BLDR
Builders FirstSource, Inc.Company with tickers: BLDR
Market Cap
$9.54B
Shares Outstanding
107,559,876
CIK
1316835
CUSIP
12008R107
13F Activity (30d)
21 filings
8 filers
Website
Visit website
Investor Relations
Investor relations
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
72/100
Short interest 7.4% of shares — P82
Days to cover 3.6 — P60
Short-volume trend +7.2% — P74
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-15). Equal-weight mean of the available factors.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-06-15 | 7,936,719 | 8,797,863 | -861,144 | 3.57 |
| 2026-05-29 | 8,797,863 | 8,682,445 | +115,418 | 2.59 |
| 2026-05-15 | 8,682,445 | 8,059,726 | +622,719 | 2.85 |
| 2026-04-30 | 8,059,726 | 7,230,744 | +828,982 | 3.14 |
| 2026-04-15 | 7,230,744 | 7,084,828 | +145,916 | 3.75 |
| 2026-03-31 | 7,084,828 | 6,603,493 | +481,335 | 3.28 |
| 2026-03-13 | 6,603,493 | 5,576,445 | +1,027,048 | 2.19 |
| 2026-02-27 | 5,576,445 | 4,698,707 | +877,738 | 2.63 |
| 2026-02-13 | 4,698,707 | 4,508,345 | +190,362 | 1.73 |
| 2026-01-30 | 4,508,345 | 4,753,876 | -245,531 | 2.42 |
| 2026-01-15 | 4,753,876 | 4,765,888 | -12,012 | 2.12 |
| 2025-12-31 | 4,765,888 | 4,578,394 | +187,494 | 3.21 |
| 2025-12-15 | 4,578,394 | 5,122,241 | -543,847 | 2.55 |
| 2025-11-28 | 5,122,241 | 5,573,309 | -451,068 | 1.97 |
| 2025-11-14 | 5,573,309 | 5,884,781 | -311,472 | 2.20 |
| 2025-10-31 | 5,884,781 | 6,275,268 | -390,487 | 3.27 |
| 2025-10-15 | 6,275,268 | 6,856,227 | -580,959 | 3.71 |
| 2025-09-30 | 6,856,227 | 8,022,488 | -1,166,261 | 3.14 |
| 2025-09-15 | 8,022,488 | 7,112,672 | +909,816 | 4.69 |
| 2025-08-29 | 7,112,672 | 6,497,410 | +615,262 | 3.58 |
| 2025-08-15 | 6,497,410 | 6,028,800 | +468,610 | 2.74 |
| 2025-07-31 | 6,028,800 | 6,853,730 | -824,930 | 3.01 |
| 2025-07-15 | 6,853,730 | 6,172,635 | +681,095 | 2.64 |
| 2025-06-30 | 6,172,635 | 6,619,721 | -447,086 | 2.32 |
Showing 1–24 of 24 settlements