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

PubMatic, Inc. is the larger business by last-quarter revenue ($80.0M vs $54.3M, roughly 1.5× AST SpaceMobile, Inc.). On growth, AST SpaceMobile, Inc. posted the faster year-over-year revenue change (2758.2% vs -6.4%). PubMatic, Inc. produced more free cash flow last quarter ($11.3M 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.

PubMatic, Inc. develops and implements online advertising software and strategies for the digital publishing and advertising industry. PubMatic's sell-side, real-time programmatic ad transaction advertising software puts publishers of websites, videos, and mobile apps into contact with ad buyers by using automated systems, while allowing users to opt-out of having their personal information collected on internet searches. PubMatic has a number of offices in countries around the world.

ASTS vs PUBM — Head-to-Head

Bigger by revenue
PUBM
PUBM
1.5× larger
PUBM
$80.0M
$54.3M
ASTS
Growing faster (revenue YoY)
ASTS
ASTS
+2764.5% gap
ASTS
2758.2%
-6.4%
PUBM
More free cash flow
PUBM
PUBM
$342.0M more FCF
PUBM
$11.3M
$-330.7M
ASTS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ASTS
ASTS
PUBM
PUBM
Revenue
$54.3M
$80.0M
Net Profit
$-74.0M
Gross Margin
68.2%
Operating Margin
-175.0%
10.6%
Net Margin
-136.2%
Revenue YoY
2758.2%
-6.4%
Net Profit YoY
-106.3%
EPS (diluted)
$0.14

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
PUBM
PUBM
Q4 25
$54.3M
$80.0M
Q3 25
$14.7M
$68.0M
Q2 25
$71.1M
Q1 25
$63.8M
Q4 24
$85.5M
Q3 24
$71.8M
Q2 24
$67.3M
Q1 24
$66.7M
Net Profit
ASTS
ASTS
PUBM
PUBM
Q4 25
$-74.0M
Q3 25
$-122.9M
$-6.5M
Q2 25
$-5.2M
Q1 25
$-9.5M
Q4 24
Q3 24
$-912.0K
Q2 24
$2.0M
Q1 24
$-2.5M
Gross Margin
ASTS
ASTS
PUBM
PUBM
Q4 25
68.2%
Q3 25
62.6%
Q2 25
62.6%
Q1 25
59.9%
Q4 24
70.8%
Q3 24
64.5%
Q2 24
62.6%
Q1 24
61.9%
Operating Margin
ASTS
ASTS
PUBM
PUBM
Q4 25
-175.0%
10.6%
Q3 25
-1109.0%
-12.4%
Q2 25
-7.7%
Q1 25
-18.6%
Q4 24
17.3%
Q3 24
-1.9%
Q2 24
-5.9%
Q1 24
-8.3%
Net Margin
ASTS
ASTS
PUBM
PUBM
Q4 25
-136.2%
Q3 25
-833.7%
-9.5%
Q2 25
-7.3%
Q1 25
-14.9%
Q4 24
Q3 24
-1.3%
Q2 24
2.9%
Q1 24
-3.7%
EPS (diluted)
ASTS
ASTS
PUBM
PUBM
Q4 25
$0.14
Q3 25
$-0.14
Q2 25
$-0.11
Q1 25
$-0.20
Q4 24
$0.26
Q3 24
$-0.02
Q2 24
$0.04
Q1 24
$-0.05

Balance Sheet & Financial Strength

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

Metric
ASTS
ASTS
PUBM
PUBM
Cash + ST InvestmentsLiquidity on hand
$4.3B
$145.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.4B
$262.6M
Total Assets
$5.0B
$680.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASTS
ASTS
PUBM
PUBM
Q4 25
$4.3B
$145.5M
Q3 25
$2.4B
$136.5M
Q2 25
$90.5M
Q1 25
$101.8M
Q4 24
$100.5M
Q3 24
$78.9M
Q2 24
$73.5M
Q1 24
$80.2M
Stockholders' Equity
ASTS
ASTS
PUBM
PUBM
Q4 25
$2.4B
$262.6M
Q3 25
$1.6B
$245.1M
Q2 25
$243.3M
Q1 25
$275.6M
Q4 24
$277.3M
Q3 24
$263.2M
Q2 24
$282.7M
Q1 24
$288.7M
Total Assets
ASTS
ASTS
PUBM
PUBM
Q4 25
$5.0B
$680.2M
Q3 25
$2.6B
$676.2M
Q2 25
$675.2M
Q1 25
$668.6M
Q4 24
$739.5M
Q3 24
$689.1M
Q2 24
$673.1M
Q1 24
$626.2M

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
PUBM
PUBM
Operating Cash FlowLast quarter
$65.0M
$18.2M
Free Cash FlowOCF − Capex
$-330.7M
$11.3M
FCF MarginFCF / Revenue
-609.0%
14.1%
Capex IntensityCapex / Revenue
728.7%
8.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-790.4M
$66.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASTS
ASTS
PUBM
PUBM
Q4 25
$65.0M
$18.2M
Q3 25
$-64.5M
$32.4M
Q2 25
$14.9M
Q1 25
$15.6M
Q4 24
$18.0M
Q3 24
$19.1M
Q2 24
$11.9M
Q1 24
$24.3M
Free Cash Flow
ASTS
ASTS
PUBM
PUBM
Q4 25
$-330.7M
$11.3M
Q3 25
$-302.9M
$27.7M
Q2 25
$13.6M
Q1 25
$14.2M
Q4 24
$13.7M
Q3 24
$7.4M
Q2 24
$11.2M
Q1 24
$23.5M
FCF Margin
ASTS
ASTS
PUBM
PUBM
Q4 25
-609.0%
14.1%
Q3 25
-2055.0%
40.8%
Q2 25
19.1%
Q1 25
22.2%
Q4 24
16.1%
Q3 24
10.3%
Q2 24
16.7%
Q1 24
35.2%
Capex Intensity
ASTS
ASTS
PUBM
PUBM
Q4 25
728.7%
8.6%
Q3 25
1617.6%
6.9%
Q2 25
1.9%
Q1 25
2.3%
Q4 24
5.1%
Q3 24
16.3%
Q2 24
1.1%
Q1 24
1.2%
Cash Conversion
ASTS
ASTS
PUBM
PUBM
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
6.06×
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%

PUBM
PUBM

Segment breakdown not available.

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