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Side-by-side financial comparison of Amphastar Pharmaceuticals, Inc. (AMPH) and Autohome Inc. (ATHM). Click either name above to swap in a different company.

Autohome Inc. is the larger business by last-quarter revenue ($249.8M vs $183.1M, roughly 1.4× Amphastar Pharmaceuticals, Inc.). Autohome Inc. runs the higher net margin — 23.8% vs 13.3%, a 10.5% gap on every dollar of revenue. Over the past eight quarters, Amphastar Pharmaceuticals, Inc.'s revenue compounded faster (3.2% CAGR vs -0.6%).

Amphastar Pharmaceuticals is a publicly traded American speciality pharmaceutical company. It was incorporated in May 2004 and primarily develops, manufactures, and sells inhalation and intranasal products.

Autohome Inc. is a leading online destination for automobile consumers in China. Through its websites and mobile apps, it provides professionally produced content, user-generated content, comprehensive vehicle listings, and a suite of services for dealers, automakers, and car buyers, including new and used car listings, financing, insurance, and online transactions.

AMPH vs ATHM — Head-to-Head

Bigger by revenue
ATHM
ATHM
1.4× larger
ATHM
$249.8M
$183.1M
AMPH
Higher net margin
ATHM
ATHM
10.5% more per $
ATHM
23.8%
13.3%
AMPH
Faster 2-yr revenue CAGR
AMPH
AMPH
Annualised
AMPH
3.2%
-0.6%
ATHM

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
AMPH
AMPH
ATHM
ATHM
Revenue
$183.1M
$249.8M
Net Profit
$24.4M
$59.4M
Gross Margin
46.8%
63.7%
Operating Margin
19.4%
8.3%
Net Margin
13.3%
23.8%
Revenue YoY
-1.8%
Net Profit YoY
-35.7%
EPS (diluted)
$0.51

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
AMPH
AMPH
ATHM
ATHM
Q4 25
$183.1M
Q3 25
$191.8M
$249.8M
Q2 25
$174.4M
$245.4M
Q1 25
$170.5M
$244.3M
Q4 24
$186.5M
Q3 24
$191.2M
$252.9M
Q2 24
$182.4M
$257.7M
Q1 24
$171.8M
$222.9M
Net Profit
AMPH
AMPH
ATHM
ATHM
Q4 25
$24.4M
Q3 25
$17.4M
$59.4M
Q2 25
$31.0M
$56.0M
Q1 25
$25.3M
Q4 24
$38.0M
Q3 24
$40.4M
$61.0M
Q2 24
$37.9M
$69.3M
Q1 24
$43.2M
$52.4M
Gross Margin
AMPH
AMPH
ATHM
ATHM
Q4 25
46.8%
Q3 25
51.4%
63.7%
Q2 25
49.6%
71.4%
Q1 25
50.0%
Q4 24
46.5%
Q3 24
53.3%
77.0%
Q2 24
52.2%
81.5%
Q1 24
52.4%
81.3%
Operating Margin
AMPH
AMPH
ATHM
ATHM
Q4 25
19.4%
Q3 25
13.2%
8.3%
Q2 25
24.2%
16.9%
Q1 25
21.9%
13.0%
Q4 24
24.2%
Q3 24
29.8%
4.7%
Q2 24
30.3%
22.0%
Q1 24
27.9%
17.2%
Net Margin
AMPH
AMPH
ATHM
ATHM
Q4 25
13.3%
Q3 25
9.0%
23.8%
Q2 25
17.8%
22.8%
Q1 25
14.8%
Q4 24
20.4%
Q3 24
21.1%
24.1%
Q2 24
20.8%
26.9%
Q1 24
25.1%
23.5%
EPS (diluted)
AMPH
AMPH
ATHM
ATHM
Q4 25
$0.51
Q3 25
$0.37
Q2 25
$0.64
Q1 25
$0.51
Q4 24
$0.74
Q3 24
$0.78
Q2 24
$0.73
Q1 24
$0.81

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
ATHM
ATHM
Cash + ST InvestmentsLiquidity on hand
$282.8M
Total DebtLower is stronger
$608.7M
Stockholders' EquityBook value
$788.8M
Total Assets
$1.6B
Debt / EquityLower = less leverage
0.77×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
ATHM
ATHM
Q4 25
$282.8M
Q3 25
$276.2M
Q2 25
$231.8M
Q1 25
$236.9M
Q4 24
$221.6M
Q3 24
$250.5M
Q2 24
$217.8M
Q1 24
$289.6M
Total Debt
AMPH
AMPH
ATHM
ATHM
Q4 25
$608.7M
Q3 25
$608.6M
Q2 25
$607.7M
Q1 25
$603.9M
Q4 24
$601.6M
Q3 24
$596.4M
Q2 24
$586.9M
Q1 24
$594.0M
Stockholders' Equity
AMPH
AMPH
ATHM
ATHM
Q4 25
$788.8M
Q3 25
$776.7M
Q2 25
$757.5M
Q1 25
$751.3M
Q4 24
$732.3M
Q3 24
$727.7M
Q2 24
$713.3M
Q1 24
$672.4M
Total Assets
AMPH
AMPH
ATHM
ATHM
Q4 25
$1.6B
Q3 25
$1.7B
Q2 25
$1.6B
Q1 25
$1.6B
Q4 24
$1.6B
Q3 24
$1.5B
Q2 24
$1.5B
Q1 24
$1.6B
Debt / Equity
AMPH
AMPH
ATHM
ATHM
Q4 25
0.77×
Q3 25
0.78×
Q2 25
0.80×
Q1 25
0.80×
Q4 24
0.82×
Q3 24
0.82×
Q2 24
0.82×
Q1 24
0.88×

Cash Flow & Capital Efficiency

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

Metric
AMPH
AMPH
ATHM
ATHM
Operating Cash FlowLast quarter
$32.9M
Free Cash FlowOCF − Capex
$24.6M
FCF MarginFCF / Revenue
13.4%
Capex IntensityCapex / Revenue
4.5%
Cash ConversionOCF / Net Profit
1.35×
TTM Free Cash FlowTrailing 4 quarters
$121.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
ATHM
ATHM
Q4 25
$32.9M
Q3 25
$52.6M
Q2 25
$35.6M
Q1 25
$35.1M
Q4 24
$29.0M
Q3 24
$60.0M
Q2 24
$69.1M
Q1 24
$55.3M
Free Cash Flow
AMPH
AMPH
ATHM
ATHM
Q4 25
$24.6M
Q3 25
$47.2M
Q2 25
$25.0M
Q1 25
$24.4M
Q4 24
$16.6M
Q3 24
$46.2M
Q2 24
$63.1M
Q1 24
$46.5M
FCF Margin
AMPH
AMPH
ATHM
ATHM
Q4 25
13.4%
Q3 25
24.6%
Q2 25
14.3%
Q1 25
14.3%
Q4 24
8.9%
Q3 24
24.1%
Q2 24
34.6%
Q1 24
27.1%
Capex Intensity
AMPH
AMPH
ATHM
ATHM
Q4 25
4.5%
Q3 25
2.8%
Q2 25
6.1%
Q1 25
6.3%
Q4 24
6.7%
Q3 24
7.2%
Q2 24
3.3%
Q1 24
5.1%
Cash Conversion
AMPH
AMPH
ATHM
ATHM
Q4 25
1.35×
Q3 25
3.03×
Q2 25
1.15×
Q1 25
1.39×
Q4 24
0.76×
Q3 24
1.48×
Q2 24
1.82×
Q1 24
1.28×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMPH
AMPH

Other Products$62.4M34%
Baqsimi$46.7M26%
Primatenemist$27.9M15%
Epinephrine$17.1M9%
Lidocaine$14.9M8%
Glucagon$14.1M8%

ATHM
ATHM

Online marketplace and others$114.7M46%
Leads generation services$93.2M37%
Media services$41.9M17%

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