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

ASTRONICS CORP is the larger business by last-quarter revenue ($240.1M vs $183.1M, roughly 1.3× Amphastar Pharmaceuticals, Inc.). On growth, ASTRONICS CORP posted the faster year-over-year revenue change (15.1% vs -1.8%). Amphastar Pharmaceuticals, Inc. produced more free cash flow last quarter ($24.6M vs $15.8M). Over the past eight quarters, ASTRONICS CORP's revenue compounded faster (13.9% 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.

Astronics Corporation is an American aerospace electronics corporation founded in 1968, headquartered in East Aurora, New York. It is traded on NASDAQ as Nasdaq: ATRO. It is known for lighting and electronics integrations on military, commercial, and business aircraft and semiconductor test systems.

AMPH vs ATRO — Head-to-Head

Bigger by revenue
ATRO
ATRO
1.3× larger
ATRO
$240.1M
$183.1M
AMPH
Growing faster (revenue YoY)
ATRO
ATRO
+17.0% gap
ATRO
15.1%
-1.8%
AMPH
More free cash flow
AMPH
AMPH
$8.8M more FCF
AMPH
$24.6M
$15.8M
ATRO
Faster 2-yr revenue CAGR
ATRO
ATRO
Annualised
ATRO
13.9%
3.2%
AMPH

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPH
AMPH
ATRO
ATRO
Revenue
$183.1M
$240.1M
Net Profit
$24.4M
Gross Margin
46.8%
33.3%
Operating Margin
19.4%
14.8%
Net Margin
13.3%
Revenue YoY
-1.8%
15.1%
Net Profit YoY
-35.7%
EPS (diluted)
$0.51
$0.82

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
ATRO
ATRO
Q4 25
$183.1M
$240.1M
Q3 25
$191.8M
$211.4M
Q2 25
$174.4M
$204.7M
Q1 25
$170.5M
$205.9M
Q4 24
$186.5M
$208.5M
Q3 24
$191.2M
$203.7M
Q2 24
$182.4M
$198.1M
Q1 24
$171.8M
$185.1M
Net Profit
AMPH
AMPH
ATRO
ATRO
Q4 25
$24.4M
Q3 25
$17.4M
$-11.1M
Q2 25
$31.0M
$1.3M
Q1 25
$25.3M
$9.5M
Q4 24
$38.0M
Q3 24
$40.4M
$-11.7M
Q2 24
$37.9M
$1.5M
Q1 24
$43.2M
$-3.2M
Gross Margin
AMPH
AMPH
ATRO
ATRO
Q4 25
46.8%
33.3%
Q3 25
51.4%
30.5%
Q2 25
49.6%
25.8%
Q1 25
50.0%
29.5%
Q4 24
46.5%
29.8%
Q3 24
53.3%
27.1%
Q2 24
52.2%
28.0%
Q1 24
52.4%
25.7%
Operating Margin
AMPH
AMPH
ATRO
ATRO
Q4 25
19.4%
14.8%
Q3 25
13.2%
10.9%
Q2 25
24.2%
2.3%
Q1 25
21.9%
6.4%
Q4 24
24.2%
4.3%
Q3 24
29.8%
4.1%
Q2 24
30.3%
3.8%
Q1 24
27.9%
0.9%
Net Margin
AMPH
AMPH
ATRO
ATRO
Q4 25
13.3%
Q3 25
9.0%
-5.2%
Q2 25
17.8%
0.6%
Q1 25
14.8%
4.6%
Q4 24
20.4%
Q3 24
21.1%
-5.8%
Q2 24
20.8%
0.8%
Q1 24
25.1%
-1.7%
EPS (diluted)
AMPH
AMPH
ATRO
ATRO
Q4 25
$0.51
$0.82
Q3 25
$0.37
$-0.31
Q2 25
$0.64
$0.04
Q1 25
$0.51
$0.26
Q4 24
$0.74
$-0.07
Q3 24
$0.78
$-0.34
Q2 24
$0.73
$0.04
Q1 24
$0.81
$-0.09

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
ATRO
ATRO
Cash + ST InvestmentsLiquidity on hand
$282.8M
$18.2M
Total DebtLower is stronger
$608.7M
Stockholders' EquityBook value
$788.8M
$140.1M
Total Assets
$1.6B
$706.7M
Debt / EquityLower = less leverage
0.77×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
ATRO
ATRO
Q4 25
$282.8M
$18.2M
Q3 25
$276.2M
$13.5M
Q2 25
$231.8M
$13.5M
Q1 25
$236.9M
$24.8M
Q4 24
$221.6M
$9.3M
Q3 24
$250.5M
$5.2M
Q2 24
$217.8M
$2.9M
Q1 24
$289.6M
$5.3M
Total Debt
AMPH
AMPH
ATRO
ATRO
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
ATRO
ATRO
Q4 25
$788.8M
$140.1M
Q3 25
$776.7M
$108.9M
Q2 25
$757.5M
$271.6M
Q1 25
$751.3M
$266.8M
Q4 24
$732.3M
$256.1M
Q3 24
$727.7M
$249.2M
Q2 24
$713.3M
$257.9M
Q1 24
$672.4M
$251.7M
Total Assets
AMPH
AMPH
ATRO
ATRO
Q4 25
$1.6B
$706.7M
Q3 25
$1.7B
$682.2M
Q2 25
$1.6B
$646.7M
Q1 25
$1.6B
$662.2M
Q4 24
$1.6B
$648.8M
Q3 24
$1.5B
$651.6M
Q2 24
$1.5B
$644.9M
Q1 24
$1.6B
$630.0M
Debt / Equity
AMPH
AMPH
ATRO
ATRO
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
ATRO
ATRO
Operating Cash FlowLast quarter
$32.9M
$27.6M
Free Cash FlowOCF − Capex
$24.6M
$15.8M
FCF MarginFCF / Revenue
13.4%
6.6%
Capex IntensityCapex / Revenue
4.5%
4.9%
Cash ConversionOCF / Net Profit
1.35×
TTM Free Cash FlowTrailing 4 quarters
$121.2M
$43.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
ATRO
ATRO
Q4 25
$32.9M
$27.6M
Q3 25
$52.6M
$34.2M
Q2 25
$35.6M
$-7.6M
Q1 25
$35.1M
$20.6M
Q4 24
$29.0M
$26.4M
Q3 24
$60.0M
$8.4M
Q2 24
$69.1M
$-6.3M
Q1 24
$55.3M
$2.0M
Free Cash Flow
AMPH
AMPH
ATRO
ATRO
Q4 25
$24.6M
$15.8M
Q3 25
$47.2M
$21.0M
Q2 25
$25.0M
$-12.2M
Q1 25
$24.4M
$18.5M
Q4 24
$16.6M
$23.2M
Q3 24
$46.2M
$6.5M
Q2 24
$63.1M
$-8.1M
Q1 24
$46.5M
$439.0K
FCF Margin
AMPH
AMPH
ATRO
ATRO
Q4 25
13.4%
6.6%
Q3 25
24.6%
9.9%
Q2 25
14.3%
-6.0%
Q1 25
14.3%
9.0%
Q4 24
8.9%
11.1%
Q3 24
24.1%
3.2%
Q2 24
34.6%
-4.1%
Q1 24
27.1%
0.2%
Capex Intensity
AMPH
AMPH
ATRO
ATRO
Q4 25
4.5%
4.9%
Q3 25
2.8%
6.2%
Q2 25
6.1%
2.2%
Q1 25
6.3%
1.0%
Q4 24
6.7%
1.5%
Q3 24
7.2%
0.9%
Q2 24
3.3%
0.9%
Q1 24
5.1%
0.9%
Cash Conversion
AMPH
AMPH
ATRO
ATRO
Q4 25
1.35×
Q3 25
3.03×
Q2 25
1.15×
-5.81×
Q1 25
1.39×
2.17×
Q4 24
0.76×
Q3 24
1.48×
Q2 24
1.82×
-4.08×
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%

ATRO
ATRO

Product Line Electrical Power And Motion$113.8M47%
Product Line Avionics$32.0M13%
Military Aircraft$28.0M12%
General Aviation$22.3M9%
Government And Defense$20.5M9%
Product Line Systems Certification$13.2M6%
Product Line Structures$3.7M2%
Product Line Other$2.3M1%

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