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Rossby Financial’s Builders FirstSource BLDR Stock Holding History

Rossby Financial’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 		$34.3K Sell
383
-38
-9% -$3.04K 0.01% 805
2026
Q1 		$34.1K Sell
421
-1,568
-79% -$167K 0.01% 855
2025
Q4 		$205K Sell
1,989
-71
-3% -$7.98K 0.06% 273
2025
Q3 		$261K Buy
2,060
+248
+14% +$32.9K 0.09% 232
2025
Q2 		$211K Buy
1,812
+30
+2% +$3.46K 0.08% 244
2025
Q1 		$216K Buy
+1,782
New +$259K 0.09% 213

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

Rossby Financial's BLDR Position: Q2 2026 in Review

Rossby Financial reduced its Builders FirstSource (BLDR) stake by 9% in Q2 2026, selling an estimated $3.04K and leaving 383 shares worth $34.3K. The position accounts for 0.01% of the portfolio, ranked #805.

Rossby Financial first reported a position in BLDR in Q1 2025 and has held it in 6 quarters since. The position peaked at $261K in Q3 2025. 671 funds tracked by Wall St. Rank hold BLDR as of Q2 2026.

  • Rossby Financial held 383 shares of Builders FirstSource worth $34.3K as of Q2 2026.
  • Rossby Financial sold 38 Builders FirstSource shares in Q2 2026, an estimated $3.04K.
  • Builders FirstSource made up 0.01% of Rossby Financial's portfolio in Q2 2026, its #805 holding.
  • Rossby Financial first reported a position in Builders FirstSource in Q1 2025 and has held it in 6 quarters since.
  • Rossby Financial's Builders FirstSource position peaked at $261K in Q3 2025.
  • 671 funds tracked by Wall St. Rank held Builders FirstSource as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.