Security key
46284V101
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 297,661,125
- Total 13F shares
- 240,934,690
- Share change
- +4,604,167
- Total reported value
- $20,734,604,323
- Put/Call ratio
- 137%
- Price per share
- $86.04
- Number of holders
- 981
- Value change
- +$263,720,115
- Number of buys
- 421
- Number of sells
- 536
Report period
Q1 2025
Institutions
981
Top holders
10
IRM full security history
Newer quarter: Q2 2025
Previous quarter: Q4 2024
IRON MOUNTAIN INC SEC filings
IRON MOUNTAIN INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 46284V101
Recent filing periods:
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 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.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
|
Company |
16%
|
46,605,170
|
$4,898,669,419 | — | 31 Dec 2024 | |
| BlackRock, Inc. |
13F
|
Company |
11%
|
32,072,872
|
$3,371,179,654 | — | 31 Dec 2024 | |
| STATE STREET CORP |
13F
|
Company |
5.6%
|
16,621,783
|
$1,758,649,862 | — | 31 Dec 2024 | |
| COHEN & STEERS, INC. |
13F
|
Company |
5%
|
14,907,846
|
$1,566,817,000 | — | 31 Dec 2024 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.7%
|
7,912,109
|
$832,880,543 | — | 31 Dec 2024 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.5%
|
4,326,476
|
$454,755,892 | — | 31 Dec 2024 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
1.4%
|
4,219,263
|
$443,476,479 | — | 31 Dec 2024 | |
| Capital World Investors |
13F
|
Company |
1.3%
|
3,817,417
|
$401,248,701 | — | 31 Dec 2024 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.2%
|
3,478,790
|
$365,655,617 | — | 31 Dec 2024 | |
| MORGAN STANLEY |
13F
|
Company |
1.1%
|
3,386,215
|
$355,925,246 | — | 31 Dec 2024 | |
| NORGES BANK |
13F
|
Company |
1.1%
|
3,313,186
|
$348,248,980 | — | 31 Dec 2024 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
1.1%
|
3,253,738
|
$342,000,403 | — | 31 Dec 2024 | |
| Legal & General Group Plc |
13F
|
Company |
1.1%
|
3,182,440
|
$334,506,268 | — | 31 Dec 2024 | |
| Daiwa Securities Group Inc. |
13F
|
Company |
0.99%
|
2,947,121
|
$309,772,000 | — | 31 Dec 2024 | |
| Nuveen Asset Management, LLC |
13F
|
Company |
0.86%
|
2,548,970
|
$267,922,274 | — | 31 Dec 2024 | |
| Invesco Ltd. |
13F
|
Company |
0.83%
|
2,482,820
|
$260,969,225 | — | 31 Dec 2024 | |
| Pictet Asset Management Holding SA |
13F
|
Company |
0.78%
|
2,329,022
|
$244,803,502 | — | 31 Dec 2024 | |
| AGF MANAGEMENT LTD |
13F
|
Company |
0.72%
|
2,133,904
|
$224,294,649 | — | 31 Dec 2024 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.68%
|
2,034,912
|
$213,889,636 | — | 31 Dec 2024 | |
| TD ASSET MANAGEMENT INC |
13F
|
Company |
0.66%
|
1,952,432
|
$205,220,127 | — | 31 Dec 2024 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.62%
|
1,855,832
|
$194,964,762 | — | 31 Dec 2024 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.59%
|
1,750,066
|
$183,949,482 | — | 31 Dec 2024 | |
| CENTERSQUARE INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.57%
|
1,706,252
|
$179,344,148 | — | 31 Dec 2024 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.53%
|
1,590,370
|
$167,263,145 | — | 31 Dec 2024 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.52%
|
1,547,708
|
$162,679,588 | — | 31 Dec 2024 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.5%
|
1,478,520
|
$155,407,245 | — | 31 Dec 2024 | |
| Amundi |
13F
|
Individual |
0.48%
|
1,438,801
|
$147,980,684 | — | 31 Dec 2024 | |
| PRUDENTIAL FINANCIAL INC |
13F
|
Company |
0.46%
|
1,363,213
|
$143,287,319 | — | 31 Dec 2024 | |
| DUFF & PHELPS INVESTMENT MANAGEMENT CO |
13F
|
Company |
0.42%
|
1,246,311
|
$130,999,749 | — | 31 Dec 2024 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.4%
|
1,200,660
|
$126,201,350 | — | 31 Dec 2024 | |
| Deutsche Girozentrale DekaBank |
13F
|
Individual |
0.38%
|
1,122,500
|
$116,311,000 | — | 31 Dec 2024 | |
| PGGM Investments |
13F
|
Individual |
0.36%
|
1,084,387
|
$113,980,000 | — | 31 Dec 2024 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.36%
|
1,061,207
|
$111,543,528 | — | 31 Dec 2024 | |
| CIBC Private Wealth Group LLC |
13F
|
Company |
0.34%
|
1,016,176
|
$104,513,654 | — | 31 Dec 2024 | |
| Sumitomo Mitsui Trust Group, Inc. |
13F
|
Company |
0.31%
|
910,723
|
$95,726,095 | — | 31 Dec 2024 | |
| UBS Group AG |
13F
|
Company |
0.3%
|
903,264
|
$94,942,079 | — | 31 Dec 2024 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.29%
|
877,238
|
$92,207,000 | — | 31 Dec 2024 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.29%
|
848,367
|
$89,172,268 | — | 31 Dec 2024 | |
| Swiss National Bank |
13F
|
Company |
0.28%
|
828,761
|
$87,111,069 | — | 31 Dec 2024 | |
| CAPTRUST FINANCIAL ADVISORS |
13F
|
Company |
0.27%
|
796,317
|
$83,700,870 | — | 31 Dec 2024 | |
| Epoch Investment Partners, Inc. |
13F
|
Company |
0.25%
|
747,550
|
$78,574,980 | — | 31 Dec 2024 | |
| HSBC HOLDINGS PLC |
13F
|
Company |
0.25%
|
743,548
|
$77,999,663 | — | 31 Dec 2024 | |
| WELCH & FORBES LLC |
13F
|
Company |
0.23%
|
679,762
|
$71,449,848 | — | 31 Dec 2024 | |
| AEW CAPITAL MANAGEMENT L P |
13F
|
Company |
0.23%
|
678,887
|
$71,357,813 | — | 31 Dec 2024 | |
| FMR LLC |
13F
|
Company |
0.22%
|
667,739
|
$70,185,981 | — | 31 Dec 2024 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.22%
|
660,778
|
$69,454,344 | — | 31 Dec 2024 | |
| Mitsubishi UFJ Asset Management Co., Ltd. |
13F
|
Company |
0.22%
|
657,443
|
$69,491,725 | — | 31 Dec 2024 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.21%
|
637,206
|
$66,976,594 | — | 31 Dec 2024 | |
| BANK OF MONTREAL /CAN/ |
13F
|
Company |
0.21%
|
630,709
|
$66,293,774 | — | 31 Dec 2024 | |
| Aberdeen Group plc |
13F
|
Company |
0.21%
|
630,036
|
$65,388,286 | — | 31 Dec 2024 |
Institutional Holders of IRON MOUNTAIN INC - Common Stock (IRM) as of Q1 2025
As of 31 Mar 2025,
IRON MOUNTAIN INC - Common Stock (IRM) was held by
981 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
240,934,690 shares.
The largest 10 holders included
VANGUARD GROUP INC, BlackRock, Inc., STATE STREET CORP, COHEN & STEERS, INC., GEODE CAPITAL MANAGEMENT, LLC, FMR LLC, NORTHERN TRUST CORP, DIMENSIONAL FUND ADVISORS LP, NORGES BANK, and CHARLES SCHWAB INVESTMENT MANAGEMENT INC.
This page lists
989
institutional shareholders reporting positions in this security
for the Q1 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2025 vs Q4 2024 Across Filers
Q4 2024 holders
1,052
Q1 2025 holders
981
Holder diff
-71
| Investor | Q4 2024 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2024 Value $ | Q1 2025 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.