vs

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

KADANT INC is the larger business by last-quarter revenue ($271.6M vs $183.1M, roughly 1.5× Amphastar Pharmaceuticals, Inc.). Amphastar Pharmaceuticals, Inc. runs the higher net margin — 13.3% vs 10.2%, a 3.1% gap on every dollar of revenue. On growth, KADANT INC posted the faster year-over-year revenue change (-0.0% vs -1.8%). KADANT INC produced more free cash flow last quarter ($44.1M vs $24.6M). Over the past eight quarters, KADANT INC's revenue compounded faster (6.7% 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.

Kadant Inc. is a company that was established in 1991, as a partly privately owned subsidiary of Thermo Electron, and partly publicly traded company, and was fully spun out and renamed Kadant in 2001. The company supports papermaking, paper recycling, wood processing, material handling, and other processing industries. Kadant is a multi-national corporation with operations in Asia, Europe, North America, and South America.

AMPH vs KAI — Head-to-Head

Bigger by revenue
KAI
KAI
1.5× larger
KAI
$271.6M
$183.1M
AMPH
Growing faster (revenue YoY)
KAI
KAI
+1.8% gap
KAI
-0.0%
-1.8%
AMPH
Higher net margin
AMPH
AMPH
3.1% more per $
AMPH
13.3%
10.2%
KAI
More free cash flow
KAI
KAI
$19.5M more FCF
KAI
$44.1M
$24.6M
AMPH
Faster 2-yr revenue CAGR
KAI
KAI
Annualised
KAI
6.7%
3.2%
AMPH

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
AMPH
AMPH
KAI
KAI
Revenue
$183.1M
$271.6M
Net Profit
$24.4M
$27.7M
Gross Margin
46.8%
45.2%
Operating Margin
19.4%
15.7%
Net Margin
13.3%
10.2%
Revenue YoY
-1.8%
-0.0%
Net Profit YoY
-35.7%
-12.2%
EPS (diluted)
$0.51
$2.35

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
KAI
KAI
Q4 25
$183.1M
Q3 25
$191.8M
$271.6M
Q2 25
$174.4M
$255.3M
Q1 25
$170.5M
$239.2M
Q4 24
$186.5M
$258.0M
Q3 24
$191.2M
$271.6M
Q2 24
$182.4M
$274.8M
Q1 24
$171.8M
$249.0M
Net Profit
AMPH
AMPH
KAI
KAI
Q4 25
$24.4M
Q3 25
$17.4M
$27.7M
Q2 25
$31.0M
$26.2M
Q1 25
$25.3M
$24.1M
Q4 24
$38.0M
$24.0M
Q3 24
$40.4M
$31.6M
Q2 24
$37.9M
$31.3M
Q1 24
$43.2M
$24.7M
Gross Margin
AMPH
AMPH
KAI
KAI
Q4 25
46.8%
Q3 25
51.4%
45.2%
Q2 25
49.6%
45.9%
Q1 25
50.0%
46.1%
Q4 24
46.5%
43.4%
Q3 24
53.3%
44.7%
Q2 24
52.2%
44.4%
Q1 24
52.4%
44.6%
Operating Margin
AMPH
AMPH
KAI
KAI
Q4 25
19.4%
Q3 25
13.2%
15.7%
Q2 25
24.2%
15.4%
Q1 25
21.9%
14.9%
Q4 24
24.2%
14.3%
Q3 24
29.8%
18.0%
Q2 24
30.3%
17.6%
Q1 24
27.9%
14.8%
Net Margin
AMPH
AMPH
KAI
KAI
Q4 25
13.3%
Q3 25
9.0%
10.2%
Q2 25
17.8%
10.2%
Q1 25
14.8%
10.1%
Q4 24
20.4%
9.3%
Q3 24
21.1%
11.6%
Q2 24
20.8%
11.4%
Q1 24
25.1%
9.9%
EPS (diluted)
AMPH
AMPH
KAI
KAI
Q4 25
$0.51
Q3 25
$0.37
$2.35
Q2 25
$0.64
$2.22
Q1 25
$0.51
$2.04
Q4 24
$0.74
$2.04
Q3 24
$0.78
$2.68
Q2 24
$0.73
$2.66
Q1 24
$0.81
$2.10

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
KAI
KAI
Cash + ST InvestmentsLiquidity on hand
$282.8M
$124.5M
Total DebtLower is stronger
$608.7M
$254.6M
Stockholders' EquityBook value
$788.8M
$949.8M
Total Assets
$1.6B
$1.5B
Debt / EquityLower = less leverage
0.77×
0.27×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
KAI
KAI
Q4 25
$282.8M
Q3 25
$276.2M
$124.5M
Q2 25
$231.8M
$95.3M
Q1 25
$236.9M
$91.7M
Q4 24
$221.6M
$94.7M
Q3 24
$250.5M
$88.4M
Q2 24
$217.8M
$73.8M
Q1 24
$289.6M
$81.4M
Total Debt
AMPH
AMPH
KAI
KAI
Q4 25
$608.7M
Q3 25
$608.6M
$254.6M
Q2 25
$607.7M
$245.7M
Q1 25
$603.9M
$273.5M
Q4 24
$601.6M
$285.2M
Q3 24
$596.4M
$323.2M
Q2 24
$586.9M
$342.0M
Q1 24
$594.0M
$306.8M
Stockholders' Equity
AMPH
AMPH
KAI
KAI
Q4 25
$788.8M
Q3 25
$776.7M
$949.8M
Q2 25
$757.5M
$926.0M
Q1 25
$751.3M
$876.0M
Q4 24
$732.3M
$847.1M
Q3 24
$727.7M
$851.7M
Q2 24
$713.3M
$807.7M
Q1 24
$672.4M
$782.7M
Total Assets
AMPH
AMPH
KAI
KAI
Q4 25
$1.6B
Q3 25
$1.7B
$1.5B
Q2 25
$1.6B
$1.5B
Q1 25
$1.6B
$1.4B
Q4 24
$1.6B
$1.4B
Q3 24
$1.5B
$1.5B
Q2 24
$1.5B
$1.5B
Q1 24
$1.6B
$1.4B
Debt / Equity
AMPH
AMPH
KAI
KAI
Q4 25
0.77×
Q3 25
0.78×
0.27×
Q2 25
0.80×
0.27×
Q1 25
0.80×
0.31×
Q4 24
0.82×
0.34×
Q3 24
0.82×
0.38×
Q2 24
0.82×
0.42×
Q1 24
0.88×
0.39×

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
KAI
KAI
Operating Cash FlowLast quarter
$32.9M
$47.3M
Free Cash FlowOCF − Capex
$24.6M
$44.1M
FCF MarginFCF / Revenue
13.4%
16.2%
Capex IntensityCapex / Revenue
4.5%
1.2%
Cash ConversionOCF / Net Profit
1.35×
1.70×
TTM Free Cash FlowTrailing 4 quarters
$121.2M
$145.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
KAI
KAI
Q4 25
$32.9M
Q3 25
$52.6M
$47.3M
Q2 25
$35.6M
$40.5M
Q1 25
$35.1M
$22.8M
Q4 24
$29.0M
$51.9M
Q3 24
$60.0M
$52.5M
Q2 24
$69.1M
$28.1M
Q1 24
$55.3M
$22.8M
Free Cash Flow
AMPH
AMPH
KAI
KAI
Q4 25
$24.6M
Q3 25
$47.2M
$44.1M
Q2 25
$25.0M
$36.5M
Q1 25
$24.4M
$19.0M
Q4 24
$16.6M
$46.3M
Q3 24
$46.2M
$48.3M
Q2 24
$63.1M
$23.1M
Q1 24
$46.5M
$16.6M
FCF Margin
AMPH
AMPH
KAI
KAI
Q4 25
13.4%
Q3 25
24.6%
16.2%
Q2 25
14.3%
14.3%
Q1 25
14.3%
7.9%
Q4 24
8.9%
17.9%
Q3 24
24.1%
17.8%
Q2 24
34.6%
8.4%
Q1 24
27.1%
6.7%
Capex Intensity
AMPH
AMPH
KAI
KAI
Q4 25
4.5%
Q3 25
2.8%
1.2%
Q2 25
6.1%
1.6%
Q1 25
6.3%
1.6%
Q4 24
6.7%
2.2%
Q3 24
7.2%
1.5%
Q2 24
3.3%
1.8%
Q1 24
5.1%
2.5%
Cash Conversion
AMPH
AMPH
KAI
KAI
Q4 25
1.35×
Q3 25
3.03×
1.70×
Q2 25
1.15×
1.55×
Q1 25
1.39×
0.95×
Q4 24
0.76×
2.16×
Q3 24
1.48×
1.66×
Q2 24
1.82×
0.90×
Q1 24
1.28×
0.92×

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%

KAI
KAI

Flow Control$94.8M35%
Capital$83.2M31%
Material Handling Systems$70.3M26%
Transferred Over Time$17.1M6%
Other$6.1M2%

Related Comparisons