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CTKBCytek Biosciences, Inc.
$4.07$526M
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CTKB logoCytek Biosciences, Inc.(CTKB)Earnings, Financials & Key Ratios

CTKB•NASDAQ
Price updated Jun 19, 2026
SectorHealthcareIndustryMedical DevicesSub-IndustryDevice suppliers, distribution, and services
AboutCytek Biosciences, Inc., a cell analysis solutions company, provides cell analysis tools that facilitates scientific advances in biomedical research and clinical applications. It offers aurora and northern lights systems, which are spectrum flow cytometers that delivers cell analysis by utilizing the fluorescence signatures from multiple lasers to distinguish fluorescent tags on single cells; and aurora cell sorter system, which leverages full spectrum profiling technology to further broaden potential applications across cell analysis. The company also provides reagents and kits, including cFluor reagents, which are fluorochrome conjugated antibodies used to identify cells of interest for analysis on its instruments, as well as 25-color immunoprofiling assay that provides turnkey solutions for identifying major human immune subpopulations for TBNK cells, monocytes, dendritic cells, and basophils. In addition, it offers automated micro-sampling system and automated sample loader system, which are automated plate loaders to integrate seamlessly into the aurora and northern lights systems; SpectroFlo software that provides intuitive workflow from quality control to data analysis for aurora and northern lights systems; and customer support tools. The company serves pharmaceutical and biopharma companies, academic research centers, and clinical research organizations. It distributes its products through direct sales force and support organizations in North America, Europe, China, and the Asia-Pacific region; and through distributors or sales agents in European, Latin American, the Middle Eastern, and the Asia-Pacific countries. The company was formerly known as Cytoville, Inc. and changed its name to Cytek Biosciences, Inc. in August 2015. Cytek Biosciences, Inc. was founded in 1992 and is headquartered in Fremont, California.Show more
  • Revenue$201M+0.5%
  • EBITDA-$28M-183.2%
  • Net Income-$67M-1005.3%
  • EPS (Diluted)-0.52-1028.0%
  • Gross Margin51.84%-6.5%
  • EBITDA Margin-14.1%-181.7%
  • Operating Margin-20.04%-95.8%
  • Net Margin-33.02%-999.6%
  • ROE-18.05%-1082.2%

CTKB Key Insights

Cytek Biosciences, Inc. (CTKB) fundamental analysis — strengths, weaknesses & financial health based on data analysis

✓Strengths

  • ✓Company is almost debt free
  • ✓Strong 5Y sales CAGR of 16.8%
  • ✓Share count reduced 2.2% through buybacks
  • ✓Trading at only 1.4x book value

✗Weaknesses

  • ✗Weak Piotroski F-Score: 3/9
  • ✗Negative free cash flow
  • ✗Low quality earnings: Net income not backed by cash flow
  • ✗Trading more than 30% below 52-week high

* These insights are generated automatically based on available financial data. Please conduct your own research before making investment decisions.

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CTKB Price & Volume

Cytek Biosciences, Inc. (CTKB) stock price & volume — 10-year historical chart

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CTKB Growth Metrics

Cytek Biosciences, Inc. (CTKB) revenue, earnings & EPS growth — 3, 5 & 10-year CAGR

Revenue CAGR

10 Years-
5 Years16.76%
3 Years7.1%
TTM3.61%

Profit CAGR

10 Years-
5 Years-
3 Years-
TTM-557.69%

EPS CAGR

10 Years-
5 Years-
3 Years-
TTM-543.14%

Return on Capital

10 Years-5.99%
5 Years-3.64%
3 Years-6.92%
Last Year-9.9%

CTKB Recent Earnings

Cytek Biosciences, Inc. (CTKB) EPS & revenue vs analyst estimates — last 4 quarters

Full history →
●Beat EPS 7/12 qtrs (58%)●Beat Revenue 4/12 qtrs (33%)
Q2 2026Latest
May 7, 2026
Metric
Actual
Est
EPS
$0.12-50.0%
$0.08
Rev
$44M-0.2%
$44M
Q1 2026
Feb 26, 2026
Metric
Actual
Est
EPS
$0.01+50.0%
$0.02
Rev
$62M+8.7%
$57M
Q4 2025
Nov 5, 2025
Metric
Actual
Est
EPS
$0.01-200.0%
$0.01
Rev
$52M-11.1%
$59M
Q3 2025
Aug 6, 2025
Metric
Actual
Est
EPS
$0.01+150.0%
$0.02
Rev
$46M-1.6%
$46M
QuarterDateEPS (Act vs Est)Revenue (Act vs Est)
Q2 2026LatestMay 7, 2026
$0.12vs $0.08-50.0%
$44Mvs $44M-0.2%
Q1 2026Feb 26, 2026
$0.01vs $0.02+50.0%
$62Mvs $57M+8.7%
Q4 2025Nov 5, 2025
$0.01vs $0.01-200.0%
$52Mvs $59M-11.1%
Q3 2025Aug 6, 2025
$0.01vs $0.02+150.0%
$46Mvs $46M-1.6%
Based on last 12 quarters of dataView full earnings history →

CTKB Peer Comparison

Cytek Biosciences, Inc. (CTKB) competitors in Device suppliers, distribution, and services — business model, growth, and fundamentals comparison

Select Columns
Stock Universe
Valuation
Growth
Profitability
Financial Health
Dividends & Buybacks
Price Performance
Technical
Fundamentals ($)
Sector-Specific
Institutional Holdings
CompanyMarket CapStock PriceP/E Ratio (TTM)Revenue Growth 1YNet MarginReturn on Equity (ROE)FCF YieldDebt / Equity
ILMN logoILMNIllumina, Inc.Direct Competitor24.6B161.9329.71-0.78%19.43%32.84%0.94
HOLX logoHOLXHologic, Inc.Direct Competitor16.97B76.0130.531.74%13.18%11.01%0.52
AZTA logoAZTAAzenta, Inc.Direct Competitor1.07B23.31-19.113.55%-29.86%-10.69%0.06
NTRA logoNTRANatera, Inc.Direct Competitor33.14B231.41-152.2435.9%-9.05%-15.13%0.13
BIO logoBIOBio-Rad Laboratories, Inc.Product Competitor7.63B282.4410.130.65%6.52%2.4%0.21
BRKR logoBRKRBruker CorporationProduct Competitor8.71B57.23-381.532.08%-0.34%-0.5%0.81
WAT logoWATWaters CorporationProduct Competitor23.17B355.4433.036.99%11.91%8.04%0.55
TMO logoTMOThermo Fisher Scientific Inc.Product Competitor172.66B464.6126.193.91%15.18%13.23%0.76

Compare CTKB vs Peers

Cytek Biosciences, Inc. (CTKB) vs competitors — business, growth, and fundamentals comparison against the closest industry rivals.

Closest Rival

vs ILMN

Most directly comparable listed peer for CTKB.

Scale Benchmark

vs TMO

Larger-name benchmark to compare CTKB against a more recognizable public peer.

Peer Set

Compare Top 5

vs ILMN, HOLX, AZTA, NTRA

CTKB Income Statement

Cytek Biosciences, Inc. (CTKB) annual income statement — 10-year revenue, gross profit & net income history

10Y historyFree accessUpdated daily
MetricDec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25TTM
Sales/Revenue
57.88M92.84M127.95M164.04M193.01M200.45M201.49M204.17M
Revenue Growth %
-60.39%37.82%28.2%17.67%3.85%0.52%3.61%
Cost of Goods Sold
29.21M41.13M48.81M63.06M83.59M89.35M97.03M98.61M
COGS % of Revenue
50.46%44.3%38.14%38.44%43.31%44.57%48.16%-
Gross Profit
28.67M▲ 0%
51.71M▲ 80.3%
79.14M▲ 53.1%
100.97M▲ 27.6%
109.43M▲ 8.4%
111.11M▲ 1.5%
104.46M▼ 6.0%
105.56M▲ 0%
Gross Margin %
49.54%55.7%61.86%61.56%56.69%55.43%51.84%51.7%
Gross Profit Growth %
-80.34%53.05%27.58%8.37%1.54%-5.98%-
Operating Expenses
45.93M38.05M69.99M102.78M137.27M131.63M144.84M149.43M
OpEx % of Revenue
79.35%40.99%54.7%62.66%71.12%65.67%71.89%-
Selling, General & Admin
16.98M24.36M45.55M67.92M93.12M92.23M108.38M113.08M
SG&A % of Revenue
29.34%26.24%35.6%41.41%48.24%46.01%53.79%-
Research & Development
8.93M13.69M24.44M34.86M44.15M39.4M36.47M36.35M
R&D % of Revenue
15.43%14.75%19.1%21.25%22.87%19.66%18.1%-
Other Operating Expenses
20.02M0000000
Operating Income
-17.26M▲ 0%
13.66M▲ 179.2%
9.16M▼ 33.0%
-1.8M▼ 119.7%
-27.84M▼ 1443.5%
-20.52M▲ 26.3%
-40.38M▼ 96.8%
-43.87M▲ 0%
Operating Margin %
-29.81%14.71%7.16%-1.1%-14.43%-10.24%-20.04%-21.49%
Operating Income Growth %
-179.16%-32.96%-119.7%-1443.51%26.3%-96.77%-
EBITDA
-16.95M14.26M10.4M3.85M-18.61M-10.03M-28.41M-31.97M
EBITDA Margin %
-29.28%15.36%8.13%2.35%-9.64%-5.01%-14.1%-15.66%
EBITDA Growth %
-184.16%-27.09%-62.93%-582.88%46.1%-183.16%-130.82%
D&A (Non-Cash Add-back)
309K603K1.24M5.66M9.23M10.49M11.97M11.9M
EBIT
-16.29M14.76M7.68M3.83M-13.64M-20.52M-29.37M-35.41M
Net Interest Income
710K-223K-1.69M2.05M4.34M10.36M1.74M600K
Interest Income
711K110K49K4.62M6.41M10.36M2.22M2.5M
Interest Expense
1K333K1.74M2.57M2.07M0474K1.9M
Other Income/Expense
962K771K-3.22M3.06M12.14M14.82M10.54M7.92M
Pretax Income
-16.29M▲ 0%
14.43M▲ 188.6%
5.94M▼ 58.8%
1.26M▼ 78.8%
-15.71M▼ 1346.7%
-5.7M▲ 63.7%
-29.84M▼ 423.5%
-35.95M▲ 0%
Pretax Margin %
-28.15%15.54%4.64%0.77%-8.14%-2.84%-14.81%-17.61%
Income Tax
533K-4.98M2.91M-1.22M-3.56M320K36.7M38.05M
Effective Tax Rate %
-3.27%-34.52%49.02%-97.14%22.67%-5.61%-122.98%-105.86%
Net Income
-16.83M▲ 0%
19.41M▲ 215.4%
3M▼ 84.5%
2.58M▼ 14.2%
-12.15M▼ 571.6%
-6.02M▲ 50.4%
-66.54M▼ 1005.3%
-74M▲ 0%
Net Margin %
-29.07%20.91%2.35%1.57%-6.29%-3%-33.02%-36.25%
Net Income Growth %
-215.36%-84.54%-14.16%-571.58%50.44%-1005.3%-557.69%
Net Income (Continuing)
-16.83M19.41M3.03M2.48M-12.15M-6.02M-66.54M-74M
Discontinued Operations
00000000
Minority Interest
00343K251K0000
EPS (Diluted)
-0.13▲ 0%
0.02▲ 118.6%
0.03▲ 36.4%
0.02▼ 43.6%
-0.09▼ 582.8%
-0.05▲ 48.7%
-0.52▼ 1028.0%
-0.58▲ 0%
EPS Growth %
-118.62%36.36%-43.64%-582.8%48.66%-1027.98%-543.14%
EPS (Basic)
-0.130.020.030.02-0.09-0.05-0.52-
Diluted Shares Outstanding
132.99M132.99M133.75M138.56M135.28M130.61M127.75M128.7M
Basic Shares Outstanding
132.99M132.99M133.75M134.51M135.28M130.61M127.75M128.7M
Dividend Payout Ratio
--------

CTKB Balance Sheet

Cytek Biosciences, Inc. (CTKB) balance sheet — assets, liabilities & shareholders' equity

MetricDec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25TTM
Total Current Assets
67.77M208.62M431.73M454.02M392.06M396.45M392M379.3M
Cash & Short-Term Investments
30.12M165.23M364.62M341.15M262.41M277.86M261.53M262.23M
Cash Only
30.12M165.23M364.62M296.6M167.3M98.72M90.85M65.67M
Short-Term Investments
00044.55M95.11M179.15M170.68M196.56M
Accounts Receivable
17.75M18.1M29.63M50.88M56.12M60.59M72.13M56.48M
Days Sales Outstanding
111.971.1884.53113.2106.13110.32130.66110.37
Inventory
18.43M23.02M32.17M48.15M60.88M43.89M48.43M49.79M
Days Inventory Outstanding
230.35204.27240.59278.71265.83179.31182.17184.47
Other Current Assets
419K1.33M708K6.7M2.56M1.97M2.98M3.6M
Total Non-Current Assets
2.6M11.36M31.57M65.46M102.4M103.05M69.55M69.81M
Property, Plant & Equipment
1.04M2.14M5.85M27.57M29.26M28.13M29.32M31.11M
Fixed Asset Turnover
55.60x43.38x21.87x5.95x6.60x7.13x6.87x6.57x
Goodwill
476K476K10.14M10.14M16.18M16.66M16.7M16.69M
Intangible Assets
263K274K4.74M4.33M23.08M20.13M16.82M15.7M
Long-Term Investments
00001.6M1.6M03.2M
Other Non-Current Assets
816K1.09M1.67M2.96M1.78M3.16M6.7M4.71M
Total Assets
70.36M▲ 0%
219.98M▲ 212.6%
463.31M▲ 110.6%
519.48M▲ 12.1%
494.46M▼ 4.8%
499.5M▲ 1.0%
461.54M▼ 7.6%
449.11M▲ 0%
Asset Turnover
0.82x0.42x0.28x0.32x0.39x0.40x0.44x0.43x
Asset Growth %
-212.64%110.61%12.12%-4.82%1.02%-7.6%-11.8%
Total Current Liabilities
21.04M26.54M33.18M49.04M56.23M67.66M77.8M80.94M
Accounts Payable
2.34M2.94M3.03M4.8M3.03M5.53M6.41M6.74M
Days Payables Outstanding
29.2726.1322.6927.8113.2422.5924.1125.57
Short-Term Debt
02.77M0580K565K4.66M6.3M15.86M
Deferred Revenue (Current)
3.47M4.29M8.1M14.54M22.7M26.61M29.57M118.35M
Other Current Liabilities
10.51M12.01M12.04M17.3M21.2M1.86M18.14M16.43M
Current Ratio
3.22x7.86x13.01x9.26x6.97x5.86x5.04x4.69x
Quick Ratio
2.34x6.99x12.04x8.28x5.89x5.21x4.42x4.07x
Cash Conversion Cycle
312.99249.32302.44364.11358.71267.05288.71269.26
Total Non-Current Liabilities
91.02M209.47M24.74M44.89M45.17M36.1M42M40.53M
Long-Term Debt
0002.27M1.65M1.05M525K7.02M
Capital Lease Obligations
00012.31M9.48M7.55M14.04M55.1M
Deferred Tax Liabilities
00000000
Other Non-Current Liabilities
89.24M206.01M14.95M17.18M18.91M11.4M9.09M2.4M
Total Liabilities
112.06M236.01M57.92M93.93M101.39M103.76M119.8M121.47M
Total Debt
02.77M018.09M14.14M17.02M23.74M36.33M
Net Debt
-30.12M-162.46M-364.62M-278.51M-153.16M-81.7M-67.11M-29.34M
Debt / Equity
---0.04x0.04x0.04x0.07x0.11x
Debt / EBITDA
-0.19x-4.69x----1.14x
Net Debt / EBITDA
--11.39x-35.06x-72.25x---0.92x
Interest Coverage
-16293.00x44.33x4.41x1.49x-6.59x--61.96x-18.68x
Total Equity
-41.7M▲ 0%
-16.03M▲ 61.6%
405.38M▲ 2629.2%
425.55M▲ 5.0%
393.06M▼ 7.6%
395.74M▲ 0.7%
341.74M▼ 13.6%
327.64M▲ 0%
Equity Growth %
-61.56%2629.23%4.97%-7.63%0.68%-13.64%-32.1%
Book Value per Share
-0.31-0.123.033.072.913.032.682.55
Total Shareholders' Equity
-41.7M-16.03M405.04M425.3M393.06M395.74M341.74M327.64M
Common Stock
21K23K126K135K131K129K129K129K
Retained Earnings
-42.02M-22.61M-19.61M-17.03M-29.18M-35.2M-101.74M-120.6M
Treasury Stock
00000000
Accumulated OCI
-147K65K897K-697K-1.27M16K2.24M2.37M
Minority Interest
00343K251K0000

CTKB Cash Flow Statement

Cytek Biosciences, Inc. (CTKB) cash flow — operating, investing & free cash flow history

MetricDec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25TTM
Cash from Operations
-13.75M15.16M4.63M-12.23M5.28M25.38M-4.69M-7.3M
Operating CF Margin %
-23.75%16.32%3.62%-7.46%2.74%12.66%-2.33%-
Operating CF Growth %
-210.25%-69.45%-364.17%143.18%380.57%-118.46%-2455.15%
Net Income
-16.83M19.41M3.03M2.48M-12.15M-6.02M-66.54M-74M
Depreciation & Amortization
309K603K1.24M5.66M9.23M10.49M11.97M11.9M
Stock-Based Compensation
269K611K6.59M16.59M22.05M26.85M24.59M22.82M
Deferred Taxes
00000-2.89M33.56M33.71M
Other Non-Cash Items
1.34M2.07M2.42M2.96M-3.34M-10.77M-3.47M-2.9M
Working Capital Changes
1.16M-7.54M-8.65M-39.93M-10.51M7.71M-4.79M1.18M
Change in Receivables
-12.61M334K-12.37M-19.74M-7.33M-5.43M368K3.56M
Change in Inventory
-14.61M-5.7M-7.07M-17.65M4.29M14.76M-5.24M-5.37M
Change in Payables
1.21M-55K-256K1.86M-1.78M2.58M448K428K
Cash from Investing
-973K-1.55M-20.99M-55.91M-93.89M-82.97M10.12M-26.41M
Capital Expenditures
-973K-1.55M-4.36M-9.75M-4.65M-3.52M-4.08M-5.4M
CapEx % of Revenue
1.68%1.67%3.41%5.94%2.41%1.76%2.03%2.65%
Acquisitions
00-16.63M0-45.13M-471K252K0
Investments
--------
Other Investing
000-120K-179K84K-107K87K
Cash from Financing
93K122.61M213.56M5.51M-41.81M-15.82M-13.43M2.09M
Debt Issued (Net)
02.77M-2.77M2.93M-565K3.62M837K5.86M
Equity Issued (Net)
0119.67M215.69M0-44.15M-21.61M-13.6M-3.13M
Dividends Paid
00000000
Share Repurchases
0000-44.15M-21.61M-15.07M-4.45M
Other Financing
93K169K642K2.58M2.9M2.17M-669K-642K
Net Change in Cash
-14.66M▲ 0%
135.63M▲ 1025.2%
198.5M▲ 46.4%
-65.12M▼ 132.8%
-131.87M▼ 102.5%
-68.89M▲ 47.8%
-7.89M▲ 88.5%
-29.63M▲ 0%
Free Cash Flow
-14.72M▲ 0%
13.61M▲ 192.5%
266K▼ 98.0%
-22.1M▼ 8407.9%
454K▲ 102.1%
21.85M▲ 4713.7%
-8.77M▼ 140.1%
-12.7M▲ 0%
FCF Margin %
-25.43%14.66%0.21%-13.47%0.24%10.9%-4.35%-6.22%
FCF Growth %
-192.45%-98.05%-8407.89%102.05%4713.66%-140.13%-172.42%
FCF per Share
-0.110.100.00-0.160.000.17-0.07-0.10
FCF Conversion (FCF/Net Income)
0.82x0.78x1.54x-4.75x-0.43x-4.22x0.07x0.17x
Interest Paid
00000000
Taxes Paid
144K2.07M2.86M10.39M5.3M3.83M025K

CTKB Key Ratios

Cytek Biosciences, Inc. (CTKB) financial ratios — P/E, ROE, debt and 30+ core market and balance-sheet ratios

Metric202020212022202320242025TTM
Return on Equity (ROE)
-1.54%0.62%-2.97%-1.53%-18.05%-20.77%
Return on Invested Capital (ROIC)
-16.85%-1.44%-10.79%-5.56%-10.29%-10.8%
Gross Margin
55.7%61.86%61.56%56.69%55.43%51.84%51.7%
Net Margin
20.91%2.35%1.57%-6.29%-3%-33.02%-36.25%
Debt / Equity
--0.04x0.04x0.04x0.07x0.11x
Interest Coverage
44.33x4.41x1.49x-6.59x--61.96x-18.68x
FCF Conversion
0.78x1.54x-4.75x-0.43x-4.22x0.07x0.17x
Revenue Growth
60.39%37.82%28.2%17.67%3.85%0.52%3.61%
Related:CTKB Dividend History·CTKB Revenue History·CTKB Price History·CTKB P/E History·CTKB Financial Ratios·CTKB Institutional Holders

CTKB SEC Filings & Documents

Cytek Biosciences, Inc. (CTKB) SEC filings — annual & quarterly reports (10-K, 10-Q)

8-K Announcements

6
Material company update

May 7, 2026·SEC

Material company update

Feb 26, 2026·SEC

Material company update

Jan 13, 2026·SEC

10-K Annual Reports

3
FY 2026

Feb 26, 2026·SEC

FY 2025

Feb 28, 2025·SEC

FY 2024

Mar 13, 2024·SEC

10-Q Quarterly Reports

6
FY 2026

May 7, 2026·SEC

FY 2025

Nov 5, 2025·SEC

FY 2025

Aug 6, 2025·SEC

CTKB Frequently Asked Questions

Cytek Biosciences, Inc. (CTKB) stock FAQ — growth, dividends, profitability & financials explained

Growth & Financials

Cytek Biosciences, Inc. (CTKB) reported $204.2M in revenue for fiscal year 2025. This represents a 253% increase from $57.9M in 2019.

Cytek Biosciences, Inc. (CTKB) grew revenue by 0.5% over the past year. Growth has been modest.

Cytek Biosciences, Inc. (CTKB) reported a net loss of $74.0M for fiscal year 2025.

Dividend & Returns

Cytek Biosciences, Inc. (CTKB) has a return on equity (ROE) of -18.0%. Negative ROE indicates the company is unprofitable.

Cytek Biosciences, Inc. (CTKB) had negative free cash flow of $12.7M in fiscal year 2025, likely due to heavy capital investments.

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