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 | $1.69M | Sell |
20,500
-11,700
| -36% | -$1.25M | ﹤0.01% | 1981 |
|
|
2025
Q4 | $3.31M | Sell |
32,200
-4,300
| -12% | -$483K | ﹤0.01% | 1585 |
|
|
2025
Q3 | $4.42M | Sell |
36,500
-6,200
| -15% | -$823K | ﹤0.01% | 1588 |
|
|
2025
Q2 | $4.98M | Buy |
42,700
+21,300
| +100% | +$2.46M | ﹤0.01% | 1343 |
|
|
2025
Q1 | $2.67M | Sell |
21,400
-47,900
| -69% | -$6.97M | ﹤0.01% | 1772 |
|
|
2024
Q4 | $9.9M | Sell |
69,300
-1,400
| -2% | -$248K | 0.01% | 1040 |
|
|
2024
Q3 | $13.7M | Sell |
70,700
-36,500
| -34% | -$6.05M | 0.01% | 842 |
|
|
2024
Q2 | $14.8M | Buy |
107,200
+27,600
| +35% | +$4.69M | 0.01% | 770 |
|
|
2024
Q1 | $16.6M | Sell |
79,600
-69,900
| -47% | -$12.9M | 0.01% | 810 |
|
|
2023
Q4 | $25M | Sell |
149,500
-51,800
| -26% | -$6.88M | 0.02% | 624 |
|
|
2023
Q3 | $25.1M | Buy |
201,300
+37,000
| +23% | +$5.1M | 0.02% | 488 |
|
|
2023
Q2 | $22.3M | Buy |
164,300
+100,400
| +157% | +$11.2M | 0.02% | 535 |
|
|
2023
Q1 | $5.67M | Buy |
63,900
+16,500
| +35% | +$1.31M | 0.01% | 1222 |
|
|
2022
Q4 | $3.08M | Buy |
47,400
+24,500
| +107% | +$1.53M | ﹤0.01% | 1546 |
|
|
2022
Q3 | $1.35M | Sell |
22,900
-5,400
| -19% | -$338K | ﹤0.01% | 2329 |
|
|
2022
Q2 | $1.52M | Sell |
28,300
-13,100
| -32% | -$803K | ﹤0.01% | 2157 |
|
|
2022
Q1 | $2.67M | Sell |
41,400
-21,000
| -34% | -$1.52M | ﹤0.01% | 1802 |
|
|
2021
Q4 | $5.35M | Sell |
62,400
-58,200
| -48% | -$3.94M | 0.01% | 1162 |
|
|
2021
Q3 | $5.27M | Sell |
120,600
-2,400
| -2% | -$117K | ﹤0.01% | 1159 |
|
|
2021
Q2 | $5.25M | Buy |
123,000
+122,522
| +25,632% | +$5.68M | 0.01% | 1145 |
|
|
2021
Q1 | $2.22M | Buy |
478
+232
| +94% | +$9.88K | ﹤0.01% | 1500 |
|
|
2020
Q4 | $1M | Sell |
246
-85
| -26% | -$3.01K | ﹤0.01% | 2562 |
|
|
2020
Q3 | $1.08M | Buy |
331
+176
| +114% | +$4.78K | ﹤0.01% | 2152 |
|
|
2020
Q2 | $320K | Sell |
155
-53
| -25% | -$957 | ﹤0.01% | 3448 |
|
|
2020
Q1 | $254K | Sell |
208
-50
| -19% | -$1.13K | ﹤0.01% | 3313 |
|
|
2019
Q4 | $655K | Buy |
258
+169
| +190% | +$4.04K | ﹤0.01% | 2477 |
|
|
2019
Q3 | $183K | Sell |
89
-104
| -54% | -$1.94K | ﹤0.01% | 3649 |
|
|
2019
Q2 | $325K | Buy |
193
+160
| +485% | +$2.39K | ﹤0.01% | 2988 |
|
|
2019
Q1 | $44K | Sell |
33
-42
| -56% | -$552 | ﹤0.01% | 5106 |
|
|
2018
Q4 | $81K | Buy |
75
+49
| +188% | +$616 | ﹤0.01% | 4046 |
|
|
2018
Q3 | $38K | Sell |
26
-38
| -59% | -$644 | ﹤0.01% | 5419 |
|
|
2018
Q2 | $117K | Sell |
64
-9
| -12% | -$172 | ﹤0.01% | 4101 |
|
|
2018
Q1 | $18K | Sell |
73
-28
| -28% | -$593 | ﹤0.01% | 3451 |
|
|
2017
Q4 | $30K | Buy |
101
+56
| +124% | +$1.06K | ﹤0.01% | 2917 |
|
|
2017
Q3 | $8K | Sell |
45
-156
| -78% | -$2.52K | ﹤0.01% | 3950 |
|
|
2017
Q2 | $16K | Sell |
201
-374
| -65% | -$5.59K | ﹤0.01% | 3509 |
|
|
2017
Q1 | $163K | Buy |
575
+127
| +28% | +$1.64K | 0.01% | 1367 |
|
|
2016
Q4 | $10K | Buy |
448
+20
| +5% | +$217 | ﹤0.01% | 3716 |
|
|
2016
Q3 | $26K | Buy |
428
+121
| +39% | +$1.52K | ﹤0.01% | 2696 |
|
|
2016
Q2 | $12K | Buy |
307
+184
| +150% | +$2.12K | ﹤0.01% | 3398 |
|
|
2016
Q1 | $27K | Buy |
+123
| New | +$1.06K | ﹤0.01% | 2503 |
|
|
2015
Q4 | – | Sell |
-89
| Closed | -$2K | – | 5399 |
|
|
2015
Q3 | $2K | Buy |
89
+25
| +39% | +$355 | ﹤0.01% | 4584 |
|
|
2015
Q2 | $50K | Buy |
+64
| New | +$781 | ﹤0.01% | 1698 |
|
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.