2026, an estimated $11.9M.
Builders FirstSource made up ﹤0.01% of Picton Mahoney Asset Management's portfolio in Q1 2026, its #906 holding.
Picton Mahoney Asset Management first reported a position in Builders FirstSource in Q1 2015 and has held it in 14 quarters since.
Picton Mahoney Asset Management's Builders FirstSource position peaked at $20.3M in Q3 2024.
721 funds tracked by Wall St. Rank held Builders FirstSource as of Q1 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q1 2026, filed 13 May 2026.