Vanguard Personalized Indexing Management, LLC
Position in IRM — Iron Mountain Inc
CIK 1767306
OAKLAND, CA
Position in IRM
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$6,275,586
+$1,220,678 QoQ
Shares Held
49,684
+0.4% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#257
of 1,152 holders
Holding Since
Jun 2021
21 quarters on record
Voting authority
Sole 81%
Shared 0%
None 19%
Common Shares in IRM Over Time
Shares Held
Position Value (USD)
Position in REIT - Specialty
Real Estate · as of Jun 30, 2026Vanguard Personalized Indexing Management, LLC holds $48,333,928 across 13 REIT - Specialty names. IRM ranks #4 (13.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | EQIX |
Equinix Inc
|
15,426 | $16,079,908 | |
| 2 | AMT |
American Tower Corp /Ma/
|
51,117 | $8,361,207 | |
| 3 | DLR |
Digital Realty Trust, Inc.
|
41,251 | $7,407,854 | |
| 4 | IRM |
Iron Mountain Inc
This page
|
49,684 | $6,275,586 | |
| 5 | CCI |
Crown Castle Inc.
|
32,401 | $2,453,727 | |
| 6 | LAMR |
Lamar Advertising Co/New
|
11,058 | $1,724,826 | |
| 7 | WY |
Weyerhaeuser Co
|
60,667 | $1,452,367 | |
| 8 | SBAC |
Sba Communications Corp
|
7,713 | $1,361,035 |
All Filings in IRM
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $6,275,586 | 49,684 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $5,054,908 | 49,490 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $3,661,578 | 44,142 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $3,979,737 | 39,040 | Shares | Sole | 2025-10-31 | |
| 2025-06-30 | $3,896,224 | 37,986 | Shares | Sole | 2025-07-25 | |
| 2025-03-31 | $2,163,389 | 25,144 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $2,507,504 | 23,856 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $2,722,632 | 22,912 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,702,600 | 18,998 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $1,331,887 | 16,605 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $886,576 | 12,669 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $853,166 | 14,351 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $813,889 | 14,324 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $726,560 | 13,732 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $1,169,780 | 23,466 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $1,053,125 | 23,951 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,186,477 | 24,368 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $1,414,118 | 25,521 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $907,454 | 17,341 | Shares | Sole | 2022-02-23 | |
| 2021-09-30 | $636,368 | 14,646 | Shares | Sole | 2021-11-09 | |
| 2021-06-30 | $662,646 | 15,658 | Shares | Sole | 2021-08-11 | |
| No filing history on record for this holder in this stock. | ||||||