Security key
46284V101
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 254,786,080
- Total 13F value
- $8,794,156,030
- Share change
- +4,805,940
- Put/Call ratio
- 219%
- SEC-reported price per share
- $34.52
- Number of holders
- 490
- Value change
- +$164,726,049
- Number of buys
- 238
- Number of sells
- 191
- Shares outstanding
- 297,661,125
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2018
Institutions
490
Top holders
10
IRM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2018
Previous quarter: Q2 2018
IRON MOUNTAIN INC SEC filings
IRON MOUNTAIN INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 46284V101
Recent filing periods:
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
30 Jun 2018
13F
Lead comparable stake: 15%
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 15%.
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
15%
Capital World Investors
11%
BlackRock Finance, Inc.
6.5%
PARNASSUS INVESTMENTS, LLC
4.5%
Capital International Investors
3.7%
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
|
15%
|
$1,532,151,000
43,763,241 shares
|
— | 30 Jun 2018 |
| Capital World Investors |
13F
Company
|
11%
|
$1,135,605,000
32,436,600 shares
|
— | 30 Jun 2018 |
| BlackRock Finance, Inc. |
13F
Company
|
6.5%
|
$678,619,000
19,383,595 shares
|
— | 30 Jun 2018 |
| PARNASSUS INVESTMENTS, LLC |
13F
Company
|
4.5%
|
$466,636,000
13,328,662 shares
|
— | 30 Jun 2018 |
| Capital International Investors |
13F
Company
|
3.7%
|
$383,911,000
10,965,744 shares
|
— | 30 Jun 2018 |
| STATE STREET CORP |
13F
Company
|
3.6%
|
$376,880,000
10,764,747 shares
|
— | 30 Jun 2018 |
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 Q3 2018
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
490
Shares
254,786,080
Rows available
490
| 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 Q3 2018 vs Q2 2018 Across Filers
Q2 2018 holders
473
Q3 2018 holders
490
Holder diff
17
| Investor | Q2 2018 Shares | Q3 2018 Shares | Share Diff | Share Chg % | Q2 2018 value | Q3 2018 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend