RGNX
REGENXBIO Inc.
stockNASDAQ
At CloseOct 2, 2026 3:59:59 PM EDT
7.43USD+0.067%(+0.01)1,036,886
Pre-marketOct 5, 2026 9:06:30 AM EDT
7.82USD+5.249%(+0.39)
After-hoursOct 2, 2026 4:30:30 PM EDT
7.66USD+3.165%(+0.24)
As of 2026-09-15, there were 7,927,603 shares short with a short interest of 17.84%.
RGNX Short Interest - Official
Short Interest
RGNX Short Position Change - Official
Short Position Change
RGNX Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | 17.84 | 7,927,603 | 7.66 | +430,382 | +5.74 | 66,013,192 | 44,447,030 |
| 2026-08-31 | 16.87 | 7,497,221 | 4.87 | -700,294 | -8.54 | 66,013,192 | 44,447,030 |
| 2026-08-14 | 18.44 | 8,197,515 | 7.77 | +1,002,576 | +13.93 | 66,013,192 | 44,447,030 |
| 2026-07-31 | 16.19 | 7,194,939 | 3.79 | -1,431,833 | -16.60 | 64,020,245 | 44,447,030 |
| 2026-07-15 | 20.04 | 8,626,772 | 3.29 | -1,832,803 | -17.52 | 51,697,621 | 43,043,956 |
| 2026-06-30 | 24.31 | 10,459,575 | 3.19 | +1,196,198 | +12.91 | 51,697,621 | 43,033,100 |
| 2026-06-15 | 21.53 | 9,263,377 | 6.96 | +2,127,628 | +29.82 | 51,697,621 | 43,033,100 |
| 2026-05-15 | 16.59 | 7,135,749 | 3.19 | +443,193 | +6.62 | 51,697,621 | 43,001,607 |
| 2026-04-30 | 15.97 | 6,692,556 | 12.13 | -251,434 | -3.62 | 51,617,233 | 41,907,816 |
| 2026-04-15 | 16.57 | 6,943,990 | 12.63 | +233,056 | +3.47 | 51,617,233 | 41,907,816 |
| 2026-03-31 | 16.01 | 6,710,934 | 8.08 | +242,887 | +3.76 | 51,612,984 | 41,907,816 |
| 2026-03-13 | 15.43 | 6,468,047 | 5.70 | +81,460 | +1.28 | 51,612,984 | 41,907,816 |
| 2026-02-27 | 15.24 | 6,386,587 | 9.05 | +388,237 | +6.47 | 50,623,086 | 41,907,816 |
| 2026-02-13 | 14.31 | 5,998,350 | 5.58 | +1,122,284 | +23.02 | 50,623,086 | 41,907,816 |
| 2026-01-30 | 11.64 | 4,876,066 | 3.63 | -247,749 | -4.84 | 50,623,086 | 41,907,816 |
| 2026-01-15 | 12.23 | 5,123,815 | 6.89 | +154,854 | +3.12 | 50,623,086 | 41,907,816 |
| 2025-12-31 | 11.86 | 4,968,961 | 7.31 | -138,364 | -2.71 | 50,623,086 | 41,907,816 |
| 2025-12-15 | 12.19 | 5,107,325 | 7.73 | -317,083 | -5.85 | 50,623,086 | 41,907,816 |
| 2025-11-28 | 12.94 | 5,424,408 | 7.88 | +683,040 | +14.41 | 50,623,086 | 41,907,816 |
| 2025-11-14 | 11.34 | 4,741,368 | 8.21 | +192,846 | +4.24 | 50,623,086 | 41,825,806 |
| 2025-10-31 | 10.90 | 4,548,522 | 8.64 | -332,234 | -6.81 | 50,514,216 | 41,716,660 |
| 2025-10-15 | 11.70 | 4,880,756 | 7.13 | -104,205 | -2.09 | 50,514,216 | 41,716,660 |
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.