SIRI
Sirius Xm Holdings Inc.Company with tickers: SIRI
CIK
908937
CUSIP
829933100
Shares Outstanding
336,619,936
13F Activity (30d)
228 filings
219 filers
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
80/100
Short interest 8.3% of shares — P85
Days to cover 5.8 — P78
Short-volume trend +7.5% — P78
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-29 | 28,005,913 | 29,222,226 | -1,216,313 | 5.80 |
| 2026-05-15 | 29,222,226 | 28,852,679 | +369,547 | 7.74 |
| 2026-04-30 | 28,852,679 | 31,267,952 | -2,415,273 | 3.39 |
| 2026-04-15 | 31,267,952 | 31,524,853 | -256,901 | 8.54 |
| 2026-03-31 | 31,524,853 | 29,650,649 | +1,874,204 | 9.55 |
| 2026-03-13 | 29,650,649 | 28,880,041 | +770,608 | 7.13 |
| 2026-02-27 | 28,880,041 | 30,603,034 | -1,722,993 | 8.73 |
| 2026-02-13 | 30,603,034 | 32,713,298 | -2,110,264 | 3.54 |
| 2026-01-30 | 32,713,298 | 34,233,647 | -1,520,349 | 6.90 |
| 2026-01-15 | 34,233,647 | 30,783,855 | +3,449,792 | 8.06 |
| 2025-12-31 | 30,783,855 | 29,776,328 | +1,007,527 | 8.14 |
| 2025-12-15 | 29,776,328 | 28,864,869 | +911,459 | 8.68 |
| 2025-11-28 | 28,864,869 | 27,715,211 | +1,149,658 | 7.58 |
| 2025-11-14 | 27,715,211 | 29,290,706 | -1,575,495 | 8.18 |
| 2025-10-31 | 29,290,706 | 24,831,379 | +4,459,327 | 7.12 |
| 2025-10-15 | 24,831,379 | 26,573,322 | -1,741,943 | 7.32 |
| 2025-09-30 | 26,573,322 | 26,374,531 | +198,791 | 8.98 |
| 2025-09-15 | 26,374,531 | 26,480,107 | -105,576 | 8.42 |
| 2025-08-29 | 26,480,107 | 25,465,829 | +1,014,278 | 8.57 |
| 2025-08-15 | 25,465,829 | 25,320,762 | +145,067 | 4.74 |
| 2025-07-31 | 25,320,762 | 27,254,702 | -1,933,940 | 6.57 |
| 2025-07-15 | 27,254,702 | 29,315,041 | -2,060,339 | 8.75 |
| 2025-06-30 | 29,315,041 | 28,962,183 | +352,858 | 10.19 |
| 2025-06-13 | 28,962,183 | 28,858,755 | +103,428 | 8.64 |
Showing 1–24 of 24 settlements