CTKB
Cytek Biosciences, Inc. Common Stock
stockNASDAQ
At CloseOct 2, 2026 3:59:59 PM EDT
5.86USD+0.861%(+0.05)1,099,465
Pre-marketOct 2, 2026 8:00:30 AM EDT
5.82USD+0.172%(+0.01)
As of 2026-09-15, there were 5,242,079 shares short with a short interest of 4.43%.
CTKB Short Interest - Official
Short Interest
CTKB Short Position Change - Official
Short Position Change
CTKB 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 | 4.43 | 5,242,079 | 5.74 | +311,051 | +6.31 | 129,983,253 | 118,259,473 |
| 2026-08-31 | 4.17 | 4,931,028 | 6.64 | -58,582 | -1.17 | 129,983,253 | 118,259,473 |
| 2026-08-14 | 4.22 | 4,989,610 | 5.08 | +94,371 | +1.93 | 129,983,253 | 118,259,473 |
| 2026-07-31 | 4.14 | 4,895,239 | 7.46 | -134,339 | -2.67 | 129,142,587 | 118,259,473 |
| 2026-07-15 | 4.25 | 5,029,578 | 5.46 | +1,522,388 | +43.41 | 129,142,587 | 118,259,602 |
| 2026-06-30 | 2.97 | 3,507,190 | 1.03 | -3,535,676 | -50.20 | 129,142,587 | 118,259,602 |
| 2026-06-15 | 5.96 | 7,042,866 | 5.53 | +177,922 | +2.59 | 129,142,587 | 118,159,516 |
| 2026-05-15 | 5.81 | 6,864,944 | 5.96 | -875,963 | -11.32 | 129,142,587 | 118,224,217 |
| 2026-04-30 | 6.68 | 7,740,907 | 12.37 | -355,855 | -4.40 | 129,142,587 | 115,957,316 |
| 2026-04-15 | 6.98 | 8,096,762 | 17.17 | +36,847 | +0.46 | 128,550,136 | 115,957,316 |
| 2026-03-31 | 6.95 | 8,059,915 | 10.85 | +495,422 | +6.55 | 128,550,136 | 115,957,316 |
| 2026-03-13 | 6.52 | 7,564,493 | 8.62 | +280,103 | +3.85 | 128,550,136 | 115,957,316 |
| 2026-02-27 | 6.28 | 7,284,390 | 11.12 | +577,979 | +8.62 | 127,864,830 | 115,957,316 |
| 2026-02-13 | 5.78 | 6,706,411 | 6.62 | +165,690 | +2.53 | 127,864,830 | 115,957,316 |
| 2026-01-30 | 5.64 | 6,540,721 | 8.95 | +147,192 | +2.30 | 127,864,830 | 115,957,316 |
| 2026-01-15 | 5.51 | 6,393,529 | 7.00 | -139,038 | -2.13 | 127,864,830 | 115,957,316 |
| 2025-12-31 | 5.63 | 6,532,567 | 6.17 | -258,042 | -3.80 | 127,864,830 | 115,957,316 |
| 2025-12-15 | 5.86 | 6,790,609 | 5.31 | -137,246 | -1.98 | 127,864,830 | 115,957,316 |
| 2025-11-28 | 5.98 | 6,927,855 | 3.53 | +288,088 | +4.34 | 127,864,830 | 115,897,347 |
| 2025-11-14 | 6.07 | 6,639,767 | 3.57 | +241,078 | +3.77 | 127,864,830 | 109,371,740 |
| 2025-10-31 | 5.88 | 6,398,689 | 10.98 | +122,342 | +1.95 | 127,223,778 | 108,730,530 |
| 2025-10-15 | 5.77 | 6,276,347 | 7.99 | -64,364 | -1.02 | 127,223,778 | 108,730,530 |
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.