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

Sandisk Corp is the larger business by last-quarter revenue ($3.0B vs $1.8B, roughly 1.6× Iron Mountain). Sandisk Corp runs the higher net margin — 26.5% vs 5.1%, a 21.5% gap on every dollar of revenue. On growth, Sandisk Corp posted the faster year-over-year revenue change (78.5% vs 16.6%). Sandisk Corp produced more free cash flow last quarter ($980.0M vs $-16.2M).

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.

Sandisk Corporation is an American multinational computer technology company based in Milpitas, California, that designs and manufactures flash memory products, including memory cards, USB flash drives, and solid-state drives. It was founded in 1988 as SunDisk by Eli Harari, Sanjay Mehrotra, and Jack Yuan. The name is a portmanteau of the founder’s name Sanjay and disk.

IRM vs SNDK — Head-to-Head

Bigger by revenue
SNDK
SNDK
1.6× larger
SNDK
$3.0B
$1.8B
IRM
Growing faster (revenue YoY)
SNDK
SNDK
+61.9% gap
SNDK
78.5%
16.6%
IRM
Higher net margin
SNDK
SNDK
21.5% more per $
SNDK
26.5%
5.1%
IRM
More free cash flow
SNDK
SNDK
$996.2M more FCF
SNDK
$980.0M
$-16.2M
IRM

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
IRM
IRM
SNDK
SNDK
Revenue
$1.8B
$3.0B
Net Profit
$93.1M
$803.0M
Gross Margin
50.9%
Operating Margin
18.5%
35.2%
Net Margin
5.1%
26.5%
Revenue YoY
16.6%
78.5%
Net Profit YoY
-11.9%
141.5%
EPS (diluted)
$0.31
$5.15

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
SNDK
SNDK
Q1 26
$3.0B
Q4 25
$1.8B
$2.3B
Q3 25
$1.8B
Q2 25
$1.7B
$1.9B
Q1 25
$1.6B
$1.7B
Q4 24
$1.6B
$1.9B
Q3 24
$1.6B
$1.9B
Q2 24
$1.5B
Net Profit
IRM
IRM
SNDK
SNDK
Q1 26
$803.0M
Q4 25
$93.1M
$112.0M
Q3 25
$86.2M
Q2 25
$-43.3M
$-23.0M
Q1 25
$16.2M
$-1.9B
Q4 24
$105.7M
$104.0M
Q3 24
$-33.7M
$211.0M
Q2 24
$34.6M
Gross Margin
IRM
IRM
SNDK
SNDK
Q1 26
50.9%
Q4 25
29.8%
Q3 25
Q2 25
26.2%
Q1 25
22.5%
Q4 24
32.3%
Q3 24
38.6%
Q2 24
Operating Margin
IRM
IRM
SNDK
SNDK
Q1 26
35.2%
Q4 25
18.5%
7.6%
Q3 25
17.6%
Q2 25
15.2%
0.9%
Q1 25
16.0%
-111.0%
Q4 24
17.9%
10.4%
Q3 24
16.1%
15.5%
Q2 24
15.0%
Net Margin
IRM
IRM
SNDK
SNDK
Q1 26
26.5%
Q4 25
5.1%
4.9%
Q3 25
4.9%
Q2 25
-2.5%
-1.2%
Q1 25
1.0%
-114.0%
Q4 24
6.7%
5.5%
Q3 24
-2.2%
11.2%
Q2 24
2.3%
EPS (diluted)
IRM
IRM
SNDK
SNDK
Q1 26
$5.15
Q4 25
$0.31
$0.75
Q3 25
$0.28
Q2 25
$-0.15
$-0.17
Q1 25
$0.05
$-13.33
Q4 24
$0.35
$0.72
Q3 24
$-0.11
$1.46
Q2 24
$0.12

Balance Sheet & Financial Strength

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

Metric
IRM
IRM
SNDK
SNDK
Cash + ST InvestmentsLiquidity on hand
$158.5M
$1.5B
Total DebtLower is stronger
$16.2B
$603.0M
Stockholders' EquityBook value
$-981.0M
$10.2B
Total Assets
$21.1B
$13.0B
Debt / EquityLower = less leverage
0.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRM
IRM
SNDK
SNDK
Q1 26
$1.5B
Q4 25
$158.5M
$1.4B
Q3 25
Q2 25
$1.5B
Q1 25
$1.5B
Q4 24
$155.7M
$804.0M
Q3 24
Q2 24
Total Debt
IRM
IRM
SNDK
SNDK
Q1 26
$603.0M
Q4 25
$16.2B
$1.4B
Q3 25
$15.5B
Q2 25
$14.8B
$1.8B
Q1 25
$14.2B
$1.9B
Q4 24
$13.0B
Q3 24
$13.2B
Q2 24
$12.8B
Stockholders' Equity
IRM
IRM
SNDK
SNDK
Q1 26
$10.2B
Q4 25
$-981.0M
$9.4B
Q3 25
$-882.0M
Q2 25
$-767.4M
$9.2B
Q1 25
$-698.5M
$9.2B
Q4 24
$-503.1M
$12.0B
Q3 24
$-259.0M
$12.1B
Q2 24
$-132.9M
Total Assets
IRM
IRM
SNDK
SNDK
Q1 26
$13.0B
Q4 25
$21.1B
$12.7B
Q3 25
$20.6B
Q2 25
$20.2B
$13.0B
Q1 25
$19.4B
$13.0B
Q4 24
$18.7B
$14.2B
Q3 24
$18.5B
Q2 24
$18.0B
Debt / Equity
IRM
IRM
SNDK
SNDK
Q1 26
0.06×
Q4 25
0.14×
Q3 25
Q2 25
0.20×
Q1 25
0.21×
Q4 24
Q3 24
Q2 24

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
SNDK
SNDK
Operating Cash FlowLast quarter
$500.0M
$1.0B
Free Cash FlowOCF − Capex
$-16.2M
$980.0M
FCF MarginFCF / Revenue
-0.9%
32.4%
Capex IntensityCapex / Revenue
28.0%
1.3%
Cash ConversionOCF / Net Profit
5.37×
1.27×
TTM Free Cash FlowTrailing 4 quarters
$-931.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRM
IRM
SNDK
SNDK
Q1 26
$1.0B
Q4 25
$500.0M
$488.0M
Q3 25
$267.6M
Q2 25
$375.1M
Q1 25
$197.3M
$26.0M
Q4 24
$431.6M
$95.0M
Q3 24
$252.9M
$-131.0M
Q2 24
$382.2M
Free Cash Flow
IRM
IRM
SNDK
SNDK
Q1 26
$980.0M
Q4 25
$-16.2M
$438.0M
Q3 25
$-256.3M
Q2 25
$-181.6M
Q1 25
$-477.5M
$-18.0M
Q4 24
$-186.0M
$47.0M
Q3 24
$-143.2M
$-198.0M
Q2 24
$-14.6M
FCF Margin
IRM
IRM
SNDK
SNDK
Q1 26
32.4%
Q4 25
-0.9%
19.0%
Q3 25
-14.6%
Q2 25
-10.6%
Q1 25
-30.0%
-1.1%
Q4 24
-11.8%
2.5%
Q3 24
-9.2%
-10.5%
Q2 24
-1.0%
Capex Intensity
IRM
IRM
SNDK
SNDK
Q1 26
1.3%
Q4 25
28.0%
2.2%
Q3 25
29.9%
Q2 25
32.5%
Q1 25
42.4%
2.6%
Q4 24
39.1%
2.6%
Q3 24
25.4%
3.6%
Q2 24
25.9%
Cash Conversion
IRM
IRM
SNDK
SNDK
Q1 26
1.27×
Q4 25
5.37×
4.36×
Q3 25
3.10×
Q2 25
Q1 25
12.15×
Q4 24
4.08×
0.91×
Q3 24
-0.62×
Q2 24
11.04×

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%

SNDK
SNDK

Edge$1.7B55%
Consumer$907.0M30%
Datacenter$440.0M15%

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