Harbor Capital Advisors’s Builders FirstSource BLDR Stock Holding History

Harbor Capital 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	$172K	Buy	+2,087	New	+$223K	0.01%	600
2025 Q1	–	Sell	-3,835	Closed	-$548K	–	1421
2024 Q4	$548K	Buy	3,835 +92	+2%	+$16.3K	0.02%	540
2024 Q3	$726K	Buy	3,743 +16	+0.4%	+$2.65K	0.03%	510
2024 Q2	$516K	Buy	3,727 +10	+0.3%	+$1.7K	0.04%	526
2024 Q1	$775K	Buy	+3,717	New	+$687K	0.1%	277

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

Harbor Capital Advisors's BLDR Position: Q1 2026 in Review

Harbor Capital Advisors opened a new position in Builders FirstSource (BLDR) in Q1 2026: 2,087 shares worth $172K. The stake represents 0.01% of the portfolio and ranks #600 among its holdings. This is a return to the name: Harbor Capital Advisors previously reported a position in BLDR as recently as Q4 2024.

Harbor Capital Advisors first reported a position in BLDR in Q1 2024 and has held it in 5 quarters since. The position peaked at $775K in Q1 2024. 719 funds tracked by Wall St. Rank hold BLDR as of Q1 2026.

Harbor Capital Advisors held 2,087 shares of Builders FirstSource worth $172K as of Q1 2026.
Builders FirstSource was a new Harbor Capital Advisors position in Q1 2026.
Builders FirstSource made up 0.01% of Harbor Capital Advisors's portfolio in Q1 2026, its #600 holding.
Harbor Capital Advisors first reported a position in Builders FirstSource in Q1 2024 and has held it in 5 quarters since.
Harbor Capital Advisors's Builders FirstSource position peaked at $775K in Q1 2024.
719 funds tracked by Wall St. Rank held Builders FirstSource as of Q1 2026.

Based on Harbor Capital Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.