Builders FirstSource, Inc.
BLDR- Exchange
- NYSE
- Industry
- Retail-Lumber & Other Building Materials Dealers
- SEC CIK
- 0001316835
No open-market purchases or sales by Builders FirstSource, Inc. insiders were filed in the last 90 days; 671 institutions reported holding it in 13F filings for Q2 2026, worth $9.63B in total; 3 superinvestors hold it, including D1 Capital Partners and Semper Augustus.
13F holders, Q4 2023
Institutional positions in Builders FirstSource, Inc. as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 745
- +79 vs. Q3 2023
- Shares held
- 115.5M
- −555.0K (−0.5%) vs. Q3 2023
- Total value
- $19.3B
- +$4.76B (+32.8%) vs. Q3 2023
- New holders
- 141
- 257 more added
- Sold out
- 62
- 275 more reduced
9 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BLDR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 671 | $9.63B |
| Q1 2026 | 726 | $8.74B |
| Q4 2025 | 768 | $10.8B |
| Q3 2025 | 778 | $13.6B |
| Q2 2025 | 776 | $12.7B |
| Q1 2025 | 786 | $13.7B |
| Q4 2024 | 819 | $15.6B |
| Q3 2024 | 832 | $21.4B |
| Q2 2024 | 776 | $15.1B |
| Q1 2024 | 859 | $23.4B |
| Q4 2023 | 745 | $19.3B |
| Q3 2023 | 675 | $14.6B |
| Q2 2023 | 662 | $16.1B |
| Q1 2023 | 544 | $11.5B |
| Q4 2022 | 518 | $9.03B |
| Q3 2022 | 490 | $8.81B |
| Q2 2022 | 491 | $8.58B |
| Q1 2022 | 509 | $11.1B |
| Q4 2021 | 494 | $15.0B |
| Q3 2021 | 404 | $10.5B |
| Q2 2021 | 403 | $8.75B |
| Q1 2021 | 380 | $9.58B |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Builders FirstSource, Inc.; share changes are against Q3 2023.