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Ostrum Asset Management’s Builders FirstSource BLDR Stock Holding History

Ostrum Asset Management’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 		– Sell
-2,545
Closed -$210K – 552
2026
Q1 		$210K Buy
2,545
+1,953
+330% +$209K 0.01% 514
2025
Q4 		$60.9K Sell
592
-2,782
-82% -$313K ﹤0.01% 554
2025
Q3 		$409K Buy
3,374
+2,560
+314% +$340K 0.02% 431
2025
Q2 		$95K Sell
814
-24
-3% -$2.77K ﹤0.01% 545
2025
Q1 		$105K Sell
838
-22
-3% -$3.2K 0.01% 568
2024
Q4 		$123K Sell
860
-37
-4% -$6.55K 0.01% 560
2024
Q3 		$174K Buy
897
+11
+1% +$1.82K 0.01% 506
2024
Q2 		$123K Sell
886
-69
-7% -$11.7K 0.01% 560
2024
Q1 		$199K Hold
955
– – 0.02% 540
2023
Q4 		$159K Sell
955
-1,700
-64% -$226K 0.01% 548
2023
Q3 		$331K Buy
2,655
+1,697
+177% +$234K 0.03% 495
2023
Q2 		$130K Buy
+958
New +$107K 0.01% 570

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

Ostrum Asset Management's BLDR Position: Q2 2026 in Review

Ostrum Asset Management sold out of Builders FirstSource (BLDR) in Q2 2026, closing a stake of 2,545 shares — an estimated $210K sold.

Ostrum Asset Management first reported a position in BLDR in Q2 2023 and held it in 12 quarters. The position peaked at $409K in Q3 2025. 671 funds tracked by Wall St. Rank hold BLDR as of Q2 2026.

  • Ostrum Asset Management reported no remaining Builders FirstSource position as of Q2 2026 after selling out during the quarter.
  • Ostrum Asset Management sold 2,545 Builders FirstSource shares in Q2 2026, an estimated $210K.
  • Ostrum Asset Management first reported a position in Builders FirstSource in Q2 2023 and held it in 12 quarters.
  • Ostrum Asset Management's Builders FirstSource position peaked at $409K in Q3 2025.
  • 671 funds tracked by Wall St. Rank held Builders FirstSource as of Q2 2026.

Based on Ostrum Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.