XT
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XTX Topco’s Builders FirstSource BLDR Stock Holding History

XTX Topco’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 		$2M Sell
22,299
-40,667
-65% -$3.25M 0.03% 1100
2026
Q1 		$5.18M Buy
62,966
+50,559
+408% +$5.4M 0.09% 268
2025
Q4 		$1.28M Buy
12,407
+4,170
+51% +$469K 0.03% 858
2025
Q3 		$999K Buy
+8,237
New +$1.09M 0.05% 575
2025
Q2 		– Sell
-7,593
Closed -$949K – 2390
2025
Q1 		$949K Buy
+7,593
New +$1.1M 0.05% 600
2024
Q4 		– Sell
-10,579
Closed -$2.05M – 2313
2024
Q3 		$2.05M Buy
10,579
+9,011
+575% +$1.49M 0.15% 140
2024
Q2 		$217K Sell
1,568
-1,093
-41% -$186K 0.02% 1181
2024
Q1 		$555K Buy
2,661
+1,181
+80% +$218K 0.07% 434
2023
Q4 		$247K Sell
1,480
-5,394
-78% -$717K 0.05% 788
2023
Q3 		$856K Sell
6,874
-247
-3% -$34.1K 0.15% 152
2023
Q2 		$968K Buy
+7,121
New +$792K 0.17% 93
2022
Q2 		– Sell
-8,802
Closed -$568K – 863
2022
Q1 		$568K Buy
+8,802
New +$639K 0.25% 114

Other funds holding BLDR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

XTX Topco's BLDR Position: Q2 2026 in Review

XTX Topco reduced its Builders FirstSource (BLDR) stake by 65% in Q2 2026, selling an estimated $3.25M and leaving 22,299 shares worth $2M. The position accounts for 0.03% of the portfolio, ranked #1100.

XTX Topco first reported a position in BLDR in Q1 2022 and has held it in 12 quarters since. The position peaked at $5.18M in Q1 2026. 671 funds tracked by Wall St. Rank hold BLDR as of Q2 2026.

  • XTX Topco held 22,299 shares of Builders FirstSource worth $2M as of Q2 2026.
  • XTX Topco sold 40,667 Builders FirstSource shares in Q2 2026, an estimated $3.25M.
  • Builders FirstSource made up 0.03% of XTX Topco's portfolio in Q2 2026, its #1100 holding.
  • XTX Topco first reported a position in Builders FirstSource in Q1 2022 and has held it in 12 quarters since.
  • XTX Topco's Builders FirstSource position peaked at $5.18M in Q1 2026.
  • 671 funds tracked by Wall St. Rank held Builders FirstSource as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.