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Side-by-side financial comparison of Cytek Biosciences, Inc. (CTKB) and FIRST BUSINESS FINANCIAL SERVICES, INC. (FBIZ). Click either name above to swap in a different company.

Cytek Biosciences, Inc. is the larger business by last-quarter revenue ($62.1M vs $44.3M, roughly 1.4× FIRST BUSINESS FINANCIAL SERVICES, INC.). FIRST BUSINESS FINANCIAL SERVICES, INC. runs the higher net margin — 27.5% vs -70.9%, a 98.5% gap on every dollar of revenue. On growth, FIRST BUSINESS FINANCIAL SERVICES, INC. posted the faster year-over-year revenue change (8.5% vs 8.1%). Over the past eight quarters, Cytek Biosciences, Inc.'s revenue compounded faster (17.7% CAGR vs 8.0%).

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.

The PNC Financial Services Group, Inc. is an American bank holding company and financial services corporation based in Pittsburgh, Pennsylvania. Its banking subsidiary, PNC Bank, operates in 27 states and the District of Columbia, with 2,629 branches and 9,523 ATMs. PNC Bank is one of the largest banks in the US by assets and by number of branches, deposits, and ATMs.

CTKB vs FBIZ — Head-to-Head

Bigger by revenue
CTKB
CTKB
1.4× larger
CTKB
$62.1M
$44.3M
FBIZ
Growing faster (revenue YoY)
FBIZ
FBIZ
+0.3% gap
FBIZ
8.5%
8.1%
CTKB
Higher net margin
FBIZ
FBIZ
98.5% more per $
FBIZ
27.5%
-70.9%
CTKB
Faster 2-yr revenue CAGR
CTKB
CTKB
Annualised
CTKB
17.7%
8.0%
FBIZ

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CTKB
CTKB
FBIZ
FBIZ
Revenue
$62.1M
$44.3M
Net Profit
$-44.1M
$12.2M
Gross Margin
52.9%
Operating Margin
-9.0%
Net Margin
-70.9%
27.5%
Revenue YoY
8.1%
8.5%
Net Profit YoY
-557.1%
9.2%
EPS (diluted)
$1.44

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
FBIZ
FBIZ
Q1 26
$44.3M
Q4 25
$62.1M
$42.2M
Q3 25
$52.3M
$44.5M
Q2 25
$45.6M
$41.0M
Q1 25
$41.5M
$40.8M
Q4 24
$57.5M
$41.2M
Q3 24
$51.5M
$38.1M
Q2 24
$46.6M
$38.0M
Net Profit
CTKB
CTKB
FBIZ
FBIZ
Q1 26
$12.2M
Q4 25
$-44.1M
$13.3M
Q3 25
$-5.5M
$14.4M
Q2 25
$-5.6M
$11.4M
Q1 25
$-11.4M
$11.2M
Q4 24
$9.6M
$14.4M
Q3 24
$941.0K
$10.5M
Q2 24
$-10.4M
$10.5M
Gross Margin
CTKB
CTKB
FBIZ
FBIZ
Q1 26
Q4 25
52.9%
Q3 25
52.7%
Q2 25
52.3%
Q1 25
48.6%
Q4 24
58.5%
Q3 24
56.3%
Q2 24
54.6%
Operating Margin
CTKB
CTKB
FBIZ
FBIZ
Q1 26
Q4 25
-9.0%
38.5%
Q3 25
-17.6%
39.0%
Q2 25
-23.3%
32.6%
Q1 25
-36.1%
33.0%
Q4 24
5.2%
37.2%
Q3 24
-8.2%
33.8%
Q2 24
-18.3%
32.6%
Net Margin
CTKB
CTKB
FBIZ
FBIZ
Q1 26
27.5%
Q4 25
-70.9%
31.6%
Q3 25
-10.5%
32.3%
Q2 25
-12.2%
27.8%
Q1 25
-27.5%
27.4%
Q4 24
16.8%
35.0%
Q3 24
1.8%
27.6%
Q2 24
-22.4%
27.5%
EPS (diluted)
CTKB
CTKB
FBIZ
FBIZ
Q1 26
$1.44
Q4 25
$1.57
Q3 25
$1.70
Q2 25
$1.35
Q1 25
$1.32
Q4 24
$1.69
Q3 24
$1.24
Q2 24
$1.23

Balance Sheet & Financial Strength

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

Metric
CTKB
CTKB
FBIZ
FBIZ
Cash + ST InvestmentsLiquidity on hand
$90.9M
$265.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$341.7M
Total Assets
$461.5M
$4.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTKB
CTKB
FBIZ
FBIZ
Q1 26
$265.8M
Q4 25
$90.9M
$39.5M
Q3 25
$93.3M
$44.3M
Q2 25
$75.5M
$123.2M
Q1 25
$95.3M
$170.6M
Q4 24
$98.7M
$157.7M
Q3 24
$162.3M
$132.0M
Q2 24
$177.9M
$81.1M
Stockholders' Equity
CTKB
CTKB
FBIZ
FBIZ
Q1 26
Q4 25
$341.7M
$371.6M
Q3 25
$378.6M
$358.3M
Q2 25
$377.6M
$344.8M
Q1 25
$379.6M
$336.1M
Q4 24
$395.7M
$328.6M
Q3 24
$385.5M
$312.0M
Q2 24
$389.1M
$305.2M
Total Assets
CTKB
CTKB
FBIZ
FBIZ
Q1 26
$4.3B
Q4 25
$461.5M
$4.1B
Q3 25
$494.9M
$4.0B
Q2 25
$493.3M
$4.0B
Q1 25
$482.6M
$3.9B
Q4 24
$499.5M
$3.9B
Q3 24
$491.2M
$3.7B
Q2 24
$483.7M
$3.9B

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
FBIZ
FBIZ
Operating Cash FlowLast quarter
$-771.0K
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
FBIZ
FBIZ
Q1 26
Q4 25
$-771.0K
$61.7M
Q3 25
$-3.9M
$18.4M
Q2 25
$108.0K
$15.8M
Q1 25
$-125.0K
$11.3M
Q4 24
$2.0M
$57.5M
Q3 24
$13.2M
$13.8M
Q2 24
$6.2M
$13.1M
Free Cash Flow
CTKB
CTKB
FBIZ
FBIZ
Q1 26
Q4 25
$-1.8M
$61.1M
Q3 25
$-4.6M
$18.3M
Q2 25
$-1.5M
$15.5M
Q1 25
$-974.0K
$11.2M
Q4 24
$1.1M
$57.3M
Q3 24
$12.2M
$13.2M
Q2 24
$5.2M
$12.7M
FCF Margin
CTKB
CTKB
FBIZ
FBIZ
Q1 26
Q4 25
-2.9%
144.7%
Q3 25
-8.7%
41.0%
Q2 25
-3.2%
37.8%
Q1 25
-2.3%
27.5%
Q4 24
1.9%
139.2%
Q3 24
23.7%
34.6%
Q2 24
11.0%
33.3%
Capex Intensity
CTKB
CTKB
FBIZ
FBIZ
Q1 26
Q4 25
1.6%
1.4%
Q3 25
1.3%
0.3%
Q2 25
3.5%
0.8%
Q1 25
2.0%
0.2%
Q4 24
1.6%
0.5%
Q3 24
2.0%
1.6%
Q2 24
2.3%
1.1%
Cash Conversion
CTKB
CTKB
FBIZ
FBIZ
Q1 26
Q4 25
4.63×
Q3 25
1.28×
Q2 25
1.39×
Q1 25
1.01×
Q4 24
0.21×
3.99×
Q3 24
14.05×
1.31×
Q2 24
1.25×

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%

FBIZ
FBIZ

Segment breakdown not available.

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