MIRM
Mirum Pharmaceuticals, Inc. Common Stock
stockNASDAQ
Market OpenOct 5, 2026 10:46:59 AM EDT
81.58USD-1.628%(-1.35)95,036
71.38Bid81.84Ask10.46SpreadPre-marketOct 5, 2026 9:21:30 AM EDT
82.94USD+0.012%(+0.01)
As of 2026-09-15, there were 6,281,413 shares short with a short interest of 11.97%.
MIRM Short Interest - Official
Short Interest
MIRM Short Position Change - Official
Short Position Change
MIRM 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 | 11.97 | 6,281,413 | 11.99 | +109,434 | +1.77 | 64,932,203 | 52,463,979 |
| 2026-08-31 | 11.76 | 6,171,979 | 13.21 | -317,404 | -4.89 | 60,981,227 | 52,463,979 |
| 2026-08-14 | 12.37 | 6,489,383 | 7.27 | -334,323 | -4.90 | 60,981,227 | 52,463,979 |
| 2026-07-31 | 13.01 | 6,823,706 | 12.05 | -449,186 | -6.18 | 60,981,227 | 52,463,979 |
| 2026-07-15 | 14.53 | 7,272,892 | 10.59 | -210,394 | -2.81 | 60,981,227 | 50,069,227 |
| 2026-06-30 | 14.95 | 7,483,286 | 5.02 | +574,144 | +8.31 | 60,981,227 | 50,069,227 |
| 2026-06-15 | 13.80 | 6,909,142 | 11.24 | -1,287,526 | -15.71 | 60,981,227 | 50,069,227 |
| 2026-05-15 | 16.37 | 8,196,668 | 4.83 | -217,146 | -2.58 | 60,981,227 | 50,069,227 |
| 2026-04-30 | 19.18 | 8,413,814 | 14.67 | +200,033 | +2.44 | 60,977,841 | 43,874,694 |
| 2026-04-15 | 18.72 | 8,213,781 | 12.54 | +163,367 | +2.03 | 60,341,617 | 43,874,694 |
| 2026-03-31 | 18.35 | 8,050,414 | 6.84 | +590,293 | +7.91 | 60,341,617 | 43,874,694 |
| 2026-03-13 | 17.00 | 7,460,121 | 9.06 | -162,898 | -2.14 | 60,341,617 | 43,874,694 |
| 2026-02-27 | 17.37 | 7,623,019 | 9.75 | -417,609 | -5.19 | 59,879,958 | 43,874,694 |
| 2026-02-13 | 18.33 | 8,040,628 | 12.73 | +245,587 | +3.15 | 59,879,958 | 43,874,694 |
| 2026-01-30 | 17.77 | 7,795,041 | 9.55 | +205,090 | +2.70 | 59,879,958 | 43,874,694 |
| 2026-01-15 | 17.30 | 7,589,951 | 8.46 | -773,368 | -9.25 | 51,683,837 | 43,874,694 |
| 2025-12-31 | 19.06 | 8,363,319 | 9.09 | +989,199 | +13.41 | 51,683,837 | 43,874,694 |
| 2025-12-15 | 16.81 | 7,374,120 | 10.67 | -90,871 | -1.22 | 51,683,837 | 43,874,694 |
| 2025-11-28 | 17.76 | 7,464,991 | 18.19 | -196,332 | -2.56 | 51,393,574 | 42,038,422 |
| 2025-11-14 | 18.63 | 7,661,323 | 9.91 | +634,138 | +9.02 | 51,393,574 | 41,132,847 |
| 2025-10-31 | 17.58 | 7,027,185 | 16.75 | -361,895 | -4.90 | 50,237,647 | 39,977,110 |
| 2025-10-15 | 18.48 | 7,389,080 | 10.00 | +23,510 | +0.32 | 50,237,647 | 39,977,110 |
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.