Sumitomo Mitsui DS Asset Management Company, Ltd
Position in IRM — Iron Mountain Inc
CIK 1411530
TOKYO, M0
Position in IRM
as of Jun 30, 2026
· filed Jul 22, 2026
Position Value
$14,251,178
+$3,044,173 QoQ
Shares Held
112,827
+2.8% QoQ
Ownership
0.038%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#168
of 1,152 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IRM Over Time
Shares Held
Position Value (USD)
Position in REIT - Specialty
Real Estate · as of Jun 30, 2026Sumitomo Mitsui DS Asset Management Company, Ltd holds $123,507,773 across 11 REIT - Specialty names. IRM ranks #3 (11.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | EQIX |
Equinix Inc
|
49,887 | $52,001,709 | |
| 2 | DLR |
Digital Realty Trust, Inc.
|
149,461 | $26,840,206 | |
| 3 | IRM |
Iron Mountain Inc
This page
|
112,827 | $14,251,178 | |
| 4 | AMT |
American Tower Corp /Ma/
|
69,317 | $11,338,181 | |
| 5 | GLPI |
Gaming & Leisure Properties, Inc.
|
104,375 | $4,647,818 | |
| 6 | CCI |
Crown Castle Inc.
|
58,665 | $4,442,700 | |
| 7 | LAMR |
Lamar Advertising Co/New
|
20,479 | $3,194,314 | |
| 8 | SBAC |
Sba Communications Corp
|
13,816 | $2,437,971 |
All Filings in IRM
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $14,251,178 | 112,827 | Shares | Sole | 2026-07-22 | |
| 2026-03-31 | $11,207,005 | 109,722 | Shares | Sole | 2026-04-24 | |
| 2025-12-31 | $8,511,997 | 102,616 | Shares | Sole | 2026-02-03 | |
| 2025-09-30 | $10,232,533 | 100,378 | Shares | Sole | 2025-10-24 | |
| 2025-06-30 | $9,950,725 | 97,014 | Shares | Sole | 2025-07-10 | |
| 2025-03-31 | $8,170,788 | 94,965 | Shares | Sole | 2025-04-28 | |
| 2024-12-31 | $9,730,032 | 92,570 | Shares | Sole | 2025-01-28 | |
| 2024-09-30 | $10,059,434 | 84,654 | Shares | Sole | 2024-10-17 | |
| 2024-06-30 | $7,230,003 | 80,674 | Shares | Sole | 2024-07-30 | |
| 2024-03-31 | $6,223,894 | 77,595 | Shares | Sole | 2024-05-02 | |
| 2023-12-31 | $5,378,032 | 76,851 | Shares | Sole | 2024-02-01 | |
| 2023-09-30 | $4,363,332 | 73,395 | Shares | Sole | 2023-10-30 | |
| 2023-06-30 | $3,944,273 | 69,417 | Shares | Sole | 2023-08-04 | |
| 2023-03-31 | $3,562,536 | 67,332 | Shares | Sole | 2023-05-02 | |
| 2022-12-31 | $3,164,278 | 63,476 | Shares | Sole | 2023-01-26 | |
| 2022-09-30 | $2,705,166 | 61,523 | Shares | Sole | 2022-10-19 | |
| 2022-06-30 | $2,641,286 | 54,247 | Shares | Sole | 2022-07-13 | |
| 2022-03-31 | $2,784,463 | 50,252 | Shares | Sole | 2022-04-19 | |
| 2021-12-31 | $2,407,546 | 46,007 | Shares | Sole | 2022-01-20 | |
| 2021-09-30 | $1,885,121 | 43,386 | Shares | Sole | 2021-10-15 | |
| 2021-06-30 | $1,775,747 | 41,960 | Shares | Sole | 2021-07-19 | |
| 2021-03-31 | $1,437,283 | 38,835 | Shares | Sole | 2021-05-07 | |
| 2020-12-31 | $1,070,536 | 36,314 | Shares | Sole | 2021-02-02 | |
| 2020-09-30 | $997,525 | 37,235 | Shares | Sole | 2020-10-29 | |
| 2020-06-30 | $915,640 | 35,082 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $764,551 | 32,124 | Shares | Sole | 2020-04-21 | |
| No filing history on record for this holder in this stock. | ||||||