Security key
462846106
- Security type / class
- Equity / COM
- Total 13F shares
- 75,257
- Total 13F value
- $2,218,000
- Share change
- -1,475
- SEC-reported price per share
- $29.48
- Number of holders
- 3
- Value change
- -$43,144
- Number of buys
- 1
- Number of sells
- 1
Report period
Q4 2020
Institutions
3
Top holders
3
IRM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
IRON MOUNTAIN INC SEC filings
IRON MOUNTAIN INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 462846106
Recent filing periods:
Ownership snapshot
Top reported holders of IRM - IRON MTN INC NEW REIT - COM (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 2020
13F
Highest disclosed value: $1,298,740,000
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 $1.3B.
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
$1.3B
Capital World Investors
$944.3M
BlackRock Finance, Inc.
$604.87M
STATE STREET CORP
$361.49M
FMR LLC
$196.3M
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
|
—
denominator unverified
|
$1,298,740,000
48,478,520 shares
|
— | 30 Sep 2020 |
| Capital World Investors |
13F
Company
|
—
denominator unverified
|
$944,296,000
35,248,074 shares
|
— | 30 Sep 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$604,871,000
22,578,243 shares
|
— | 30 Sep 2020 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$361,491,000
13,192,041 shares
|
— | 30 Sep 2020 |
| FMR LLC |
13F
Company
|
—
denominator unverified
|
$196,305,000
7,327,511 shares
|
— | 30 Sep 2020 |
| Epoch Investment Partners, Inc. |
13F
Company
|
—
denominator unverified
|
$136,737,000
5,104,056 shares
|
— | 30 Sep 2020 |
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 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
3
Shares
75,257
Rows available
3
| 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 2020 vs Q2 2026 Across Filers
Q2 2026 holders
1
Q4 2020 holders
3
Holder diff
2
| Investor | Q2 2026 Shares | Q4 2020 Shares | Share Diff | Share Chg % | Q2 2026 value | Q4 2020 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend