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RMR Advisors LLC
> AMT
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2020 | AMERICAN TOWER CORP /MA/ | AMT | 0 | -27,791 | 0 | -6,718,000 | |
| 09/30/2020 | AMERICAN TOWER CORP /MA/ | AMT | 27,791 | 2,000 | 6,718,000 | 50,000 | $241.73 |
| 06/30/2020 | AMERICAN TOWER CORP /MA/ | AMT | 25,791 | 0 | 6,668,000 | 1,052,000 | $258.54 |
| 03/31/2020 | AMERICAN TOWER CORP /MA/ | AMT | 25,791 | 10,000 | 5,616,000 | 1,987,000 | $217.75 |
| 12/31/2019 | AMERICAN TOWER CORP /MA/ | AMT | 15,791 | 2,000 | 3,629,000 | 579,000 | $229.81 |
| 09/30/2019 | AMERICAN TOWER CORP /MA/ | AMT | 13,791 | 7,591 | 3,050,000 | 1,782,000 | $221.16 |
| 06/30/2019 | AMERICAN TOWER CORP /MA/ | AMT | 6,200 | 3,000 | 1,268,000 | 637,000 | $204.52 |
| 03/31/2019 | AMERICAN TOWER CORP /MA/ | AMT | 3,200 | 0 | 631,000 | 125,000 | $197.19 |
| 12/31/2018 | AMERICAN TOWER CORP /MA/ | AMT | 3,200 | 0 | 506,000 | 41,000 | $158.13 |
| 09/30/2018 | AMERICAN TOWER CORP /MA/ | AMT | 3,200 | 2,000 | 465,000 | 292,000 | $145.31 |
| 06/30/2018 | AMERICAN TOWER CORP /MA/ | AMT | 1,200 | 1,200 | 173,000 | 173,000 | $144.17 |
| 03/31/2018 | AMERICAN TOWER CORP /MA/ | AMT | 0 | -5,000 | 0 | -713,000 | |
| 12/31/2017 | AMERICAN TOWER CORP /MA/ | AMT | 5,000 | 5,000 | 713,000 | 713,000 | $142.60 |
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