Walleye 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
Q2 | $1.11M | Buy |
12,411
+4,874
| +65% | +$389K | ﹤0.01% | 2225 |
|
|
2026
Q1 | $621K | Sell |
7,537
-3,706
| -33% | -$396K | ﹤0.01% | 2451 |
|
|
2025
Q4 | $1.16M | Sell |
11,243
-19,645
| -64% | -$2.21M | ﹤0.01% | 2270 |
|
|
2025
Q3 | $3.75M | Buy |
30,888
+25,774
| +504% | +$3.42M | 0.01% | 1407 |
|
|
2025
Q2 | $597K | Sell |
5,114
-1,681
| -25% | -$194K | ﹤0.01% | 2529 |
|
|
2025
Q1 | $849K | Sell |
6,795
-33,399
| -83% | -$4.86M | ﹤0.01% | 2163 |
|
|
2024
Q4 | $5.74M | Sell |
40,194
-11,850
| -23% | -$2.1M | 0.01% | 1065 |
|
|
2024
Q3 | $10.1M | Sell |
52,044
-1,560
| -3% | -$259K | 0.02% | 761 |
|
|
2024
Q2 | $7.42M | Sell |
53,604
-28,044
| -34% | -$4.76M | 0.02% | 836 |
|
|
2024
Q1 | $17M | Sell |
81,648
-38,001
| -32% | -$7.02M | 0.04% | 477 |
|
|
2023
Q4 | $20M | Buy |
119,649
+88,557
| +285% | +$11.8M | 0.04% | 443 |
|
|
2023
Q3 | $3.87M | Buy |
31,092
+1,032
| +3% | +$142K | 0.01% | 1291 |
|
|
2023
Q2 | $4.09M | Buy |
+30,060
| New | +$3.34M | 0.01% | 1102 |
|
|
2022
Q3 | – | Sell |
-12,828
| Closed | -$802K | – | 5052 |
|
|
2022
Q2 | $689K | Sell |
12,828
-17,551
| -58% | -$1.08M | ﹤0.01% | 2602 |
|
|
2022
Q1 | $1.96M | Sell |
30,379
-6,040
| -17% | -$438K | 0.01% | 1676 |
|
|
2021
Q4 | $3.12M | Buy |
36,419
+19,824
| +119% | +$1.34M | 0.01% | 1304 |
|
|
2021
Q3 | $859K | Sell |
16,595
-44,511
| -73% | -$2.17M | ﹤0.01% | 2376 |
|
|
2021
Q2 | $2.61M | Buy |
61,106
+53,227
| +676% | +$2.47M | 0.01% | 1280 |
|
|
2021
Q1 | $365K | Buy |
+7,879
| New | +$335K | ﹤0.01% | 3018 |
|
|
2020
Q3 | – | Sell |
-2,279
| Closed | -$61.9K | – | 4114 |
|
|
2020
Q2 | $47K | Sell |
2,279
-27,379
| -92% | -$495K | ﹤0.01% | 3807 |
|
|
2020
Q1 | $363K | Buy |
+29,658
| New | +$670K | ﹤0.01% | 2133 |
|
|
2019
Q4 | – | Sell |
-1,939
| Closed | -$46.3K | – | 4247 |
|
|
2019
Q3 | $40K | Sell |
1,939
-4,577
| -70% | -$85.3K | ﹤0.01% | 3628 |
|
|
2019
Q2 | $110K | Sell |
6,516
-15,121
| -70% | -$226K | ﹤0.01% | 3266 |
|
|
2019
Q1 | $289K | Sell |
21,637
-47,733
| -69% | -$627K | ﹤0.01% | 2728 |
|
|
2018
Q4 | $757K | Buy |
69,370
+16,907
| +32% | +$212K | 0.01% | 2028 |
|
|
2018
Q3 | $770K | Sell |
52,463
-13,336
| -20% | -$226K | ﹤0.01% | 2395 |
|
|
2018
Q2 | $1.2M | Buy |
65,799
+64,449
| +4,774% | +$1.23M | 0.01% | 1899 |
|
|
2018
Q1 | $27K | Sell |
1,350
-2,385
| -64% | -$50.5K | ﹤0.01% | 4262 |
|
|
2017
Q4 | $81K | Buy |
+3,735
| New | +$70.8K | ﹤0.01% | 3897 |
|
|
2017
Q3 | – | Sell |
-1,726
| Closed | -$27.8K | – | 4110 |
|
|
2017
Q2 | $26K | Buy |
+1,726
| New | +$25.8K | ﹤0.01% | 4067 |
|
|
2016
Q3 | – | Sell |
-400
| Closed | -$5K | – | 4849 |
|
|
2016
Q2 | $5K | Buy |
+400
| New | +$4.62K | ﹤0.01% | 4987 |
|
|
2016
Q1 | – | Sell |
-19,300
| Closed | -$214K | – | 5323 |
|
|
2015
Q4 | $214K | Sell |
19,300
-4,600
| -19% | -$58.5K | ﹤0.01% | 2646 |
|
|
2015
Q3 | $303K | Buy |
+23,900
| New | +$339K | ﹤0.01% | 1965 |
|
Other funds holding BLDR
Walleye Trading's BLDR Position: Q2 2026 in Review
Walleye Trading increased its Builders FirstSource (BLDR) stake by 65% in Q2 2026, buying an estimated $389K and bringing the position to 12,411 shares worth $1.11M. The position accounts for ﹤0.01% of the portfolio, ranked #2225.
Walleye Trading first reported a position in BLDR in Q3 2015 and has held it in 33 quarters since. The position peaked at $20M in Q4 2023. 670 funds tracked by Wall St. Rank hold BLDR as of Q2 2026.
- Walleye Trading held 12,411 shares of Builders FirstSource worth $1.11M as of Q2 2026.
- Walleye Trading bought 4,874 Builders FirstSource shares in Q2 2026, an estimated $389K.
- Builders FirstSource made up ﹤0.01% of Walleye Trading's portfolio in Q2 2026, its #2225 holding.
- Walleye Trading first reported a position in Builders FirstSource in Q3 2015 and has held it in 33 quarters since.
- Walleye Trading's Builders FirstSource position peaked at $20M in Q4 2023.
- 670 funds tracked by Wall St. Rank held Builders FirstSource as of Q2 2026.
Based on Walleye Trading's 13F filing for Q2 2026, filed 3 Aug 2026.