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

NMI Holdings, Inc. is the larger business by last-quarter revenue ($180.7M vs $40.2M, roughly 4.5× OCTAVE SPECIALTY GROUP INC). NMI Holdings, Inc. runs the higher net margin — 52.1% vs -73.8%, a 125.9% gap on every dollar of revenue. On growth, NMI Holdings, Inc. posted the faster year-over-year revenue change (8.5% vs 5.8%). Over the past eight quarters, OCTAVE SPECIALTY GROUP INC's revenue compounded faster (50.6% CAGR vs 7.5%).

NMI Holdings, Inc. is a leading U.S.-headquartered private mortgage insurance provider. It offers mortgage guarantee insurance solutions to lending institutions to mitigate credit risks associated with residential home loans, primarily serving the U.S. domestic housing market, supporting accessible homeownership for qualified borrowers while shielding lenders from default-related losses.

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.

NMIH vs OSG — Head-to-Head

Bigger by revenue
NMIH
NMIH
4.5× larger
NMIH
$180.7M
$40.2M
OSG
Growing faster (revenue YoY)
NMIH
NMIH
+2.7% gap
NMIH
8.5%
5.8%
OSG
Higher net margin
NMIH
NMIH
125.9% more per $
NMIH
52.1%
-73.8%
OSG
Faster 2-yr revenue CAGR
OSG
OSG
Annualised
OSG
50.6%
7.5%
NMIH

Income Statement — Q4 2025 vs Q4 2025

Metric
NMIH
NMIH
OSG
OSG
Revenue
$180.7M
$40.2M
Net Profit
$94.2M
$-29.7M
Gross Margin
Operating Margin
67.0%
-76.7%
Net Margin
52.1%
-73.8%
Revenue YoY
8.5%
5.8%
Net Profit YoY
9.3%
-41.7%
EPS (diluted)
$1.21
$-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
NMIH
NMIH
OSG
OSG
Q4 25
$180.7M
$40.2M
Q3 25
$178.7M
$36.1M
Q2 25
$173.8M
$30.3M
Q1 25
$173.2M
$36.8M
Q4 24
$166.5M
$38.0M
Q3 24
$166.1M
$23.1M
Q2 24
$162.1M
$13.2M
Q1 24
$156.3M
$17.7M
Net Profit
NMIH
NMIH
OSG
OSG
Q4 25
$94.2M
$-29.7M
Q3 25
$96.0M
$-112.6M
Q2 25
$96.2M
$-72.7M
Q1 25
$102.6M
$-44.7M
Q4 24
$86.2M
$-20.9M
Q3 24
$92.8M
$-27.5M
Q2 24
$92.1M
$-750.0K
Q1 24
$89.0M
$20.8M
Operating Margin
NMIH
NMIH
OSG
OSG
Q4 25
67.0%
-76.7%
Q3 25
69.2%
-89.0%
Q2 25
71.1%
-75.8%
Q1 25
75.8%
-41.1%
Q4 24
66.6%
-55.5%
Q3 24
71.8%
-90.0%
Q2 24
73.2%
-111.6%
Q1 24
73.3%
-18.3%
Net Margin
NMIH
NMIH
OSG
OSG
Q4 25
52.1%
-73.8%
Q3 25
53.7%
-312.3%
Q2 25
55.3%
-239.8%
Q1 25
59.2%
-121.7%
Q4 24
51.8%
-55.1%
Q3 24
55.9%
-119.2%
Q2 24
56.8%
-5.7%
Q1 24
57.0%
117.2%
EPS (diluted)
NMIH
NMIH
OSG
OSG
Q4 25
$1.21
$-0.82
Q3 25
$1.22
$-2.35
Q2 25
$1.21
$-1.54
Q1 25
$1.28
$-1.22
Q4 24
$1.07
$-11.75
Q3 24
$1.15
$-0.63
Q2 24
$1.13
$-0.02
Q1 24
$1.08
$0.44

Balance Sheet & Financial Strength

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

Metric
NMIH
NMIH
OSG
OSG
Cash + ST InvestmentsLiquidity on hand
$146.4M
Total DebtLower is stronger
$117.6M
Stockholders' EquityBook value
$2.6B
$715.8M
Total Assets
$3.8B
$2.2B
Debt / EquityLower = less leverage
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NMIH
NMIH
OSG
OSG
Q4 25
$146.4M
Q3 25
$27.5M
Q2 25
$22.5M
Q1 25
$34.1M
Q4 24
$157.2M
Q3 24
$40.8M
Q2 24
$14.6M
Q1 24
$13.8M
Total Debt
NMIH
NMIH
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
NMIH
NMIH
OSG
OSG
Q4 25
$2.6B
$715.8M
Q3 25
$2.5B
$843.4M
Q2 25
$2.4B
$859.8M
Q1 25
$2.3B
$852.2M
Q4 24
$2.2B
$798.4M
Q3 24
$2.2B
$1.5B
Q2 24
$2.0B
$1.4B
Q1 24
$2.0B
$1.4B
Total Assets
NMIH
NMIH
OSG
OSG
Q4 25
$3.8B
$2.2B
Q3 25
$3.7B
$2.1B
Q2 25
$3.6B
$8.5B
Q1 25
$3.5B
$8.3B
Q4 24
$3.3B
$8.1B
Q3 24
$3.3B
$9.3B
Q2 24
$3.1B
$8.2B
Q1 24
$3.0B
$8.4B
Debt / Equity
NMIH
NMIH
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
NMIH
NMIH
OSG
OSG
Operating Cash FlowLast quarter
$61.7M
Free Cash FlowOCF − Capex
$60.1M
FCF MarginFCF / Revenue
33.3%
Capex IntensityCapex / Revenue
0.9%
Cash ConversionOCF / Net Profit
0.66×
TTM Free Cash FlowTrailing 4 quarters
$412.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NMIH
NMIH
OSG
OSG
Q4 25
$61.7M
Q3 25
$128.0M
$-41.2M
Q2 25
$128.4M
$2.1M
Q1 25
$101.2M
$-12.6M
Q4 24
$35.8M
Q3 24
$128.4M
$48.9M
Q2 24
$117.8M
$20.4M
Q1 24
$111.6M
$7.1M
Free Cash Flow
NMIH
NMIH
OSG
OSG
Q4 25
$60.1M
Q3 25
$126.3M
Q2 25
$126.7M
Q1 25
$99.4M
Q4 24
$34.4M
Q3 24
$126.9M
Q2 24
$115.9M
Q1 24
$109.4M
FCF Margin
NMIH
NMIH
OSG
OSG
Q4 25
33.3%
Q3 25
70.7%
Q2 25
72.9%
Q1 25
57.4%
Q4 24
20.7%
Q3 24
76.4%
Q2 24
71.5%
Q1 24
70.0%
Capex Intensity
NMIH
NMIH
OSG
OSG
Q4 25
0.9%
Q3 25
1.0%
Q2 25
0.9%
Q1 25
1.0%
Q4 24
0.8%
Q3 24
0.9%
Q2 24
1.1%
Q1 24
1.4%
Cash Conversion
NMIH
NMIH
OSG
OSG
Q4 25
0.66×
Q3 25
1.33×
Q2 25
1.33×
Q1 25
0.99×
Q4 24
0.42×
Q3 24
1.38×
Q2 24
1.28×
Q1 24
1.25×
0.34×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NMIH
NMIH

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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