Position in AMT
as of Jun 30, 2026
· filed Jul 21, 2026
Position Value
$1,316,247
-$18,141 QoQ
Shares Held
8,047
+4.1% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.25%
of 13F equity value
Holder Rank
#782
of 1,735 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in AMT 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. AMT ranks #1 (63.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMT |
American Tower Corp /Ma/
This page
|
8,047 | $1,316,247 | |
| 2 | IRM |
Iron Mountain Inc
|
5,912 | $746,744 |
All Filings in AMT
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24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,316,247 | 8,047 | Shares | Sole | 2026-07-21 | |
| 2026-03-31 | $1,334,388 | 7,732 | Shares | Sole | 2026-04-21 | |
| 2025-12-31 | $1,302,202 | 7,417 | Shares | Sole | 2026-01-28 | |
| 2025-09-30 | $1,402,205 | 7,291 | Shares | Sole | 2025-11-04 | |
| 2025-06-30 | $1,579,408 | 7,146 | Shares | Sole | 2025-07-18 | |
| 2025-03-31 | $1,519,065 | 6,981 | Shares | Sole | 2025-04-10 | |
| 2024-12-31 | $1,287,721 | 7,021 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $1,640,710 | 7,055 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,266,385 | 6,515 | Shares | Sole | 2024-08-05 | |
| 2024-03-31 | $983,010 | 4,975 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $1,074,003 | 4,975 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $796,924 | 4,846 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $815,711 | 4,206 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $594,425 | 2,909 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $506,133 | 2,389 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $520,432 | 2,424 | Shares | Sole | 2022-11-03 | |
| 2022-06-30 | $619,550 | 2,424 | Shares | Sole | 2022-08-26 | |
| 2021-09-30 | $631,410 | 2,379 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $481,929 | 1,784 | Shares | Sole | 2021-08-02 | |
| 2021-03-31 | $426,483 | 1,784 | Shares | Sole | 2021-05-28 | |
| 2020-12-31 | $338,036 | 1,506 | Shares | Sole | 2021-02-11 | |
| 2020-09-30 | $359,210 | 1,486 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $384,190 | 1,486 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $323,576 | 1,486 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||