Stock listing
NASDAQ:CTKB Cytek Biosciences, Inc. Stock
Home listing (NASDAQ) of Cytek Biosciences, Inc.
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Share price · NASDAQ:CTKB
$6.13 USD -0.17 (-2.7%)
Close on Oct 30, 2026
- Day range
- $6.05 – $6.28 USDOct 30, 2026
- Volume
- 1.87M sharesOct 30, 2026
- Market cap
- $796.8M USDAt the close on Oct 30, 2026 · price × 130.0M shares outstanding
- 52-week range
- $3.31 – $6.34 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $6.21M USDMedian day 1.04M shares · last 3 months, Jul 30, 2026 – Oct 30, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:CTKB · Home | $6.13 USD | -0.17 (-2.7%) | 1,866,608 | $6.26 | $6.28 | $6.045 | $6.30 | Close on Oct 30, 2026 |
| Frankfurt:8EQ | €5.35 EUR | +0.20 (+3.9%) | — | €5.50 | €5.55 | €5.35 | €5.15 | Close on Oct 30, 2026 |
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:CTKB · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $6.13 | -0.17 | -2.7% | $6.26 | $6.28 | $6.045 | 1,866,608 | |
| $6.30 | +0.16 | +2.6% | $6.16 | $6.335 | $6.01 | 1,914,842 | |
| $6.14 | +0.16 | +2.7% | $5.95 | $6.32 | $5.95 | 1,597,845 | |
| $5.98 | +0.09 | +1.5% | $5.89 | $6.01 | $5.795 | 1,208,206 | |
| $5.89 | +0.30 | +5.4% | $5.60 | $5.895 | $5.59 | 1,240,085 | |
| $5.59 | +0.16 | +2.9% | $5.38 | $5.64 | $5.30 | 704,855 | |
| $5.43 | -0.07 | -1.3% | $5.53 | $5.66 | $5.35 | 694,301 | |
| $5.50 | +0.16 | +3.0% | $5.26 | $5.545 | $5.24 | 1,093,138 | |
| $5.34 | +0.09 | +1.7% | $5.29 | $5.49 | $5.26 | 805,961 | |
| $5.25 | 0.00 | 0.0% | $5.27 | $5.34 | $5.19 | 700,551 | |
| $5.25 | -0.16 | -3.0% | $5.41 | $5.41 | $5.205 | 1,045,424 | |
| $5.41 | +0.015 | +0.3% | $5.36 | $5.48 | $5.29 | 905,397 | |
| $5.395 | +0.045 | +0.8% | $5.25 | $5.475 | $5.23 | 1,074,552 | |
| $5.35 | +0.04 | +0.8% | $5.19 | $5.465 | $5.18 | 1,425,981 | |
| $5.31 | -0.12 | -2.2% | $5.42 | $5.42 | $5.115 | 1,036,697 | |
| $5.43 | +0.07 | +1.3% | $5.32 | $5.555 | $5.30 | 3,884,103 | |
| $5.36 | +0.02 | +0.4% | $5.26 | $5.38 | $5.045 | 1,712,463 | |
| $5.34 | -0.04 | -0.7% | $5.21 | $5.34 | $5.11 | 1,782,599 | |
| $5.38 | -0.71 | -11.7% | $6.13 | $6.21 | $5.355 | 2,051,763 | |
| $6.09 | +0.22 | +3.7% | $5.88 | $6.105 | $5.825 | 1,788,138 | |
| $5.87 | +0.06 | +1.0% | $5.86 | $5.94 | $5.75 | 1,099,465 | |
| $5.81 | -0.15 | -2.5% | $5.96 | $5.97 | $5.75 | 1,571,621 | |
| $5.96 | +0.20 | +3.5% | $5.76 | $5.985 | $5.67 | 1,324,207 | |
| $5.76 | +0.02 | +0.3% | $5.74 | $5.855 | $5.655 | 869,963 | |
| $5.74 | +0.09 | +1.6% | $5.62 | $5.78 | $5.53 | 1,085,778 | |
| $5.65 | -0.08 | -1.4% | $5.71 | $5.75 | $5.57 | 1,494,815 | |
| $5.73 | +0.05 | +0.9% | $5.64 | $5.83 | $5.48 | 1,595,469 | |
| $5.68 | -0.03 | -0.5% | $5.73 | $5.85 | $5.63 | 1,261,181 | |
| $5.71 | +0.43 | +8.1% | $5.29 | $5.84 | $5.26 | 3,779,426 | |
| $5.28 | -0.02 | -0.4% | $5.32 | $5.32 | $5.20 | 1,254,764 | |
| $5.30 | +0.09 | +1.7% | $5.09 | $5.315 | $5.09 | 2,085,867 | |
| $5.21 | +0.28 | +5.7% | $4.99 | $5.295 | $4.91 | 2,231,809 | |
| $4.93 | +0.04 | +0.8% | $4.89 | $5.005 | $4.77 | 1,555,259 | |
| $4.89 | +0.06 | +1.2% | $4.81 | $5.02 | $4.80 | 1,119,843 | |
| $4.83 | +0.22 | +4.8% | $4.62 | $4.86 | $4.57 | 1,165,787 | |
| $4.61 | +0.08 | +1.8% | $4.61 | $4.64 | $4.485 | 897,708 | |
| $4.53 | -0.20 | -4.2% | $4.69 | $4.70 | $4.51 | 2,417,079 | |
| $4.73 | +0.11 | +2.4% | $4.59 | $4.75 | $4.55 | 810,260 | |
| $4.62 | -0.08 | -1.7% | $4.64 | $4.68 | $4.54 | 649,719 | |
| $4.70 | 0.00 | 0.0% | $4.67 | $4.729 | $4.62 | 478,226 | |
| $4.70 | +0.01 | +0.2% | $4.70 | $4.77 | $4.515 | 485,316 | |
| $4.69 | +0.07 | +1.5% | $4.66 | $4.78 | $4.58 | 564,629 | |
| $4.62 | -0.16 | -3.3% | $4.775 | $4.805 | $4.55 | 629,427 | |
| $4.78 | +0.10 | +2.1% | $4.63 | $4.805 | $4.48 | 958,630 | |
| $4.68 | +0.06 | +1.3% | $4.62 | $4.71 | $4.48 | 796,311 | |
| $4.62 | +0.05 | +1.1% | $4.57 | $4.735 | $4.56 | 651,351 | |
| $4.57 | -0.01 | -0.2% | $4.53 | $4.58 | $4.509 | 437,704 | |
| $4.58 | +0.14 | +3.2% | $4.45 | $4.58 | $4.36 | 605,075 | |
| $4.44 | -0.37 | -7.7% | $4.80 | $4.84 | $4.29 | 943,485 | |
| $4.81 | +0.15 | +3.2% | $4.69 | $4.83 | $4.59 | 820,257 | |
| $4.66 | -0.04 | -0.9% | $4.63 | $4.78 | $4.615 | 800,614 | |
| $4.70 | +0.03 | +0.6% | $4.67 | $4.92 | $4.67 | 1,038,803 | |
| $4.67 | -0.07 | -1.5% | $4.77 | $4.77 | $4.60 | 713,315 | |
| $4.74 | +0.05 | +1.1% | $4.66 | $4.76 | $4.57 | 497,828 | |
| $4.69 | -0.20 | -4.1% | $4.84 | $4.935 | $4.661 | 927,484 | |
| $4.89 | +0.11 | +2.3% | $4.82 | $4.925 | $4.76 | 1,022,956 | |
| $4.78 | +0.04 | +0.8% | $4.70 | $4.80 | $4.65 | 846,431 | |
| $4.74 | +0.08 | +1.7% | $4.67 | $4.82 | $4.53 | 1,172,169 | |
| $4.66 | +0.46 | +11.0% | $4.315 | $4.67 | $4.16 | 1,215,436 | |
| $4.20 | +0.04 | +1.0% | $4.17 | $4.239 | $4.115 | 616,077 | |
| $4.16 | -0.02 | -0.5% | $4.37 | $4.40 | $4.045 | 1,425,715 | |
| $4.18 | -0.10 | -2.3% | $4.27 | $4.31 | $4.115 | 993,960 | |
| $4.28 | -0.03 | -0.7% | $4.28 | $4.362 | $4.17 | 819,175 | |
| $4.31 | +0.09 | +2.1% | $4.31 | $4.35 | $4.185 | 889,893 | |
| $4.22 | -0.09 | -2.1% | $4.28 | $4.31 | $4.135 | 608,894 | |
| $4.31 | -0.07 | -1.6% | $4.38 | $4.38 | $4.24 | 525,929 |
- Ticker
- NASDAQ:CTKB
- Asset type
- Stock
- Sector
- Health care
- Industry
- Diagnostics & research services
- Exchange
- NASDAQ
- Currency
- USD
What changed lately
Latest news release · Oct 29, 2026
Cytek Biosciences to Participate in Upcoming Investor Conferences
Latest earnings call · Aug 5, 2026
Cytek Biosciences (NASDAQ:CTKB) Q2 2026 Earnings Call
Replay and transcript
Latest deck · Aug 5, 2026
Q2 2026 Earnings Presentation
Earnings · 15 slides
Calls
Upcoming
Cytek Biosciences (NASDAQ:CTKB) Q3 2026 Earnings Call
Wed, Nov 04, 2026 · 4:30 PM ET
Register
Replays
Cytek Biosciences (NASDAQ:CTKB) Q2 2026 Earnings Call
Wed, Aug 05, 2026 · 4:30 PM ET
Watch TranscriptCytek Biosciences (NASDAQ:CTKB) Q1 2026 Earnings Call
Thu, May 07, 2026 · 4:30 PM ET
Watch TranscriptCytek Biosciences (NASDAQ:CTKB) Q4 2025 Earnings Call
Thu, Feb 26, 2026 · 4:30 PM ET
Watch Transcript
Latest news
Cytek Biosciences to Participate in Upcoming Investor Conferences
Oct 29, 2026
Closed $6.13 (-2.7%) on Oct 30, 2026
Cytek Biosciences to Report Third Quarter 2026 Financial Results on November 4, 2026
Oct 21, 2026
Closed $5.43 (-1.3%) on Oct 22, 2026
Cytek® Biosciences Extends Capabilities Within Cytek Cloud Digital Ecosystem with New Cloud Analysis Tool
Sep 23, 2026
Closed $5.73 (+0.9%) on Sep 24, 2026
Cytek® Biosciences Highlights the Expanding Role of Spectral Flow Cytometry in Clinical Research at ESCCA and ICCS
Sep 3, 2026
Closed $4.70 (0.0%) on Sep 4, 2026
Jury Finds in Cytek’s Favor on Three of Four Asserted Claims; Company to Challenge Remaining Finding
Aug 21, 2026
Closed $4.44 (-7.7%) on Aug 24, 2026
Cytek Biosciences Reports Second Quarter 2026 Financial Results
Aug 5, 2026
Closed $4.16 (-0.5%) on Aug 6, 2026
Cytek Biosciences to Report Second Quarter 2026 Financial Results on August 5, 2026
Jul 22, 2026
Closed $4.56 (+0.4%) on Jul 23, 2026
Cytek® Biosciences Opens New Innovation Center in Bellevue to Advance R&D and Customer Engagement
Jul 15, 2026
Closed $4.64 (-0.2%) on Jul 16, 2026
Cytek Biosciences to participate at the Singular Research’s Las Vegas Invitational Conference
Jun 10, 2026
Closed $4.02 (-0.7%) on Jun 11, 2026
Cytek Biosciences to Unveil Next-Generation Spectral Flow Cytometry Innovations at CYTO 2026
Jun 2, 2026
Closed $4.05 (-3.3%) on Jun 3, 2026
Decks
Q2 2026 Earnings Presentation
Earnings · 15 slides · Aug 5, 2026
Q1 2026 Earnings Presentation
Earnings · 14 slides · May 7, 2026
TD Cowen 46th Annual Healthcare Conference 2026
Conference · 11 slides · Mar 4, 2026
Q4 2025 Earnings Presentation
Earnings · 14 slides · Feb 26, 2026
Cytek Biosciences, Inc. on 6ix
- Sector
- Health care
- Industry
- Diagnostics & research services
- News releases
- 21 in the last 12 months · 92 in all · newest Oct 29, 2026 · oldest 2021
- Calls
- 20 calls with a replay · 20 with a transcript · latest Aug 5, 2026
- Decks
- 11 decks · latest Aug 5, 2026
Where Cytek Biosciences, Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:CTKB · Home listing · This page | NASDAQ | United States | USD |
| gettex:8EQ | gettex | Germany | EUR |
| LS Exchange:A3CVW1 | LS Exchange | Germany | EUR |
| Lang & Schwarz:A3CVW1 | Lang & Schwarz | Germany | EUR |
| Tradegate:8EQ | Tradegate | Germany | EUR |
| BOATS:CTKB | BOATS | United States | USD |
| Dusseldorf:8EQ | Dusseldorf | Germany | EUR |
| Frankfurt:8EQ | Frankfurt | Germany | EUR |
| Munich:8EQ | Munich | Germany | EUR |
| Stuttgart:8EQ | Stuttgart | Germany | EUR |
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