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Side-by-side financial comparison of Epsilon Energy Ltd. (EPSN) and Spero Therapeutics, Inc. (SPRO). Click either name above to swap in a different company.

Epsilon Energy Ltd. is the larger business by last-quarter revenue ($14.8M vs $12.6M, roughly 1.2× Spero Therapeutics, Inc.). Spero Therapeutics, Inc. runs the higher net margin — 250.7% vs -83.9%, a 334.6% gap on every dollar of revenue. On growth, Spero Therapeutics, Inc. posted the faster year-over-year revenue change (24080.8% vs 65.7%). Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs 36.2%).

Epsilon Composite is a French company created in 1987 by Stephane LULL, its current CEO. The company was founded in January 1987. Its production site is located in Gaillan, France. Stéphane Lull is the CEO.

EPSN vs SPRO — Head-to-Head

Bigger by revenue
EPSN
EPSN
1.2× larger
EPSN
$14.8M
$12.6M
SPRO
Growing faster (revenue YoY)
SPRO
SPRO
+24015.0% gap
SPRO
24080.8%
65.7%
EPSN
Higher net margin
SPRO
SPRO
334.6% more per $
SPRO
250.7%
-83.9%
EPSN
Faster 2-yr revenue CAGR
SPRO
SPRO
Annualised
SPRO
847.7%
36.2%
EPSN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
EPSN
EPSN
SPRO
SPRO
Revenue
$14.8M
$12.6M
Net Profit
$-12.4M
$31.5M
Gross Margin
Operating Margin
-129.0%
Net Margin
-83.9%
250.7%
Revenue YoY
65.7%
24080.8%
Net Profit YoY
-1535.0%
250.9%
EPS (diluted)
$-0.55
$0.56

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
EPSN
EPSN
SPRO
SPRO
Q4 25
$14.8M
$12.6M
Q3 25
$9.0M
$0
Q2 25
$11.6M
$0
Q1 25
$16.2M
$12.0K
Q4 24
$8.9M
$52.0K
Q3 24
$7.3M
$65.0K
Q2 24
$7.3M
$114.0K
Q1 24
$8.0M
$140.0K
Net Profit
EPSN
EPSN
SPRO
SPRO
Q4 25
$-12.4M
$31.5M
Q3 25
$1.1M
$-7.4M
Q2 25
$1.6M
$-1.7M
Q1 25
$4.0M
$-13.9M
Q4 24
$-760.8K
Q3 24
$366.0K
$-17.1M
Q2 24
$815.7K
$-17.9M
Q1 24
$1.5M
$-12.7M
Operating Margin
EPSN
EPSN
SPRO
SPRO
Q4 25
-129.0%
Q3 25
6.7%
Q2 25
7.1%
Q1 25
44.3%
-122758.3%
Q4 24
6.8%
Q3 24
3.3%
-28604.6%
Q2 24
16.0%
-16720.2%
Q1 24
17.6%
-9987.1%
Net Margin
EPSN
EPSN
SPRO
SPRO
Q4 25
-83.9%
250.7%
Q3 25
11.9%
Q2 25
13.3%
Q1 25
24.8%
-115550.0%
Q4 24
-8.5%
Q3 24
5.0%
-26380.0%
Q2 24
11.2%
-15668.4%
Q1 24
18.9%
-9049.3%
EPS (diluted)
EPSN
EPSN
SPRO
SPRO
Q4 25
$-0.55
$0.56
Q3 25
$0.05
$-0.13
Q2 25
$0.07
$-0.03
Q1 25
$0.18
$-0.25
Q4 24
$-0.04
Q3 24
$0.02
$-0.32
Q2 24
$0.04
$-0.33
Q1 24
$0.07
$-0.24

Balance Sheet & Financial Strength

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

Metric
EPSN
EPSN
SPRO
SPRO
Cash + ST InvestmentsLiquidity on hand
$9.0M
$40.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$124.7M
$59.0M
Total Assets
$228.2M
$68.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
EPSN
EPSN
SPRO
SPRO
Q4 25
$9.0M
$40.3M
Q3 25
$12.8M
$48.6M
Q2 25
$9.9M
$31.2M
Q1 25
$6.9M
$48.9M
Q4 24
$6.5M
$52.9M
Q3 24
$8.3M
$76.3M
Q2 24
$8.6M
$63.5M
Q1 24
$2.3M
$82.3M
Stockholders' Equity
EPSN
EPSN
SPRO
SPRO
Q4 25
$124.7M
$59.0M
Q3 25
$100.2M
$26.5M
Q2 25
$100.2M
$32.8M
Q1 25
$99.7M
$33.8M
Q4 24
$96.7M
$46.1M
Q3 24
$98.4M
$65.5M
Q2 24
$99.6M
$80.5M
Q1 24
$99.9M
$96.2M
Total Assets
EPSN
EPSN
SPRO
SPRO
Q4 25
$228.2M
$68.9M
Q3 25
$126.3M
$54.2M
Q2 25
$123.6M
$62.1M
Q1 25
$125.5M
$77.7M
Q4 24
$120.5M
$110.5M
Q3 24
$121.8M
$135.2M
Q2 24
$121.1M
$149.9M
Q1 24
$125.1M
$167.7M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
EPSN
EPSN
SPRO
SPRO
Operating Cash FlowLast quarter
$-277.0K
$-8.4M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
-0.26×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
EPSN
EPSN
SPRO
SPRO
Q4 25
$-277.0K
$-8.4M
Q3 25
$4.0M
$17.4M
Q2 25
$8.3M
$-17.7M
Q1 25
$8.6M
$-4.0M
Q4 24
$5.0M
$-23.4M
Q3 24
$2.7M
$12.8M
Q2 24
$5.4M
$-18.7M
Q1 24
$3.7M
$5.9M
Cash Conversion
EPSN
EPSN
SPRO
SPRO
Q4 25
-0.26×
Q3 25
3.70×
Q2 25
5.38×
Q1 25
2.14×
Q4 24
Q3 24
7.50×
Q2 24
6.60×
Q1 24
2.45×

Financial Flow Comparison

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

Revenue Breakdown by Segment

EPSN
EPSN

Gas Oil Ngls And Condensate$13.3M90%
Gas Gathering And Compression$1.5M10%

SPRO
SPRO

Segment breakdown not available.

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