AlphaGrep UK
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AlphaGrep UK’s Builders FirstSource BLDR Stock Holding History

AlphaGrep UK’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
Q3 		$489K Buy
+8,578
New +$589K 0.15% 254
2026
Q2 		– Sell
-3,666
Closed -$302K – 752
2026
Q1 		$302K Buy
+3,666
New +$391K 0.09% 504

Other funds holding BLDR

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $106B AUM 32.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $483B AUM 27.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $24.8B AUM 30.34% 1-Year Est. Return
Atlas FRM
Atlas FRM Greenwich, Connecticut $2.61B AUM 9.68% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return

AlphaGrep UK's BLDR Position: Q3 2026 in Review

AlphaGrep UK opened a new position in Builders FirstSource (BLDR) in Q3 2026: 8,578 shares worth $489K. The stake represents 0.15% of the portfolio and ranks #254 among its holdings. This is a return to the name: AlphaGrep UK previously reported a position in BLDR as recently as Q1 2026.

AlphaGrep UK first reported a position in BLDR in Q1 2026 and has held it in 2 quarters since. 473 funds tracked by Wall St. Rank hold BLDR as of Q3 2026.

  • AlphaGrep UK held 8,578 shares of Builders FirstSource worth $489K as of Q3 2026.
  • Builders FirstSource was a new AlphaGrep UK position in Q3 2026.
  • Builders FirstSource made up 0.15% of AlphaGrep UK's portfolio in Q3 2026, its #254 holding.
  • AlphaGrep UK first reported a position in Builders FirstSource in Q1 2026 and has held it in 2 quarters since.
  • 473 funds tracked by Wall St. Rank held Builders FirstSource as of Q3 2026.

Based on AlphaGrep UK's 13F filing for Q3 2026, filed 12 Nov 2026.