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Side-by-side financial comparison of Erie Indemnity (ERIE) and Martin Marietta Materials (MLM). Click either name above to swap in a different company.

Martin Marietta Materials is the larger business by last-quarter revenue ($1.1B vs $1.0B, roughly 1.1× Erie Indemnity). Martin Marietta Materials runs the higher net margin — 24.5% vs 14.9%, a 9.6% gap on every dollar of revenue. On growth, Erie Indemnity posted the faster year-over-year revenue change (2.3% vs -30.1%). Over the past eight quarters, Erie Indemnity's revenue compounded faster (1.1% CAGR vs -4.5%).

Erie Insurance Group, based in Erie, Pennsylvania, is a property and casualty insurance company offering auto, home, business and life insurance through a network of independent insurance agents. As of 2021, Erie Insurance Group is ranked 347th on the 2021 Fortune 500 list of largest American corporations, based on total revenue for the 2020 fiscal year.

Martin Marietta Materials, Inc. is an American company and a supplier of aggregates and heavy building materials, with operations spanning 26 states, Canada, and the Caribbean. In particular, Martin Marietta Materials supplies resources for the construction of roads, sidewalks, and foundations.

ERIE vs MLM — Head-to-Head

Bigger by revenue
MLM
MLM
1.1× larger
MLM
$1.1B
$1.0B
ERIE
Growing faster (revenue YoY)
ERIE
ERIE
+32.4% gap
ERIE
2.3%
-30.1%
MLM
Higher net margin
MLM
MLM
9.6% more per $
MLM
24.5%
14.9%
ERIE
Faster 2-yr revenue CAGR
ERIE
ERIE
Annualised
ERIE
1.1%
-4.5%
MLM

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ERIE
ERIE
MLM
MLM
Revenue
$1.0B
$1.1B
Net Profit
$150.5M
$279.0M
Gross Margin
35.0%
Operating Margin
16.5%
24.6%
Net Margin
14.9%
24.5%
Revenue YoY
2.3%
-30.1%
Net Profit YoY
-4.8%
EPS (diluted)
$4.59

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
ERIE
ERIE
MLM
MLM
Q1 26
$1.0B
Q4 25
$951.0M
$1.1B
Q3 25
$1.1B
$1.8B
Q2 25
$1.1B
$1.8B
Q1 25
$989.4M
$1.4B
Q4 24
$924.1M
$1.6B
Q3 24
$999.9M
$1.9B
Q2 24
$990.4M
$1.8B
Net Profit
ERIE
ERIE
MLM
MLM
Q1 26
$150.5M
Q4 25
$63.4M
$279.0M
Q3 25
$182.9M
$414.0M
Q2 25
$174.7M
$328.0M
Q1 25
$138.4M
$116.0M
Q4 24
$152.0M
$293.0M
Q3 24
$159.8M
$363.0M
Q2 24
$163.9M
$294.0M
Gross Margin
ERIE
ERIE
MLM
MLM
Q1 26
Q4 25
35.0%
Q3 25
33.1%
Q2 25
30.0%
Q1 25
24.8%
Q4 24
30.0%
Q3 24
31.7%
Q2 24
29.3%
Operating Margin
ERIE
ERIE
MLM
MLM
Q1 26
16.5%
Q4 25
16.6%
24.6%
Q3 25
19.6%
27.4%
Q2 25
18.8%
25.3%
Q1 25
15.3%
14.3%
Q4 24
18.1%
24.4%
Q3 24
18.0%
25.9%
Q2 24
19.2%
22.6%
Net Margin
ERIE
ERIE
MLM
MLM
Q1 26
14.9%
Q4 25
6.7%
24.5%
Q3 25
17.1%
22.4%
Q2 25
16.5%
18.1%
Q1 25
14.0%
8.6%
Q4 24
16.5%
18.0%
Q3 24
16.0%
19.2%
Q2 24
16.5%
16.7%
EPS (diluted)
ERIE
ERIE
MLM
MLM
Q1 26
Q4 25
$4.59
Q3 25
$6.85
Q2 25
$5.43
Q1 25
$1.90
Q4 24
$4.87
Q3 24
$5.91
Q2 24
$4.76

Balance Sheet & Financial Strength

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

Metric
ERIE
ERIE
MLM
MLM
Cash + ST InvestmentsLiquidity on hand
$67.0M
Total DebtLower is stronger
$5.3B
Stockholders' EquityBook value
$2.4B
$10.0B
Total Assets
$3.4B
$18.7B
Debt / EquityLower = less leverage
0.53×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ERIE
ERIE
MLM
MLM
Q1 26
Q4 25
$67.0M
Q3 25
$57.0M
Q2 25
$225.0M
Q1 25
$101.0M
Q4 24
$670.0M
Q3 24
$52.0M
Q2 24
$109.0M
Total Debt
ERIE
ERIE
MLM
MLM
Q1 26
Q4 25
$5.3B
Q3 25
$5.5B
Q2 25
$5.4B
Q1 25
$5.4B
Q4 24
$5.4B
Q3 24
$4.0B
Q2 24
$4.3B
Stockholders' Equity
ERIE
ERIE
MLM
MLM
Q1 26
$2.4B
Q4 25
$2.3B
$10.0B
Q3 25
$2.3B
$9.7B
Q2 25
$2.2B
$9.4B
Q1 25
$2.1B
$9.1B
Q4 24
$2.0B
$9.5B
Q3 24
$1.9B
$9.2B
Q2 24
$1.8B
$8.8B
Total Assets
ERIE
ERIE
MLM
MLM
Q1 26
$3.4B
Q4 25
$3.4B
$18.7B
Q3 25
$3.3B
$18.7B
Q2 25
$3.1B
$18.1B
Q1 25
$3.0B
$17.7B
Q4 24
$2.9B
$18.2B
Q3 24
$2.9B
$16.5B
Q2 24
$2.7B
$16.3B
Debt / Equity
ERIE
ERIE
MLM
MLM
Q1 26
Q4 25
0.53×
Q3 25
0.57×
Q2 25
0.58×
Q1 25
0.60×
Q4 24
0.57×
Q3 24
0.44×
Q2 24
0.49×

Cash Flow & Capital Efficiency

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

Metric
ERIE
ERIE
MLM
MLM
Operating Cash FlowLast quarter
$629.0M
Free Cash FlowOCF − Capex
$424.0M
FCF MarginFCF / Revenue
37.2%
Capex IntensityCapex / Revenue
18.0%
Cash ConversionOCF / Net Profit
2.25×
TTM Free Cash FlowTrailing 4 quarters
$978.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ERIE
ERIE
MLM
MLM
Q1 26
Q4 25
$171.6M
$629.0M
Q3 25
$219.4M
$551.0M
Q2 25
$177.6M
$387.0M
Q1 25
$118.1M
$218.0M
Q4 24
$193.5M
$686.0M
Q3 24
$199.2M
$600.0M
Q2 24
$131.4M
$1.0M
Free Cash Flow
ERIE
ERIE
MLM
MLM
Q1 26
Q4 25
$140.8M
$424.0M
Q3 25
$184.4M
$361.0M
Q2 25
$157.3M
$208.0M
Q1 25
$88.4M
$-15.0M
Q4 24
$146.8M
$453.0M
Q3 24
$171.5M
$317.0M
Q2 24
$103.4M
$-138.0M
FCF Margin
ERIE
ERIE
MLM
MLM
Q1 26
Q4 25
14.8%
37.2%
Q3 25
17.3%
19.6%
Q2 25
14.8%
11.5%
Q1 25
8.9%
-1.1%
Q4 24
15.9%
27.8%
Q3 24
17.1%
16.8%
Q2 24
10.4%
-7.8%
Capex Intensity
ERIE
ERIE
MLM
MLM
Q1 26
Q4 25
3.2%
18.0%
Q3 25
3.3%
10.3%
Q2 25
1.9%
9.9%
Q1 25
3.0%
17.2%
Q4 24
5.0%
14.3%
Q3 24
2.8%
15.0%
Q2 24
2.8%
7.9%
Cash Conversion
ERIE
ERIE
MLM
MLM
Q1 26
Q4 25
2.71×
2.25×
Q3 25
1.20×
1.33×
Q2 25
1.02×
1.18×
Q1 25
0.85×
1.88×
Q4 24
1.27×
2.34×
Q3 24
1.25×
1.65×
Q2 24
0.80×
0.00×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ERIE
ERIE

Management fee revenue - policy issuance and renewal services$786.4M78%
Administrative services reimbursement revenue$200.1M20%
Management fee revenue - administrative services$19.5M2%
Service agreement revenue$5.9M1%

MLM
MLM

Building Materials Business East Group$774.0M68%
Building Materials Business West Group$233.0M20%
Services$88.0M8%
Other$45.0M4%

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