STATE OF MICHIGAN RETIREMENT SYSTEM
PensionPosition in IRM — Iron Mountain Inc
CIK 762152
EAST LANSING, MI
Position in IRM
as of Jun 30, 2026
· filed Jul 30, 2026
Position Value
$9,618,001
+$1,728,095 QoQ
Shares Held
76,146
-1.4% QoQ
Ownership
0.026%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#205
of 1,151 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, 2026STATE OF MICHIGAN RETIREMENT SYSTEM holds $97,170,927 across 11 REIT - Specialty names. IRM ranks #4 (9.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | EQIX |
Equinix Inc
|
25,217 | $26,285,948 | |
| 2 | AMT |
American Tower Corp /Ma/
|
119,284 | $19,511,283 | |
| 3 | DLR |
Digital Realty Trust, Inc.
|
84,581 | $15,189,055 | |
| 4 | IRM |
Iron Mountain Inc
This page
|
76,146 | $9,618,001 | |
| 5 | CCI |
Crown Castle Inc.
|
111,752 | $8,462,978 | |
| 6 | SBAC |
Sba Communications Corp
|
27,142 | $4,789,477 | |
| 7 | WY |
Weyerhaeuser Co
|
184,577 | $4,418,773 | |
| 8 | GLPI |
Gaming & Leisure Properties, Inc.
|
73,500 | $3,272,955 |
All Filings in IRM
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $9,618,001 | 76,146 | Shares | Sole | 2026-07-30 | |
| 2026-03-31 | $7,889,906 | 77,246 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $6,415,850 | 77,346 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $8,139,501 | 79,846 | Shares | Sole | 2025-11-05 | |
| 2025-06-30 | $8,230,832 | 80,246 | Shares | Sole | 2025-08-05 | |
| 2025-03-31 | $6,852,741 | 79,646 | Shares | Sole | 2025-04-30 | |
| 2024-12-31 | $8,371,591 | 79,646 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $9,488,100 | 79,846 | Shares | Sole | 2024-11-04 | |
| 2024-06-30 | $7,191,646 | 80,246 | Shares | Sole | 2024-07-26 | |
| 2024-03-31 | $6,420,489 | 80,046 | Shares | Sole | 2024-04-18 | |
| 2023-12-31 | $5,594,621 | 79,946 | Shares | Sole | 2024-01-23 | |
| 2023-09-30 | $4,758,734 | 80,046 | Shares | Sole | 2023-10-27 | |
| 2023-06-30 | $4,553,895 | 80,146 | Shares | Sole | 2023-07-26 | |
| 2023-03-31 | $4,224,651 | 79,846 | Shares | Sole | 2023-04-28 | |
| 2022-12-31 | $3,940,443 | 79,046 | Shares | Sole | 2023-01-27 | |
| 2022-09-30 | $3,458,064 | 78,646 | Shares | Sole | 2022-10-24 | |
| 2022-06-30 | $3,819,535 | 78,446 | Shares | Sole | 2022-08-08 | |
| 2022-03-31 | $4,673,501 | 84,344 | Shares | Sole | 2022-05-04 | |
| 2021-12-31 | $4,405,872 | 84,194 | Shares | Sole | 2022-01-27 | |
| 2021-09-30 | $3,388,926 | 77,996 | Shares | Sole | 2021-10-27 | |
| 2021-06-30 | $3,296,558 | 77,896 | Shares | Sole | 2021-07-27 | |
| 2021-03-31 | $2,853,322 | 77,096 | Shares | Sole | 2021-07-27 | |
| 2020-12-31 | $2,275,738 | 77,196 | Shares | Sole | 2021-07-27 | |
| 2020-09-30 | $2,070,759 | 77,296 | Shares | Sole | 2020-10-26 | |
| 2020-06-30 | $1,918,245 | 73,496 | Shares | Sole | 2020-07-29 | |
| 2020-03-31 | $1,567,134 | 65,846 | Shares | Sole | 2020-05-01 | |
| No filing history on record for this holder in this stock. | ||||||