MRNA
Moderna, Inc. Common Stock
stockNASDAQ
Market OpenOct 20, 2026 10:18:48 AM EDT
225.80USD-0.480%(-1.09)3,232,730
Pre-marketOct 20, 2026 9:29:30 AM EDT
226.36USD-0.234%(-0.53)
As of 2026-09-30, there were 30,863,202 shares short with a short interest of 8.29%.
MRNA Short Interest - Official
MRNA Short Position Change - Official
MRNA 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 | 8.29 | 30,863,202 | 1.83 | -2,009,585 | -6.11 | 399,235,889 | 372,347,352 |
| 2026-09-15 | 8.83 | 32,872,787 | 2.53 | -6,278,745 | -16.04 | 399,235,889 | 372,347,352 |
| 2026-08-31 | 10.51 | 39,151,532 | 1.00 | -13,657,652 | -25.86 | 399,235,889 | 372,347,352 |
| 2026-08-14 | 14.18 | 52,809,184 | 9.15 | +3,040,302 | +6.11 | 399,235,889 | 372,347,352 |
| 2026-07-31 | 13.45 | 49,768,882 | 10.22 | -2,632,960 | -5.02 | 396,786,259 | 370,062,704 |
| 2026-07-15 | 14.16 | 52,401,842 | 6.07 | -783,798 | -1.47 | 396,786,259 | 370,070,640 |
| 2026-06-30 | 14.37 | 53,185,640 | 4.61 | -5,479,320 | -9.34 | 396,786,259 | 370,078,576 |
| 2026-06-15 | 15.85 | 58,664,960 | 10.48 | +593,545 | +1.02 | 396,786,259 | 370,078,576 |
| 2026-05-15 | 15.69 | 58,071,415 | 5.63 | -238,228 | -0.41 | 396,786,259 | 370,094,447 |
| 2026-04-30 | 16.01 | 58,309,643 | 10.15 | -1,127,919 | -1.90 | 396,586,862 | 364,152,373 |
| 2026-04-15 | 16.32 | 59,437,562 | 11.45 | -1,212,040 | -2.00 | 396,586,862 | 364,152,373 |
| 2026-03-31 | 16.66 | 60,649,602 | 9.05 | -5,538,575 | -8.37 | 396,586,862 | 364,152,373 |
| 2026-03-13 | 18.18 | 66,188,177 | 6.16 | -4,045,730 | -5.76 | 394,939,424 | 364,152,373 |
| 2026-02-27 | 19.29 | 70,233,907 | 8.08 | -1,107,780 | -1.55 | 390,733,636 | 364,152,373 |
| 2026-02-13 | 19.59 | 71,341,687 | 6.55 | -164,011 | -0.23 | 390,733,636 | 364,152,373 |
| 2026-01-30 | 19.64 | 71,505,698 | 4.54 | +1,236,831 | +1.76 | 390,733,636 | 364,152,373 |
| 2026-01-15 | 19.30 | 70,268,867 | 5.29 | +1,947,002 | +2.85 | 390,733,636 | 364,152,373 |
| 2025-12-31 | 18.76 | 68,321,865 | 6.89 | -1,357,612 | -1.95 | 390,733,636 | 364,152,373 |
| 2025-12-15 | 19.10 | 69,679,477 | 6.90 | +1,604,164 | +2.36 | 390,733,636 | 364,839,969 |
| 2025-11-28 | 18.66 | 68,075,313 | 7.27 | +3,719,219 | +5.78 | 390,733,636 | 364,890,757 |
| 2025-11-14 | 17.64 | 64,356,094 | 5.66 | +699,897 | +1.10 | 390,733,636 | 364,879,037 |
| 2025-10-31 | 17.52 | 63,656,197 | 5.23 | -1,380,754 | -2.12 | 390,580,775 | 363,381,039 |
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.