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Side-by-side financial comparison of Cytek Biosciences, Inc. (CTKB) and Ranpak Holdings Corp. (PACK). Click either name above to swap in a different company.

Ranpak Holdings Corp. is the larger business by last-quarter revenue ($93.7M vs $62.1M, roughly 1.5× Cytek Biosciences, Inc.). On growth, Cytek Biosciences, Inc. posted the faster year-over-year revenue change (8.1% vs 2.3%). Over the past eight quarters, Cytek Biosciences, Inc.'s revenue compounded faster (17.7% CAGR vs 13.7%).

Cytek Biosciences, Inc. develops, manufactures and sells high-performance flow cytometry systems, associated reagents and analysis software. Its solutions serve life science research, clinical diagnostics and biopharmaceutical sectors, with a global customer base across North America, Europe and the Asia-Pacific region.

Ranpak Holdings Corp. manufactures machines and paper products used in protective paper-based packing for shipping goods and merchandise for e-commerce and industry, along with automation solutions. The company is based in Concord, Ohio, and has production facilities and offices in Reno, Nevada; Kansas City, Missouri; the Netherlands; Czech Republic; Shanghai and Singapore. The paper packaging material can be used for multiple applications like wrapping, cushioning, void fill and cold chain p...

CTKB vs PACK — Head-to-Head

Bigger by revenue
PACK
PACK
1.5× larger
PACK
$93.7M
$62.1M
CTKB
Growing faster (revenue YoY)
CTKB
CTKB
+5.8% gap
CTKB
8.1%
2.3%
PACK
Faster 2-yr revenue CAGR
CTKB
CTKB
Annualised
CTKB
17.7%
13.7%
PACK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CTKB
CTKB
PACK
PACK
Revenue
$62.1M
$93.7M
Net Profit
$-44.1M
Gross Margin
52.9%
39.0%
Operating Margin
-9.0%
-1.0%
Net Margin
-70.9%
Revenue YoY
8.1%
2.3%
Net Profit YoY
-557.1%
EPS (diluted)
$-0.11

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CTKB
CTKB
PACK
PACK
Q4 25
$62.1M
$93.7M
Q3 25
$52.3M
$83.6M
Q2 25
$45.6M
$77.8M
Q1 25
$41.5M
$77.6M
Q4 24
$57.5M
$91.6M
Q3 24
$51.5M
$78.6M
Q2 24
$46.6M
$72.8M
Q1 24
$44.9M
$72.5M
Net Profit
CTKB
CTKB
PACK
PACK
Q4 25
$-44.1M
Q3 25
$-5.5M
$-10.4M
Q2 25
$-5.6M
$-7.5M
Q1 25
$-11.4M
$-10.9M
Q4 24
$9.6M
Q3 24
$941.0K
$-8.1M
Q2 24
$-10.4M
$5.5M
Q1 24
$-6.2M
$-8.1M
Gross Margin
CTKB
CTKB
PACK
PACK
Q4 25
52.9%
39.0%
Q3 25
52.7%
41.1%
Q2 25
52.3%
37.1%
Q1 25
48.6%
39.8%
Q4 24
58.5%
45.2%
Q3 24
56.3%
43.8%
Q2 24
54.6%
43.5%
Q1 24
51.3%
44.6%
Operating Margin
CTKB
CTKB
PACK
PACK
Q4 25
-9.0%
-1.0%
Q3 25
-17.6%
-6.8%
Q2 25
-23.3%
-12.5%
Q1 25
-36.1%
-10.3%
Q4 24
5.2%
1.5%
Q3 24
-8.2%
-5.3%
Q2 24
-18.3%
-7.1%
Q1 24
-23.9%
-6.6%
Net Margin
CTKB
CTKB
PACK
PACK
Q4 25
-70.9%
Q3 25
-10.5%
-12.4%
Q2 25
-12.2%
-9.6%
Q1 25
-27.5%
-14.0%
Q4 24
16.8%
Q3 24
1.8%
-10.3%
Q2 24
-22.4%
7.6%
Q1 24
-13.8%
-11.2%
EPS (diluted)
CTKB
CTKB
PACK
PACK
Q4 25
$-0.11
Q3 25
$-0.12
Q2 25
$-0.09
Q1 25
$-0.13
Q4 24
$-0.13
Q3 24
$-0.10
Q2 24
$0.07
Q1 24
$-0.10

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CTKB
CTKB
PACK
PACK
Cash + ST InvestmentsLiquidity on hand
$90.9M
$63.0M
Total DebtLower is stronger
$401.9M
Stockholders' EquityBook value
$341.7M
$534.9M
Total Assets
$461.5M
$1.1B
Debt / EquityLower = less leverage
0.75×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTKB
CTKB
PACK
PACK
Q4 25
$90.9M
$63.0M
Q3 25
$93.3M
$49.9M
Q2 25
$75.5M
$49.2M
Q1 25
$95.3M
$65.5M
Q4 24
$98.7M
$76.1M
Q3 24
$162.3M
$69.5M
Q2 24
$177.9M
$65.1M
Q1 24
$168.8M
$55.1M
Total Debt
CTKB
CTKB
PACK
PACK
Q4 25
$401.9M
Q3 25
$403.1M
Q2 25
$403.1M
Q1 25
$405.2M
Q4 24
$406.4M
Q3 24
$403.2M
Q2 24
$396.1M
Q1 24
$396.7M
Stockholders' Equity
CTKB
CTKB
PACK
PACK
Q4 25
$341.7M
$534.9M
Q3 25
$378.6M
$537.8M
Q2 25
$377.6M
$539.0M
Q1 25
$379.6M
$544.1M
Q4 24
$395.7M
$548.1M
Q3 24
$385.5M
$564.3M
Q2 24
$389.1M
$566.2M
Q1 24
$392.6M
$560.0M
Total Assets
CTKB
CTKB
PACK
PACK
Q4 25
$461.5M
$1.1B
Q3 25
$494.9M
$1.1B
Q2 25
$493.3M
$1.1B
Q1 25
$482.6M
$1.1B
Q4 24
$499.5M
$1.1B
Q3 24
$491.2M
$1.1B
Q2 24
$483.7M
$1.1B
Q1 24
$492.1M
$1.1B
Debt / Equity
CTKB
CTKB
PACK
PACK
Q4 25
0.75×
Q3 25
0.75×
Q2 25
0.75×
Q1 25
0.74×
Q4 24
0.74×
Q3 24
0.71×
Q2 24
0.70×
Q1 24
0.71×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CTKB
CTKB
PACK
PACK
Operating Cash FlowLast quarter
$-771.0K
$19.5M
Free Cash FlowOCF − Capex
$-1.8M
FCF MarginFCF / Revenue
-2.9%
Capex IntensityCapex / Revenue
1.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-8.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTKB
CTKB
PACK
PACK
Q4 25
$-771.0K
$19.5M
Q3 25
$-3.9M
$8.5M
Q2 25
$108.0K
$-3.6M
Q1 25
$-125.0K
$-1.3M
Q4 24
$2.0M
$6.5M
Q3 24
$13.2M
$10.1M
Q2 24
$6.2M
$19.6M
Q1 24
$4.0M
$5.2M
Free Cash Flow
CTKB
CTKB
PACK
PACK
Q4 25
$-1.8M
Q3 25
$-4.6M
Q2 25
$-1.5M
Q1 25
$-974.0K
Q4 24
$1.1M
Q3 24
$12.2M
Q2 24
$5.2M
Q1 24
$3.4M
FCF Margin
CTKB
CTKB
PACK
PACK
Q4 25
-2.9%
Q3 25
-8.7%
Q2 25
-3.2%
Q1 25
-2.3%
Q4 24
1.9%
Q3 24
23.7%
Q2 24
11.0%
Q1 24
7.6%
Capex Intensity
CTKB
CTKB
PACK
PACK
Q4 25
1.6%
Q3 25
1.3%
Q2 25
3.5%
Q1 25
2.0%
Q4 24
1.6%
Q3 24
2.0%
Q2 24
2.3%
Q1 24
1.3%
Cash Conversion
CTKB
CTKB
PACK
PACK
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
0.21×
Q3 24
14.05×
Q2 24
3.56×
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CTKB
CTKB

Products$46.6M75%
Services$15.5M25%

PACK
PACK

Other$47.9M51%
Europe And Asia Segment$45.8M49%

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