IRON MOUNTAIN INC - Common Stock (IRM)

CUSIP: 46284V101

Q1 2020 13F Holders as of 31 Mar 2020

Holder snapshot 7 signals
Share change
+4,582,423
Put/Call ratio
121%
SEC-reported price per share
$23.80
Number of holders
512
Value change
+$68,100,447
Number of buys
268
Open additional details 1 more signal available
Number of sells
258
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
297,661,125

Security key

46284V101

Report period

Q1 2020

Institutions

512

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
15/15
Latest evidence
31 Dec 2019
13F Lead comparable stake: 16% Showing 1-6 of 15 holder rows.

Quick read

VANGUARD GROUP INC leads the comparable SEC ownership view at 16%.

15 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.
Comparable ownership Top 5
VANGUARD GROUP INC 16%
Capital World Investors 9.7%
BlackRock Finance, Inc. 7.2%
STATE STREET CORP 4.6%
GOLDMAN SACHS GROUP INC 3.6%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

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
16%
$1,516,872,000
47,595,566 shares
31 Dec 2019
Capital World Investors
13F
Company
13F
9.7%
$924,156,000
28,997,693 shares
31 Dec 2019
BlackRock Finance, Inc.
13F
Company
13F
7.2%
$679,441,000
21,319,069 shares
31 Dec 2019
STATE STREET CORP
13F
Company
13F
4.6%
$440,456,000
13,566,297 shares
31 Dec 2019
GOLDMAN SACHS GROUP INC
13F
Company
13F
3.6%
$340,511,000
10,684,388 shares
31 Dec 2019
Invesco Ltd.
13F
Company
13F
2.4%
$223,613,000
7,016,424 shares
31 Dec 2019
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 Q1 2020

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

Institutions
512
Shares
245,777,190
Rows available
512
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 Q1 2020 vs Q4 2019 Across Filers

Q4 2019 holders
559
Q1 2020 holders
512
Holder diff
-47
Investor Q4 2019 Shares Q1 2020 Shares Share Diff Share Chg % Q4 2019 value Q1 2020 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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