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Side-by-side financial comparison of PROASSURANCE CORP (PRA) and Ultragenyx Pharmaceutical Inc. (RARE). Click either name above to swap in a different company.

PROASSURANCE CORP is the larger business by last-quarter revenue ($269.6M vs $207.3M, roughly 1.3× Ultragenyx Pharmaceutical Inc.). PROASSURANCE CORP runs the higher net margin — 12.4% vs -62.0%, a 74.4% gap on every dollar of revenue. On growth, Ultragenyx Pharmaceutical Inc. posted the faster year-over-year revenue change (25.9% vs -7.1%). Over the past eight quarters, Ultragenyx Pharmaceutical Inc.'s revenue compounded faster (38.0% CAGR vs -2.7%).

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.

Ultragenyx Pharmaceutical Inc. is an American biopharmaceutical company involved in the research and development of novel products for treatment of rare and ultra-rare genetic diseases for which there are typically no approved treatments and high unmet medical need. The company works with multiple drug modalities including biologics, small molecule, gene therapies, and ASO and mRNAs in the disease categories of bone, endocrine, metabolic, muscle and CNS diseases.

PRA vs RARE — Head-to-Head

Bigger by revenue
PRA
PRA
1.3× larger
PRA
$269.6M
$207.3M
RARE
Growing faster (revenue YoY)
RARE
RARE
+32.9% gap
RARE
25.9%
-7.1%
PRA
Higher net margin
PRA
PRA
74.4% more per $
PRA
12.4%
-62.0%
RARE
Faster 2-yr revenue CAGR
RARE
RARE
Annualised
RARE
38.0%
-2.7%
PRA

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PRA
PRA
RARE
RARE
Revenue
$269.6M
$207.3M
Net Profit
$33.4M
$-128.6M
Gross Margin
Operating Margin
17.3%
-54.7%
Net Margin
12.4%
-62.0%
Revenue YoY
-7.1%
25.9%
Net Profit YoY
106.4%
3.5%
EPS (diluted)
$0.65
$-1.28

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
PRA
PRA
RARE
RARE
Q4 25
$269.6M
$207.3M
Q3 25
$279.6M
$159.9M
Q2 25
$276.8M
$166.5M
Q1 25
$272.1M
$139.3M
Q4 24
$290.1M
$164.6M
Q3 24
$285.3M
$139.5M
Q2 24
$290.4M
$147.0M
Q1 24
$284.7M
$108.8M
Net Profit
PRA
PRA
RARE
RARE
Q4 25
$33.4M
$-128.6M
Q3 25
$1.4M
$-180.4M
Q2 25
$21.9M
$-115.0M
Q1 25
$-5.8M
$-151.1M
Q4 24
$16.2M
$-133.2M
Q3 24
$16.4M
$-133.5M
Q2 24
$15.5M
$-131.6M
Q1 24
$4.6M
$-170.7M
Operating Margin
PRA
PRA
RARE
RARE
Q4 25
17.3%
-54.7%
Q3 25
1.6%
-106.9%
Q2 25
9.9%
-64.8%
Q1 25
-2.3%
-102.6%
Q4 24
6.5%
-74.3%
Q3 24
7.4%
-94.6%
Q2 24
6.2%
-79.1%
Q1 24
1.9%
-151.9%
Net Margin
PRA
PRA
RARE
RARE
Q4 25
12.4%
-62.0%
Q3 25
0.5%
-112.8%
Q2 25
7.9%
-69.0%
Q1 25
-2.1%
-108.5%
Q4 24
5.6%
-80.9%
Q3 24
5.8%
-95.7%
Q2 24
5.3%
-89.5%
Q1 24
1.6%
-156.8%
EPS (diluted)
PRA
PRA
RARE
RARE
Q4 25
$0.65
$-1.28
Q3 25
$0.03
$-1.81
Q2 25
$0.42
$-1.17
Q1 25
$-0.11
$-1.57
Q4 24
$0.32
$-1.34
Q3 24
$0.32
$-1.40
Q2 24
$0.30
$-1.52
Q1 24
$0.09
$-2.03

Balance Sheet & Financial Strength

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

Metric
PRA
PRA
RARE
RARE
Cash + ST InvestmentsLiquidity on hand
$36.5M
$421.0M
Total DebtLower is stronger
$420.4M
Stockholders' EquityBook value
$1.3B
$-80.0M
Total Assets
$5.4B
$1.5B
Debt / EquityLower = less leverage
0.31×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRA
PRA
RARE
RARE
Q4 25
$36.5M
$421.0M
Q3 25
$54.5M
$202.5M
Q2 25
$41.6M
$176.3M
Q1 25
$43.5M
$127.1M
Q4 24
$54.9M
$174.0M
Q3 24
$45.3M
$150.6M
Q2 24
$36.9M
$480.7M
Q1 24
$65.4M
$112.3M
Total Debt
PRA
PRA
RARE
RARE
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
Q1 24
$427.8M
Stockholders' Equity
PRA
PRA
RARE
RARE
Q4 25
$1.3B
$-80.0M
Q3 25
$1.3B
$9.2M
Q2 25
$1.3B
$151.3M
Q1 25
$1.2B
$144.2M
Q4 24
$1.2B
$255.0M
Q3 24
$1.2B
$346.8M
Q2 24
$1.1B
$432.4M
Q1 24
$1.1B
$140.3M
Total Assets
PRA
PRA
RARE
RARE
Q4 25
$5.4B
$1.5B
Q3 25
$5.6B
$1.2B
Q2 25
$5.5B
$1.3B
Q1 25
$5.5B
$1.3B
Q4 24
$5.6B
$1.5B
Q3 24
$5.7B
$1.5B
Q2 24
$5.6B
$1.6B
Q1 24
$5.7B
$1.3B
Debt / Equity
PRA
PRA
RARE
RARE
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×
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
PRA
PRA
RARE
RARE
Operating Cash FlowLast quarter
$-25.6M
$-99.8M
Free Cash FlowOCF − Capex
$-100.8M
FCF MarginFCF / Revenue
-48.6%
Capex IntensityCapex / Revenue
0.5%
Cash ConversionOCF / Net Profit
-0.77×
TTM Free Cash FlowTrailing 4 quarters
$-472.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRA
PRA
RARE
RARE
Q4 25
$-25.6M
$-99.8M
Q3 25
$27.2M
$-91.4M
Q2 25
$-28.1M
$-108.3M
Q1 25
$-11.6M
$-166.5M
Q4 24
$-10.7M
$-79.3M
Q3 24
$14.0M
$-67.0M
Q2 24
$-12.8M
$-77.0M
Q1 24
$-11.6M
$-190.7M
Free Cash Flow
PRA
PRA
RARE
RARE
Q4 25
$-100.8M
Q3 25
$-92.7M
Q2 25
$-110.7M
Q1 25
$-167.8M
Q4 24
$-79.5M
Q3 24
$-68.6M
Q2 24
$-79.0M
Q1 24
$-193.9M
FCF Margin
PRA
PRA
RARE
RARE
Q4 25
-48.6%
Q3 25
-58.0%
Q2 25
-66.5%
Q1 25
-120.5%
Q4 24
-48.3%
Q3 24
-49.2%
Q2 24
-53.7%
Q1 24
-178.2%
Capex Intensity
PRA
PRA
RARE
RARE
Q4 25
0.5%
Q3 25
0.8%
Q2 25
1.5%
Q1 25
1.0%
Q4 24
0.1%
Q3 24
1.2%
Q2 24
1.4%
Q1 24
3.0%
Cash Conversion
PRA
PRA
RARE
RARE
Q4 25
-0.77×
Q3 25
18.81×
Q2 25
-1.28×
Q1 25
Q4 24
-0.66×
Q3 24
0.85×
Q2 24
-0.83×
Q1 24
-2.52×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PRA
PRA

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

RARE
RARE

Royalty$105.6M51%
Products$101.7M49%

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