KA
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Kailix Advisors’s Builders FirstSource BLDR Stock Holding History

Kailix 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
2025
Q3 		– Sell
-63,495
Closed -$7.41M – 9
2025
Q2 		$7.41M Buy
63,495
+340
+0.5% +$39.2K 11.47% 4
2025
Q1 		$7.89M Buy
63,155
+5,690
+10% +$828K 8.87% 7
2024
Q4 		$8.21M Buy
+57,465
New +$10.2M 6.88% 8
2023
Q1 		– Sell
-17,250
Closed -$1.12M – 8
2022
Q4 		$1.12M Buy
+17,250
New +$1.08M 0.69% 8

Other funds holding BLDR

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return

Kailix Advisors's BLDR Position: Q3 2025 in Review

Kailix Advisors sold out of Builders FirstSource (BLDR) in Q3 2025, closing a stake of 63,495 shares — an estimated $7.41M sold.

Kailix Advisors first reported a position in BLDR in Q4 2022 and held it in 4 quarters. The position peaked at $8.21M in Q4 2024. 775 funds tracked by Wall St. Rank hold BLDR as of Q3 2025.

  • Kailix Advisors reported no remaining Builders FirstSource position as of Q3 2025 after selling out during the quarter.
  • Kailix Advisors sold 63,495 Builders FirstSource shares in Q3 2025, an estimated $7.41M.
  • Kailix Advisors first reported a position in Builders FirstSource in Q4 2022 and held it in 4 quarters.
  • Kailix Advisors's Builders FirstSource position peaked at $8.21M in Q4 2024.
  • 775 funds tracked by Wall St. Rank held Builders FirstSource as of Q3 2025.

Based on Kailix Advisors's 13F filing for Q3 2025, filed 6 Nov 2025.