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Side-by-side financial comparison of Inspire Medical Systems, Inc. (INSP) and PROASSURANCE CORP (PRA). Click either name above to swap in a different company.

PROASSURANCE CORP is the larger business by last-quarter revenue ($269.6M vs $204.6M, roughly 1.3× Inspire Medical Systems, Inc.). On growth, Inspire Medical Systems, Inc. posted the faster year-over-year revenue change (1.6% vs -7.1%). Over the past eight quarters, Inspire Medical Systems, Inc.'s revenue compounded faster (2.2% CAGR vs -2.7%).

Inspire Medical Systems, Inc. is a medical technology firm that develops, manufactures and commercializes implantable neurostimulation solutions for obstructive sleep apnea. Its core product serves patients intolerant to CPAP therapy, with main markets across North America, Europe, and select Asia-Pacific regions, operating in sleep medicine and otolaryngology segments.

ProAssurance Corporation, headquartered in Birmingham, Alabama, is a property and casualty company that sells professional liability insurance to doctors. The company was founded in 1976 as Mutual Assurance and was later renamed to Medical Assurance in 1997. The name "ProAssurance" was created in 2001 when Medical Assurance merged with Professionals Group. The company is currently the fourth largest medical professional liability insurance writer and has over $6 billion in assets.

INSP vs PRA — Head-to-Head

Bigger by revenue
PRA
PRA
1.3× larger
PRA
$269.6M
$204.6M
INSP
Growing faster (revenue YoY)
INSP
INSP
+8.7% gap
INSP
1.6%
-7.1%
PRA
Faster 2-yr revenue CAGR
INSP
INSP
Annualised
INSP
2.2%
-2.7%
PRA

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
INSP
INSP
PRA
PRA
Revenue
$204.6M
$269.6M
Net Profit
$33.4M
Gross Margin
86.5%
Operating Margin
13.0%
17.3%
Net Margin
12.4%
Revenue YoY
1.6%
-7.1%
Net Profit YoY
106.4%
EPS (diluted)
$-0.39
$0.65

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
INSP
INSP
PRA
PRA
Q1 26
$204.6M
Q4 25
$269.1M
$269.6M
Q3 25
$224.5M
$279.6M
Q2 25
$217.1M
$276.8M
Q1 25
$201.3M
$272.1M
Q4 24
$239.7M
$290.1M
Q3 24
$203.2M
$285.3M
Q2 24
$195.9M
$290.4M
Net Profit
INSP
INSP
PRA
PRA
Q1 26
Q4 25
$136.1M
$33.4M
Q3 25
$9.9M
$1.4M
Q2 25
$-3.6M
$21.9M
Q1 25
$3.0M
$-5.8M
Q4 24
$35.2M
$16.2M
Q3 24
$18.5M
$16.4M
Q2 24
$9.8M
$15.5M
Gross Margin
INSP
INSP
PRA
PRA
Q1 26
86.5%
Q4 25
86.6%
Q3 25
85.8%
Q2 25
84.0%
Q1 25
84.7%
Q4 24
85.0%
Q3 24
84.1%
Q2 24
84.8%
Operating Margin
INSP
INSP
PRA
PRA
Q1 26
13.0%
Q4 25
17.1%
17.3%
Q3 25
4.3%
1.6%
Q2 25
-1.5%
9.9%
Q1 25
-0.7%
-2.3%
Q4 24
13.3%
6.5%
Q3 24
7.0%
7.4%
Q2 24
2.6%
6.2%
Net Margin
INSP
INSP
PRA
PRA
Q1 26
Q4 25
50.6%
12.4%
Q3 25
4.4%
0.5%
Q2 25
-1.7%
7.9%
Q1 25
1.5%
-2.1%
Q4 24
14.7%
5.6%
Q3 24
9.1%
5.8%
Q2 24
5.0%
5.3%
EPS (diluted)
INSP
INSP
PRA
PRA
Q1 26
$-0.39
Q4 25
$4.57
$0.65
Q3 25
$0.34
$0.03
Q2 25
$-0.12
$0.42
Q1 25
$0.10
$-0.11
Q4 24
$1.17
$0.32
Q3 24
$0.60
$0.32
Q2 24
$0.32
$0.30

Balance Sheet & Financial Strength

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

Metric
INSP
INSP
PRA
PRA
Cash + ST InvestmentsLiquidity on hand
$98.9M
$36.5M
Total DebtLower is stronger
$420.4M
Stockholders' EquityBook value
$792.3M
$1.3B
Total Assets
$911.4M
$5.4B
Debt / EquityLower = less leverage
0.31×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
INSP
INSP
PRA
PRA
Q1 26
$98.9M
Q4 25
$308.3M
$36.5M
Q3 25
$322.6M
$54.5M
Q2 25
$300.9M
$41.6M
Q1 25
$369.2M
$43.5M
Q4 24
$445.5M
$54.9M
Q3 24
$411.0M
$45.3M
Q2 24
$439.7M
$36.9M
Total Debt
INSP
INSP
PRA
PRA
Q1 26
Q4 25
$420.4M
Q3 25
$421.5M
Q2 25
$422.6M
Q1 25
$423.7M
Q4 24
$424.9M
Q3 24
$425.9M
Q2 24
$426.9M
Stockholders' Equity
INSP
INSP
PRA
PRA
Q1 26
$792.3M
Q4 25
$781.2M
$1.3B
Q3 25
$666.5M
$1.3B
Q2 25
$677.8M
$1.3B
Q1 25
$635.7M
$1.2B
Q4 24
$689.7M
$1.2B
Q3 24
$696.6M
$1.2B
Q2 24
$638.1M
$1.1B
Total Assets
INSP
INSP
PRA
PRA
Q1 26
$911.4M
Q4 25
$907.3M
$5.4B
Q3 25
$807.7M
$5.6B
Q2 25
$802.2M
$5.5B
Q1 25
$730.8M
$5.5B
Q4 24
$808.4M
$5.6B
Q3 24
$796.2M
$5.7B
Q2 24
$728.4M
$5.6B
Debt / Equity
INSP
INSP
PRA
PRA
Q1 26
Q4 25
0.31×
Q3 25
0.32×
Q2 25
0.33×
Q1 25
0.34×
Q4 24
0.35×
Q3 24
0.35×
Q2 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
INSP
INSP
PRA
PRA
Operating Cash FlowLast quarter
$-25.6M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
-0.77×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
INSP
INSP
PRA
PRA
Q1 26
Q4 25
$52.5M
$-25.6M
Q3 25
$68.5M
$27.2M
Q2 25
$2.7M
$-28.1M
Q1 25
$-6.7M
$-11.6M
Q4 24
$69.2M
$-10.7M
Q3 24
$52.3M
$14.0M
Q2 24
$-78.0K
$-12.8M
Free Cash Flow
INSP
INSP
PRA
PRA
Q1 26
Q4 25
$41.8M
Q3 25
$58.1M
Q2 25
$-6.3M
Q1 25
$-15.1M
Q4 24
$62.2M
Q3 24
$44.3M
Q2 24
$-12.5M
FCF Margin
INSP
INSP
PRA
PRA
Q1 26
Q4 25
15.5%
Q3 25
25.9%
Q2 25
-2.9%
Q1 25
-7.5%
Q4 24
25.9%
Q3 24
21.8%
Q2 24
-6.4%
Capex Intensity
INSP
INSP
PRA
PRA
Q1 26
Q4 25
4.0%
Q3 25
4.6%
Q2 25
4.1%
Q1 25
4.2%
Q4 24
2.9%
Q3 24
3.9%
Q2 24
6.3%
Cash Conversion
INSP
INSP
PRA
PRA
Q1 26
Q4 25
0.39×
-0.77×
Q3 25
6.90×
18.81×
Q2 25
-1.28×
Q1 25
-2.24×
Q4 24
1.96×
-0.66×
Q3 24
2.83×
0.85×
Q2 24
-0.01×
-0.83×

Financial Flow Comparison

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

Revenue Breakdown by Segment

INSP
INSP

Segment breakdown not available.

PRA
PRA

Workers Compensation Insurance Segment$164.4M61%
Other$59.6M22%
Segregated Portfolio Cell Reinsurance$45.7M17%

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