ILMN
Illumina Inc
stockNASDAQ
At CloseOct 23, 2026 3:59:55 PM EDT
269.37USD-0.011%(-0.03)1,262,919
After-hoursOct 23, 2026 4:27:30 PM EDT
269.75USD+0.141%(+0.38)
As of 2026-09-30, there were 9,471,310 shares short with a short interest of 6.41%.
ILMN Short Interest - Official
ILMN Short Position Change - Official
ILMN 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 | 6.41 | 9,471,310 | 1.63 | -1,114,112 | -10.52 | 151,000,000 | 147,736,890 |
| 2026-09-15 | 7.17 | 10,585,422 | 5.60 | +864,707 | +8.90 | 151,000,000 | 147,736,890 |
| 2026-08-31 | 6.58 | 9,720,715 | 5.15 | +255,939 | +2.70 | 151,000,000 | 147,736,890 |
| 2026-08-14 | 6.41 | 9,464,776 | 4.83 | +1,408,087 | +17.48 | 151,000,000 | 147,736,890 |
| 2026-07-31 | 5.45 | 8,056,689 | 4.51 | -695,725 | -7.95 | 151,300,000 | 147,736,890 |
| 2026-07-15 | 5.91 | 8,752,414 | 4.39 | +1,186,634 | +15.68 | 151,300,000 | 148,030,407 |
| 2026-06-30 | 5.11 | 7,565,780 | 3.68 | -1,641,693 | -17.83 | 151,300,000 | 148,030,407 |
| 2026-06-15 | 6.22 | 9,207,473 | 4.53 | +1,704,332 | +22.71 | 151,300,000 | 148,030,407 |
| 2026-05-15 | 5.10 | 7,503,141 | 4.02 | +956,619 | +14.61 | 151,300,000 | 147,116,252 |
| 2026-04-30 | 4.41 | 6,546,522 | 4.68 | -631,768 | -8.80 | 151,906,915 | 148,419,224 |
| 2026-04-15 | 4.84 | 7,178,290 | 5.22 | +222,779 | +3.20 | 151,906,915 | 148,419,224 |
| 2026-03-31 | 4.69 | 6,955,511 | 4.87 | -275,158 | -3.81 | 152,900,000 | 148,419,224 |
| 2026-03-13 | 4.87 | 7,230,669 | 4.51 | +65,910 | +0.92 | 152,900,000 | 148,419,224 |
| 2026-02-27 | 4.83 | 7,164,759 | 2.94 | -757,108 | -9.56 | 152,900,000 | 148,419,224 |
| 2026-02-13 | 5.34 | 7,921,867 | 2.97 | -378,598 | -4.56 | 152,900,000 | 148,419,224 |
| 2026-01-30 | 5.59 | 8,300,465 | 3.96 | +1,845,140 | +28.58 | 152,800,000 | 148,419,224 |
| 2026-01-15 | 4.35 | 6,455,325 | 3.39 | -351,876 | -5.17 | 152,800,000 | 148,419,224 |
| 2025-12-31 | 4.59 | 6,807,201 | 4.75 | -604,221 | -8.15 | 152,800,000 | 148,419,224 |
| 2025-12-15 | 4.99 | 7,411,422 | 4.80 | +355,437 | +5.04 | 152,800,000 | 148,419,224 |
| 2025-11-28 | 4.75 | 7,055,985 | 3.84 | +511,924 | +7.82 | 152,800,000 | 148,419,224 |
| 2025-11-14 | 4.41 | 6,544,061 | 3.49 | -182,431 | -2.71 | 152,800,000 | 148,416,168 |
| 2025-10-31 | 4.50 | 6,726,492 | 3.43 | +47,486 | +0.71 | 153,700,000 | 149,330,309 |
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.