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Side-by-side financial comparison of MGIC INVESTMENT CORP (MTG) and OCTAVE SPECIALTY GROUP INC (OSG). Click either name above to swap in a different company.

MGIC INVESTMENT CORP is the larger business by last-quarter revenue ($298.7M vs $40.2M, roughly 7.4× OCTAVE SPECIALTY GROUP INC). MGIC INVESTMENT CORP runs the higher net margin — 56.7% vs -73.8%, a 130.5% gap on every dollar of revenue. On growth, OCTAVE SPECIALTY GROUP INC posted the faster year-over-year revenue change (5.8% vs -0.9%). Over the past eight quarters, OCTAVE SPECIALTY GROUP INC's revenue compounded faster (50.6% CAGR vs 0.7%).

MGIC Investment Corporation NYSE: MTG ("MGIC") is a provider of private mortgage insurance in the United States. The company is headquartered in Milwaukee, Wisconsin.

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.

MTG vs OSG — Head-to-Head

Bigger by revenue
MTG
MTG
7.4× larger
MTG
$298.7M
$40.2M
OSG
Growing faster (revenue YoY)
OSG
OSG
+6.8% gap
OSG
5.8%
-0.9%
MTG
Higher net margin
MTG
MTG
130.5% more per $
MTG
56.7%
-73.8%
OSG
Faster 2-yr revenue CAGR
OSG
OSG
Annualised
OSG
50.6%
0.7%
MTG

Income Statement — Q4 2025 vs Q4 2025

Metric
MTG
MTG
OSG
OSG
Revenue
$298.7M
$40.2M
Net Profit
$169.3M
$-29.7M
Gross Margin
Operating Margin
71.2%
-76.7%
Net Margin
56.7%
-73.8%
Revenue YoY
-0.9%
5.8%
Net Profit YoY
-8.3%
-41.7%
EPS (diluted)
$0.75
$-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
MTG
MTG
OSG
OSG
Q4 25
$298.7M
$40.2M
Q3 25
$304.5M
$36.1M
Q2 25
$304.2M
$30.3M
Q1 25
$306.2M
$36.8M
Q4 24
$301.4M
$38.0M
Q3 24
$306.6M
$23.1M
Q2 24
$305.3M
$13.2M
Q1 24
$294.4M
$17.7M
Net Profit
MTG
MTG
OSG
OSG
Q4 25
$169.3M
$-29.7M
Q3 25
$191.1M
$-112.6M
Q2 25
$192.5M
$-72.7M
Q1 25
$185.5M
$-44.7M
Q4 24
$184.7M
$-20.9M
Q3 24
$200.0M
$-27.5M
Q2 24
$204.2M
$-750.0K
Q1 24
$174.1M
$20.8M
Operating Margin
MTG
MTG
OSG
OSG
Q4 25
71.2%
-76.7%
Q3 25
77.2%
-89.0%
Q2 25
80.9%
-75.8%
Q1 25
76.6%
-41.1%
Q4 24
77.9%
-55.5%
Q3 24
82.9%
-90.0%
Q2 24
85.1%
-111.6%
Q1 24
74.7%
-18.3%
Net Margin
MTG
MTG
OSG
OSG
Q4 25
56.7%
-73.8%
Q3 25
62.8%
-312.3%
Q2 25
63.3%
-239.8%
Q1 25
60.6%
-121.7%
Q4 24
61.3%
-55.1%
Q3 24
65.2%
-119.2%
Q2 24
66.9%
-5.7%
Q1 24
59.1%
117.2%
EPS (diluted)
MTG
MTG
OSG
OSG
Q4 25
$0.75
$-0.82
Q3 25
$0.83
$-2.35
Q2 25
$0.81
$-1.54
Q1 25
$0.75
$-1.22
Q4 24
$0.71
$-11.75
Q3 24
$0.77
$-0.63
Q2 24
$0.77
$-0.02
Q1 24
$0.64
$0.44

Balance Sheet & Financial Strength

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

Metric
MTG
MTG
OSG
OSG
Cash + ST InvestmentsLiquidity on hand
$369.0M
$146.4M
Total DebtLower is stronger
$117.6M
Stockholders' EquityBook value
$5.1B
$715.8M
Total Assets
$6.6B
$2.2B
Debt / EquityLower = less leverage
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MTG
MTG
OSG
OSG
Q4 25
$369.0M
$146.4M
Q3 25
$266.9M
$27.5M
Q2 25
$294.9M
$22.5M
Q1 25
$207.0M
$34.1M
Q4 24
$229.5M
$157.2M
Q3 24
$288.6M
$40.8M
Q2 24
$281.8M
$14.6M
Q1 24
$431.3M
$13.8M
Total Debt
MTG
MTG
OSG
OSG
Q4 25
$117.6M
Q3 25
Q2 25
Q1 25
Q4 24
$0
Q3 24
$518.0M
Q2 24
$515.0M
Q1 24
$512.0M
Stockholders' Equity
MTG
MTG
OSG
OSG
Q4 25
$5.1B
$715.8M
Q3 25
$5.2B
$843.4M
Q2 25
$5.2B
$859.8M
Q1 25
$5.1B
$852.2M
Q4 24
$5.2B
$798.4M
Q3 24
$5.3B
$1.5B
Q2 24
$5.1B
$1.4B
Q1 24
$5.1B
$1.4B
Total Assets
MTG
MTG
OSG
OSG
Q4 25
$6.6B
$2.2B
Q3 25
$6.6B
$2.1B
Q2 25
$6.5B
$8.5B
Q1 25
$6.5B
$8.3B
Q4 24
$6.5B
$8.1B
Q3 24
$6.7B
$9.3B
Q2 24
$6.5B
$8.2B
Q1 24
$6.5B
$8.4B
Debt / Equity
MTG
MTG
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
MTG
MTG
OSG
OSG
Operating Cash FlowLast quarter
$230.8M
Free Cash FlowOCF − Capex
$230.2M
FCF MarginFCF / Revenue
77.1%
Capex IntensityCapex / Revenue
0.2%
Cash ConversionOCF / Net Profit
1.36×
TTM Free Cash FlowTrailing 4 quarters
$851.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MTG
MTG
OSG
OSG
Q4 25
$230.8M
Q3 25
$215.4M
$-41.2M
Q2 25
$183.0M
$2.1M
Q1 25
$223.7M
$-12.6M
Q4 24
$182.4M
Q3 24
$182.9M
$48.9M
Q2 24
$169.2M
$20.4M
Q1 24
$190.5M
$7.1M
Free Cash Flow
MTG
MTG
OSG
OSG
Q4 25
$230.2M
Q3 25
$215.1M
Q2 25
$183.0M
Q1 25
$223.5M
Q4 24
$181.9M
Q3 24
$182.5M
Q2 24
$169.0M
Q1 24
FCF Margin
MTG
MTG
OSG
OSG
Q4 25
77.1%
Q3 25
70.6%
Q2 25
60.1%
Q1 25
73.0%
Q4 24
60.3%
Q3 24
59.5%
Q2 24
55.3%
Q1 24
Capex Intensity
MTG
MTG
OSG
OSG
Q4 25
0.2%
Q3 25
0.1%
Q2 25
0.0%
Q1 25
0.0%
Q4 24
0.2%
Q3 24
0.1%
Q2 24
0.1%
Q1 24
0.0%
Cash Conversion
MTG
MTG
OSG
OSG
Q4 25
1.36×
Q3 25
1.13×
Q2 25
0.95×
Q1 25
1.21×
Q4 24
0.99×
Q3 24
0.91×
Q2 24
0.83×
Q1 24
1.09×
0.34×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MTG
MTG

Segment breakdown not available.

OSG
OSG

Specialty Property Casualty Program$23.1M57%
Accident Health$9.6M24%
Specialty Automobile$3.1M8%
Niche Specialty Risks$2.4M6%
Other$2.0M5%

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