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Side-by-side financial comparison of Eversource Energy (ES) and Iron Mountain (IRM). Click either name above to swap in a different company.

Eversource Energy is the larger business by last-quarter revenue ($3.4B vs $1.8B, roughly 1.8× Iron Mountain). Eversource Energy runs the higher net margin — 12.6% vs 5.1%, a 7.5% gap on every dollar of revenue. On growth, Iron Mountain posted the faster year-over-year revenue change (16.6% vs 13.4%). Iron Mountain produced more free cash flow last quarter ($-16.2M vs $-67.3M). Over the past eight quarters, Iron Mountain's revenue compounded faster (11.7% CAGR vs 0.6%).

Eversource Energy is a publicly traded, Fortune 500 energy company headquartered in Springfield, Massachusetts with additional corporate offices in Hartford, Connecticut, and Boston, Massachusetts, with several regulated subsidiaries offering retail electricity, natural gas service and water service to approximately 4 million customers in Connecticut, Massachusetts, and New Hampshire.

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.

ES vs IRM — Head-to-Head

Bigger by revenue
ES
ES
1.8× larger
ES
$3.4B
$1.8B
IRM
Growing faster (revenue YoY)
IRM
IRM
+3.1% gap
IRM
16.6%
13.4%
ES
Higher net margin
ES
ES
7.5% more per $
ES
12.6%
5.1%
IRM
More free cash flow
IRM
IRM
$51.0M more FCF
IRM
$-16.2M
$-67.3M
ES
Faster 2-yr revenue CAGR
IRM
IRM
Annualised
IRM
11.7%
0.6%
ES

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ES
ES
IRM
IRM
Revenue
$3.4B
$1.8B
Net Profit
$423.2M
$93.1M
Gross Margin
Operating Margin
21.1%
18.5%
Net Margin
12.6%
5.1%
Revenue YoY
13.4%
16.6%
Net Profit YoY
468.8%
-11.9%
EPS (diluted)
$1.11
$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
ES
ES
IRM
IRM
Q4 25
$3.4B
$1.8B
Q3 25
$3.2B
$1.8B
Q2 25
$2.8B
$1.7B
Q1 25
$4.1B
$1.6B
Q4 24
$3.0B
$1.6B
Q3 24
$3.1B
$1.6B
Q2 24
$2.5B
$1.5B
Q1 24
$3.3B
$1.5B
Net Profit
ES
ES
IRM
IRM
Q4 25
$423.2M
$93.1M
Q3 25
$369.4M
$86.2M
Q2 25
$354.6M
$-43.3M
Q1 25
$552.7M
$16.2M
Q4 24
$74.4M
$105.7M
Q3 24
$-116.2M
$-33.7M
Q2 24
$337.2M
$34.6M
Q1 24
$523.7M
$77.0M
Operating Margin
ES
ES
IRM
IRM
Q4 25
21.1%
18.5%
Q3 25
21.4%
17.6%
Q2 25
23.4%
15.2%
Q1 25
22.5%
16.0%
Q4 24
11.7%
17.9%
Q3 24
20.0%
16.1%
Q2 24
23.8%
15.0%
Q1 24
25.4%
16.6%
Net Margin
ES
ES
IRM
IRM
Q4 25
12.6%
5.1%
Q3 25
11.5%
4.9%
Q2 25
12.5%
-2.5%
Q1 25
13.4%
1.0%
Q4 24
2.5%
6.7%
Q3 24
-3.8%
-2.2%
Q2 24
13.3%
2.3%
Q1 24
15.7%
5.2%
EPS (diluted)
ES
ES
IRM
IRM
Q4 25
$1.11
$0.31
Q3 25
$0.99
$0.28
Q2 25
$0.96
$-0.15
Q1 25
$1.50
$0.05
Q4 24
$0.16
$0.35
Q3 24
$-0.33
$-0.11
Q2 24
$0.95
$0.12
Q1 24
$1.49
$0.25

Balance Sheet & Financial Strength

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

Metric
ES
ES
IRM
IRM
Cash + ST InvestmentsLiquidity on hand
$135.4M
$158.5M
Total DebtLower is stronger
$16.2B
Stockholders' EquityBook value
$16.2B
$-981.0M
Total Assets
$63.8B
$21.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ES
ES
IRM
IRM
Q4 25
$135.4M
$158.5M
Q3 25
$259.3M
Q2 25
$343.7M
Q1 25
$111.4M
Q4 24
$26.7M
$155.7M
Q3 24
$97.9M
Q2 24
Q1 24
Total Debt
ES
ES
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
ES
ES
IRM
IRM
Q4 25
$16.2B
$-981.0M
Q3 25
$16.0B
$-882.0M
Q2 25
$15.7B
$-767.4M
Q1 25
$15.3B
$-698.5M
Q4 24
$15.0B
$-503.1M
Q3 24
$15.0B
$-259.0M
Q2 24
$14.8B
$-132.9M
Q1 24
$14.5B
$18.5M
Total Assets
ES
ES
IRM
IRM
Q4 25
$63.8B
$21.1B
Q3 25
$61.7B
$20.6B
Q2 25
$61.0B
$20.2B
Q1 25
$60.2B
$19.4B
Q4 24
$59.6B
$18.7B
Q3 24
$58.6B
$18.5B
Q2 24
$58.4B
$18.0B
Q1 24
$57.3B
$17.8B
Debt / Equity
ES
ES
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
ES
ES
IRM
IRM
Operating Cash FlowLast quarter
$916.1M
$500.0M
Free Cash FlowOCF − Capex
$-67.3M
$-16.2M
FCF MarginFCF / Revenue
-2.0%
-0.9%
Capex IntensityCapex / Revenue
29.2%
28.0%
Cash ConversionOCF / Net Profit
2.16×
5.37×
TTM Free Cash FlowTrailing 4 quarters
$-45.1M
$-931.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ES
ES
IRM
IRM
Q4 25
$916.1M
$500.0M
Q3 25
$1.1B
$267.6M
Q2 25
$1.1B
$375.1M
Q1 25
$1.0B
$197.3M
Q4 24
$642.1M
$431.6M
Q3 24
$555.6M
$252.9M
Q2 24
$670.7M
$382.2M
Q1 24
$291.3M
$130.0M
Free Cash Flow
ES
ES
IRM
IRM
Q4 25
$-67.3M
$-16.2M
Q3 25
$-26.3M
$-256.3M
Q2 25
$15.3M
$-181.6M
Q1 25
$33.2M
$-477.5M
Q4 24
$-546.5M
$-186.0M
Q3 24
$-515.4M
$-143.2M
Q2 24
$-400.8M
$-14.6M
Q1 24
$-858.1M
$-251.1M
FCF Margin
ES
ES
IRM
IRM
Q4 25
-2.0%
-0.9%
Q3 25
-0.8%
-14.6%
Q2 25
0.5%
-10.6%
Q1 25
0.8%
-30.0%
Q4 24
-18.4%
-11.8%
Q3 24
-16.8%
-9.2%
Q2 24
-15.8%
-1.0%
Q1 24
-25.7%
-17.0%
Capex Intensity
ES
ES
IRM
IRM
Q4 25
29.2%
28.0%
Q3 25
35.0%
29.9%
Q2 25
36.7%
32.5%
Q1 25
24.5%
42.4%
Q4 24
40.0%
39.1%
Q3 24
35.0%
25.4%
Q2 24
42.3%
25.9%
Q1 24
34.5%
25.8%
Cash Conversion
ES
ES
IRM
IRM
Q4 25
2.16×
5.37×
Q3 25
2.98×
3.10×
Q2 25
2.98×
Q1 25
1.88×
12.15×
Q4 24
8.63×
4.08×
Q3 24
Q2 24
1.99×
11.04×
Q1 24
0.56×
1.69×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ES
ES

Residential$1.2B35%
Commercial$789.0M23%
Eversource Electric Transmission$573.8M17%
Wholesale Transmission Revenue$570.0M17%
Industrial$102.6M3%
Water Distribution Segment$58.4M2%
Eversource Water$56.3M2%
Other Revenue Adjustmentsfrom Contractswith Customers$25.9M1%

IRM
IRM

Storage Rental$1.1B58%
Services$781.9M42%

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