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 | $1.63M | Buy |
19,773
+3,913
| +25% | +$418K | ﹤0.01% | 2014 |
|
|
2025
Q4 | $1.63M | Sell |
15,860
-8,080
| -34% | -$908K | ﹤0.01% | 2148 |
|
|
2025
Q3 | $2.9M | Buy |
+23,940
| New | +$3.18M | ﹤0.01% | 1957 |
|
|
2025
Q2 | – | Sell |
-2,341
| Closed | -$270K | – | 8647 |
|
|
2025
Q1 | $292K | Buy |
+2,341
| New | +$341K | ﹤0.01% | 3940 |
|
|
2024
Q4 | – | Sell |
-3,257
| Closed | -$576K | – | 8525 |
|
|
2024
Q3 | $631K | Buy |
3,257
+1,792
| +122% | +$297K | ﹤0.01% | 3343 |
|
|
2024
Q2 | $202K | Buy |
1,465
+667
| +84% | +$113K | ﹤0.01% | 4640 |
|
|
2024
Q1 | $166K | Buy |
+798
| New | +$147K | ﹤0.01% | 5054 |
|
|
2022
Q4 | – | Sell |
-223
| Closed | -$13.9K | – | 9225 |
|
|
2022
Q3 | $13K | Sell |
223
-5,931
| -96% | -$371K | ﹤0.01% | 7963 |
|
|
2022
Q2 | $330K | Sell |
6,154
-2,556
| -29% | -$157K | ﹤0.01% | 3976 |
|
|
2022
Q1 | $562K | Buy |
8,710
+6,903
| +382% | +$501K | ﹤0.01% | 3693 |
|
|
2021
Q4 | $154K | Sell |
1,807
-17,746
| -91% | -$1.2M | ﹤0.01% | 5561 |
|
|
2021
Q3 | $854K | Buy |
19,553
+171
| +0.9% | +$8.35K | ﹤0.01% | 3302 |
|
|
2021
Q2 | $826K | Sell |
19,382
-38,977
| -67% | -$1.81M | ﹤0.01% | 3409 |
|
|
2021
Q1 | $2.71M | Buy |
58,359
+54,998
| +1,636% | +$2.34M | ﹤0.01% | 1303 |
|
|
2020
Q4 | $137K | Sell |
3,361
-9,684
| -74% | -$343K | ﹤0.01% | 5090 |
|
|
2020
Q3 | $425K | Buy |
13,045
+511
| +4% | +$13.9K | ﹤0.01% | 3197 |
|
|
2020
Q2 | $259K | Buy |
12,534
+11,335
| +945% | +$205K | ﹤0.01% | 3695 |
|
|
2020
Q1 | $14K | Sell |
1,199
-17,441
| -94% | -$394K | ﹤0.01% | 6217 |
|
|
2019
Q4 | $473K | Sell |
18,640
-16,445
| -47% | -$393K | ﹤0.01% | 2802 |
|
|
2019
Q3 | $721K | Buy |
35,085
+11,587
| +49% | +$216K | ﹤0.01% | 2263 |
|
|
2019
Q2 | $396K | Sell |
23,498
-4,000
| -15% | -$59.8K | ﹤0.01% | 2805 |
|
|
2019
Q1 | $366K | Buy |
27,498
+17,263
| +169% | +$227K | ﹤0.01% | 2991 |
|
|
2018
Q4 | $111K | Buy |
10,235
+5,395
| +111% | +$67.8K | ﹤0.01% | 3764 |
|
|
2018
Q3 | $71K | Buy |
4,840
+548
| +13% | +$9.28K | ﹤0.01% | 4793 |
|
|
2018
Q2 | $78K | Buy |
4,292
+1,767
| +70% | +$33.8K | ﹤0.01% | 4565 |
|
|
2018
Q1 | $50K | Buy |
+2,525
| New | +$53.5K | ﹤0.01% | 2433 |
|
|
2017
Q1 | – | Sell |
-20,547
| Closed | -$266K | – | 6143 |
|
|
2016
Q4 | $225K | Buy |
20,547
+10,234
| +99% | +$111K | 0.01% | 967 |
|
|
2016
Q3 | $118K | Buy |
+10,313
| New | +$130K | 0.01% | 1408 |
|
|
2016
Q2 | – | Sell |
-7,496
| Closed | -$86.5K | – | 5812 |
|
|
2016
Q1 | $84K | Buy |
+7,496
| New | +$64.9K | 0.01% | 1498 |
|
|
2015
Q4 | – | Sell |
-1,580
| Closed | -$20.1K | – | 5400 |
|
|
2015
Q3 | $20K | Buy |
+1,580
| New | +$22.4K | ﹤0.01% | 2781 |
|
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.