Company / Tangible Book Value per Share
Iron Mountain Tangible Book Value per Share History
FY2016-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Tangible Book Value per Share
-$21.35
FY2025
5-year range
-$21.35 / -$12.51
FY2021-FY2025
Trend
-11.6%
vs FY2024
Sector context
#137 of 138
Real Estate
What the data says
Among 138 Real Estate companies, Iron Mountain is in the bottom 1% for tangible book value per share. Tangible Book Value per Share has declined for 8 consecutive years, from $-6.72 in FY2017 to $-21.35 in FY2025.
Based on SEC 10-K filings.
-21.35 in FY2025.
Declined from $-16.06 to $-21.35 over the past 2 years.
Real Estate sector context is included.
Tangible Book Value per Share over time
Growth rates
- 3-Year CAGR
- -
- 5-Year CAGR
- -
- 10-Year CAGR
- -
Sector benchmark
Bottom 1% in Real EstateTop 99% of 138This company -$21.35 Sector average $306.90
▼
-107.0% below sector average
Key checks
Key Insights
- Iron Mountain's tangible book value per share has declined for 8 consecutive years.
- In FY2025, tangible book value per share decreased 11.6% year-over-year.
- Ranks #137 out of 138 companies in the Real Estate sector.
- Peak tangible book value per share was recorded in FY2017.
Company context
Key Data Points
- Altman Z-Score 0.46 (distress zone, below 1.8 threshold)
- High earnings quality (cash-backed earnings)
Data sourced from SEC EDGAR filings. Not investment advice.
Annual data
| Year | Tangible Book Value per ShareValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | -$21.35 | -11.6% |
| FY2024 | -$19.12 | -19.1% |
| FY2023 | -$16.06 | -21.6% |
| FY2022 | -$13.21 | -5.5% |
| FY2021 | -$12.51 | -5.1% |
| FY2020 | -$11.91 | -12.8% |
| FY2019 | -$10.55 | -15.8% |
| FY2018 | -$9.11 | -35.5% |
| FY2017 | -$6.72 | +27.8% |
| FY2016 | -$9.31 | -5.5% |
As of FY2025 · SEC 10-K · Updated Jun 30, 2026