IRM

IRON MOUNTAIN INC

NYSEAdd to watchlist

Real Estate · REIT—Specialty

$115.22

−$0.86−0.74%

Delayed · 2026-09-09T20:00:00.000Z · marketstack

1 of 47tracked managers hold this· Q2 2026

Aug 10, 2026$115.22

−$6.34−5.22%over 1M

Day range20% of range

$114.80$116.92

Session

Previous close: $116.08
Open: $115.79
Volume: 1.33M
Avg volume: -
Day high: $116.92
Day low: $114.80

Fundamentals

Visualize fundamentals and more

Market cap: 34.31B
P/E ratio: 79.52
EPS (TTM): $1.45
Dividend yield: -
Beta: 1.19
Shares outstanding: 297.74M

Source SEC EDGAR · 9/10/2026

Tracked investors

As of Q2 2026 · 72 days ago · next update ~14 Nov 2026· what moved this quarter, onMeasure

1 fund manager this platform follows disclosed a position here, from quarterly SEC filings up to 45 days old; a manager may have sold since without yet having to say so.

Joel Greenblatt
Gotham Asset Management
$6.46M
0.02%of book

Manager	Position	Share of their book	Last change
Joel Greenblatt Gotham Asset Management	$6.46M	0.02%

Share price, with each quarter a tracked manager’s position changed shaded across the range it traded in.

80100120140

115

now

Q3 '24

Q4 '24

Q1 '25

Q2 '25

Q3 '25

Q4 '25

Q1 '26

Q2 '26

Hover a shaded quarter to see it moved. Who, and the range they traded in, is onBespoke

13F filings cover US-listed shares only (not cash, bonds, shorts, or private holdings) and are never a recommendation to do the same.

Risk factors, year on year

Item 1AFebruary 2026 10-KFebruary 2025as filed.

added: 7
dropped: 2
re-drafted: 20

Out of 125 passages in this year’s Item 1A.

New this year

Our business is subject to regulation under a wide variety of laws and regulations in the jurisdictions which we operate. Although we have policies and procedures designed to comply with applicable laws and regulations, failure to comply with the various laws …

8 more passages, included withBespoke

Recent activity

8 more events, included withMeasure

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Ask about IRON MOUNTAIN INC

The assistant answers from what IRM has actually filed: 18 annual reports filed with the SEC, 13F positions from the 1 tracked investor who hold it and 6 funds that hold it. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.

Pressing one answers it here, from IRM's filings and figures. One a day without an account; a free account has its own, and no card.

See every investor holding IRON MOUNTAIN INC, and every quarter they moved.

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What an account lets you do with IRON MOUNTAIN INC

Separate the decisions from the paperwork
Every Form 4 IRM insiders have filed, with vesting and automatic tax sales struck out: what's left is the buys and sells somebody actually chose to make.
Every filingMeasure
Watch the same stakes the professionals are watching
Every tracked position priced at the quarter it was filed and diffed against the one before it: who added, who trimmed, who walked away.
Every position they holdMeasure
Interrogate the filing, not the internet
Ask anything about IRON MOUNTAIN INC's fundamentals. The assistant answers from its own filings and cites the figure, never a guess from the open web.

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