FULC
Fulcrum Therapeutics, Inc. Common Stock
stockNASDAQ
Market OpenOct 5, 2026 10:19:50 AM EDT
3.71USD+0.678%(+0.02)294,388
3.7100Bid3.7200Ask0.0100SpreadAs of 2026-09-15, there were 7,194,912 shares short with a short interest of 11.13%.
FULC Short Interest - Official
Short Interest
FULC Short Position Change - Official
Short Position Change
FULC 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 | 11.13 | 7,194,912 | 5.87 | +178,749 | +2.55 | 76,297,257 | 64,625,339 |
| 2026-08-31 | 10.86 | 7,016,163 | 3.39 | +359,239 | +5.40 | 76,297,257 | 64,625,339 |
| 2026-08-14 | 10.30 | 6,656,924 | 5.01 | +24,740 | +0.37 | 76,297,257 | 64,625,339 |
| 2026-07-31 | 13.82 | 6,632,184 | 4.54 | -279,627 | -4.05 | 76,297,257 | 48,003,832 |
| 2026-07-15 | 14.40 | 6,911,811 | 3.99 | +486,631 | +7.57 | 66,633,321 | 48,003,832 |
| 2026-06-30 | 13.38 | 6,425,180 | 1.48 | +900,807 | +16.31 | 66,633,321 | 48,003,832 |
| 2026-06-15 | 11.51 | 5,524,373 | 1.00 | -2,275,206 | -29.17 | 66,633,321 | 48,003,832 |
| 2026-05-15 | 16.25 | 7,799,579 | 13.58 | -167,542 | -2.10 | 66,633,321 | 48,003,832 |
| 2026-04-30 | 16.60 | 7,967,121 | 9.31 | +413,784 | +5.48 | 66,633,321 | 48,003,832 |
| 2026-04-15 | 15.73 | 7,553,337 | 9.63 | +591,302 | +8.49 | 66,600,209 | 48,003,832 |
| 2026-03-31 | 14.50 | 6,962,035 | 4.64 | +2,029,431 | +41.14 | 66,600,209 | 48,003,832 |
| 2026-03-13 | 10.28 | 4,932,604 | 4.10 | +721,659 | +17.14 | 66,600,209 | 48,003,832 |
| 2026-02-27 | 8.77 | 4,210,945 | 3.81 | +692,591 | +19.69 | 66,600,209 | 48,003,832 |
| 2026-02-13 | 7.33 | 3,518,354 | 7.51 | -353,978 | -9.14 | 65,970,291 | 48,003,832 |
| 2026-01-30 | 8.07 | 3,872,332 | 5.16 | +283,406 | +7.90 | 65,970,291 | 48,003,832 |
| 2026-01-15 | 7.48 | 3,588,926 | 4.57 | +320,278 | +9.80 | 65,970,291 | 48,003,832 |
| 2025-12-31 | 6.81 | 3,268,648 | 3.78 | +274,320 | +9.16 | 65,970,291 | 48,003,832 |
| 2025-12-15 | 6.24 | 2,994,328 | 1.00 | -812,165 | -21.34 | 65,970,291 | 48,003,832 |
| 2025-11-28 | 7.93 | 3,806,493 | 3.94 | +241,822 | +6.78 | 54,118,438 | 47,988,841 |
| 2025-11-14 | 7.43 | 3,564,671 | 5.76 | +39,442 | +1.12 | 54,118,438 | 47,973,039 |
| 2025-10-31 | 7.35 | 3,525,229 | 5.16 | -25,126 | -0.71 | 54,091,588 | 47,973,039 |
| 2025-10-15 | 7.40 | 3,550,355 | 7.84 | +200,480 | +5.98 | 54,091,588 | 47,949,282 |
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.