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Side-by-side financial comparison of Atlas Energy Solutions Inc. (AESI) and REPLIGEN CORP (RGEN). Click either name above to swap in a different company.

Atlas Energy Solutions Inc. is the larger business by last-quarter revenue ($249.4M vs $197.9M, roughly 1.3× REPLIGEN CORP). REPLIGEN CORP runs the higher net margin — 6.7% vs -8.9%, a 15.6% gap on every dollar of revenue. On growth, REPLIGEN CORP posted the faster year-over-year revenue change (13.6% vs -8.1%). REPLIGEN CORP produced more free cash flow last quarter ($17.6M vs $-18.1M). Over the past eight quarters, REPLIGEN CORP's revenue compounded faster (14.4% CAGR vs 13.8%).

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.

Repligen Corporation is a global life sciences company devoted to the development and commercialization of innovative bioprocessing technologies and systems that enable efficiencies in the process of manufacturing biological drugs.2025 The company is based in Waltham, Massachusetts,2014 and was incorporated in Delaware in 1981. A public company, Repligen is listed on the NASDAQ exchange under the symbol RGEN. As of 2025, Repligen employs over 1,900 employees globally and serves primarily biop...

AESI vs RGEN — Head-to-Head

Bigger by revenue
AESI
AESI
1.3× larger
AESI
$249.4M
$197.9M
RGEN
Growing faster (revenue YoY)
RGEN
RGEN
+21.7% gap
RGEN
13.6%
-8.1%
AESI
Higher net margin
RGEN
RGEN
15.6% more per $
RGEN
6.7%
-8.9%
AESI
More free cash flow
RGEN
RGEN
$35.7M more FCF
RGEN
$17.6M
$-18.1M
AESI
Faster 2-yr revenue CAGR
RGEN
RGEN
Annualised
RGEN
14.4%
13.8%
AESI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AESI
AESI
RGEN
RGEN
Revenue
$249.4M
$197.9M
Net Profit
$-22.2M
$13.3M
Gross Margin
8.1%
52.5%
Operating Margin
-6.0%
9.0%
Net Margin
-8.9%
6.7%
Revenue YoY
-8.1%
13.6%
Net Profit YoY
-254.5%
143.9%
EPS (diluted)
$-0.19
$0.24

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
RGEN
RGEN
Q4 25
$249.4M
$197.9M
Q3 25
$259.6M
$188.8M
Q2 25
$288.7M
$182.4M
Q1 25
$297.6M
$169.2M
Q4 24
$271.3M
$174.1M
Q3 24
$304.4M
$154.9M
Q2 24
$287.5M
$154.1M
Q1 24
$192.7M
$151.3M
Net Profit
AESI
AESI
RGEN
RGEN
Q4 25
$-22.2M
$13.3M
Q3 25
$-23.7M
$14.9M
Q2 25
$-5.6M
$14.9M
Q1 25
$1.2M
$5.8M
Q4 24
$14.4M
$-30.3M
Q3 24
$3.9M
$-654.0K
Q2 24
$14.8M
$3.3M
Q1 24
$26.8M
$2.1M
Gross Margin
AESI
AESI
RGEN
RGEN
Q4 25
8.1%
52.5%
Q3 25
9.2%
53.2%
Q2 25
18.1%
50.0%
Q1 25
18.3%
53.6%
Q4 24
18.4%
26.1%
Q3 24
17.4%
50.0%
Q2 24
21.0%
49.8%
Q1 24
35.7%
49.5%
Operating Margin
AESI
AESI
RGEN
RGEN
Q4 25
-6.0%
9.0%
Q3 25
-7.1%
8.9%
Q2 25
2.5%
7.6%
Q1 25
5.2%
3.9%
Q4 24
11.3%
-17.7%
Q3 24
5.0%
-5.1%
Q2 24
9.8%
1.0%
Q1 24
20.6%
1.3%
Net Margin
AESI
AESI
RGEN
RGEN
Q4 25
-8.9%
6.7%
Q3 25
-9.1%
7.9%
Q2 25
-1.9%
8.2%
Q1 25
0.4%
3.4%
Q4 24
5.3%
-17.4%
Q3 24
1.3%
-0.4%
Q2 24
5.2%
2.2%
Q1 24
13.9%
1.4%
EPS (diluted)
AESI
AESI
RGEN
RGEN
Q4 25
$-0.19
$0.24
Q3 25
$-0.19
$0.26
Q2 25
$-0.04
$0.26
Q1 25
$0.01
$0.10
Q4 24
$0.12
$-0.55
Q3 24
$0.04
$-0.01
Q2 24
$0.13
$0.06
Q1 24
$0.26
$0.04

Balance Sheet & Financial Strength

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

Metric
AESI
AESI
RGEN
RGEN
Cash + ST InvestmentsLiquidity on hand
$767.6M
Total DebtLower is stronger
$604.2M
$542.2M
Stockholders' EquityBook value
$1.2B
$2.1B
Total Assets
$2.2B
$2.9B
Debt / EquityLower = less leverage
0.50×
0.26×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AESI
AESI
RGEN
RGEN
Q4 25
$767.6M
Q3 25
$748.7M
Q2 25
$708.9M
Q1 25
$697.2M
Q4 24
$757.4M
Q3 24
$784.0M
Q2 24
$809.1M
Q1 24
$780.6M
Total Debt
AESI
AESI
RGEN
RGEN
Q4 25
$604.2M
$542.2M
Q3 25
$529.1M
$537.9M
Q2 25
$533.8M
Q1 25
$538.5M
Q4 24
$0
$525.6M
Q3 24
$180.0M
Q2 24
$180.0M
Q1 24
$180.0M
Stockholders' Equity
AESI
AESI
RGEN
RGEN
Q4 25
$1.2B
$2.1B
Q3 25
$1.2B
$2.1B
Q2 25
$1.3B
$2.1B
Q1 25
$1.3B
$2.0B
Q4 24
$1.0B
$2.0B
Q3 24
$1.0B
$2.0B
Q2 24
$1.1B
$2.0B
Q1 24
$1.1B
$2.0B
Total Assets
AESI
AESI
RGEN
RGEN
Q4 25
$2.2B
$2.9B
Q3 25
$2.2B
$2.9B
Q2 25
$2.2B
$2.9B
Q1 25
$2.3B
$2.9B
Q4 24
$2.0B
$2.8B
Q3 24
$2.0B
$2.8B
Q2 24
$2.0B
$2.9B
Q1 24
$1.9B
$2.8B
Debt / Equity
AESI
AESI
RGEN
RGEN
Q4 25
0.50×
0.26×
Q3 25
0.43×
0.26×
Q2 25
0.42×
Q1 25
0.41×
Q4 24
0.00×
0.27×
Q3 24
0.17×
Q2 24
0.17×
Q1 24
0.17×

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
RGEN
RGEN
Operating Cash FlowLast quarter
$3.7M
$25.7M
Free Cash FlowOCF − Capex
$-18.1M
$17.6M
FCF MarginFCF / Revenue
-7.3%
8.9%
Capex IntensityCapex / Revenue
8.7%
4.1%
Cash ConversionOCF / Net Profit
1.93×
TTM Free Cash FlowTrailing 4 quarters
$-30.9M
$93.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AESI
AESI
RGEN
RGEN
Q4 25
$3.7M
$25.7M
Q3 25
$32.4M
$48.1M
Q2 25
$88.6M
$28.6M
Q1 25
$-7.5M
$15.0M
Q4 24
$70.9M
$39.2M
Q3 24
$85.2M
$49.3M
Q2 24
$60.9M
$42.2M
Q1 24
$39.6M
$44.7M
Free Cash Flow
AESI
AESI
RGEN
RGEN
Q4 25
$-18.1M
$17.6M
Q3 25
$-1.4M
$43.4M
Q2 25
$48.4M
$21.5M
Q1 25
$-59.8M
$11.4M
Q4 24
$-5.6M
$33.6M
Q3 24
$-1.1M
$42.3M
Q2 24
$-54.9M
$37.4M
Q1 24
$-55.9M
$36.4M
FCF Margin
AESI
AESI
RGEN
RGEN
Q4 25
-7.3%
8.9%
Q3 25
-0.5%
23.0%
Q2 25
16.8%
11.8%
Q1 25
-20.1%
6.8%
Q4 24
-2.1%
19.3%
Q3 24
-0.4%
27.3%
Q2 24
-19.1%
24.3%
Q1 24
-29.0%
24.0%
Capex Intensity
AESI
AESI
RGEN
RGEN
Q4 25
8.7%
4.1%
Q3 25
13.0%
2.5%
Q2 25
13.9%
3.9%
Q1 25
17.6%
2.1%
Q4 24
28.2%
3.2%
Q3 24
28.3%
4.5%
Q2 24
40.3%
3.1%
Q1 24
49.6%
5.5%
Cash Conversion
AESI
AESI
RGEN
RGEN
Q4 25
1.93×
Q3 25
3.23×
Q2 25
1.92×
Q1 25
-6.11×
2.57×
Q4 24
4.92×
Q3 24
21.74×
Q2 24
4.10×
12.70×
Q1 24
1.48×
21.35×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AESI
AESI

Services$126.2M51%
Products$105.2M42%
Moser Acquisition$18.1M7%

RGEN
RGEN

Segment breakdown not available.

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