Robeco Institutional Asset Management B.V.
Position in IRM — Iron Mountain Inc
CIK 1418773
ROTTERDAM, P7
Position in IRM
as of Jun 30, 2026
· filed Jul 21, 2026
Position Value
$37,627,622
+$36,136,072 QoQ
Shares Held
297,899
+1940.0% QoQ
Ownership
0.100%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#84
of 1,128 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 63%
Shared 0%
None 37%
Common Shares in IRM Over Time
Shares Held
Position Value (USD)
Position in REIT - Specialty
Real Estate · as of Jun 30, 2026Robeco Institutional Asset Management B.V. holds $258,158,423 across 13 REIT - Specialty names. IRM ranks #2 (14.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | EQIX |
Equinix Inc
|
112,971 | $117,759,840 | |
| 2 | IRM |
Iron Mountain Inc
This page
|
297,899 | $37,627,622 | |
| 3 | AMT |
American Tower Corp /Ma/
|
187,763 | $30,712,393 | |
| 4 | DLR |
Digital Realty Trust, Inc.
|
150,571 | $27,039,540 | |
| 5 | CCI |
Crown Castle Inc.
|
214,629 | $16,253,854 | |
| 6 | GLPI |
Gaming & Leisure Properties, Inc.
|
348,868 | $15,535,092 | |
| 7 | SBAC |
Sba Communications Corp
|
28,191 | $4,974,583 | |
| 8 | RYN |
Rayonier Inc
|
203,509 | $4,330,671 |
All Filings in IRM
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $37,627,622 | 297,899 | Shares | Defined | 2026-07-21 | |
| 2026-03-31 | $1,491,550 | 14,603 | Shares | Defined | 2026-04-21 | |
| 2025-12-31 | $1,302,066 | 15,697 | Shares | Defined | 2026-01-23 | |
| 2025-09-30 | $1,501,066 | 14,725 | Shares | Defined | 2025-10-22 | |
| 2025-06-30 | $1,510,343 | 14,725 | Shares | Defined | 2025-07-18 | |
| 2025-03-31 | $1,738,524 | 20,206 | Shares | Defined | 2025-04-23 | |
| 2024-12-31 | $2,014,643 | 19,167 | Shares | Defined | 2025-01-23 | |
| 2024-09-30 | $5,524,287 | 46,489 | Shares | Defined | 2024-10-29 | |
| 2024-06-30 | $6,758,692 | 75,415 | Shares | Defined | 2024-07-23 | |
| 2024-03-31 | $24,093,880 | 300,385 | Shares | Defined | 2024-04-24 | |
| 2023-12-31 | $2,949,936 | 42,154 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $1,573,998 | 26,476 | Shares | Defined | 2023-10-24 | |
| 2023-06-30 | $3,639,661 | 64,056 | Shares | Defined | 2023-07-24 | |
| 2023-03-31 | $4,553,593 | 86,063 | Shares | Defined | 2023-05-04 | |
| 2022-12-31 | $10,666,853 | 213,979 | Shares | Defined | 2023-02-07 | |
| 2022-09-30 | $8,811,675 | 200,402 | Shares | Defined | 2022-12-01 | |
| 2022-06-30 | $4,366,616 | 89,682 | Shares | Defined | 2022-12-01 | |
| 2022-03-31 | $11,452,415 | 206,685 | Shares | Defined | 2022-12-01 | |
| 2021-12-31 | $12,444,387 | 237,806 | Shares | Defined | 2022-12-01 | |
| 2021-09-30 | $13,617,707 | 313,411 | Shares | Defined | 2022-12-01 | |
| 2021-06-30 | $12,436,790 | 293,875 | Shares | Defined | 2022-12-01 | |
| 2021-03-31 | $9,087,620 | 245,545 | Shares | Defined | 2022-12-01 | |
| 2020-12-31 | $6,261,375 | 212,394 | Shares | Defined | 2022-12-01 | |
| 2020-09-30 | $6,417,571 | 239,551 | Shares | Defined | 2021-01-19 | |
| 2020-06-30 | $6,121,050 | 234,523 | Shares | Defined | 2021-01-19 | |
| 2020-03-31 | $461,053 | 19,372 | Shares | Defined | 2021-01-19 | |
| No filing history on record for this holder in this stock. | ||||||