Maryland State Retirement & Pension System
PensionPosition in IRM — Iron Mountain Inc
CIK 1795552
BALTIMORE, MD
Position in IRM
as of Mar 31, 2026
· filed May 4, 2026
Position Value
$1,501,764
+$318,980 QoQ
Shares Held
14,703
+3.1% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
20 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IRM Over Time
Shares Held
Position Value (USD)
Position in REIT - Specialty
Real Estate · as of Mar 31, 2026Maryland State Retirement & Pension System holds $140,698,361 across 12 REIT - Specialty names. IRM ranks #6 (1.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMT |
American Tower Corp /Ma/
|
446,060 | $76,981,034 | |
| 2 | CCI |
Crown Castle Inc.
|
414,177 | $33,676,731 | |
| 3 | SBAC |
Sba Communications Corp
|
101,398 | $17,451,609 | |
| 4 | EQIX |
Equinix Inc
|
4,871 | $4,774,749 | |
| 5 | DLR |
Digital Realty Trust, Inc.
|
17,877 | $3,221,614 | |
| 6 | IRM |
Iron Mountain Inc
This page
|
14,703 | $1,501,764 | |
| 7 | WY |
Weyerhaeuser Co
|
35,722 | $872,688 | |
| 8 | GLPI |
Gaming & Leisure Properties, Inc.
|
13,068 | $579,827 |
All Filings in IRM
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20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,501,764 | 14,703 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $1,182,784 | 14,259 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,453,562 | 14,259 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $1,462,545 | 14,259 | Shares | Sole | 2025-07-23 | |
| 2025-03-31 | $1,170,918 | 13,609 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $1,633,934 | 15,545 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $1,980,896 | 16,670 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,981,318 | 22,108 | Shares | Sole | 2024-07-30 | |
| 2024-03-31 | $1,773,282 | 22,108 | Shares | Sole | 2024-04-19 | |
| 2023-12-31 | $1,547,117 | 22,108 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $1,314,320 | 22,108 | Shares | Sole | 2023-10-24 | |
| 2023-06-30 | $1,256,176 | 22,108 | Shares | Sole | 2023-07-11 | |
| 2023-03-31 | $1,200,792 | 22,695 | Shares | Sole | 2023-04-20 | |
| 2022-12-31 | $1,131,345 | 22,695 | Shares | Sole | 2023-01-18 | |
| 2022-06-30 | $1,061,490 | 21,801 | Shares | Sole | 2022-08-01 | |
| 2022-03-31 | $1,207,993 | 21,801 | Shares | Sole | 2022-04-11 | |
| 2021-12-31 | $1,140,846 | 21,801 | Shares | Sole | 2022-02-09 | |
| 2021-09-30 | $947,253 | 21,801 | Shares | Sole | 2021-10-29 | |
| 2021-06-30 | $922,618 | 21,801 | Shares | Sole | 2021-07-13 | |
| 2021-03-31 | $806,855 | 21,801 | Shares | Sole | 2021-05-10 | |
| No filing history on record for this holder in this stock. | ||||||