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Bank of Marin’s Builders FirstSource BLDR Stock Holding History

Bank of Marin’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
Q4 		– Sell
-2,661
Closed -$323K – 132
2025
Q3 		$323K Buy
+2,661
New +$353K 0.23% 114
2025
Q2 		– Sell
-2,944
Closed -$368K – 127
2025
Q1 		$368K Buy
2,944
+1,460
+98% +$212K 0.47% 61
2024
Q4 		$212K Buy
+1,484
New +$263K 0.17% 124

Other funds holding BLDR

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 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
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
BWA
Brave Warrior Advisors New York $4.04B AUM 1.15% 1-Year Est. Return

Bank of Marin's BLDR Position: Q4 2025 in Review

Bank of Marin sold out of Builders FirstSource (BLDR) in Q4 2025, closing a stake of 2,661 shares — an estimated $323K sold.

Bank of Marin first reported a position in BLDR in Q4 2024 and held it in 3 quarters. The position peaked at $368K in Q1 2025. 765 funds tracked by Wall St. Rank hold BLDR as of Q4 2025.

  • Bank of Marin reported no remaining Builders FirstSource position as of Q4 2025 after selling out during the quarter.
  • Bank of Marin sold 2,661 Builders FirstSource shares in Q4 2025, an estimated $323K.
  • Bank of Marin first reported a position in Builders FirstSource in Q4 2024 and held it in 3 quarters.
  • Bank of Marin's Builders FirstSource position peaked at $368K in Q1 2025.
  • 765 funds tracked by Wall St. Rank held Builders FirstSource as of Q4 2025.

Based on Bank of Marin's 13F filing for Q4 2025, filed 17 Feb 2026.