BlackRock, Inc. 13D and 13G filings for Builders FirstSource, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-04-17 09:35 am Sale | 2025-03-31 | 13G | Builders FirstSource, Inc. BLDR | BlackRock Inc. BLK | 8,472,425 7.500% | -1,509,899![]() (-15.13%) | Filing |
| 2024-11-08 5:31 pm Unchanged | 2024-09-30 | 13G | Builders FirstSource, Inc. BLDR | BlackRock Inc. BLK | 9,982,324 8.600% | 0 (Unchanged) | Filing |
| 2024-10-22 3:24 pm Sale | 2024-09-30 | 13G | Builders FirstSource, Inc. BLDR | BlackRock Inc. BLK | 9,982,324 8.600% | -2,761,709![]() (-21.67%) | Filing |
| 2024-02-07 5:09 pm Purchase | 2024-01-31 | 13G | Builders FirstSource, Inc. BLDR | BlackRock Inc. BLK | 12,744,033 10.300% | 903,852![]() (+7.63%) | Filing |
| 2024-01-24 2:27 pm Sale | 2023-12-31 | 13G | Builders FirstSource, Inc. BLDR | BlackRock Inc. BLK | 11,840,181 9.600% | -1,725,307![]() (-12.72%) | Filing |
| 2023-05-05 11:52 am Sale | 2023-04-30 | 13G | Builders FirstSource, Inc. BLDR | BlackRock Inc. BLK | 13,565,488 10.500% | -569,315![]() (-4.03%) | Filing |
| 2023-01-24 1:56 pm Sale | 2022-12-31 | 13G | Builders FirstSource, Inc. BLDR | BlackRock Inc. BLK | 14,134,803 9.600% | -1,805,884![]() (-11.33%) | Filing |
| 2022-09-08 1:43 pm Sale | 2022-08-31 | 13G | Builders FirstSource, Inc. BLDR | BlackRock Inc. BLK | 15,940,687 10.200% | -2,768,421![]() (-14.80%) | Filing |
| 2022-02-02 7:11 pm Sale | 2021-12-31 | 13G | Builders FirstSource, Inc. BLDR | BlackRock Inc. BLK | 18,709,108 9.800% | -1,492,866![]() (-7.39%) | Filing |
| 2021-12-10 10:05 am Sale | 2021-11-30 | 13G | Builders FirstSource, Inc. BLDR | BlackRock Inc. BLK | 20,201,974 10.500% | -27,995![]() (-0.14%) | Filing |
| 2021-07-12 08:29 am Purchase | 2021-06-30 | 13G | Builders FirstSource, Inc. BLDR | BlackRock Inc. BLK | 20,229,969 9.800% | 2,186,470![]() (+12.12%) | Filing |

