Stanley Druckenmiller's BLDR Position Overview
Stanley Druckenmiller (via Duquesne Family Office LLC) currently holds 85,065 shares of Builders FirstSource, Inc. (BLDR) worth $0, representing 0.00% of the portfolio. First purchased in 2021-Q1, this medium-term investment has been held for 19 quarters.
Based on 13F filings, Stanley Druckenmiller has maintained a strategic position in BLDR, demonstrating sustained confidence in this investment. Largest addition occurred in Q3 2023, adding 150,455 shares. Largest reduction occurred in Q2 2021, reducing 748,723 shares.
Analysis based on 13F filings available since 2013 Q2
Stanley Druckenmiller's Builders FirstSource (BLDR) Holding Value Over Time
Track share changes against reported price movement
Quarterly Builders FirstSource (BLDR) Trades by Stanley Druckenmiller
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2021 | +1.32 M | New Buy | 1.32 M | $46.37 |
| Q2 2021 | -748,723 | Reduce 56.91% | 566,856 | $42.66 |
| Q3 2021 | -566,856 | Sold Out | 566,856 | $42.66 |
| Q3 2022 | +169,620 | New Buy | 169,620 | $58.92 |
| Q4 2022 | -169,620 | Sold Out | 169,620 | $58.92 |
| Q2 2023 | +310,300 | New Buy | 310,300 | $136.00 |
| Q3 2023 | +150,455 | Add 48.49% | 460,755 | $0.12 |
| Q4 2023 | -460,755 | Sold Out | 460,755 | $0.12 |
| Q2 2024 | +29,385 | New Buy | 29,385 | $138.40 |
| Q3 2024 | -29,385 | Sold Out | 29,385 | $138.40 |
| Q2 2025 | +85,065 | New Buy | 85,065 | $116.69 |
| Q3 2025 | -85,065 | Sold Out | 85,065 | $116.69 |
Stanley Druckenmiller's Builders FirstSource Investment FAQs
Stanley Druckenmiller first purchased Builders FirstSource, Inc. (BLDR) in Q1 2021, acquiring 1,315,579 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Stanley Druckenmiller has held Builders FirstSource, Inc. (BLDR) for 19 quarters since Q1 2021.
Stanley Druckenmiller's largest addition to Builders FirstSource, Inc. (BLDR) was in Q1 2021, adding 1,315,579 shares worth $61 M.
According to the latest 13F filing for Q3 2025, Stanley Druckenmiller's firm, Duquesne Family Office LLC, owns 85,065 shares of Builders FirstSource, Inc. (BLDR), valued at approximately $0.
As of the Q3 2025 filing, Builders FirstSource, Inc. (BLDR) represents approximately 0.00% of Stanley Druckenmiller's publicly disclosed stock portfolio, making it one of their key holdings.
Stanley Druckenmiller's peak holding in Builders FirstSource, Inc. (BLDR) was 1,315,579 shares, as reported at the end of Q1 2021.