Public Sector Pension Investment Board
PensionPosition in IRM — Iron Mountain Inc
CIK 1396318
MONTREAL, A8
Position in IRM
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$8,599,473
+$2,357,735 QoQ
Shares Held
84,193
+11.9% QoQ
Ownership
0.028%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 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 Mar 31, 2026Public Sector Pension Investment Board holds $145,743,892 across 10 REIT - Specialty names. IRM ranks #7 (5.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | EQIX |
Equinix Inc
|
45,954 | $45,045,948 | |
| 2 | AMT |
American Tower Corp /Ma/
|
133,192 | $22,986,275 | |
| 3 | DLR |
Digital Realty Trust, Inc.
|
91,836 | $16,549,765 | |
| 4 | OUT |
OUTFRONT Media Inc.
|
520,540 | $13,794,310 | |
| 5 | EPR |
Epr Properties
|
249,039 | $12,441,988 | |
| 6 | CCI |
Crown Castle Inc.
|
123,958 | $10,079,024 | |
| 7 | IRM |
Iron Mountain Inc
This page
|
84,193 | $8,599,473 | |
| 8 | UNIT |
Uniti Group Inc.
|
641,345 | $6,015,816 |
All Filings in IRM
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $8,599,473 | 84,193 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $6,241,738 | 75,247 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $6,491,539 | 63,680 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $6,223,127 | 60,672 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $6,757,753 | 78,542 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $23,668,774 | 225,181 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $6,075,540 | 51,128 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $3,649,147 | 40,718 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $2,771,576 | 34,554 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $2,445,381 | 34,944 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $3,523,839 | 59,274 | Shares | Sole | 2023-11-22 | |
| 2023-06-30 | $3,174,476 | 55,869 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $3,579,361 | 67,650 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $3,350,717 | 67,216 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $2,345,755 | 53,349 | Shares | Sole | 2023-01-10 | |
| 2022-06-30 | $1,360,836 | 27,949 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $2,244,105 | 40,500 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $2,528,062 | 48,310 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $2,428,594 | 55,894 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $2,212,531 | 52,281 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $1,108,153 | 29,942 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $11,456,812 | 388,630 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $10,739,575 | 400,880 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $10,277,658 | 393,780 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $9,393,384 | 394,680 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||