IRON MOUNTAIN INC - Common Stock (IRM)

CUSIP: 46284V101

Q4 2022 13F Holders as of 31 Dec 2022

Holder snapshot 7 signals
Share change
+775,454
Put/Call ratio
59%
SEC-reported price per share
$49.85
Number of holders
773
Value change
+$44,555,254
Number of buys
360
Open additional details 1 more signal available
Number of sells
279
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
297,661,125

Security key

46284V101

Report period

Q4 2022

Institutions

773

Top holders

10

Ownership snapshot

Top reported holders of IRM - IRON MOUNTAIN INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
0/15
Latest evidence
30 Sep 2022
13F Highest disclosed value: $2,086,239,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

VANGUARD GROUP INC has the largest disclosed position value at $2.09B.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD GROUP INC's linked filing trail.
Disclosed position value Top 5
VANGUARD GROUP INC $2.09B
Capital World Investors $1.09B
BlackRock Finance, Inc. $999.85M
STATE STREET CORP $646.47M
GEODE CAPITAL MANAGEMENT, LLC $297.45M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
VANGUARD GROUP INC
13F
Company
13F
—
denominator unverified
$2,086,239,000
47,446,869 shares
— 30 Sep 2022
Capital World Investors
13F
Company
13F
—
denominator unverified
$1,085,182,000
24,680,046 shares
— 30 Sep 2022
BlackRock Finance, Inc.
13F
Company
13F
—
denominator unverified
$999,848,000
22,739,307 shares
— 30 Sep 2022
STATE STREET CORP
13F
Company
13F
—
denominator unverified
$646,473,000
14,500,564 shares
— 30 Sep 2022
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
—
denominator unverified
$297,449,000
6,771,504 shares
— 30 Sep 2022
MORGAN STANLEY
13F
Company
13F
—
denominator unverified
$236,151,000
5,370,717 shares
— 30 Sep 2022
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2022

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
773
Shares
227,868,373
Rows available
773
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2022 vs Q3 2022 Across Filers

Q3 2022 holders
731
Q4 2022 holders
773
Holder diff
42
Investor Q3 2022 Shares Q4 2022 Shares Share Diff Share Chg % Q3 2022 value Q4 2022 value Value change Value Chg %
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