- Type / Class
- Equity / Common Stock
- Shares outstanding
- 295,766,873
- Total 13F shares
- 227,876,068
- Share change
- -1,162,854
- Total reported value
- $11,926,247,380
- Put/Call ratio
- 142%
- Price per share
- $52.33
- Number of holders
- 735
- Value change
- -$32,879,189
- Number of buys
- 339
- Number of sells
- 302
Quarterly Holders Quick Answers
What is CUSIP 46284V101?
CUSIP 46284V101 identifies IRM - IRON MOUNTAIN INC - Common Stock in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Related Filing Research
- Latest 13F filings for newly reported positions.
- Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
- Latest 10-Q/10-K reports for financial context tied to this issuer.
- Recent insider transactions for executive and insider activity.
- SEC investors directory and top value investors for manager drilldown.
- Back to full security ownership history.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 46284V101:
Top shareholders of IRM - IRON MOUNTAIN INC - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
|
Company |
16%
|
48,634,068
|
$2,113,150,000 | — | 30 Sep 2021 | |
| Capital World Investors |
13F
|
Company |
11%
|
32,710,171
|
$1,421,257,000 | — | 30 Sep 2021 | |
| BlackRock Finance, Inc. |
13F
|
Company |
7.7%
|
22,870,617
|
$993,729,000 | — | 30 Sep 2021 | |
| STATE STREET CORP |
13F
|
Company |
4.7%
|
13,837,484
|
$609,648,000 | — | 30 Sep 2021 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.1%
|
6,330,235
|
$275,496,000 | — | 30 Sep 2021 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.4%
|
4,258,268
|
$185,021,000 | — | 30 Sep 2021 | |
| Invesco Ltd. |
13F
|
Company |
1.4%
|
4,257,624
|
$184,993,000 | — | 30 Sep 2021 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
1.4%
|
4,222,054
|
$183,457,000 | — | 30 Sep 2021 | |
| MORGAN STANLEY |
13F
|
Company |
1.4%
|
4,195,161
|
$182,280,000 | — | 30 Sep 2021 | |
| FMR LLC |
13F
|
Company |
1.4%
|
4,156,499
|
$180,600,000 | — | 30 Sep 2021 | |
| Epoch Investment Partners, Inc. |
13F
|
Company |
1.2%
|
3,559,169
|
$154,646,000 | — | 30 Sep 2021 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.2%
|
3,413,868
|
$148,333,000 | — | 30 Sep 2021 | |
| Bank of New York Mellon Corp |
13F
|
Company |
1.1%
|
3,216,489
|
$139,756,000 | — | 30 Sep 2021 | |
| Amundi |
13F
|
Individual |
0.92%
|
2,725,513
|
$118,394,000 | — | 30 Sep 2021 | |
| LSV ASSET MANAGEMENT |
13F
|
Company |
0.91%
|
2,686,994
|
$116,749,000 | — | 30 Sep 2021 | |
| NORGES BANK |
13F
|
Company |
0.88%
|
2,616,436
|
$113,684,000 | — | 30 Sep 2021 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.81%
|
2,382,906
|
$103,535,000 | — | 30 Sep 2021 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.66%
|
1,960,601
|
$85,187,000 | — | 30 Sep 2021 | |
| Legal & General Group Plc |
13F
|
Company |
0.65%
|
1,919,441
|
$83,400,000 | — | 30 Sep 2021 | |
| Pacer Advisors, Inc. |
13F
|
Company |
0.53%
|
1,552,850
|
$67,471,000 | — | 30 Sep 2021 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.41%
|
1,218,576
|
$52,947,126 | — | 30 Sep 2021 | |
| Sumitomo Mitsui Trust Group, Inc. |
13F
|
Company |
0.39%
|
1,153,112
|
$50,103,000 | — | 30 Sep 2021 | |
| Swiss National Bank |
13F
|
Company |
0.39%
|
1,144,447
|
$49,726,000 | — | 30 Sep 2021 | |
| Mirae Asset Global Investments Co., Ltd. |
13F
|
Company |
0.38%
|
1,137,086
|
$49,407,000 | — | 30 Sep 2021 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.36%
|
1,061,146
|
$46,106,000 | — | 30 Sep 2021 | |
| PARAMETRIC PORTFOLIO ASSOCIATES LLC |
13F
|
Company |
0.35%
|
1,043,163
|
$45,325,000 | — | 30 Sep 2021 | |
| Nuveen Asset Management, LLC |
13F
|
Company |
0.35%
|
1,038,172
|
$45,109,000 | — | 30 Sep 2021 | |
| NORDEA INVESTMENT MANAGEMENT AB |
13F
|
Company |
0.33%
|
982,431
|
$43,689,000 | — | 30 Sep 2021 | |
| BARCLAYS PLC |
13F
|
Company |
0.34%
|
993,080
|
$43,149,000 | — | 30 Sep 2021 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
0.32%
|
959,069
|
$41,671,000 | — | 30 Sep 2021 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.31%
|
915,598
|
$39,783,000 | — | 30 Sep 2021 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.29%
|
864,502
|
$37,563,000 | — | 30 Sep 2021 | |
| Rockefeller Capital Management L.P. |
13F
|
Company |
0.25%
|
744,175
|
$32,333,000 | — | 30 Sep 2021 | |
| J.P. Morgan Private Wealth Advisors LLC |
13F
|
Company |
0.25%
|
730,400
|
$31,736,000 | — | 30 Sep 2021 | |
| WELCH & FORBES LLC |
13F
|
Company |
0.24%
|
722,326
|
$31,385,000 | — | 30 Sep 2021 | |
| Asset Management One Co., Ltd. |
13F
|
Company |
0.24%
|
702,389
|
$30,518,000 | — | 30 Sep 2021 | |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
|
Company |
0.23%
|
672,259
|
$29,210,000 | — | 30 Sep 2021 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.22%
|
642,979
|
$27,937,000 | — | 30 Sep 2021 | |
| UBS Group AG |
13F
|
Company |
0.21%
|
631,436
|
$27,436,000 | — | 30 Sep 2021 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.19%
|
569,192
|
$24,763,000 | — | 30 Sep 2021 | |
| AXA S.A. |
13F
|
Company |
0.19%
|
551,800
|
$23,976,000 | — | 30 Sep 2021 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.18%
|
539,700
|
$23,450,000 | — | 30 Sep 2021 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.18%
|
522,828
|
$22,717,000 | — | 30 Sep 2021 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.18%
|
519,472
|
$22,571,000 | — | 30 Sep 2021 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
0.17%
|
514,395
|
$22,350,000 | — | 30 Sep 2021 | |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM |
13F
|
Company |
0.17%
|
509,591
|
$22,142,000 | — | 30 Sep 2021 | |
| Handelsbanken Fonder AB |
13F
|
Company |
0.17%
|
496,786
|
$21,585,000 | — | 30 Sep 2021 | |
| CITIGROUP INC |
13F
|
Company |
0.16%
|
482,604
|
$20,969,000 | — | 30 Sep 2021 | |
| BANK OF MONTREAL /CAN/ |
13F
|
Company |
0.16%
|
470,499
|
$20,923,000 | — | 30 Sep 2021 | |
| Marble Harbor Investment Counsel, LLC |
13F
|
Company |
0.16%
|
474,921
|
$20,635,000 | — | 30 Sep 2021 |
Institutional Holders of IRON MOUNTAIN INC - Common Stock (IRM) as of Q4 2021
As of 31 Dec 2021,
IRON MOUNTAIN INC - Common Stock (IRM) was held by
735 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
227,876,068 shares.
The largest 10 holders included
VANGUARD GROUP INC, Capital World Investors, BlackRock Inc., STATE STREET CORP, GEODE CAPITAL MANAGEMENT, LLC, NORTHERN TRUST CORP, Invesco Ltd., DIMENSIONAL FUND ADVISORS LP, FMR LLC, and CHARLES SCHWAB INVESTMENT MANAGEMENT INC.
This page lists
736
institutional shareholders reporting positions in this security
for the Q4 2021 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2021 vs Q3 2021 Across Filers
Q3 2021 holders
693
Q4 2021 holders
735
Holder diff
42
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 Value $ | Q4 2021 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.