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Side-by-side financial comparison of ANTERO RESOURCES Corp (AR) and Iron Mountain (IRM). Click either name above to swap in a different company.

Iron Mountain is the larger business by last-quarter revenue ($1.8B vs $1.4B, roughly 1.3× ANTERO RESOURCES Corp). ANTERO RESOURCES Corp runs the higher net margin — 14.4% vs 5.1%, a 9.3% gap on every dollar of revenue. On growth, ANTERO RESOURCES Corp posted the faster year-over-year revenue change (20.8% vs 16.6%). Over the past eight quarters, ANTERO RESOURCES Corp's revenue compounded faster (12.2% CAGR vs 11.7%).

Antero Resources Corporation is an American company engaged in hydrocarbon exploration. It is organized in Delaware and headquartered in Denver, Colorado. The company's reserves are entirely in the Appalachian Basin and are extracted using hydraulic fracturing.

Iron Mountain Inc. is an American enterprise information management services company founded in 1951 and headquartered in Portsmouth, New Hampshire. Its records management, information destruction, and data backup and recovery services are supplied to more than 220,000 customers in 58 countries throughout North America, Europe, Latin America, Africa, Asia, and Oceania.

AR vs IRM — Head-to-Head

Bigger by revenue
IRM
IRM
1.3× larger
IRM
$1.8B
$1.4B
AR
Growing faster (revenue YoY)
AR
AR
+4.2% gap
AR
20.8%
16.6%
IRM
Higher net margin
AR
AR
9.3% more per $
AR
14.4%
5.1%
IRM
Faster 2-yr revenue CAGR
AR
AR
Annualised
AR
12.2%
11.7%
IRM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AR
AR
IRM
IRM
Revenue
$1.4B
$1.8B
Net Profit
$202.9M
$93.1M
Gross Margin
Operating Margin
20.5%
18.5%
Net Margin
14.4%
5.1%
Revenue YoY
20.8%
16.6%
Net Profit YoY
27.8%
-11.9%
EPS (diluted)
$0.63
$0.31

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
AR
AR
IRM
IRM
Q4 25
$1.4B
$1.8B
Q3 25
$1.2B
$1.8B
Q2 25
$1.3B
$1.7B
Q1 25
$1.4B
$1.6B
Q4 24
$1.2B
$1.6B
Q3 24
$1.1B
$1.6B
Q2 24
$978.7M
$1.5B
Q1 24
$1.1B
$1.5B
Net Profit
AR
AR
IRM
IRM
Q4 25
$202.9M
$93.1M
Q3 25
$85.6M
$86.2M
Q2 25
$166.6M
$-43.3M
Q1 25
$219.5M
$16.2M
Q4 24
$158.8M
$105.7M
Q3 24
$-25.2M
$-33.7M
Q2 24
$-74.6M
$34.6M
Q1 24
$34.7M
$77.0M
Operating Margin
AR
AR
IRM
IRM
Q4 25
20.5%
18.5%
Q3 25
9.7%
17.6%
Q2 25
15.8%
15.2%
Q1 25
20.1%
16.0%
Q4 24
4.9%
17.9%
Q3 24
-2.4%
16.1%
Q2 24
-8.2%
15.0%
Q1 24
4.3%
16.6%
Net Margin
AR
AR
IRM
IRM
Q4 25
14.4%
5.1%
Q3 25
7.1%
4.9%
Q2 25
12.8%
-2.5%
Q1 25
16.2%
1.0%
Q4 24
13.6%
6.7%
Q3 24
-2.4%
-2.2%
Q2 24
-7.6%
2.3%
Q1 24
3.1%
5.2%
EPS (diluted)
AR
AR
IRM
IRM
Q4 25
$0.63
$0.31
Q3 25
$0.24
$0.28
Q2 25
$0.50
$-0.15
Q1 25
$0.66
$0.05
Q4 24
$0.48
$0.35
Q3 24
$-0.11
$-0.11
Q2 24
$-0.26
$0.12
Q1 24
$0.07
$0.25

Balance Sheet & Financial Strength

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

Metric
AR
AR
IRM
IRM
Cash + ST InvestmentsLiquidity on hand
$158.5M
Total DebtLower is stronger
$16.2B
Stockholders' EquityBook value
$7.6B
$-981.0M
Total Assets
$13.2B
$21.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AR
AR
IRM
IRM
Q4 25
$158.5M
Q3 25
Q2 25
Q1 25
Q4 24
$155.7M
Q3 24
Q2 24
Q1 24
Total Debt
AR
AR
IRM
IRM
Q4 25
$16.2B
Q3 25
$15.5B
Q2 25
$14.8B
Q1 25
$14.2B
Q4 24
$13.0B
Q3 24
$13.2B
Q2 24
$12.8B
Q1 24
$12.6B
Stockholders' Equity
AR
AR
IRM
IRM
Q4 25
$7.6B
$-981.0M
Q3 25
$7.3B
$-882.0M
Q2 25
$7.3B
$-767.4M
Q1 25
$7.2B
$-698.5M
Q4 24
$7.0B
$-503.1M
Q3 24
$7.0B
$-259.0M
Q2 24
$7.0B
$-132.9M
Q1 24
$7.1B
$18.5M
Total Assets
AR
AR
IRM
IRM
Q4 25
$13.2B
$21.1B
Q3 25
$12.9B
$20.6B
Q2 25
$12.8B
$20.2B
Q1 25
$13.0B
$19.4B
Q4 24
$13.0B
$18.7B
Q3 24
$13.2B
$18.5B
Q2 24
$13.4B
$18.0B
Q1 24
$13.5B
$17.8B
Debt / Equity
AR
AR
IRM
IRM
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
679.18×

Cash Flow & Capital Efficiency

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

Metric
AR
AR
IRM
IRM
Operating Cash FlowLast quarter
$370.7M
$500.0M
Free Cash FlowOCF − Capex
$-16.2M
FCF MarginFCF / Revenue
-0.9%
Capex IntensityCapex / Revenue
28.0%
Cash ConversionOCF / Net Profit
1.83×
5.37×
TTM Free Cash FlowTrailing 4 quarters
$-931.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AR
AR
IRM
IRM
Q4 25
$370.7M
$500.0M
Q3 25
$310.1M
$267.6M
Q2 25
$492.4M
$375.1M
Q1 25
$457.7M
$197.3M
Q4 24
$278.0M
$431.6M
Q3 24
$166.2M
$252.9M
Q2 24
$143.5M
$382.2M
Q1 24
$261.6M
$130.0M
Free Cash Flow
AR
AR
IRM
IRM
Q4 25
$-16.2M
Q3 25
$-256.3M
Q2 25
$-181.6M
Q1 25
$-477.5M
Q4 24
$-186.0M
Q3 24
$-143.2M
Q2 24
$-14.6M
Q1 24
$-251.1M
FCF Margin
AR
AR
IRM
IRM
Q4 25
-0.9%
Q3 25
-14.6%
Q2 25
-10.6%
Q1 25
-30.0%
Q4 24
-11.8%
Q3 24
-9.2%
Q2 24
-1.0%
Q1 24
-17.0%
Capex Intensity
AR
AR
IRM
IRM
Q4 25
28.0%
Q3 25
29.9%
Q2 25
32.5%
Q1 25
42.4%
Q4 24
39.1%
Q3 24
25.4%
Q2 24
25.9%
Q1 24
25.8%
Cash Conversion
AR
AR
IRM
IRM
Q4 25
1.83×
5.37×
Q3 25
3.62×
3.10×
Q2 25
2.96×
Q1 25
2.09×
12.15×
Q4 24
1.75×
4.08×
Q3 24
Q2 24
11.04×
Q1 24
7.55×
1.69×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AR
AR

Natural Gas Production$773.6M55%
Natural Gas Liquids Sales C3Ngls$378.1M27%
Other$97.3M7%
Natural Gas Liquids Sales Ethane$96.1M7%
Oil And Condensate$34.8M2%
Marketings$31.7M2%

IRM
IRM

Storage Rental$1.1B58%
Services$781.9M42%

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