Calamos Advisors
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Calamos Advisors’s Builders FirstSource BLDR Stock Holding History

Calamos 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
2026
Q2 		– Sell
-3,209
Closed -$264K – 1014
2026
Q1 		$264K Buy
+3,209
New +$343K ﹤0.01% 1069
2020
Q1 		– Sell
-8,300
Closed -$211K – 717
2019
Q4 		$211K Buy
+8,300
New +$198K ﹤0.01% 756

Other funds holding BLDR

BlackRock
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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

Calamos Advisors's BLDR Position: Q2 2026 in Review

Calamos Advisors sold out of Builders FirstSource (BLDR) in Q2 2026, closing a stake of 3,209 shares — an estimated $264K sold.

Calamos Advisors first reported a position in BLDR in Q4 2019 and held it in 2 quarters. The position peaked at $264K in Q1 2026. 671 funds tracked by Wall St. Rank hold BLDR as of Q2 2026.

  • Calamos Advisors reported no remaining Builders FirstSource position as of Q2 2026 after selling out during the quarter.
  • Calamos Advisors sold 3,209 Builders FirstSource shares in Q2 2026, an estimated $264K.
  • Calamos Advisors first reported a position in Builders FirstSource in Q4 2019 and held it in 2 quarters.
  • Calamos Advisors's Builders FirstSource position peaked at $264K in Q1 2026.
  • 671 funds tracked by Wall St. Rank held Builders FirstSource as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.