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

MarketAxess is the larger business by last-quarter revenue ($233.4M vs $183.1M, roughly 1.3× Amphastar Pharmaceuticals, Inc.). MarketAxess runs the higher net margin — 33.4% vs 13.3%, a 20.1% gap on every dollar of revenue. On growth, MarketAxess posted the faster year-over-year revenue change (11.9% vs -1.8%). Amphastar Pharmaceuticals, Inc. produced more free cash flow last quarter ($24.6M vs $15.9M). Over the past eight quarters, MarketAxess's revenue compounded faster (8.7% 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.

MarketAxess Holdings Inc. is an international financial technology company that operates an electronic trading platform for the institutional credit markets, and also provides market data and post-trade services. It enables institutional investors and broker-dealers to trade credit instruments, including corporate bonds, and other types of fixed income products.

AMPH vs MKTX — Head-to-Head

Bigger by revenue
MKTX
MKTX
1.3× larger
MKTX
$233.4M
$183.1M
AMPH
Growing faster (revenue YoY)
MKTX
MKTX
+13.7% gap
MKTX
11.9%
-1.8%
AMPH
Higher net margin
MKTX
MKTX
20.1% more per $
MKTX
33.4%
13.3%
AMPH
More free cash flow
AMPH
AMPH
$8.7M more FCF
AMPH
$24.6M
$15.9M
MKTX
Faster 2-yr revenue CAGR
MKTX
MKTX
Annualised
MKTX
8.7%
3.2%
AMPH

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
AMPH
AMPH
MKTX
MKTX
Revenue
$183.1M
$233.4M
Net Profit
$24.4M
$78.0M
Gross Margin
46.8%
Operating Margin
19.4%
43.2%
Net Margin
13.3%
33.4%
Revenue YoY
-1.8%
11.9%
Net Profit YoY
-35.7%
418.5%
EPS (diluted)
$0.51
$2.20

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
MKTX
MKTX
Q1 26
$233.4M
Q4 25
$183.1M
$209.4M
Q3 25
$191.8M
$208.8M
Q2 25
$174.4M
$219.5M
Q1 25
$170.5M
$208.6M
Q4 24
$186.5M
$202.4M
Q3 24
$191.2M
$206.7M
Q2 24
$182.4M
$197.7M
Net Profit
AMPH
AMPH
MKTX
MKTX
Q1 26
$78.0M
Q4 25
$24.4M
$92.2M
Q3 25
$17.4M
$68.2M
Q2 25
$31.0M
$71.1M
Q1 25
$25.3M
$15.1M
Q4 24
$38.0M
$65.1M
Q3 24
$40.4M
$71.5M
Q2 24
$37.9M
$64.9M
Gross Margin
AMPH
AMPH
MKTX
MKTX
Q1 26
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%
Operating Margin
AMPH
AMPH
MKTX
MKTX
Q1 26
43.2%
Q4 25
19.4%
36.3%
Q3 25
13.2%
41.0%
Q2 25
24.2%
41.9%
Q1 25
21.9%
42.4%
Q4 24
24.2%
39.5%
Q3 24
29.8%
42.1%
Q2 24
30.3%
41.2%
Net Margin
AMPH
AMPH
MKTX
MKTX
Q1 26
33.4%
Q4 25
13.3%
44.0%
Q3 25
9.0%
32.6%
Q2 25
17.8%
32.4%
Q1 25
14.8%
7.2%
Q4 24
20.4%
32.2%
Q3 24
21.1%
34.6%
Q2 24
20.8%
32.9%
EPS (diluted)
AMPH
AMPH
MKTX
MKTX
Q1 26
$2.20
Q4 25
$0.51
$2.49
Q3 25
$0.37
$1.84
Q2 25
$0.64
$1.91
Q1 25
$0.51
$0.40
Q4 24
$0.74
$1.74
Q3 24
$0.78
$1.90
Q2 24
$0.73
$1.72

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
MKTX
MKTX
Cash + ST InvestmentsLiquidity on hand
$282.8M
$377.3M
Total DebtLower is stronger
$608.7M
Stockholders' EquityBook value
$788.8M
$1.2B
Total Assets
$1.6B
$2.3B
Debt / EquityLower = less leverage
0.77×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
MKTX
MKTX
Q1 26
$377.3M
Q4 25
$282.8M
$519.7M
Q3 25
$276.2M
$473.3M
Q2 25
$231.8M
$462.8M
Q1 25
$236.9M
$486.2M
Q4 24
$221.6M
$544.5M
Q3 24
$250.5M
$446.3M
Q2 24
$217.8M
$434.1M
Total Debt
AMPH
AMPH
MKTX
MKTX
Q1 26
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
Stockholders' Equity
AMPH
AMPH
MKTX
MKTX
Q1 26
$1.2B
Q4 25
$788.8M
$1.1B
Q3 25
$776.7M
$1.4B
Q2 25
$757.5M
$1.4B
Q1 25
$751.3M
$1.3B
Q4 24
$732.3M
$1.4B
Q3 24
$727.7M
$1.4B
Q2 24
$713.3M
$1.3B
Total Assets
AMPH
AMPH
MKTX
MKTX
Q1 26
$2.3B
Q4 25
$1.6B
$1.9B
Q3 25
$1.7B
$2.0B
Q2 25
$1.6B
$2.0B
Q1 25
$1.6B
$1.9B
Q4 24
$1.6B
$1.8B
Q3 24
$1.5B
$1.8B
Q2 24
$1.5B
$1.9B
Debt / Equity
AMPH
AMPH
MKTX
MKTX
Q1 26
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×

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
MKTX
MKTX
Operating Cash FlowLast quarter
$32.9M
Free Cash FlowOCF − Capex
$24.6M
$15.9M
FCF MarginFCF / Revenue
13.4%
6.8%
Capex IntensityCapex / Revenue
4.5%
Cash ConversionOCF / Net Profit
1.35×
TTM Free Cash FlowTrailing 4 quarters
$121.2M
$581.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
MKTX
MKTX
Q1 26
Q4 25
$32.9M
$382.1M
Q3 25
$52.6M
$90.2M
Q2 25
$35.6M
$103.7M
Q1 25
$35.1M
$29.6M
Q4 24
$29.0M
$385.2M
Q3 24
$60.0M
$95.1M
Q2 24
$69.1M
$118.8M
Free Cash Flow
AMPH
AMPH
MKTX
MKTX
Q1 26
$15.9M
Q4 25
$24.6M
$373.9M
Q3 25
$47.2M
$88.7M
Q2 25
$25.0M
$102.5M
Q1 25
$24.4M
$27.7M
Q4 24
$16.6M
$375.3M
Q3 24
$46.2M
$94.3M
Q2 24
$63.1M
$111.2M
FCF Margin
AMPH
AMPH
MKTX
MKTX
Q1 26
6.8%
Q4 25
13.4%
178.6%
Q3 25
24.6%
42.5%
Q2 25
14.3%
46.7%
Q1 25
14.3%
13.3%
Q4 24
8.9%
185.4%
Q3 24
24.1%
45.6%
Q2 24
34.6%
56.2%
Capex Intensity
AMPH
AMPH
MKTX
MKTX
Q1 26
Q4 25
4.5%
3.9%
Q3 25
2.8%
0.7%
Q2 25
6.1%
0.5%
Q1 25
6.3%
0.9%
Q4 24
6.7%
4.9%
Q3 24
7.2%
0.4%
Q2 24
3.3%
3.9%
Cash Conversion
AMPH
AMPH
MKTX
MKTX
Q1 26
Q4 25
1.35×
4.14×
Q3 25
3.03×
1.32×
Q2 25
1.15×
1.46×
Q1 25
1.39×
1.97×
Q4 24
0.76×
5.91×
Q3 24
1.48×
1.33×
Q2 24
1.82×
1.83×

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%

MKTX
MKTX

Commissions$203.5M87%
Information services$14.4M6%
Post-trade services$11.6M5%
Technology services$3.9M2%

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