- Type / Class
- Equity / Common Stock
- Shares outstanding
- 295,766,873
- Total 13F shares
- 249,978,232
- Share change
- -1,573,351
- Total reported value
- $8,751,026,653
- Put/Call ratio
- 365%
- Price per share
- $35.01
- Number of holders
- 473
- Value change
- -$52,174,184
- Number of buys
- 207
- Number of sells
- 203
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 |
15%
|
44,860,290
|
$1,474,109,000 | — | 31 Mar 2018 | |
| Capital World Investors |
13F
|
Company |
10%
|
30,951,600
|
$1,017,070,000 | — | 31 Mar 2018 | |
| BlackRock Finance, Inc. |
13F
|
Company |
6.9%
|
20,439,966
|
$671,656,000 | — | 31 Mar 2018 | |
| PARNASSUS INVESTMENTS, LLC |
13F
|
Company |
4.5%
|
13,318,718
|
$437,653,000 | — | 31 Mar 2018 | |
| Capital International Investors |
13F
|
Company |
3.8%
|
11,178,444
|
$367,324,000 | — | 31 Mar 2018 | |
| STATE STREET CORP |
13F
|
Company |
3.7%
|
10,898,361
|
$358,119,000 | — | 31 Mar 2018 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
2.3%
|
6,708,577
|
$220,444,000 | — | 31 Mar 2018 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
2.2%
|
6,500,672
|
$213,612,000 | — | 31 Mar 2018 | |
| Epoch Investment Partners, Inc. |
13F
|
Company |
2%
|
5,861,698
|
$192,615,000 | — | 31 Mar 2018 | |
| CENTERSQUARE INVESTMENT MANAGEMENT LLC |
13F
|
Company |
1.4%
|
4,168,047
|
$136,962,000 | — | 31 Mar 2018 | |
| Invesco Ltd. |
13F
|
Company |
1.4%
|
4,063,524
|
$133,527,000 | — | 31 Mar 2018 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.4%
|
4,018,062
|
$132,033,000 | — | 31 Mar 2018 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
1.3%
|
3,924,193
|
$128,948,000 | — | 31 Mar 2018 | |
| CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC |
13F
|
Company |
1.2%
|
3,504,293
|
$115,151,000 | — | 31 Mar 2018 | |
| SCHOONER CAPITAL CORP |
13F
|
Company |
1.1%
|
3,308,832
|
$108,728,000 | — | 31 Mar 2018 | |
| Bank of New York Mellon Corp |
13F
|
Company |
1.1%
|
3,270,309
|
$107,463,000 | — | 31 Mar 2018 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.1%
|
3,243,285
|
$106,339,000 | — | 31 Mar 2018 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.1%
|
3,155,576
|
$103,692,000 | — | 31 Mar 2018 | |
| MORGAN STANLEY |
13F
|
Company |
1.1%
|
3,154,855
|
$103,670,000 | — | 31 Mar 2018 | |
| CONFLUENCE INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.9%
|
2,656,402
|
$87,289,000 | — | 31 Mar 2018 | |
| NORGES BANK |
13F
|
Company |
0.88%
|
2,604,475
|
$85,583,000 | — | 31 Mar 2018 | |
| River Road Asset Management, LLC |
13F
|
Company |
0.86%
|
2,554,277
|
$83,934,000 | — | 31 Mar 2018 | |
| RAYMOND JAMES & ASSOCIATES |
13F
|
Company |
0.8%
|
2,363,296
|
$77,658,000 | — | 31 Mar 2018 | |
| COHEN & STEERS, INC. |
13F
|
Company |
0.66%
|
1,964,509
|
$64,554,000 | — | 31 Mar 2018 | |
| Makaira Partners LLC |
13F
|
Company |
0.61%
|
1,816,574
|
$59,692,000 | — | 31 Mar 2018 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.52%
|
1,530,092
|
$50,279,000 | — | 31 Mar 2018 | |
| THOMPSON SIEGEL & WALMSLEY LLC |
13F
|
Company |
0.5%
|
1,468,946
|
$48,269,000 | — | 31 Mar 2018 | |
| Schooner Foundation |
13F
|
Company |
0.49%
|
1,436,944
|
$47,218,000 | — | 31 Mar 2018 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.47%
|
1,382,606
|
$45,429,000 | — | 31 Mar 2018 | |
| Legal & General Group Plc |
13F
|
Company |
0.45%
|
1,335,454
|
$43,883,000 | — | 31 Mar 2018 | |
| GUGGENHEIM CAPITAL LLC |
13F
|
Company |
0.41%
|
1,201,190
|
$39,470,000 | — | 31 Mar 2018 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.37%
|
1,085,374
|
$35,665,389 | — | 31 Mar 2018 | |
| WELCH & FORBES LLC |
13F
|
Company |
0.35%
|
1,030,496
|
$33,861,000 | — | 31 Mar 2018 | |
| Asset Management One Co., Ltd. |
13F
|
Company |
0.34%
|
1,010,175
|
$33,194,000 | — | 31 Mar 2018 | |
| Mitsubishi UFJ Trust & Banking Corp |
13F
|
Company |
0.34%
|
1,005,240
|
$33,032,000 | — | 31 Mar 2018 | |
| Sumitomo Mitsui Trust Group, Inc. |
13F
|
Company |
0.31%
|
927,440
|
$30,476,000 | — | 31 Mar 2018 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.31%
|
905,021
|
$29,739,000 | — | 31 Mar 2018 | |
| BARCLAYS PLC |
13F
|
Company |
0.3%
|
891,742
|
$29,302,000 | — | 31 Mar 2018 | |
| Swiss National Bank |
13F
|
Company |
0.29%
|
857,764
|
$28,186,000 | — | 31 Mar 2018 | |
| Nuveen Asset Management, LLC |
13F
|
Company |
0.28%
|
830,481
|
$27,290,000 | — | 31 Mar 2018 | |
| PICTET ASSET MANAGEMENT LTD |
13F
|
Company |
0.27%
|
809,684
|
$26,606,000 | — | 31 Mar 2018 | |
| TIAA CREF INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.27%
|
790,408
|
$25,973,000 | — | 31 Mar 2018 | |
| Capital Bank & Trust Co |
13F
|
Company |
0.26%
|
765,733
|
$25,162,000 | — | 31 Mar 2018 | |
| Neuberger Berman Group LLC |
13F
|
Company |
0.26%
|
760,382
|
$24,986,000 | — | 31 Mar 2018 | |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
|
Company |
0.25%
|
744,789
|
$24,474,000 | — | 31 Mar 2018 | |
| CAPITAL GUARDIAN TRUST CO |
13F
|
Company |
0.24%
|
705,298
|
$23,176,000 | — | 31 Mar 2018 | |
| UNITED SERVICES AUTOMOBILE ASSOCIATION |
13F
|
Company |
0.23%
|
689,315
|
$22,651,000 | — | 31 Mar 2018 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.23%
|
669,395
|
$21,996,000 | — | 31 Mar 2018 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.21%
|
619,786
|
$20,366,000 | — | 31 Mar 2018 | |
| Greenhouse Funds LLLP |
13F
|
Company |
0.2%
|
593,395
|
$19,499,000 | — | 31 Mar 2018 |
Institutional Holders of IRON MOUNTAIN INC - Common Stock (IRM) as of Q2 2018
As of 30 Jun 2018,
IRON MOUNTAIN INC - Common Stock (IRM) was held by
473 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
249,978,232 shares.
The largest 10 holders included
VANGUARD GROUP INC, Capital World Investors, BlackRock Inc., PARNASSUS INVESTMENTS /CA, Capital International Investors, STATE STREET CORP, JPMORGAN CHASE & CO, GOLDMAN SACHS GROUP INC, COHEN & STEERS INC, and Epoch Investment Partners, Inc..
This page lists
474
institutional shareholders reporting positions in this security
for the Q2 2018 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2018 vs Q1 2018 Across Filers
Q1 2018 holders
461
Q2 2018 holders
473
Holder diff
12
| Investor | Q1 2018 Shares | Q2 2018 Shares | Share Diff | Share Chg % | Q1 2018 Value $ | Q2 2018 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.