Simplex Trading’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 | $2.21M | Sell |
26,900
-13,500
| -33% | -$1.44M | ﹤0.01% | 1743 |
|
|
2025
Q4 | $4.16M | Sell |
40,400
-16,300
| -29% | -$1.83M | ﹤0.01% | 1429 |
|
|
2025
Q3 | $6.87M | Sell |
56,700
-33,300
| -37% | -$4.42M | ﹤0.01% | 1202 |
|
|
2025
Q2 | $10.5M | Buy |
90,000
+52,800
| +142% | +$6.09M | 0.01% | 861 |
|
|
2025
Q1 | $4.65M | Sell |
37,200
-33,800
| -48% | -$4.92M | ﹤0.01% | 1359 |
|
|
2024
Q4 | $10.1M | Sell |
71,000
-15,700
| -18% | -$2.78M | 0.01% | 1025 |
|
|
2024
Q3 | $16.8M | Sell |
86,700
-8,700
| -9% | -$1.44M | 0.01% | 737 |
|
|
2024
Q2 | $13.2M | Sell |
95,400
-10,000
| -9% | -$1.7M | 0.01% | 840 |
|
|
2024
Q1 | $22M | Sell |
105,400
-79,800
| -43% | -$14.7M | 0.01% | 652 |
|
|
2023
Q4 | $30.9M | Sell |
185,200
-4,800
| -3% | -$638K | 0.02% | 516 |
|
|
2023
Q3 | $23.7M | Buy |
190,000
+13,100
| +7% | +$1.81M | 0.02% | 522 |
|
|
2023
Q2 | $24.1M | Sell |
176,900
-95,100
| -35% | -$10.6M | 0.02% | 506 |
|
|
2023
Q1 | $24.1M | Buy |
272,000
+161,400
| +146% | +$12.8M | 0.02% | 515 |
|
|
2022
Q4 | $7.17M | Sell |
110,600
-13,700
| -11% | -$856K | 0.01% | 1019 |
|
|
2022
Q3 | $7.32M | Sell |
124,300
-29,200
| -19% | -$1.83M | 0.01% | 947 |
|
|
2022
Q2 | $8.24M | Buy |
153,500
+19,200
| +14% | +$1.18M | 0.01% | 889 |
|
|
2022
Q1 | $8.67M | Buy |
134,300
+30,500
| +29% | +$2.21M | 0.01% | 905 |
|
|
2021
Q4 | $8.9M | Sell |
103,800
-36,900
| -26% | -$2.5M | 0.01% | 845 |
|
|
2021
Q3 | $6.14M | Buy |
140,700
+400
| +0.3% | +$19.5K | 0.01% | 1034 |
|
|
2021
Q2 | $5.99M | Buy |
140,300
+140,220
| +175,275% | +$6.5M | 0.01% | 1035 |
|
|
2021
Q1 | $370K | Sell |
80
-59
| -42% | -$2.51K | ﹤0.01% | 3836 |
|
|
2020
Q4 | $567K | Sell |
139
-19
| -12% | -$673 | ﹤0.01% | 3257 |
|
|
2020
Q3 | $515K | Buy |
158
+136
| +618% | +$3.69K | ﹤0.01% | 2967 |
|
|
2020
Q2 | $45K | Sell |
22
-54
| -71% | -$976 | ﹤0.01% | 5580 |
|
|
2020
Q1 | $92K | Sell |
76
-104
| -58% | -$2.35K | ﹤0.01% | 4459 |
|
|
2019
Q4 | $457K | Buy |
180
+127
| +240% | +$3.04K | ﹤0.01% | 2836 |
|
|
2019
Q3 | $109K | Buy |
53
+18
| +51% | +$336 | ﹤0.01% | 4231 |
|
|
2019
Q2 | $59K | Buy |
35
+27
| +338% | +$404 | ﹤0.01% | 4712 |
|
|
2019
Q1 | $10K | Sell |
8
-7
| -47% | -$92 | ﹤0.01% | 6140 |
|
|
2018
Q4 | $16K | Sell |
15
-41
| -73% | -$515 | ﹤0.01% | 5499 |
|
|
2018
Q3 | $82K | Buy |
56
+8
| +17% | +$136 | ﹤0.01% | 4639 |
|
|
2018
Q2 | $87K | Sell |
48
-14
| -23% | -$268 | ﹤0.01% | 4443 |
|
|
2018
Q1 | $18K | Buy |
+62
| New | +$1.31K | ﹤0.01% | 3452 |
|
|
2017
Q2 | – | Sell |
-79
| Closed | -$2K | – | 6093 |
|
|
2017
Q1 | $2K | Sell |
79
-213
| -73% | -$2.75K | ﹤0.01% | 5199 |
|
|
2016
Q4 | $63K | Sell |
292
-6
| -2% | -$65 | ﹤0.01% | 1929 |
|
|
2016
Q3 | $67K | Buy |
+298
| New | +$3.75K | ﹤0.01% | 1851 |
|
|
2016
Q2 | – | Sell |
-66
| Closed | -$10K | – | 5813 |
|
|
2016
Q1 | $10K | Buy |
66
+56
| +560% | +$485 | ﹤0.01% | 3438 |
|
|
2015
Q4 | $4K | Sell |
10
-41
| -80% | -$521 | ﹤0.01% | 3993 |
|
|
2015
Q3 | $12K | Buy |
+51
| New | +$724 | ﹤0.01% | 3254 |
|
Other funds holding BLDR
VCM
VPM
Simplex Trading's BLDR Position: Q1 2026 in Review
Simplex Trading increased its Builders FirstSource (BLDR) stake by 25% in Q1 2026, buying an estimated $418K and bringing the position to 19,773 shares worth $1.63M. The position accounts for ﹤0.01% of the portfolio, ranked #2014.
Simplex Trading first reported a position in BLDR in Q3 2015 and has held it in 30 quarters since. The position peaked at $2.9M in Q3 2025. 719 funds tracked by Wall St. Rank hold BLDR as of Q1 2026.
- Simplex Trading held 19,773 shares of Builders FirstSource worth $1.63M as of Q1 2026.
- Simplex Trading bought 3,913 Builders FirstSource shares in Q1 2026, an estimated $418K.
- Builders FirstSource made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #2014 holding.
- Simplex Trading first reported a position in Builders FirstSource in Q3 2015 and has held it in 30 quarters since.
- Simplex Trading's Builders FirstSource position peaked at $2.9M in Q3 2025.
- 719 funds tracked by Wall St. Rank held Builders FirstSource as of Q1 2026.
Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.