Boston Partners’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 | $132M | Sell |
1,602,360
-188,494
| -11% | -$20.1M | 0.14% | 193 |
|
|
2025
Q4 | $184M | Sell |
1,790,854
-61,438
| -3% | -$6.9M | 0.19% | 171 |
|
|
2025
Q3 | $225M | Buy |
1,852,292
+781,506
| +73% | +$104M | 0.23% | 145 |
|
|
2025
Q2 | $125M | Sell |
1,070,786
-517,387
| -33% | -$59.7M | 0.14% | 202 |
|
|
2025
Q1 | $198M | Sell |
1,588,173
-399,274
| -20% | -$58.1M | 0.24% | 150 |
|
|
2024
Q4 | $286M | Sell |
1,987,447
-915,660
| -32% | -$162M | 0.35% | 105 |
|
|
2024
Q3 | $562M | Buy |
2,903,107
+462,722
| +19% | +$76.7M | 0.66% | 43 |
|
|
2024
Q2 | $339M | Buy |
2,440,385
+1,063,050
| +77% | +$180M | 0.42% | 80 |
|
|
2024
Q1 | $286M | Buy |
1,377,335
+10,551
| +0.8% | +$1.95M | 0.34% | 111 |
|
|
2023
Q4 | $227M | Buy |
1,366,784
+578,961
| +73% | +$76.9M | 0.3% | 121 |
|
|
2023
Q3 | $97.8M | Sell |
787,823
-123,091
| -14% | -$17M | 0.14% | 199 |
|
|
2023
Q2 | $123M | Sell |
910,914
-211,622
| -19% | -$23.5M | 0.17% | 182 |
|
|
2023
Q1 | $99.4M | Buy |
1,122,536
+5,703
| +0.5% | +$452K | 0.14% | 183 |
|
|
2022
Q4 | $72.4M | Buy |
1,116,833
+1,091,716
| +4,347% | +$68.2M | 0.1% | 196 |
|
|
2022
Q3 | $1.39M | Buy |
25,117
+471
| +2% | +$29.4K | ﹤0.01% | 475 |
|
|
2022
Q2 | $1.14M | Sell |
24,646
-103,826
| -81% | -$6.37M | ﹤0.01% | 491 |
|
|
2022
Q1 | $8.29M | Sell |
128,472
-45,693
| -26% | -$3.32M | 0.01% | 371 |
|
|
2021
Q4 | $14.9M | Sell |
174,165
-906
| -0.5% | -$61.4K | 0.02% | 339 |
|
|
2021
Q3 | $9.06M | Sell |
175,071
-133,012
| -43% | -$6.5M | 0.01% | 365 |
|
|
2021
Q2 | $13.1M | Sell |
308,083
-489,620
| -61% | -$22.7M | 0.02% | 347 |
|
|
2021
Q1 | $37.1M | Buy |
+797,703
| New | +$34M | 0.05% | 280 |
|
|
2018
Q3 | – | Sell |
-204,839
| Closed | -$3.75M | – | 712 |
|
|
2018
Q2 | $3.75M | Sell |
204,839
-37,029
| -15% | -$708K | ﹤0.01% | 530 |
|
|
2018
Q1 | $4.8M | Sell |
241,868
-15,103
| -6% | -$320K | 0.01% | 483 |
|
|
2017
Q4 | $5.6M | Hold |
256,971
| – | – | 0.01% | 474 |
|
|
2017
Q3 | $4.62M | Hold |
256,971
| – | – | 0.01% | 513 |
|
|
2017
Q2 | $3.94M | Hold |
256,971
| – | – | 0.01% | 534 |
|
|
2017
Q1 | $3.83M | Buy |
+256,971
| New | +$3.32M | ﹤0.01% | 543 |
|
|
2016
Q4 | – | Sell |
-2,172,662
| Closed | -$25M | – | 748 |
|
|
2016
Q3 | $25M | Buy |
2,172,662
+610,871
| +39% | +$7.69M | 0.04% | 288 |
|
|
2016
Q2 | $17.6M | Buy |
1,561,791
+406,792
| +35% | +$4.7M | 0.03% | 321 |
|
|
2016
Q1 | $13M | Sell |
1,154,999
-113,214
| -9% | -$981K | 0.02% | 351 |
|
|
2015
Q4 | $14.1M | Buy |
+1,268,213
| New | +$16.1M | 0.02% | 350 |
|
Other funds holding BLDR
VCM
VPM
Boston Partners's BLDR Position: Q1 2026 in Review
Boston Partners reduced its Builders FirstSource (BLDR) stake by 11% in Q1 2026, selling an estimated $20.1M and leaving 1,602,360 shares worth $132M. The position accounts for 0.14% of the portfolio, ranked #193.
Boston Partners first reported a position in BLDR in Q4 2015 and has held it in 31 quarters since. The position peaked at $562M in Q3 2024. 719 funds tracked by Wall St. Rank hold BLDR as of Q1 2026.
- Boston Partners held 1,602,360 shares of Builders FirstSource worth $132M as of Q1 2026.
- Boston Partners sold 188,494 Builders FirstSource shares in Q1 2026, an estimated $20.1M.
- Builders FirstSource made up 0.14% of Boston Partners's portfolio in Q1 2026, its #193 holding.
- Boston Partners first reported a position in Builders FirstSource in Q4 2015 and has held it in 31 quarters since.
- Boston Partners's Builders FirstSource position peaked at $562M in Q3 2024.
- 719 funds tracked by Wall St. Rank held Builders FirstSource as of Q1 2026.
Based on Boston Partners's 13F filing for Q1 2026, filed 11 May 2026.