CTKB (Cytek Biosciences Inc.) historical data
STOCKListed1-minute bars
| Symbol | CTKB |
|---|---|
| Name | Cytek Biosciences Inc. |
| Exchange | NASDAQ |
| Sector | Healthcare |
| Industry | Medical - Devices |
| IPO date | 2021-07-23 |
| History | 2021-07-26 to 2026-10-09 (about 5 years) |
| Bar sizes | Daily, hourly, 5-minute and 1-minute |
| Adjustments | Unadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read |
| Survivorship | Included in the survivorship-free universe |
| Free tier | Last 12 months of daily bars |
Price history at a glance
CTKB last closed at $5.43 on 2026-10-09, +37.8% over the past year and -74.9% over five years. Its deepest fall from a prior high in this history was -91.3%, reached on 2025-05-23.
| Last close | $5.43 (2026-10-09) |
|---|---|
| 1-year change | +37.8% |
| 5-year change | -74.9% |
| Annualized since 2021-07-26 | -20.5% |
| 52-week range | $3.35 – $6.09 |
| Deepest drawdown | -91.3% (2025-05-23) |
| Avg. daily dollar volume (3 months) | $5.5m |
| Daily bars in history | 1,308 |
Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.
Institutional ownership (13F, 2026Q2)
| Managers holding | 155 |
|---|---|
| Shares held | 81,520,227 ($361.1m reported value) |
| Quarter flows | 29 new, 45 added, 65 trimmed, 39 exited; -3,547,542 shares vs the prior quarter |
From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("CTKB") on the look-back bundles. Top holders of CTKB · All 13F managers
Short interest (2026-09-30)
| Shares short | 5,215,595 (-0.5% vs prior report) |
|---|---|
| Days to cover | 3.13 |
CTKB short interest history · Healthcare sector
Get it in Python
import finzdata as yf
df = yf.Ticker("CTKB").history(start="2021-07-26", interval="1d")
df.tail()