UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Position in IRM — Iron Mountain Inc
CIK 861177
NEW YORK, NY
Position in IRM
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$403,378,558
+$402,283,005 QoQ
Shares Held
3,193,560
+29674.0% QoQ
Ownership
1.07%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#16
of 1,151 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 46%
Shared 0%
None 54%
Common Shares in IRM Over Time
Shares Held
Position Value (USD)
Position in REIT - Specialty
Real Estate · as of Jun 30, 2026UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC holds $4,081,869,379 across 16 REIT - Specialty names. IRM ranks #4 (9.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | EQIX |
Equinix Inc
|
1,239,122 | $1,291,648,376 | |
| 2 | DLR |
Digital Realty Trust, Inc.
|
4,890,993 | $878,324,517 | |
| 3 | AMT |
American Tower Corp /Ma/
|
4,526,261 | $740,360,506 | |
| 4 | IRM |
Iron Mountain Inc
This page
|
3,193,560 | $403,378,558 | |
| 5 | CCI |
Crown Castle Inc.
|
3,872,994 | $293,301,830 | |
| 6 | SBAC |
Sba Communications Corp
|
900,762 | $158,948,457 | |
| 7 | GLPI |
Gaming & Leisure Properties, Inc.
|
2,443,672 | $108,816,708 | |
| 8 | WY |
Weyerhaeuser Co
|
4,347,780 | $104,085,849 |
All Filings in IRM
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $403,378,558 | 3,193,560 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $1,095,553 | 10,726 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $172,536 | 2,080 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $322,292,376 | 3,161,589 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $46,467,184 | 453,029 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $36,345,274 | 422,423 | Shares | Defined | 2025-05-19 | |
| 2024-12-31 | $44,800,299 | 426,223 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $376,756,448 | 3,170,550 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $44,606,472 | 497,729 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $123,697,210 | 1,542,167 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $114,145,982 | 1,631,123 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $90,073,879 | 1,515,120 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $58,960,744 | 1,037,676 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $54,903,430 | 1,037,676 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $50,282,095 | 1,008,668 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $43,537,154 | 990,156 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $52,674,539 | 1,081,835 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $64,669,172 | 1,167,103 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $63,577,020 | 1,214,925 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $52,947,121 | 1,218,576 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $60,031,252 | 1,418,508 | Shares | Other | 2021-08-16 | |
| 2021-03-31 | $65,946,818 | 1,781,865 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $51,569,035 | 1,749,289 | Shares | Defined | 2021-03-01 | |
| 2020-09-30 | $43,865,994 | 1,637,402 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $41,695,477 | 1,597,528 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $42,108,671 | 1,769,272 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||