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
Q1 | $2.84M | Sell |
34,500
-9,000
| -21% | -$961K | ﹤0.01% | 1473 |
|
|
2025
Q4 | $4.48M | Buy |
43,500
+16,600
| +62% | +$1.87M | 0.01% | 1356 |
|
|
2025
Q3 | $3.26M | Buy |
26,900
+5,300
| +25% | +$703K | 0.01% | 1496 |
|
|
2025
Q2 | $2.52M | Buy |
21,600
+6,000
| +38% | +$692K | ﹤0.01% | 1595 |
|
|
2025
Q1 | $1.95M | Sell |
15,600
-8,300
| -35% | -$1.21M | ﹤0.01% | 1647 |
|
|
2024
Q4 | $3.42M | Buy |
23,900
+15,100
| +172% | +$2.67M | 0.01% | 1386 |
|
|
2024
Q3 | $1.71M | Buy |
8,800
+4,200
| +91% | +$696K | ﹤0.01% | 1776 |
|
|
2024
Q2 | $637K | Sell |
4,600
-1,900
| -29% | -$323K | ﹤0.01% | 2362 |
|
|
2024
Q1 | $1.36M | Sell |
6,500
-9,900
| -60% | -$1.83M | ﹤0.01% | 1999 |
|
|
2023
Q4 | $2.74M | Buy |
16,400
+7,000
| +74% | +$930K | 0.01% | 1686 |
|
|
2023
Q3 | $1.17M | Sell |
9,400
-40,600
| -81% | -$5.6M | ﹤0.01% | 2244 |
|
|
2023
Q2 | $6.8M | Sell |
50,000
-19,000
| -28% | -$2.11M | 0.02% | 766 |
|
|
2023
Q1 | $6.13M | Buy |
69,000
+22,800
| +49% | +$1.81M | 0.01% | 901 |
|
|
2022
Q4 | $3M | Buy |
46,200
+39,100
| +551% | +$2.44M | 0.01% | 1407 |
|
|
2022
Q3 | $418K | Sell |
7,100
-8,100
| -53% | -$506K | ﹤0.01% | 3057 |
|
|
2022
Q2 | $816K | Sell |
15,200
-13,000
| -46% | -$797K | ﹤0.01% | 2427 |
|
|
2022
Q1 | $1.82M | Buy |
28,200
+11,700
| +71% | +$849K | 0.01% | 1732 |
|
|
2021
Q4 | $1.41M | Sell |
16,500
-6,600
| -29% | -$447K | ﹤0.01% | 1929 |
|
|
2021
Q3 | $1.2M | Buy |
23,100
+23,000
| +23,000% | +$1.12M | ﹤0.01% | 2028 |
|
|
2021
Q2 | $4K | Sell |
100
-10,900
| -99% | -$505K | ﹤0.01% | 5021 |
|
|
2021
Q1 | $510K | Sell |
11,000
-26,400
| -71% | -$1.12M | ﹤0.01% | 2634 |
|
|
2020
Q4 | $1.53M | Sell |
37,400
-54,000
| -59% | -$1.91M | 0.01% | 1622 |
|
|
2020
Q3 | $2.98M | Buy |
91,400
+72,500
| +384% | +$1.97M | 0.02% | 873 |
|
|
2020
Q2 | $391K | Sell |
18,900
-56,300
| -75% | -$1.02M | ﹤0.01% | 2484 |
|
|
2020
Q1 | $920K | Buy |
75,200
+54,800
| +269% | +$1.24M | 0.01% | 1364 |
|
|
2019
Q4 | $518K | Buy |
20,400
+10,500
| +106% | +$251K | ﹤0.01% | 2388 |
|
|
2019
Q3 | $204K | Buy |
9,900
+8,600
| +662% | +$160K | ﹤0.01% | 2901 |
|
|
2019
Q2 | $22K | Buy |
1,300
+300
| +30% | +$4.49K | ﹤0.01% | 3725 |
|
|
2019
Q1 | $13K | Sell |
1,000
-59,800
| -98% | -$786K | ﹤0.01% | 3957 |
|
|
2018
Q4 | $663K | Buy |
60,800
+1,400
| +2% | +$17.6K | ﹤0.01% | 2190 |
|
|
2018
Q3 | $872K | Buy |
59,400
+52,300
| +737% | +$886K | ﹤0.01% | 2234 |
|
|
2018
Q2 | $130K | Buy |
7,100
+5,100
| +255% | +$97.5K | ﹤0.01% | 3915 |
|
|
2018
Q1 | $40K | Sell |
2,000
-18,100
| -90% | -$383K | ﹤0.01% | 4200 |
|
|
2017
Q4 | $438 | Sell |
20,100
-11,700
| -37% | -$222K | ﹤0.01% | 2725 |
|
|
2017
Q3 | $572 | Buy |
31,800
+21,900
| +221% | +$353K | ﹤0.01% | 2343 |
|
|
2017
Q2 | $152 | Sell |
9,900
-127,600
| -93% | -$1.91M | ﹤0.01% | 3300 |
|
|
2017
Q1 | $2.05K | Buy |
+137,500
| New | +$1.78M | 0.01% | 1077 |
|
Other funds holding BLDR
VCM
VPM
Walleye Trading's BLDR Position: Q1 2026 in Review
Walleye Trading reduced its Builders FirstSource (BLDR) stake by 33% in Q1 2026, selling an estimated $396K and leaving 7,537 shares worth $621K. The position accounts for ﹤0.01% of the portfolio, ranked #2451.
Walleye Trading first reported a position in BLDR in Q3 2015 and has held it in 32 quarters since. The position peaked at $20M in Q4 2023. 719 funds tracked by Wall St. Rank hold BLDR as of Q1 2026.
- Walleye Trading held 7,537 shares of Builders FirstSource worth $621K as of Q1 2026.
- Walleye Trading sold 3,706 Builders FirstSource shares in Q1 2026, an estimated $396K.
- Builders FirstSource made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #2451 holding.
- Walleye Trading first reported a position in Builders FirstSource in Q3 2015 and has held it in 32 quarters since.
- Walleye Trading's Builders FirstSource position peaked at $20M in Q4 2023.
- 719 funds tracked by Wall St. Rank held Builders FirstSource as of Q1 2026.
Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.