Rakuten Investment Management’s Builders FirstSource BLDR Stock Holding History

Rakuten Investment 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	$1.29M	Buy	16,412 +1,866	+13%	+$199K	﹤0.01%	415
2025 Q4	$1.5M	Buy	14,546 +594	+4%	+$66.8K	0.01%	474
2025 Q3	$3.32M	Buy	+13,952	New	+$1.85M	0.01%	311
2025 Q1	$1.31M	Buy	+10,518	New	+$1.53M	0.01%	461
2024 Q3	$1.3M	Buy	6,701 +1,506	+29%	+$250K	0.01%	302
2024 Q2	$716K	Buy	5,195 +1,763	+51%	+$299K	﹤0.01%	339
2024 Q1	$716K	Buy	3,432 +3,009	+711%	+$556K	0.01%	266
2023 Q4	$71.3K	Buy	+423	New	+$56.2K	﹤0.01%	242

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

Rakuten Investment Management's BLDR Position: Q1 2026 in Review

Rakuten Investment Management increased its Builders FirstSource (BLDR) stake by 13% in Q1 2026, buying an estimated $199K and bringing the position to 16,412 shares worth $1.29M. The position accounts for ﹤0.01% of the portfolio, ranked #415.

Rakuten Investment Management first reported a position in BLDR in Q4 2023 and has held it in 8 quarters since. The position peaked at $3.32M in Q3 2025. 719 funds tracked by Wall St. Rank hold BLDR as of Q1 2026.

Rakuten Investment Management held 16,412 shares of Builders FirstSource worth $1.29M as of Q1 2026.
Rakuten Investment Management bought 1,866 Builders FirstSource shares in Q1 2026, an estimated $199K.
Builders FirstSource made up ﹤0.01% of Rakuten Investment Management's portfolio in Q1 2026, its #415 holding.
Rakuten Investment Management first reported a position in Builders FirstSource in Q4 2023 and has held it in 8 quarters since.
Rakuten Investment Management's Builders FirstSource position peaked at $3.32M in Q3 2025.
719 funds tracked by Wall St. Rank held Builders FirstSource as of Q1 2026.

Based on Rakuten Investment Management's 13F filing for Q1 2026, filed 12 May 2026.