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

VNET Group, Inc. is the larger business by last-quarter revenue ($362.7M vs $183.1M, roughly 2.0× Amphastar Pharmaceuticals, Inc.). Amphastar Pharmaceuticals, Inc. runs the higher net margin — 13.3% vs -10.7%, a 24.0% gap on every dollar of revenue. Amphastar Pharmaceuticals, Inc. produced more free cash flow last quarter ($24.6M vs $-193.1M). Over the past eight quarters, VNET Group, Inc.'s revenue compounded faster (17.4% CAGR vs 3.2%).

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.

VNET Group, Inc. is a leading neutral internet data center service provider operating primarily in China. It offers cloud computing infrastructure, colocation services, managed network solutions, and hybrid cloud support to enterprise clients across technology, finance, and retail sectors, enabling stable, high-performance digital operation foundations for domestic and global businesses expanding in the Chinese market.

AMPH vs VNET — Head-to-Head

Bigger by revenue
VNET
VNET
2.0× larger
VNET
$362.7M
$183.1M
AMPH
Higher net margin
AMPH
AMPH
24.0% more per $
AMPH
13.3%
-10.7%
VNET
More free cash flow
AMPH
AMPH
$217.7M more FCF
AMPH
$24.6M
$-193.1M
VNET
Faster 2-yr revenue CAGR
VNET
VNET
Annualised
VNET
17.4%
3.2%
AMPH

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
AMPH
AMPH
VNET
VNET
Revenue
$183.1M
$362.7M
Net Profit
$24.4M
$-38.7M
Gross Margin
46.8%
20.9%
Operating Margin
19.4%
0.5%
Net Margin
13.3%
-10.7%
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
VNET
VNET
Q4 25
$183.1M
Q3 25
$191.8M
$362.7M
Q2 25
$174.4M
Q1 25
$170.5M
$309.5M
Q4 24
$186.5M
Q3 24
$191.2M
$302.2M
Q2 24
$182.4M
$274.4M
Q1 24
$171.8M
$262.9M
Net Profit
AMPH
AMPH
VNET
VNET
Q4 25
$24.4M
Q3 25
$17.4M
$-38.7M
Q2 25
$31.0M
Q1 25
$25.3M
$-2.4M
Q4 24
$38.0M
Q3 24
$40.4M
$-2.1M
Q2 24
$37.9M
$-1.1M
Q1 24
$43.2M
$-22.0M
Gross Margin
AMPH
AMPH
VNET
VNET
Q4 25
46.8%
Q3 25
51.4%
20.9%
Q2 25
49.6%
Q1 25
50.0%
25.2%
Q4 24
46.5%
Q3 24
53.3%
23.2%
Q2 24
52.2%
21.3%
Q1 24
52.4%
21.6%
Operating Margin
AMPH
AMPH
VNET
VNET
Q4 25
19.4%
Q3 25
13.2%
0.5%
Q2 25
24.2%
Q1 25
21.9%
0.1%
Q4 24
24.2%
Q3 24
29.8%
24.5%
Q2 24
30.3%
0.2%
Q1 24
27.9%
0.2%
Net Margin
AMPH
AMPH
VNET
VNET
Q4 25
13.3%
Q3 25
9.0%
-10.7%
Q2 25
17.8%
Q1 25
14.8%
-0.8%
Q4 24
20.4%
Q3 24
21.1%
-0.7%
Q2 24
20.8%
-0.4%
Q1 24
25.1%
-8.4%
EPS (diluted)
AMPH
AMPH
VNET
VNET
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
VNET
VNET
Cash + ST InvestmentsLiquidity on hand
$282.8M
$492.1M
Total DebtLower is stronger
$608.7M
Stockholders' EquityBook value
$788.8M
$890.8M
Total Assets
$1.6B
$6.1B
Debt / EquityLower = less leverage
0.77×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
VNET
VNET
Q4 25
$282.8M
Q3 25
$276.2M
$492.1M
Q2 25
$231.8M
Q1 25
$236.9M
$544.3M
Q4 24
$221.6M
Q3 24
$250.5M
$219.5M
Q2 24
$217.8M
$247.2M
Q1 24
$289.6M
$246.9M
Total Debt
AMPH
AMPH
VNET
VNET
Q4 25
$608.7M
Q3 25
$608.6M
Q2 25
$607.7M
Q1 25
$603.9M
Q4 24
$601.6M
Q3 24
$596.4M
$1.2B
Q2 24
$586.9M
Q1 24
$594.0M
Stockholders' Equity
AMPH
AMPH
VNET
VNET
Q4 25
$788.8M
Q3 25
$776.7M
$890.8M
Q2 25
$757.5M
Q1 25
$751.3M
$927.8M
Q4 24
$732.3M
Q3 24
$727.7M
$902.9M
Q2 24
$713.3M
$900.6M
Q1 24
$672.4M
$895.1M
Total Assets
AMPH
AMPH
VNET
VNET
Q4 25
$1.6B
Q3 25
$1.7B
$6.1B
Q2 25
$1.6B
Q1 25
$1.6B
$5.4B
Q4 24
$1.6B
Q3 24
$1.5B
$4.3B
Q2 24
$1.5B
$4.0B
Q1 24
$1.6B
$3.9B
Debt / Equity
AMPH
AMPH
VNET
VNET
Q4 25
0.77×
Q3 25
0.78×
Q2 25
0.80×
Q1 25
0.80×
Q4 24
0.82×
Q3 24
0.82×
1.28×
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
VNET
VNET
Operating Cash FlowLast quarter
$32.9M
$113.8M
Free Cash FlowOCF − Capex
$24.6M
$-193.1M
FCF MarginFCF / Revenue
13.4%
-53.2%
Capex IntensityCapex / Revenue
4.5%
84.6%
Cash ConversionOCF / Net Profit
1.35×
TTM Free Cash FlowTrailing 4 quarters
$121.2M
$-589.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
VNET
VNET
Q4 25
$32.9M
Q3 25
$52.6M
$113.8M
Q2 25
$35.6M
Q1 25
$35.1M
$27.0M
Q4 24
$29.0M
Q3 24
$60.0M
$108.3M
Q2 24
$69.1M
$55.8M
Q1 24
$55.3M
$37.1M
Free Cash Flow
AMPH
AMPH
VNET
VNET
Q4 25
$24.6M
Q3 25
$47.2M
$-193.1M
Q2 25
$25.0M
Q1 25
$24.4M
$-220.0M
Q4 24
$16.6M
Q3 24
$46.2M
$-95.0M
Q2 24
$63.1M
$-81.6M
Q1 24
$46.5M
$-102.2M
FCF Margin
AMPH
AMPH
VNET
VNET
Q4 25
13.4%
Q3 25
24.6%
-53.2%
Q2 25
14.3%
Q1 25
14.3%
-71.1%
Q4 24
8.9%
Q3 24
24.1%
-31.4%
Q2 24
34.6%
-29.8%
Q1 24
27.1%
-38.9%
Capex Intensity
AMPH
AMPH
VNET
VNET
Q4 25
4.5%
Q3 25
2.8%
84.6%
Q2 25
6.1%
Q1 25
6.3%
79.8%
Q4 24
6.7%
Q3 24
7.2%
67.3%
Q2 24
3.3%
50.1%
Q1 24
5.1%
53.0%
Cash Conversion
AMPH
AMPH
VNET
VNET
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%

VNET
VNET

Segment breakdown not available.

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