Live feed
Filing
SCHEDULE 13G
SCHEDULE 13G0002100121-26-001047·VANGUARD PORTFOLIO MANAGEMENT LLC
Schedule 13G ownership disclosure
BUILDERS FIRSTSOURCE INC COM
Common Stock · CUSIP: 12008R107
Event date: 2026-09-30
- Filing-level shares
- 5,417,946
- Percent of class
- 5.03%
- Vanguard Portfolio Management
Shares: 5,417,946 · Class: 5.03%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0002100121-26-001047
- Form type
- SCHEDULE 13G
- Filer
- VANGUARD PORTFOLIO MANAGEMENT LLC
- CIK
- CIK 2100121
- Filed
- Oct 30, 2026
- Reporting period
- Sep 30, 2026
- Description
- Schedule 13G beneficial ownership