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Side-by-side financial comparison of Eos Energy Enterprises, Inc. (EOSE) and OCTAVE SPECIALTY GROUP INC (OSG). Click either name above to swap in a different company.

OCTAVE SPECIALTY GROUP INC is the larger business by last-quarter revenue ($66.9M vs $58.0M, roughly 1.2× Eos Energy Enterprises, Inc.). OCTAVE SPECIALTY GROUP INC runs the higher net margin — -73.8% vs -207.7%, a 133.9% gap on every dollar of revenue. On growth, Eos Energy Enterprises, Inc. posted the faster year-over-year revenue change (699.6% vs 2.6%).

Eos Energy Enterprises, Inc. is an energy storage solutions provider that designs, produces and deploys safe long-duration zinc-based battery systems. It serves utility, commercial, industrial and microgrid customers across North America, Europe and Asia, supporting grid stability and renewable energy integration.

Octave Specialty Group Inc. is a specialty insurance holding company that provides tailored property and casualty insurance products. Its core business focuses on excess and surplus lines, catering to commercial and individual clients across primary North American markets with customized risk coverage solutions.

EOSE vs OSG — Head-to-Head

Bigger by revenue
OSG
OSG
1.2× larger
OSG
$66.9M
$58.0M
EOSE
Growing faster (revenue YoY)
EOSE
EOSE
+697.1% gap
EOSE
699.6%
2.6%
OSG
Higher net margin
OSG
OSG
133.9% more per $
OSG
-73.8%
-207.7%
EOSE

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
EOSE
EOSE
OSG
OSG
Revenue
$58.0M
$66.9M
Net Profit
$-120.5M
$-29.7M
Gross Margin
-93.8%
Operating Margin
-140.1%
-76.7%
Net Margin
-207.7%
-73.8%
Revenue YoY
699.6%
2.6%
Net Profit YoY
55.1%
-41.7%
EPS (diluted)
$-0.53
$-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
EOSE
EOSE
OSG
OSG
Q4 25
$58.0M
$66.9M
Q3 25
$30.5M
$66.6M
Q2 25
$15.2M
$55.0M
Q1 25
$10.5M
$62.8M
Q4 24
$7.3M
$65.2M
Q3 24
$70.0M
Q2 24
$51.0M
Q1 24
$49.6M
Net Profit
EOSE
EOSE
OSG
OSG
Q4 25
$-120.5M
$-29.7M
Q3 25
$-641.4M
$-112.6M
Q2 25
$-222.9M
$-72.7M
Q1 25
$15.1M
$-44.7M
Q4 24
$-268.1M
$-20.9M
Q3 24
$-27.5M
Q2 24
$-750.0K
Q1 24
$20.8M
Gross Margin
EOSE
EOSE
OSG
OSG
Q4 25
-93.8%
Q3 25
-111.2%
Q2 25
-203.2%
Q1 25
-234.7%
Q4 24
-324.0%
Q3 24
Q2 24
Q1 24
Operating Margin
EOSE
EOSE
OSG
OSG
Q4 25
-140.1%
-76.7%
Q3 25
-200.6%
-48.2%
Q2 25
-419.1%
-41.8%
Q1 25
-506.2%
-24.1%
Q4 24
-712.8%
-55.5%
Q3 24
-29.7%
Q2 24
-28.9%
Q1 24
-6.5%
Net Margin
EOSE
EOSE
OSG
OSG
Q4 25
-207.7%
-73.8%
Q3 25
-2102.1%
-169.1%
Q2 25
-1463.2%
-132.3%
Q1 25
144.7%
-71.3%
Q4 24
-3696.7%
-55.1%
Q3 24
-39.3%
Q2 24
-1.5%
Q1 24
41.9%
EPS (diluted)
EOSE
EOSE
OSG
OSG
Q4 25
$-0.53
$-0.82
Q3 25
$-4.91
$-2.35
Q2 25
$-1.05
$-1.54
Q1 25
$-0.20
$-1.22
Q4 24
$-2.30
$-11.75
Q3 24
$-0.63
Q2 24
$-0.02
Q1 24
$0.44

Balance Sheet & Financial Strength

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

Metric
EOSE
EOSE
OSG
OSG
Cash + ST InvestmentsLiquidity on hand
$568.0M
$146.4M
Total DebtLower is stronger
$813.3M
$117.6M
Stockholders' EquityBook value
$-2.2B
$715.8M
Total Assets
$885.2M
$2.2B
Debt / EquityLower = less leverage
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
EOSE
EOSE
OSG
OSG
Q4 25
$568.0M
$146.4M
Q3 25
$58.7M
$27.5M
Q2 25
$120.2M
$22.5M
Q1 25
$82.6M
$34.1M
Q4 24
$74.3M
$157.2M
Q3 24
$40.8M
Q2 24
$14.6M
Q1 24
$13.8M
Total Debt
EOSE
EOSE
OSG
OSG
Q4 25
$813.3M
$117.6M
Q3 25
$448.5M
Q2 25
$445.3M
Q1 25
$325.5M
Q4 24
$316.9M
$0
Q3 24
$518.0M
Q2 24
$515.0M
Q1 24
$512.0M
Stockholders' Equity
EOSE
EOSE
OSG
OSG
Q4 25
$-2.2B
$715.8M
Q3 25
$-2.3B
$843.4M
Q2 25
$-1.1B
$859.8M
Q1 25
$-942.2M
$852.2M
Q4 24
$-1.1B
$798.4M
Q3 24
$1.5B
Q2 24
$1.4B
Q1 24
$1.4B
Total Assets
EOSE
EOSE
OSG
OSG
Q4 25
$885.2M
$2.2B
Q3 25
$328.2M
$2.1B
Q2 25
$361.0M
$8.5B
Q1 25
$263.3M
$8.3B
Q4 24
$260.3M
$8.1B
Q3 24
$9.3B
Q2 24
$8.2B
Q1 24
$8.4B
Debt / Equity
EOSE
EOSE
OSG
OSG
Q4 25
0.16×
Q3 25
Q2 25
Q1 25
Q4 24
0.00×
Q3 24
0.35×
Q2 24
0.38×
Q1 24
0.38×

Cash Flow & Capital Efficiency

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

Metric
EOSE
EOSE
OSG
OSG
Operating Cash FlowLast quarter
$-50.3M
$-52.3M
Free Cash FlowOCF − Capex
$-75.2M
FCF MarginFCF / Revenue
-129.7%
Capex IntensityCapex / Revenue
43.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-265.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
EOSE
EOSE
OSG
OSG
Q4 25
$-50.3M
$-52.3M
Q3 25
$-65.9M
$-41.2M
Q2 25
$-66.1M
$2.1M
Q1 25
$-28.9M
$-12.6M
Q4 24
$-42.7M
$762.0K
Q3 24
$48.9M
Q2 24
$20.4M
Q1 24
$7.1M
Free Cash Flow
EOSE
EOSE
OSG
OSG
Q4 25
$-75.2M
Q3 25
$-82.7M
Q2 25
$-73.2M
Q1 25
$-33.8M
Q4 24
$-55.8M
Q3 24
Q2 24
Q1 24
FCF Margin
EOSE
EOSE
OSG
OSG
Q4 25
-129.7%
Q3 25
-271.1%
Q2 25
-480.2%
Q1 25
-323.6%
Q4 24
-769.1%
Q3 24
Q2 24
Q1 24
Capex Intensity
EOSE
EOSE
OSG
OSG
Q4 25
43.1%
Q3 25
55.2%
Q2 25
46.2%
Q1 25
47.0%
Q4 24
180.6%
Q3 24
Q2 24
Q1 24
Cash Conversion
EOSE
EOSE
OSG
OSG
Q4 25
Q3 25
Q2 25
Q1 25
-1.91×
Q4 24
Q3 24
Q2 24
Q1 24
0.34×

Financial Flow Comparison

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

Revenue Breakdown by Segment

EOSE
EOSE

Segment breakdown not available.

OSG
OSG

Other$28.7M43%
Specialty Property Casualty Program$23.1M34%
Accident Health$9.6M14%
Specialty Automobile$3.1M5%
Niche Specialty Risks$2.4M4%

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