CRBU
Caribou Biosciences, Inc. Common Stock
stockNASDAQ
Market OpenOct 5, 2026 10:54:18 AM EDT
1.18USD-3.279%(-0.04)524,425
1.1700Bid1.1800Ask0.0100SpreadPre-marketOct 5, 2026 9:19:30 AM EDT
1.235USD+1.230%(+0.015)
As of 2026-09-15, there were 12,978,605 shares short with a short interest of 14.50%.
CRBU Short Interest - Official
Short Interest
CRBU Short Position Change - Official
Short Position Change
CRBU 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 | 14.50 | 12,978,605 | 9.49 | +477,285 | +3.82 | 107,207,513 | 89,531,121 |
| 2026-08-31 | 13.96 | 12,501,320 | 12.94 | +35,974 | +0.29 | 107,207,513 | 89,531,121 |
| 2026-08-14 | 13.92 | 12,465,346 | 11.95 | +825,892 | +7.10 | 107,207,513 | 89,531,121 |
| 2026-07-31 | 13.00 | 11,639,454 | 9.42 | +45,167 | +0.39 | 99,180,575 | 89,531,121 |
| 2026-07-15 | 12.95 | 11,594,287 | 4.92 | +1,968,450 | +20.45 | 99,180,575 | 89,530,724 |
| 2026-06-30 | 10.75 | 9,625,837 | 3.05 | +2,094,179 | +27.81 | 99,180,575 | 89,530,724 |
| 2026-06-15 | 8.42 | 7,531,658 | 4.15 | +395,031 | +5.54 | 99,180,575 | 89,411,905 |
| 2026-05-15 | 8.08 | 7,136,627 | 4.52 | +12,814 | +0.18 | 99,180,575 | 88,289,379 |
| 2026-04-30 | 8.44 | 7,123,813 | 4.35 | +355,528 | +5.25 | 98,682,370 | 84,428,744 |
| 2026-04-15 | 8.02 | 6,768,285 | 5.49 | +295,653 | +4.57 | 96,637,202 | 84,428,744 |
| 2026-03-31 | 7.67 | 6,472,632 | 6.00 | -584,457 | -8.28 | 96,637,202 | 84,428,744 |
| 2026-03-13 | 8.36 | 7,057,089 | 6.17 | -174,921 | -2.42 | 93,468,038 | 84,428,744 |
| 2026-02-27 | 8.57 | 7,232,010 | 4.92 | -536,210 | -6.90 | 93,468,038 | 84,428,744 |
| 2026-02-13 | 9.20 | 7,768,220 | 5.74 | +237,611 | +3.16 | 93,468,038 | 84,428,744 |
| 2026-01-30 | 8.92 | 7,530,609 | 6.88 | +737,321 | +10.85 | 93,468,038 | 84,428,744 |
| 2026-01-15 | 8.05 | 6,793,288 | 6.80 | +292,237 | +4.50 | 93,468,038 | 84,428,744 |
| 2025-12-31 | 7.70 | 6,501,051 | 6.45 | +260,293 | +4.17 | 93,468,038 | 84,428,744 |
| 2025-12-15 | 7.39 | 6,240,758 | 6.48 | +100,516 | +1.64 | 93,468,038 | 84,428,744 |
| 2025-11-28 | 7.27 | 6,140,242 | 5.86 | +521,409 | +9.28 | 93,468,038 | 84,428,744 |
| 2025-11-14 | 6.68 | 5,618,833 | 1.00 | +2,072,228 | +58.43 | 93,468,038 | 84,057,692 |
| 2025-10-31 | 4.22 | 3,546,605 | 4.54 | -126,260 | -3.44 | 93,123,239 | 84,057,692 |
| 2025-10-15 | 4.37 | 3,672,865 | 2.49 | -401,647 | -9.86 | 93,123,239 | 84,057,692 |
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.