SIRI
Sirius XM Holdings, Inc
stockNASDAQ
Market OpenOct 19, 2026 3:17:11 PM EDT
26.80USD-0.630%(-0.17)1,076,216
Pre-marketOct 19, 2026 9:29:30 AM EDT
26.75USD-0.816%(-0.22)
As of 2026-09-30, there were 37,493,814 shares short with a short interest of 12.05%.
SIRI Short Interest - Official
SIRI Short Position Change - Official
SIRI Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | 12.05 | 37,493,814 | 7.49 | +521,817 | +1.41 | 337,066,891 | 311,137,109 |
| 2026-09-15 | 11.88 | 36,971,997 | 9.83 | +5,208,554 | +16.40 | 337,066,891 | 311,137,109 |
| 2026-08-31 | 10.21 | 31,763,443 | 10.44 | -3,333,463 | -9.50 | 337,066,891 | 311,137,109 |
| 2026-08-14 | 11.28 | 35,096,906 | 8.21 | +359,931 | +1.04 | 337,066,891 | 311,137,109 |
| 2026-07-31 | 11.18 | 34,736,975 | 8.61 | -1,981,095 | -5.40 | 337,066,891 | 310,724,496 |
| 2026-07-15 | 11.82 | 36,718,070 | 9.54 | +294,488 | +0.81 | 336,619,936 | 310,724,833 |
| 2026-06-30 | 11.76 | 36,423,582 | 7.21 | -160,088 | -0.44 | 336,619,936 | 309,781,229 |
| 2026-06-15 | 11.81 | 36,583,670 | 4.80 | +7,361,444 | +25.19 | 336,619,936 | 309,781,229 |
| 2026-05-15 | 9.60 | 29,222,226 | 7.74 | +369,547 | +1.28 | 336,619,936 | 304,496,296 |
| 2026-04-30 | 9.41 | 28,852,679 | 3.39 | -2,415,273 | -7.72 | 336,550,321 | 306,483,123 |
| 2026-04-15 | 10.20 | 31,267,952 | 8.54 | -256,901 | -0.81 | 336,550,321 | 306,483,123 |
| 2026-03-31 | 10.29 | 31,524,853 | 9.55 | +1,874,204 | +6.32 | 334,772,877 | 306,483,123 |
| 2026-03-13 | 9.67 | 29,650,649 | 7.13 | +770,608 | +2.67 | 334,772,877 | 306,483,123 |
| 2026-02-27 | 9.42 | 28,880,041 | 8.73 | -1,722,993 | -5.63 | 334,772,877 | 306,483,123 |
| 2026-02-13 | 9.99 | 30,603,034 | 3.54 | -2,110,264 | -6.45 | 334,772,877 | 306,483,123 |
| 2026-01-30 | 10.67 | 32,713,298 | 6.90 | -1,520,349 | -4.44 | 336,561,636 | 306,483,123 |
| 2026-01-15 | 11.17 | 34,233,647 | 8.06 | +3,449,792 | +11.21 | 336,561,636 | 306,483,123 |
| 2025-12-31 | 10.04 | 30,783,855 | 8.14 | +1,007,527 | +3.38 | 336,561,636 | 306,483,123 |
| 2025-12-15 | 9.71 | 29,776,328 | 8.68 | +911,459 | +3.16 | 336,561,636 | 306,510,048 |
| 2025-11-28 | 9.42 | 28,864,869 | 7.58 | +1,149,658 | +4.15 | 336,561,636 | 306,510,048 |
| 2025-11-14 | 9.04 | 27,715,211 | 8.18 | -1,575,495 | -5.38 | 336,561,636 | 306,510,048 |
| 2025-10-31 | 9.54 | 29,290,706 | 7.12 | +4,459,327 | +17.96 | 336,740,461 | 306,922,750 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.