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

ONESPAWORLD HOLDINGS Ltd is the larger business by last-quarter revenue ($242.1M vs $183.1M, roughly 1.3× Amphastar Pharmaceuticals, Inc.). Amphastar Pharmaceuticals, Inc. runs the higher net margin — 13.3% vs 5.0%, a 8.4% gap on every dollar of revenue. On growth, ONESPAWORLD HOLDINGS Ltd posted the faster year-over-year revenue change (11.5% vs -1.8%). Amphastar Pharmaceuticals, Inc. produced more free cash flow last quarter ($24.6M vs $14.9M). Over the past eight quarters, ONESPAWORLD HOLDINGS Ltd's revenue compounded faster (7.1% 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.

AMPH vs OSW — Head-to-Head

Bigger by revenue
OSW
OSW
1.3× larger
OSW
$242.1M
$183.1M
AMPH
Growing faster (revenue YoY)
OSW
OSW
+13.3% gap
OSW
11.5%
-1.8%
AMPH
Higher net margin
AMPH
AMPH
8.4% more per $
AMPH
13.3%
5.0%
OSW
More free cash flow
AMPH
AMPH
$9.7M more FCF
AMPH
$24.6M
$14.9M
OSW
Faster 2-yr revenue CAGR
OSW
OSW
Annualised
OSW
7.1%
3.2%
AMPH

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPH
AMPH
OSW
OSW
Revenue
$183.1M
$242.1M
Net Profit
$24.4M
$12.1M
Gross Margin
46.8%
Operating Margin
19.4%
6.8%
Net Margin
13.3%
5.0%
Revenue YoY
-1.8%
11.5%
Net Profit YoY
-35.7%
-16.2%
EPS (diluted)
$0.51
$0.12

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
OSW
OSW
Q4 25
$183.1M
$242.1M
Q3 25
$191.8M
$258.5M
Q2 25
$174.4M
$240.7M
Q1 25
$170.5M
$219.6M
Q4 24
$186.5M
$217.2M
Q3 24
$191.2M
$241.7M
Q2 24
$182.4M
$224.9M
Q1 24
$171.8M
$211.2M
Net Profit
AMPH
AMPH
OSW
OSW
Q4 25
$24.4M
$12.1M
Q3 25
$17.4M
$24.3M
Q2 25
$31.0M
$19.9M
Q1 25
$25.3M
$15.3M
Q4 24
$38.0M
$14.4M
Q3 24
$40.4M
$21.6M
Q2 24
$37.9M
$15.8M
Q1 24
$43.2M
$21.2M
Gross Margin
AMPH
AMPH
OSW
OSW
Q4 25
46.8%
Q3 25
51.4%
Q2 25
49.6%
Q1 25
50.0%
Q4 24
46.5%
Q3 24
53.3%
Q2 24
52.2%
Q1 24
52.4%
Operating Margin
AMPH
AMPH
OSW
OSW
Q4 25
19.4%
6.8%
Q3 25
13.2%
10.2%
Q2 25
24.2%
9.2%
Q1 25
21.9%
7.7%
Q4 24
24.2%
7.9%
Q3 24
29.8%
10.3%
Q2 24
30.3%
8.4%
Q1 24
27.9%
8.0%
Net Margin
AMPH
AMPH
OSW
OSW
Q4 25
13.3%
5.0%
Q3 25
9.0%
9.4%
Q2 25
17.8%
8.3%
Q1 25
14.8%
7.0%
Q4 24
20.4%
6.6%
Q3 24
21.1%
8.9%
Q2 24
20.8%
7.0%
Q1 24
25.1%
10.0%
EPS (diluted)
AMPH
AMPH
OSW
OSW
Q4 25
$0.51
$0.12
Q3 25
$0.37
$0.23
Q2 25
$0.64
$0.19
Q1 25
$0.51
$0.15
Q4 24
$0.74
$0.13
Q3 24
$0.78
$0.20
Q2 24
$0.73
$0.15
Q1 24
$0.81
$0.21

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
OSW
OSW
Cash + ST InvestmentsLiquidity on hand
$282.8M
$16.3M
Total DebtLower is stronger
$608.7M
$84.0M
Stockholders' EquityBook value
$788.8M
$542.6M
Total Assets
$1.6B
$707.1M
Debt / EquityLower = less leverage
0.77×
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
OSW
OSW
Q4 25
$282.8M
$16.3M
Q3 25
$276.2M
$29.6M
Q2 25
$231.8M
$35.0M
Q1 25
$236.9M
$22.6M
Q4 24
$221.6M
$57.4M
Q3 24
$250.5M
$48.8M
Q2 24
$217.8M
$62.5M
Q1 24
$289.6M
$65.4M
Total Debt
AMPH
AMPH
OSW
OSW
Q4 25
$608.7M
$84.0M
Q3 25
$608.6M
$85.2M
Q2 25
$607.7M
$96.2M
Q1 25
$603.9M
$97.4M
Q4 24
$601.6M
$98.6M
Q3 24
$596.4M
$98.7M
Q2 24
$586.9M
$123.8M
Q1 24
$594.0M
$138.6M
Stockholders' Equity
AMPH
AMPH
OSW
OSW
Q4 25
$788.8M
$542.6M
Q3 25
$776.7M
$552.8M
Q2 25
$757.5M
$548.3M
Q1 25
$751.3M
$530.6M
Q4 24
$732.3M
$554.5M
Q3 24
$727.7M
$540.1M
Q2 24
$713.3M
$532.7M
Q1 24
$672.4M
$515.5M
Total Assets
AMPH
AMPH
OSW
OSW
Q4 25
$1.6B
$707.1M
Q3 25
$1.7B
$732.6M
Q2 25
$1.6B
$731.8M
Q1 25
$1.6B
$708.7M
Q4 24
$1.6B
$746.4M
Q3 24
$1.5B
$734.0M
Q2 24
$1.5B
$756.8M
Q1 24
$1.6B
$763.6M
Debt / Equity
AMPH
AMPH
OSW
OSW
Q4 25
0.77×
0.15×
Q3 25
0.78×
0.15×
Q2 25
0.80×
0.18×
Q1 25
0.80×
0.18×
Q4 24
0.82×
0.18×
Q3 24
0.82×
0.18×
Q2 24
0.82×
0.23×
Q1 24
0.88×
0.27×

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
OSW
OSW
Operating Cash FlowLast quarter
$32.9M
$20.0M
Free Cash FlowOCF − Capex
$24.6M
$14.9M
FCF MarginFCF / Revenue
13.4%
6.2%
Capex IntensityCapex / Revenue
4.5%
2.1%
Cash ConversionOCF / Net Profit
1.35×
1.65×
TTM Free Cash FlowTrailing 4 quarters
$121.2M
$68.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
OSW
OSW
Q4 25
$32.9M
$20.0M
Q3 25
$52.6M
$33.2M
Q2 25
$35.6M
$20.3M
Q1 25
$35.1M
$10.1M
Q4 24
$29.0M
$16.6M
Q3 24
$60.0M
$28.6M
Q2 24
$69.1M
$18.7M
Q1 24
$55.3M
$15.0M
Free Cash Flow
AMPH
AMPH
OSW
OSW
Q4 25
$24.6M
$14.9M
Q3 25
$47.2M
$27.6M
Q2 25
$25.0M
$17.6M
Q1 25
$24.4M
$8.4M
Q4 24
$16.6M
$13.2M
Q3 24
$46.2M
$27.5M
Q2 24
$63.1M
$17.6M
Q1 24
$46.5M
$13.7M
FCF Margin
AMPH
AMPH
OSW
OSW
Q4 25
13.4%
6.2%
Q3 25
24.6%
10.7%
Q2 25
14.3%
7.3%
Q1 25
14.3%
3.8%
Q4 24
8.9%
6.1%
Q3 24
24.1%
11.4%
Q2 24
34.6%
7.8%
Q1 24
27.1%
6.5%
Capex Intensity
AMPH
AMPH
OSW
OSW
Q4 25
4.5%
2.1%
Q3 25
2.8%
2.2%
Q2 25
6.1%
1.1%
Q1 25
6.3%
0.8%
Q4 24
6.7%
1.5%
Q3 24
7.2%
0.5%
Q2 24
3.3%
0.5%
Q1 24
5.1%
0.6%
Cash Conversion
AMPH
AMPH
OSW
OSW
Q4 25
1.35×
1.65×
Q3 25
3.03×
1.36×
Q2 25
1.15×
1.02×
Q1 25
1.39×
0.66×
Q4 24
0.76×
1.15×
Q3 24
1.48×
1.33×
Q2 24
1.82×
1.19×
Q1 24
1.28×
0.71×

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%

OSW
OSW

Services$197.3M82%
Products$44.8M18%

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