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

Iron Mountain is the larger business by last-quarter revenue ($1.8B vs $1.6B, roughly 1.2× ON Semiconductor). ON Semiconductor runs the higher net margin — 16.4% vs 5.1%, a 11.4% gap on every dollar of revenue. On growth, Iron Mountain posted the faster year-over-year revenue change (16.6% vs -10.0%). ON Semiconductor produced more free cash flow last quarter ($372.4M vs $-16.2M). Over the past eight quarters, Iron Mountain's revenue compounded faster (11.7% CAGR vs -12.3%).

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.

Fairchild Semiconductor International, Inc. was an American semiconductor company based in San Jose, California. It was founded in 1957 as a division of Fairchild Camera and Instrument by the "traitorous eight" who defected from Shockley Semiconductor Laboratory. It became a pioneer in the manufacturing of transistors and of integrated circuits. Schlumberger bought the firm in 1979 and sold it to National Semiconductor in 1987; Fairchild was spun off as an independent company again in 1997. I...

IRM vs ON — Head-to-Head

Bigger by revenue
IRM
IRM
1.2× larger
IRM
$1.8B
$1.6B
ON
Growing faster (revenue YoY)
IRM
IRM
+26.5% gap
IRM
16.6%
-10.0%
ON
Higher net margin
ON
ON
11.4% more per $
ON
16.4%
5.1%
IRM
More free cash flow
ON
ON
$388.6M more FCF
ON
$372.4M
$-16.2M
IRM
Faster 2-yr revenue CAGR
IRM
IRM
Annualised
IRM
11.7%
-12.3%
ON

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
IRM
IRM
ON
ON
Revenue
$1.8B
$1.6B
Net Profit
$93.1M
$255.0M
Gross Margin
37.9%
Operating Margin
18.5%
17.0%
Net Margin
5.1%
16.4%
Revenue YoY
16.6%
-10.0%
Net Profit YoY
-11.9%
-32.9%
EPS (diluted)
$0.31
$0.63

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
IRM
IRM
ON
ON
Q4 25
$1.8B
$1.6B
Q3 25
$1.8B
$1.5B
Q2 25
$1.7B
$1.4B
Q1 25
$1.6B
Q4 24
$1.6B
$1.7B
Q3 24
$1.6B
$1.8B
Q2 24
$1.5B
$1.7B
Q1 24
$1.5B
$1.9B
Net Profit
IRM
IRM
ON
ON
Q4 25
$93.1M
$255.0M
Q3 25
$86.2M
$170.3M
Q2 25
$-43.3M
$-486.1M
Q1 25
$16.2M
Q4 24
$105.7M
$379.9M
Q3 24
$-33.7M
$401.7M
Q2 24
$34.6M
$338.2M
Q1 24
$77.0M
$453.0M
Gross Margin
IRM
IRM
ON
ON
Q4 25
37.9%
Q3 25
37.6%
Q2 25
20.3%
Q1 25
Q4 24
45.2%
Q3 24
45.4%
Q2 24
45.2%
Q1 24
45.8%
Operating Margin
IRM
IRM
ON
ON
Q4 25
18.5%
17.0%
Q3 25
17.6%
13.2%
Q2 25
15.2%
-39.7%
Q1 25
16.0%
Q4 24
17.9%
23.7%
Q3 24
16.1%
25.3%
Q2 24
15.0%
22.4%
Q1 24
16.6%
28.2%
Net Margin
IRM
IRM
ON
ON
Q4 25
5.1%
16.4%
Q3 25
4.9%
11.6%
Q2 25
-2.5%
-33.6%
Q1 25
1.0%
Q4 24
6.7%
22.1%
Q3 24
-2.2%
22.8%
Q2 24
2.3%
19.5%
Q1 24
5.2%
24.3%
EPS (diluted)
IRM
IRM
ON
ON
Q4 25
$0.31
$0.63
Q3 25
$0.28
$0.41
Q2 25
$-0.15
$-1.15
Q1 25
$0.05
Q4 24
$0.35
$0.88
Q3 24
$-0.11
$0.93
Q2 24
$0.12
$0.78
Q1 24
$0.25
$1.04

Balance Sheet & Financial Strength

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

Metric
IRM
IRM
ON
ON
Cash + ST InvestmentsLiquidity on hand
$158.5M
$2.9B
Total DebtLower is stronger
$16.2B
$3.4B
Stockholders' EquityBook value
$-981.0M
$7.9B
Total Assets
$21.1B
$13.0B
Debt / EquityLower = less leverage
0.43×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRM
IRM
ON
ON
Q4 25
$158.5M
$2.9B
Q3 25
$2.8B
Q2 25
$3.0B
Q1 25
Q4 24
$155.7M
$3.0B
Q3 24
$2.8B
Q2 24
$2.7B
Q1 24
$2.6B
Total Debt
IRM
IRM
ON
ON
Q4 25
$16.2B
$3.4B
Q3 25
$15.5B
$3.4B
Q2 25
$14.8B
$3.4B
Q1 25
$14.2B
Q4 24
$13.0B
$3.4B
Q3 24
$13.2B
$3.4B
Q2 24
$12.8B
$3.4B
Q1 24
$12.6B
$3.4B
Stockholders' Equity
IRM
IRM
ON
ON
Q4 25
$-981.0M
$7.9B
Q3 25
$-882.0M
$7.9B
Q2 25
$-767.4M
$8.0B
Q1 25
$-698.5M
Q4 24
$-503.1M
$8.8B
Q3 24
$-259.0M
$8.6B
Q2 24
$-132.9M
$8.3B
Q1 24
$18.5M
$8.1B
Total Assets
IRM
IRM
ON
ON
Q4 25
$21.1B
$13.0B
Q3 25
$20.6B
$13.1B
Q2 25
$20.2B
$13.3B
Q1 25
$19.4B
Q4 24
$18.7B
$14.1B
Q3 24
$18.5B
$13.9B
Q2 24
$18.0B
$13.7B
Q1 24
$17.8B
$13.5B
Debt / Equity
IRM
IRM
ON
ON
Q4 25
0.43×
Q3 25
0.43×
Q2 25
0.42×
Q1 25
Q4 24
0.38×
Q3 24
0.39×
Q2 24
0.41×
Q1 24
679.18×
0.42×

Cash Flow & Capital Efficiency

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

Metric
IRM
IRM
ON
ON
Operating Cash FlowLast quarter
$500.0M
$418.7M
Free Cash FlowOCF − Capex
$-16.2M
$372.4M
FCF MarginFCF / Revenue
-0.9%
24.0%
Capex IntensityCapex / Revenue
28.0%
3.0%
Cash ConversionOCF / Net Profit
5.37×
1.64×
TTM Free Cash FlowTrailing 4 quarters
$-931.6M
$1.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRM
IRM
ON
ON
Q4 25
$500.0M
$418.7M
Q3 25
$267.6M
$184.3M
Q2 25
$375.1M
$602.3M
Q1 25
$197.3M
Q4 24
$431.6M
$579.7M
Q3 24
$252.9M
$465.8M
Q2 24
$382.2M
$362.2M
Q1 24
$130.0M
$498.7M
Free Cash Flow
IRM
IRM
ON
ON
Q4 25
$-16.2M
$372.4M
Q3 25
$-256.3M
$106.1M
Q2 25
$-181.6M
$454.7M
Q1 25
$-477.5M
Q4 24
$-186.0M
$434.8M
Q3 24
$-143.2M
$293.6M
Q2 24
$-14.6M
$207.7M
Q1 24
$-251.1M
$276.3M
FCF Margin
IRM
IRM
ON
ON
Q4 25
-0.9%
24.0%
Q3 25
-14.6%
7.2%
Q2 25
-10.6%
31.5%
Q1 25
-30.0%
Q4 24
-11.8%
25.2%
Q3 24
-9.2%
16.7%
Q2 24
-1.0%
12.0%
Q1 24
-17.0%
14.8%
Capex Intensity
IRM
IRM
ON
ON
Q4 25
28.0%
3.0%
Q3 25
29.9%
5.3%
Q2 25
32.5%
10.2%
Q1 25
42.4%
Q4 24
39.1%
8.4%
Q3 24
25.4%
9.8%
Q2 24
25.9%
8.9%
Q1 24
25.8%
11.9%
Cash Conversion
IRM
IRM
ON
ON
Q4 25
5.37×
1.64×
Q3 25
3.10×
1.08×
Q2 25
Q1 25
12.15×
Q4 24
4.08×
1.53×
Q3 24
1.16×
Q2 24
11.04×
1.07×
Q1 24
1.69×
1.10×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IRM
IRM

Storage Rental$1.1B58%
Services$781.9M42%

ON
ON

Industrial Segment$426.3M27%
Other End Markets Segment$337.3M22%
Intelligent Sensing Segments$284.0M18%
Direct Customers$282.4M18%
Intelligent Sensing Group$230.0M15%

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