HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
PensionPosition in IRM — Iron Mountain Inc
CIK 1535845
TORONTO, A6
Position in IRM
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$21,948,456
+$20,979,186 QoQ
Shares Held
214,886
+1739.0% QoQ
Ownership
0.072%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
12 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, 2026HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $342,533,323 across 9 REIT - Specialty names. IRM ranks #6 (6.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | EQIX |
Equinix Inc
|
89,235 | $87,471,716 | |
| 2 | AMT |
American Tower Corp /Ma/
|
419,403 | $72,380,569 | |
| 3 | DLR |
Digital Realty Trust, Inc.
|
353,870 | $63,770,912 | |
| 4 | SBAC |
Sba Communications Corp
|
209,290 | $36,020,901 | |
| 5 | WY |
Weyerhaeuser Co
|
1,472,474 | $35,972,539 | |
| 6 | IRM |
Iron Mountain Inc
This page
|
214,886 | $21,948,456 | |
| 7 | CCI |
Crown Castle Inc.
|
226,237 | $18,395,330 | |
| 8 | GLPI |
Gaming & Leisure Properties, Inc.
|
100,000 | $4,437,000 |
All Filings in IRM
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $21,948,456 | 214,886 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $969,270 | 11,685 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $1,191,882 | 11,692 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $1,207,146 | 11,769 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $5,678,812 | 66,002 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $6,569,375 | 62,500 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $7,426,875 | 62,500 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $5,601,250 | 62,500 | Shares | Sole | 2024-09-20 | |
| 2024-03-31 | $5,133,440 | 64,000 | Shares | Sole | 2024-05-13 | |
| 2023-09-30 | $178,350 | 3,000 | Shares | Sole | 2023-11-13 | |
| 2021-09-30 | $4,345,000 | 100,000 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $4,232,000 | 100,000 | Shares | Sole | 2021-08-12 | |
| No filing history on record for this holder in this stock. | ||||||