Company / Book Value per Share
Iron Mountain Book Value per Share History
FY2016-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Book Value per Share
-$3.341
FY2025
5-year range
-$3.341 / $2.969
FY2021-FY2025
Trend
-94.0%
vs FY2024
Sector context
#136 of 138
Real Estate
What the data says
Among 138 Real Estate companies, Iron Mountain is in the bottom 1% for book value per share. Book Value per Share has declined for 9 consecutive years, from $9.163 in FY2016 to -$3.341 in FY2025.
Based on SEC 10-K filings.
-$3.341 in FY2025.
Declined from $0.728 to -$3.341 over the past 2 years.
Real Estate sector context is included.
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 -$3.341 Sector average $518.483
▼
-100.6% below sector average
Key checks
Key Insights
- Iron Mountain's book value per share has declined for 9 consecutive years.
- In FY2025, book value per share decreased 94.0% year-over-year.
- Ranks #136 out of 138 companies in the Real Estate sector.
- Peak book value per share was recorded in FY2016.
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 | Book Value per ShareValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | -$3.341 | -94.0% |
| FY2024 | -$1.722 | -336.6% |
| FY2023 | $0.728 | -66.9% |
| FY2022 | $2.197 | -26.0% |
| FY2021 | $2.969 | -25.0% |
| FY2020 | $3.957 | -22.6% |
| FY2019 | $5.113 | -22.2% |
| FY2018 | $6.574 | -24.6% |
| FY2017 | $8.713 | -4.9% |
| FY2016 | $9.163 | +277.8% |
As of FY2025 · SEC 10-K · Updated Jun 30, 2026