Equity

Additional Paid-In Capital

Iron Mountain Additional Paid-In Capital decreased by 1.5% to $4.72B in Q1 2026 compared to the prior quarter. Year-over-year, this metric grew by 2.3%, from $4.61B to $4.72B. Over 5 years (FY 2020 to FY 2025), Additional Paid-In Capital shows an upward trend with a 2.0% CAGR. This decline may warrant attention — for this metric, higher values are generally preferred.

Analysis

StatementBalance Sheet Statement
SectionEquity
CategoryCapital Allocation
SignalHigher is better
VolatilityModerate
First reportedQ4 2024
Last reportedQ1 2026

How to read this metric

A consistent increase is common for growth companies that frequently issue stock-based compensation or raise capital through equity markets.

Detailed definition

This represents the excess amount paid by investors for common shares above their stated par value. It is a critical com...

Peer comparison

This is a standard equity account for all publicly traded corporations, representing the cumulative historical premium paid by investors.

Metric ID: equity_additional_paid_in_capital_common_stock

Historical Data

20 periods
 Q2 '21Q3 '21Q4 '21Q1 '22Q2 '22Q3 '22Q4 '22Q1 '23Q2 '23Q3 '23Q4 '23Q1 '24Q2 '24Q3 '24Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Value$4.39B$4.41B$4.41B$4.41B$4.43B$4.45B$4.47B$4.46B$4.49B$4.51B$4.53B$4.52B$4.56B$4.60B$4.65B$4.61B$4.68B$4.73B$4.79B$4.72B
QoQ Change+0.3%+0.1%-0.1%+0.5%+0.3%+0.5%-0.2%+0.7%+0.4%+0.6%-0.3%+0.8%+1.0%+1.0%-0.8%+1.5%+1.1%+1.3%-1.5%
YoY Change+0.9%+0.9%+1.3%+1.1%+1.3%+1.4%+1.5%+1.3%+1.5%+2.1%+2.5%+2.0%+2.7%+2.8%+3.1%+2.3%
Range$4.39B$4.79B
CAGR+1.5%
Avg YoY Growth+1.8%
Median YoY Growth+1.5%

Frequently Asked Questions

What is Iron Mountain's additional paid-in capital?
Iron Mountain (IRM) reported additional paid-in capital of $4.72B in Q1 2026.
How has Iron Mountain's additional paid-in capital changed year-over-year?
Iron Mountain's additional paid-in capital increased by 2.3% year-over-year, from $4.61B to $4.72B.
What is the long-term trend for Iron Mountain's additional paid-in capital?
Over 5 years (2020 to 2025), Iron Mountain's additional paid-in capital has grown at a 2.0% compound annual growth rate (CAGR), from $4.34B to $4.79B.
What does additional paid-in capital mean?
The total amount of capital received from shareholders in excess of the nominal par value of the stock.