- Type / Class
- Equity / Common Stock
- Shares outstanding
- 295,766,873
- Total 13F shares
- 203,513,181
- Share change
- -1,780,548
- Total reported value
- $5,498,119,514
- Put/Call ratio
- 28%
- Price per share
- $27.01
- Number of holders
- 328
- Value change
- -$53,702,658
- Number of buys
- 169
- Number of sells
- 134
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 |
9.9%
|
29,278,648
|
$908,224,000 | — | 30 Sep 2015 | |
| Capital World Investors |
13F
|
Company |
7.9%
|
23,447,792
|
$727,351,000 | — | 30 Sep 2015 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
5.3%
|
15,531,173
|
$481,777,000 | — | 30 Sep 2015 | |
| PARNASSUS INVESTMENTS, LLC |
13F
|
Company |
4%
|
11,876,348
|
$353,791,000 | — | 30 Sep 2015 | |
| Capital International Investors |
13F
|
Company |
3.2%
|
9,417,141
|
$292,120,000 | — | 30 Sep 2015 | |
| Epoch Investment Partners, Inc. |
13F
|
Company |
2.9%
|
8,451,544
|
$262,167,000 | — | 30 Sep 2015 | |
| SCHOONER CAPITAL CORP |
13F
|
Company |
2.8%
|
8,346,463
|
$258,907,000 | — | 30 Sep 2015 | |
| STATE STREET CORP |
13F
|
Company |
2.8%
|
8,169,579
|
$253,418,000 | — | 30 Sep 2015 | |
| BlackRock Institutional Trust Company, N.A. |
13F
|
Company |
2.2%
|
6,513,601
|
$202,052,000 | — | 30 Sep 2015 | |
| HIGHFIELDS CAPITAL MANAGEMENT LP |
13F
|
Company |
2.1%
|
6,165,295
|
$191,247,000 | — | 30 Sep 2015 | |
| River Road Asset Management, LLC |
13F
|
Company |
1.5%
|
4,477,291
|
$138,886,000 | — | 30 Sep 2015 | |
| BlackRock Fund Advisors |
13F
|
Company |
1.3%
|
3,912,125
|
$121,354,000 | — | 30 Sep 2015 | |
| Schooner Foundation |
13F
|
Company |
1.1%
|
3,371,561
|
$104,586,000 | — | 30 Sep 2015 | |
| CAPITAL GUARDIAN TRUST CO |
13F
|
Company |
0.89%
|
2,619,819
|
$81,267,000 | — | 30 Sep 2015 | |
| Makaira Partners LLC |
13F
|
Company |
0.88%
|
2,616,117
|
$81,152,000 | — | 30 Sep 2015 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.81%
|
2,402,767
|
$74,535,000 | — | 30 Sep 2015 | |
| RAYMOND JAMES & ASSOCIATES |
13F
|
Company |
0.76%
|
2,240,268
|
$69,493,000 | — | 30 Sep 2015 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.71%
|
2,089,751
|
$64,825,000 | — | 30 Sep 2015 | |
| WASATCH ADVISORS LP |
13F
|
Company |
0.66%
|
1,943,802
|
$60,297,000 | — | 30 Sep 2015 | |
| RS INVESTMENT MANAGEMENT CO LLC |
13F
|
Company |
0.65%
|
1,933,950
|
$59,991,000 | — | 30 Sep 2015 | |
| Uniplan Investment Counsel, Inc. |
13F
|
Company |
0.62%
|
1,831,585
|
$56,821,000 | — | 30 Sep 2015 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.61%
|
1,805,763
|
$56,013,000 | — | 30 Sep 2015 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.57%
|
1,683,497
|
$52,130,000 | — | 30 Sep 2015 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
0.54%
|
1,587,069
|
$49,239,000 | — | 30 Sep 2015 | |
| NORGES BANK |
13F
|
Company |
0.53%
|
1,554,975
|
$48,235,000 | — | 30 Sep 2015 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.47%
|
1,386,954
|
$43,021,000 | — | 30 Sep 2015 | |
| BlackRock Group LTD |
13F
|
Company |
0.47%
|
1,383,280
|
$42,909,000 | — | 30 Sep 2015 | |
| CONFLUENCE INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.45%
|
1,325,481
|
$41,116,000 | — | 30 Sep 2015 | |
| COLRAIN CAPITAL LLC |
13F
|
Company |
0.43%
|
1,274,700
|
$39,541,000 | — | 30 Sep 2015 | |
| WELCH & FORBES LLC |
13F
|
Company |
0.43%
|
1,270,345
|
$39,406,000 | — | 30 Sep 2015 | |
| STIFEL FINANCIAL CORP |
13F
|
Company |
0.36%
|
1,050,230
|
$32,577,000 | — | 30 Sep 2015 | |
| UNITED SERVICES AUTOMOBILE ASSOCIATION |
13F
|
Company |
0.33%
|
967,887
|
$30,024,000 | — | 30 Sep 2015 | |
| Owl Creek Asset Management, L.P. |
13F
|
Company |
0.3%
|
901,117
|
$27,953,000 | — | 30 Sep 2015 | |
| BLAIR WILLIAM & CO/IL |
13F
|
Company |
0.3%
|
889,903
|
$27,605,000 | — | 30 Sep 2015 | |
| GUGGENHEIM CAPITAL LLC |
13F
|
Company |
0.28%
|
830,738
|
$25,769,000 | — | 30 Sep 2015 | |
| Legal & General Group Plc |
13F
|
Company |
0.28%
|
826,929
|
$25,649,000 | — | 30 Sep 2015 | |
| JANUS HENDERSON INVESTORS US LLC |
13F
|
Company |
0.26%
|
781,124
|
$24,231,000 | — | 30 Sep 2015 | |
| GW CAPITAL INC |
13F
|
Company |
0.26%
|
762,164
|
$23,642,000 | — | 30 Sep 2015 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.25%
|
733,542
|
$22,756,000 | — | 30 Sep 2015 | |
| TIAA CREF INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.25%
|
730,880
|
$22,672,000 | — | 30 Sep 2015 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.25%
|
728,450
|
$22,597,000 | — | 30 Sep 2015 | |
| Stonerise Capital Management, LLC |
13F
|
Company |
0.23%
|
675,000
|
$20,939,000 | — | 30 Sep 2015 | |
| Sumitomo Mitsui Trust Group, Inc. |
13F
|
Company |
0.23%
|
668,482
|
$20,736,000 | — | 30 Sep 2015 | |
| THOMPSON SIEGEL & WALMSLEY LLC |
13F
|
Company |
0.21%
|
632,419
|
$19,618,000 | — | 30 Sep 2015 | |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
|
Company |
0.21%
|
621,499
|
$19,279,000 | — | 30 Sep 2015 | |
| PICTET ASSET MANAGEMENT LTD |
13F
|
Company |
0.21%
|
611,872
|
$18,980,000 | — | 30 Sep 2015 | |
| SYMONS CAPITAL MANAGEMENT INC |
13F
|
Company |
0.2%
|
596,779
|
$18,513,000 | — | 30 Sep 2015 | |
| TD ASSET MANAGEMENT INC |
13F
|
Company |
0.2%
|
582,567
|
$18,072,000 | — | 30 Sep 2015 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.2%
|
581,538
|
$18,040,000 | — | 30 Sep 2015 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.18%
|
537,595
|
$16,676,000 | — | 30 Sep 2015 |
Institutional Holders of IRON MOUNTAIN INC - Common Stock (IRM) as of Q4 2015
As of 31 Dec 2015,
IRON MOUNTAIN INC - Common Stock (IRM) was held by
328 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
203,513,181 shares.
The largest 10 holders included
VANGUARD GROUP INC, Capital World Investors, PRICE T ROWE ASSOCIATES INC /MD/, PARNASSUS INVESTMENTS /CA, Capital International Investors, STATE STREET CORP, SCHOONER CAPITAL Corp, Epoch Investment Partners, Inc., BlackRock Institutional Trust Company, N.A., and River Road Asset Management, LLC.
This page lists
328
institutional shareholders reporting positions in this security
for the Q4 2015 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2015 vs Q3 2015 Across Filers
Q3 2015 holders
310
Q4 2015 holders
328
Holder diff
18
| Investor | Q3 2015 Shares | Q4 2015 Shares | Share Diff | Share Chg % | Q3 2015 Value $ | Q4 2015 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.