# American Tower (AMT): value investors who own it | moatshark

4 value investors held American Tower in their Q3 2026 13F, led by Akre Capital Management, Davis Selected Advisers, Horizon Kinetics, Mairs & Power.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Akre Capital Management | 0.1% | $4.8m | Trimmed -42% | 53 |
| Davis Selected Advisers | 0.0% | $10.3m | Trimmed -2.1% | 21 |
| Cantillon Capital Management | 0.0% | $0k | Sold out | 41 |
| Horizon Kinetics | 0.0% | $229k | Unchanged | 30 |
| Mairs & Power | 0.0% | $330k | Unchanged | 34 |

## Directors buying and selling (Form 4, last 12 months)

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-08-21 | Kalathur Rajesh | Director | Bought | 2829 | $501k |
| 2026-07-29 | Meyer Robert Joseph | SVP & Advisor to the CFO | Sold | 5000 | $894k |
| 2026-07-29 | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | Sold | 1106 | $194k |
| 2026-07-28 | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | Sold | 685 | $116k |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/amt). Values traded and returns are estimates. Not investment advice. Built 2026-10-21.