Position in IRM
as of Jun 30, 2026
· filed Jul 21, 2026
Position Value
$746,744
+$142,893 QoQ
Shares Held
5,912
0.0% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
#575
of 1,152 holders
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in IRM Over Time
Shares Held
Position Value (USD)
Position in REIT - Specialty
Real Estate · as of Jun 30, 2026Columbia Asset Management holds $2,062,991 across 2 REIT - Specialty names. IRM ranks #2 (36.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMT |
American Tower Corp /Ma/
|
8,047 | $1,316,247 | |
| 2 | IRM |
Iron Mountain Inc
This page
|
5,912 | $746,744 |
All Filings in IRM
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22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $746,744 | 5,912 | Shares | Sole | 2026-07-21 | |
| 2026-03-31 | $603,851 | 5,912 | Shares | Sole | 2026-04-21 | |
| 2025-12-31 | $530,216 | 6,392 | Shares | Sole | 2026-01-28 | |
| 2025-09-30 | $651,600 | 6,392 | Shares | Sole | 2025-11-04 | |
| 2025-06-30 | $655,627 | 6,392 | Shares | Sole | 2025-07-18 | |
| 2025-03-31 | $549,967 | 6,392 | Shares | Sole | 2025-04-10 | |
| 2024-12-31 | $955,134 | 9,087 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $1,158,236 | 9,747 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $877,110 | 9,787 | Shares | Sole | 2024-08-05 | |
| 2024-03-31 | $879 | 12,564 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $879,228 | 12,564 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $798,532 | 13,432 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $776,502 | 13,666 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $754,443 | 14,259 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $775,267 | 15,552 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $948,125 | 21,563 | Shares | Sole | 2022-11-03 | |
| 2022-06-30 | $1,199,283 | 24,631 | Shares | Sole | 2022-08-26 | |
| 2021-03-31 | $1,613,413 | 43,594 | Shares | Sole | 2021-05-28 | |
| 2020-12-31 | $1,212,895 | 41,143 | Shares | Sole | 2021-02-11 | |
| 2020-09-30 | $972,610 | 36,305 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $671,422 | 25,725 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $236,215 | 9,925 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||