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

Atlas Energy Solutions Inc. is the larger business by last-quarter revenue ($265.6M vs $183.1M, roughly 1.5× Amphastar Pharmaceuticals, Inc.). Amphastar Pharmaceuticals, Inc. runs the higher net margin — 13.3% vs 0.5%, a 12.9% gap on every dollar of revenue. On growth, Amphastar Pharmaceuticals, Inc. posted the faster year-over-year revenue change (-1.8% vs -10.8%). Over the past eight quarters, Amphastar Pharmaceuticals, Inc.'s revenue compounded faster (3.2% CAGR vs -3.9%).

Atlas Copco Group is a Swedish multinational industrial company. It manufactures compressors, vacuum equipment, pumps, generators, assembly tools, quality assurance equipment and other products and systems for industrial applications and mobile power generation. The products are sold in around 180 countries.

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.

AESI vs AMPH — Head-to-Head

Bigger by revenue
AESI
AESI
1.5× larger
AESI
$265.6M
$183.1M
AMPH
Growing faster (revenue YoY)
AMPH
AMPH
+8.9% gap
AMPH
-1.8%
-10.8%
AESI
Higher net margin
AMPH
AMPH
12.9% more per $
AMPH
13.3%
0.5%
AESI
Faster 2-yr revenue CAGR
AMPH
AMPH
Annualised
AMPH
3.2%
-3.9%
AESI

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
AESI
AESI
AMPH
AMPH
Revenue
$265.6M
$183.1M
Net Profit
$1.2M
$24.4M
Gross Margin
2.4%
46.8%
Operating Margin
19.4%
Net Margin
0.5%
13.3%
Revenue YoY
-10.8%
-1.8%
Net Profit YoY
-35.7%
EPS (diluted)
$0.01
$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
AESI
AESI
AMPH
AMPH
Q1 26
$265.6M
Q4 25
$249.4M
$183.1M
Q3 25
$259.6M
$191.8M
Q2 25
$288.7M
$174.4M
Q1 25
$297.6M
$170.5M
Q4 24
$271.3M
$186.5M
Q3 24
$304.4M
$191.2M
Q2 24
$287.5M
$182.4M
Net Profit
AESI
AESI
AMPH
AMPH
Q1 26
$1.2M
Q4 25
$-22.2M
$24.4M
Q3 25
$-23.7M
$17.4M
Q2 25
$-5.6M
$31.0M
Q1 25
$1.2M
$25.3M
Q4 24
$14.4M
$38.0M
Q3 24
$3.9M
$40.4M
Q2 24
$14.8M
$37.9M
Gross Margin
AESI
AESI
AMPH
AMPH
Q1 26
2.4%
Q4 25
8.1%
46.8%
Q3 25
9.2%
51.4%
Q2 25
18.1%
49.6%
Q1 25
18.3%
50.0%
Q4 24
18.4%
46.5%
Q3 24
17.4%
53.3%
Q2 24
21.0%
52.2%
Operating Margin
AESI
AESI
AMPH
AMPH
Q1 26
Q4 25
-6.0%
19.4%
Q3 25
-7.1%
13.2%
Q2 25
2.5%
24.2%
Q1 25
5.2%
21.9%
Q4 24
11.3%
24.2%
Q3 24
5.0%
29.8%
Q2 24
9.8%
30.3%
Net Margin
AESI
AESI
AMPH
AMPH
Q1 26
0.5%
Q4 25
-8.9%
13.3%
Q3 25
-9.1%
9.0%
Q2 25
-1.9%
17.8%
Q1 25
0.4%
14.8%
Q4 24
5.3%
20.4%
Q3 24
1.3%
21.1%
Q2 24
5.2%
20.8%
EPS (diluted)
AESI
AESI
AMPH
AMPH
Q1 26
$0.01
Q4 25
$-0.19
$0.51
Q3 25
$-0.19
$0.37
Q2 25
$-0.04
$0.64
Q1 25
$0.01
$0.51
Q4 24
$0.12
$0.74
Q3 24
$0.04
$0.78
Q2 24
$0.13
$0.73

Balance Sheet & Financial Strength

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

Metric
AESI
AESI
AMPH
AMPH
Cash + ST InvestmentsLiquidity on hand
$39.8M
$282.8M
Total DebtLower is stronger
$65.6M
$608.7M
Stockholders' EquityBook value
$1.2B
$788.8M
Total Assets
$2.3B
$1.6B
Debt / EquityLower = less leverage
0.06×
0.77×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AESI
AESI
AMPH
AMPH
Q1 26
$39.8M
Q4 25
$282.8M
Q3 25
$276.2M
Q2 25
$231.8M
Q1 25
$236.9M
Q4 24
$221.6M
Q3 24
$250.5M
Q2 24
$217.8M
Total Debt
AESI
AESI
AMPH
AMPH
Q1 26
$65.6M
Q4 25
$604.2M
$608.7M
Q3 25
$529.1M
$608.6M
Q2 25
$533.8M
$607.7M
Q1 25
$538.5M
$603.9M
Q4 24
$0
$601.6M
Q3 24
$180.0M
$596.4M
Q2 24
$180.0M
$586.9M
Stockholders' Equity
AESI
AESI
AMPH
AMPH
Q1 26
$1.2B
Q4 25
$1.2B
$788.8M
Q3 25
$1.2B
$776.7M
Q2 25
$1.3B
$757.5M
Q1 25
$1.3B
$751.3M
Q4 24
$1.0B
$732.3M
Q3 24
$1.0B
$727.7M
Q2 24
$1.1B
$713.3M
Total Assets
AESI
AESI
AMPH
AMPH
Q1 26
$2.3B
Q4 25
$2.2B
$1.6B
Q3 25
$2.2B
$1.7B
Q2 25
$2.2B
$1.6B
Q1 25
$2.3B
$1.6B
Q4 24
$2.0B
$1.6B
Q3 24
$2.0B
$1.5B
Q2 24
$2.0B
$1.5B
Debt / Equity
AESI
AESI
AMPH
AMPH
Q1 26
0.06×
Q4 25
0.50×
0.77×
Q3 25
0.43×
0.78×
Q2 25
0.42×
0.80×
Q1 25
0.41×
0.80×
Q4 24
0.00×
0.82×
Q3 24
0.17×
0.82×
Q2 24
0.17×
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
AESI
AESI
AMPH
AMPH
Operating Cash FlowLast quarter
$32.9M
Free Cash FlowOCF − Capex
$24.6M
FCF MarginFCF / Revenue
13.4%
Capex IntensityCapex / Revenue
9.3%
4.5%
Cash ConversionOCF / Net Profit
1.35×
TTM Free Cash FlowTrailing 4 quarters
$121.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AESI
AESI
AMPH
AMPH
Q1 26
Q4 25
$3.7M
$32.9M
Q3 25
$32.4M
$52.6M
Q2 25
$88.6M
$35.6M
Q1 25
$-7.5M
$35.1M
Q4 24
$70.9M
$29.0M
Q3 24
$85.2M
$60.0M
Q2 24
$60.9M
$69.1M
Free Cash Flow
AESI
AESI
AMPH
AMPH
Q1 26
Q4 25
$-18.1M
$24.6M
Q3 25
$-1.4M
$47.2M
Q2 25
$48.4M
$25.0M
Q1 25
$-59.8M
$24.4M
Q4 24
$-5.6M
$16.6M
Q3 24
$-1.1M
$46.2M
Q2 24
$-54.9M
$63.1M
FCF Margin
AESI
AESI
AMPH
AMPH
Q1 26
Q4 25
-7.3%
13.4%
Q3 25
-0.5%
24.6%
Q2 25
16.8%
14.3%
Q1 25
-20.1%
14.3%
Q4 24
-2.1%
8.9%
Q3 24
-0.4%
24.1%
Q2 24
-19.1%
34.6%
Capex Intensity
AESI
AESI
AMPH
AMPH
Q1 26
9.3%
Q4 25
8.7%
4.5%
Q3 25
13.0%
2.8%
Q2 25
13.9%
6.1%
Q1 25
17.6%
6.3%
Q4 24
28.2%
6.7%
Q3 24
28.3%
7.2%
Q2 24
40.3%
3.3%
Cash Conversion
AESI
AESI
AMPH
AMPH
Q1 26
Q4 25
1.35×
Q3 25
3.03×
Q2 25
1.15×
Q1 25
-6.11×
1.39×
Q4 24
4.92×
0.76×
Q3 24
21.74×
1.48×
Q2 24
4.10×
1.82×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

AESI
AESI

Service revenue$139.1M52%
Product revenue$108.9M41%
Rental revenue$17.5M7%

AMPH
AMPH

Other Products$62.4M34%
Baqsimi$46.7M26%
Primatenemist$27.9M15%
Epinephrine$17.1M9%
Lidocaine$14.9M8%
Glucagon$14.1M8%

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