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Harbour Investments’s Builders FirstSource BLDR Stock Holding History

Harbour Investments’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
Q1 		$359K Buy
4,355
+3,702
+567% +$395K 0.01% 1210
2025
Q4 		$67.2K Buy
653
+466
+249% +$52.4K ﹤0.01% 1823
2025
Q3 		$22.7K Buy
187
+8
+4% +$1.06K ﹤0.01% 2269
2025
Q2 		$20.9K Sell
179
-15
-8% -$1.73K ﹤0.01% 2211
2025
Q1 		$24.2K Sell
194
-23
-11% -$3.35K ﹤0.01% 2103
2024
Q4 		$31K Buy
217
+4
+2% +$708 ﹤0.01% 1932
2024
Q3 		$41.3K Buy
213
+3
+1% +$497 ﹤0.01% 1757
2024
Q2 		$29.1K Buy
210
+6
+3% +$1.02K ﹤0.01% 1789
2024
Q1 		$42.5K Buy
204
+55
+37% +$10.2K ﹤0.01% 1604
2023
Q4 		$24.9K Buy
149
+4
+3% +$532 ﹤0.01% 1768
2023
Q3 		$18.1K Buy
145
+69
+91% +$9.52K ﹤0.01% 1790
2023
Q2 		$10.3K Buy
76
+33
+77% +$3.67K ﹤0.01% 2009
2023
Q1 		$3.82K Sell
43
-9
-17% -$713 ﹤0.01% 2378
2022
Q4 		$3.37K Hold
52
– – ﹤0.01% 2365
2022
Q3 		$3K Hold
52
– – ﹤0.01% 2295
2022
Q2 		$3K Buy
+52
New +$3.19K ﹤0.01% 2295
2021
Q4 		– Sell
-179
Closed -$9K – 2727
2021
Q3 		$9K Sell
179
-370
-67% -$18.1K ﹤0.01% 2704
2021
Q2 		$23K Hold
549
– – ﹤0.01% 2262
2021
Q1 		$25K Buy
+549
New +$23.4K ﹤0.01% 2081

Other funds holding BLDR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 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
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
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Harbour Investments's BLDR Position: Q1 2026 in Review

Harbour Investments increased its Builders FirstSource (BLDR) stake by 567% in Q1 2026, buying an estimated $395K and bringing the position to 4,355 shares worth $359K. The position accounts for 0.01% of the portfolio, ranked #1210.

Harbour Investments first reported a position in BLDR in Q1 2021 and has held it in 19 quarters since. 719 funds tracked by Wall St. Rank hold BLDR as of Q1 2026.

  • Harbour Investments held 4,355 shares of Builders FirstSource worth $359K as of Q1 2026.
  • Harbour Investments bought 3,702 Builders FirstSource shares in Q1 2026, an estimated $395K.
  • Builders FirstSource made up 0.01% of Harbour Investments's portfolio in Q1 2026, its #1210 holding.
  • Harbour Investments first reported a position in Builders FirstSource in Q1 2021 and has held it in 19 quarters since.
  • 719 funds tracked by Wall St. Rank held Builders FirstSource as of Q1 2026.

Based on Harbour Investments's 13F filing for Q1 2026, filed 15 May 2026.