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Side-by-side financial comparison of Cytek Biosciences, Inc. (CTKB) and DIGI INTERNATIONAL INC (DGII). Click either name above to swap in a different company.

DIGI INTERNATIONAL INC is the larger business by last-quarter revenue ($122.5M vs $62.1M, roughly 2.0× Cytek Biosciences, Inc.). DIGI INTERNATIONAL INC runs the higher net margin — 9.6% vs -70.9%, a 80.5% gap on every dollar of revenue. On growth, DIGI INTERNATIONAL INC posted the faster year-over-year revenue change (17.9% vs 8.1%). DIGI INTERNATIONAL INC produced more free cash flow last quarter ($35.2M vs $-1.8M). Over the past eight quarters, Cytek Biosciences, Inc.'s revenue compounded faster (17.7% CAGR vs 6.6%).

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.

Digi International, Inc. is an American Industrial Internet of Things (IIoT) technology company based in Hopkins, Minnesota. Founded in 1985, they were best known in the early 1990s as a manufacturer of multi-line serial data serial cards for PC clones, allowing these machines to run multi-line bulletin board systems (BBSes). As this market began to wind down with the rise of the internet in the late 1990s, Digi began to concentrate on network attached devices and industrial monitoring.

CTKB vs DGII — Head-to-Head

Bigger by revenue
DGII
DGII
2.0× larger
DGII
$122.5M
$62.1M
CTKB
Growing faster (revenue YoY)
DGII
DGII
+9.8% gap
DGII
17.9%
8.1%
CTKB
Higher net margin
DGII
DGII
80.5% more per $
DGII
9.6%
-70.9%
CTKB
More free cash flow
DGII
DGII
$36.9M more FCF
DGII
$35.2M
$-1.8M
CTKB
Faster 2-yr revenue CAGR
CTKB
CTKB
Annualised
CTKB
17.7%
6.6%
DGII

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CTKB
CTKB
DGII
DGII
Revenue
$62.1M
$122.5M
Net Profit
$-44.1M
$11.7M
Gross Margin
52.9%
62.4%
Operating Margin
-9.0%
13.3%
Net Margin
-70.9%
9.6%
Revenue YoY
8.1%
17.9%
Net Profit YoY
-557.1%
16.1%
EPS (diluted)
$0.31

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
DGII
DGII
Q4 25
$62.1M
$122.5M
Q3 25
$52.3M
$114.3M
Q2 25
$45.6M
$107.5M
Q1 25
$41.5M
$104.5M
Q4 24
$57.5M
$103.9M
Q3 24
$51.5M
$105.1M
Q2 24
$46.6M
$105.2M
Q1 24
$44.9M
$107.7M
Net Profit
CTKB
CTKB
DGII
DGII
Q4 25
$-44.1M
$11.7M
Q3 25
$-5.5M
$10.0M
Q2 25
$-5.6M
$10.2M
Q1 25
$-11.4M
$10.5M
Q4 24
$9.6M
$10.1M
Q3 24
$941.0K
$11.9M
Q2 24
$-10.4M
$9.7M
Q1 24
$-6.2M
$4.0M
Gross Margin
CTKB
CTKB
DGII
DGII
Q4 25
52.9%
62.4%
Q3 25
52.7%
63.9%
Q2 25
52.3%
63.5%
Q1 25
48.6%
62.1%
Q4 24
58.5%
62.0%
Q3 24
56.3%
61.1%
Q2 24
54.6%
59.2%
Q1 24
51.3%
57.9%
Operating Margin
CTKB
CTKB
DGII
DGII
Q4 25
-9.0%
13.3%
Q3 25
-17.6%
12.5%
Q2 25
-23.3%
13.9%
Q1 25
-36.1%
13.1%
Q4 24
5.2%
12.9%
Q3 24
-8.2%
14.2%
Q2 24
-18.3%
12.3%
Q1 24
-23.9%
7.6%
Net Margin
CTKB
CTKB
DGII
DGII
Q4 25
-70.9%
9.6%
Q3 25
-10.5%
8.7%
Q2 25
-12.2%
9.5%
Q1 25
-27.5%
10.0%
Q4 24
16.8%
9.7%
Q3 24
1.8%
11.3%
Q2 24
-22.4%
9.2%
Q1 24
-13.8%
3.7%
EPS (diluted)
CTKB
CTKB
DGII
DGII
Q4 25
$0.31
Q3 25
$0.26
Q2 25
$0.27
Q1 25
$0.28
Q4 24
$0.27
Q3 24
$0.32
Q2 24
$0.26
Q1 24
$0.11

Balance Sheet & Financial Strength

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

Metric
CTKB
CTKB
DGII
DGII
Cash + ST InvestmentsLiquidity on hand
$90.9M
$30.9M
Total DebtLower is stronger
$135.0M
Stockholders' EquityBook value
$341.7M
$649.2M
Total Assets
$461.5M
$918.4M
Debt / EquityLower = less leverage
0.21×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTKB
CTKB
DGII
DGII
Q4 25
$90.9M
$30.9M
Q3 25
$93.3M
$21.9M
Q2 25
$75.5M
$20.1M
Q1 25
$95.3M
$26.3M
Q4 24
$98.7M
$25.9M
Q3 24
$162.3M
$27.5M
Q2 24
$177.9M
$28.3M
Q1 24
$168.8M
$23.8M
Total Debt
CTKB
CTKB
DGII
DGII
Q4 25
$135.0M
Q3 25
$159.2M
Q2 25
$40.1M
Q1 25
$70.0M
Q4 24
$95.0M
Q3 24
$123.2M
Q2 24
$151.6M
Q1 24
$171.8M
Stockholders' Equity
CTKB
CTKB
DGII
DGII
Q4 25
$341.7M
$649.2M
Q3 25
$378.6M
$636.1M
Q2 25
$377.6M
$621.5M
Q1 25
$379.6M
$605.2M
Q4 24
$395.7M
$590.7M
Q3 24
$385.5M
$581.0M
Q2 24
$389.1M
$563.1M
Q1 24
$392.6M
$549.6M
Total Assets
CTKB
CTKB
DGII
DGII
Q4 25
$461.5M
$918.4M
Q3 25
$494.9M
$922.6M
Q2 25
$493.3M
$770.3M
Q1 25
$482.6M
$781.0M
Q4 24
$499.5M
$796.1M
Q3 24
$491.2M
$815.1M
Q2 24
$483.7M
$820.4M
Q1 24
$492.1M
$825.3M
Debt / Equity
CTKB
CTKB
DGII
DGII
Q4 25
0.21×
Q3 25
0.25×
Q2 25
0.06×
Q1 25
0.12×
Q4 24
0.16×
Q3 24
0.21×
Q2 24
0.27×
Q1 24
0.31×

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
DGII
DGII
Operating Cash FlowLast quarter
$-771.0K
$35.6M
Free Cash FlowOCF − Capex
$-1.8M
$35.2M
FCF MarginFCF / Revenue
-2.9%
28.7%
Capex IntensityCapex / Revenue
1.6%
0.4%
Cash ConversionOCF / Net Profit
3.04×
TTM Free Cash FlowTrailing 4 quarters
$-8.8M
$111.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTKB
CTKB
DGII
DGII
Q4 25
$-771.0K
$35.6M
Q3 25
$-3.9M
$28.0M
Q2 25
$108.0K
$24.0M
Q1 25
$-125.0K
$26.3M
Q4 24
$2.0M
$29.7M
Q3 24
$13.2M
$26.4M
Q2 24
$6.2M
$24.9M
Q1 24
$4.0M
$13.1M
Free Cash Flow
CTKB
CTKB
DGII
DGII
Q4 25
$-1.8M
$35.2M
Q3 25
$-4.6M
$27.5M
Q2 25
$-1.5M
$22.9M
Q1 25
$-974.0K
$25.7M
Q4 24
$1.1M
$29.1M
Q3 24
$12.2M
$25.5M
Q2 24
$5.2M
$24.5M
Q1 24
$3.4M
$12.5M
FCF Margin
CTKB
CTKB
DGII
DGII
Q4 25
-2.9%
28.7%
Q3 25
-8.7%
24.1%
Q2 25
-3.2%
21.3%
Q1 25
-2.3%
24.6%
Q4 24
1.9%
28.1%
Q3 24
23.7%
24.3%
Q2 24
11.0%
23.2%
Q1 24
7.6%
11.6%
Capex Intensity
CTKB
CTKB
DGII
DGII
Q4 25
1.6%
0.4%
Q3 25
1.3%
0.4%
Q2 25
3.5%
0.9%
Q1 25
2.0%
0.5%
Q4 24
1.6%
0.6%
Q3 24
2.0%
0.9%
Q2 24
2.3%
0.5%
Q1 24
1.3%
0.5%
Cash Conversion
CTKB
CTKB
DGII
DGII
Q4 25
3.04×
Q3 25
2.81×
Q2 25
2.34×
Q1 25
2.50×
Q4 24
0.21×
2.95×
Q3 24
14.05×
2.23×
Q2 24
2.57×
Q1 24
3.27×

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%

DGII
DGII

Io T Productsand Services$86.4M71%
Io T Solutions$36.1M29%

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