Millennium Management’s Builders FirstSource BLDR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$33.1M Buy
401,600
+392,500
+4,313% +$41.9M 0.01% 1146
2025
Q4
$936K Sell
9,100
-1,400
-13% -$157K ﹤0.01% 4529
2025
Q3
$1.27M Sell
10,500
-57,500
-85% -$7.63M ﹤0.01% 4429
2025
Q2
$7.93M Buy
68,000
+64,100
+1,644% +$7.4M ﹤0.01% 2507
2025
Q1
$487K Sell
3,900
-4,600
-54% -$669K ﹤0.01% 4830
2024
Q4
$1.21M Sell
8,500
-11,300
-57% -$2M ﹤0.01% 4038
2024
Q3
$3.84M Sell
19,800
-400
-2% -$66.3K ﹤0.01% 3083
2024
Q2
$2.8M Buy
20,200
+2,300
+13% +$390K ﹤0.01% 3232
2024
Q1
$3.73M Buy
17,900
+7,900
+79% +$1.46M ﹤0.01% 3171
2023
Q4
$1.67M Buy
+10,000
New +$1.33M ﹤0.01% 3756
2021
Q3
Sell
-5,600
Closed -$239K 6789
2021
Q2
$239K Buy
+5,600
New +$260K ﹤0.01% 5901

Other funds holding BLDR

Millennium Management's BLDR Position: Q1 2026 in Review

Millennium Management increased its Builders FirstSource (BLDR) stake by 123% in Q1 2026, buying an estimated $33.6M and bringing the position to 571,262 shares worth $47M. The position accounts for 0.02% of the portfolio, ranked #862.

Millennium Management first reported a position in BLDR in Q2 2013 and has held it in 46 quarters since. The position peaked at $155M in Q2 2021. 719 funds tracked by Wall St. Rank hold BLDR as of Q1 2026.

  • Millennium Management held 571,262 shares of Builders FirstSource worth $47M as of Q1 2026.
  • Millennium Management bought 314,899 Builders FirstSource shares in Q1 2026, an estimated $33.6M.
  • Builders FirstSource made up 0.02% of Millennium Management's portfolio in Q1 2026, its #862 holding.
  • Millennium Management first reported a position in Builders FirstSource in Q2 2013 and has held it in 46 quarters since.
  • Millennium Management's Builders FirstSource position peaked at $155M in Q2 2021.
  • 719 funds tracked by Wall St. Rank held Builders FirstSource as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.