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Side-by-side financial comparison of AST SpaceMobile, Inc. (ASTS) and Cytek Biosciences, Inc. (CTKB). Click either name above to swap in a different company.

Cytek Biosciences, Inc. is the larger business by last-quarter revenue ($62.1M vs $54.3M, roughly 1.1× AST SpaceMobile, Inc.). Cytek Biosciences, Inc. runs the higher net margin — -70.9% vs -136.2%, a 65.3% gap on every dollar of revenue. On growth, AST SpaceMobile, Inc. posted the faster year-over-year revenue change (2758.2% vs 8.1%). Cytek Biosciences, Inc. produced more free cash flow last quarter ($-1.8M vs $-330.7M).

AST SpaceMobile, Inc. is a publicly traded satellite designer and manufacturer based in Midland, Texas, United States. The company is building the SpaceMobile satellite constellation, a space-based cellular broadband network designed to connect directly to standard, unmodified smartphones. The network is intended to deliver 4G and 5G broadband coverage globally, particularly in remote and underserved regions.

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.

ASTS vs CTKB — Head-to-Head

Bigger by revenue
CTKB
CTKB
1.1× larger
CTKB
$62.1M
$54.3M
ASTS
Growing faster (revenue YoY)
ASTS
ASTS
+2750.0% gap
ASTS
2758.2%
8.1%
CTKB
Higher net margin
CTKB
CTKB
65.3% more per $
CTKB
-70.9%
-136.2%
ASTS
More free cash flow
CTKB
CTKB
$329.0M more FCF
CTKB
$-1.8M
$-330.7M
ASTS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ASTS
ASTS
CTKB
CTKB
Revenue
$54.3M
$62.1M
Net Profit
$-74.0M
$-44.1M
Gross Margin
52.9%
Operating Margin
-175.0%
-9.0%
Net Margin
-136.2%
-70.9%
Revenue YoY
2758.2%
8.1%
Net Profit YoY
-106.3%
-557.1%
EPS (diluted)

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
ASTS
ASTS
CTKB
CTKB
Q4 25
$54.3M
$62.1M
Q3 25
$14.7M
$52.3M
Q2 25
$45.6M
Q1 25
$41.5M
Q4 24
$57.5M
Q3 24
$51.5M
Q2 24
$46.6M
Q1 24
$44.9M
Net Profit
ASTS
ASTS
CTKB
CTKB
Q4 25
$-74.0M
$-44.1M
Q3 25
$-122.9M
$-5.5M
Q2 25
$-5.6M
Q1 25
$-11.4M
Q4 24
$9.6M
Q3 24
$941.0K
Q2 24
$-10.4M
Q1 24
$-6.2M
Gross Margin
ASTS
ASTS
CTKB
CTKB
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%
Q1 24
51.3%
Operating Margin
ASTS
ASTS
CTKB
CTKB
Q4 25
-175.0%
-9.0%
Q3 25
-1109.0%
-17.6%
Q2 25
-23.3%
Q1 25
-36.1%
Q4 24
5.2%
Q3 24
-8.2%
Q2 24
-18.3%
Q1 24
-23.9%
Net Margin
ASTS
ASTS
CTKB
CTKB
Q4 25
-136.2%
-70.9%
Q3 25
-833.7%
-10.5%
Q2 25
-12.2%
Q1 25
-27.5%
Q4 24
16.8%
Q3 24
1.8%
Q2 24
-22.4%
Q1 24
-13.8%

Balance Sheet & Financial Strength

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

Metric
ASTS
ASTS
CTKB
CTKB
Cash + ST InvestmentsLiquidity on hand
$4.3B
$90.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.4B
$341.7M
Total Assets
$5.0B
$461.5M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASTS
ASTS
CTKB
CTKB
Q4 25
$4.3B
$90.9M
Q3 25
$2.4B
$93.3M
Q2 25
$75.5M
Q1 25
$95.3M
Q4 24
$98.7M
Q3 24
$162.3M
Q2 24
$177.9M
Q1 24
$168.8M
Stockholders' Equity
ASTS
ASTS
CTKB
CTKB
Q4 25
$2.4B
$341.7M
Q3 25
$1.6B
$378.6M
Q2 25
$377.6M
Q1 25
$379.6M
Q4 24
$395.7M
Q3 24
$385.5M
Q2 24
$389.1M
Q1 24
$392.6M
Total Assets
ASTS
ASTS
CTKB
CTKB
Q4 25
$5.0B
$461.5M
Q3 25
$2.6B
$494.9M
Q2 25
$493.3M
Q1 25
$482.6M
Q4 24
$499.5M
Q3 24
$491.2M
Q2 24
$483.7M
Q1 24
$492.1M

Cash Flow & Capital Efficiency

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

Metric
ASTS
ASTS
CTKB
CTKB
Operating Cash FlowLast quarter
$65.0M
$-771.0K
Free Cash FlowOCF − Capex
$-330.7M
$-1.8M
FCF MarginFCF / Revenue
-609.0%
-2.9%
Capex IntensityCapex / Revenue
728.7%
1.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-790.4M
$-8.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASTS
ASTS
CTKB
CTKB
Q4 25
$65.0M
$-771.0K
Q3 25
$-64.5M
$-3.9M
Q2 25
$108.0K
Q1 25
$-125.0K
Q4 24
$2.0M
Q3 24
$13.2M
Q2 24
$6.2M
Q1 24
$4.0M
Free Cash Flow
ASTS
ASTS
CTKB
CTKB
Q4 25
$-330.7M
$-1.8M
Q3 25
$-302.9M
$-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
ASTS
ASTS
CTKB
CTKB
Q4 25
-609.0%
-2.9%
Q3 25
-2055.0%
-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
ASTS
ASTS
CTKB
CTKB
Q4 25
728.7%
1.6%
Q3 25
1617.6%
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
ASTS
ASTS
CTKB
CTKB
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
0.21×
Q3 24
14.05×
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

ASTS
ASTS

Products$44.4M82%
Other$7.8M14%
Sat Co$2.1M4%

CTKB
CTKB

Products$46.6M75%
Services$15.5M25%

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