American Tower Corporation
AMTLast close · Oct 16, 2026185.27+3.91 (+2.16%)
Market cap$86.3B
Of the 85 managers this site tracks, 4 held American Tower (AMT) at the end of Q2 2026, their latest 13Fs. The largest position by value was Christopher Davis's, $10.3M; Bridgewater's ($5.9M) and Akre's ($4.8M) follow. No Schedule 13D or 13G is on file for AMT from the activists and large holders the site follows.
Superinvestors holding AMT
| Manager | Firm | Quarter | Shares | Value |
|---|---|---|---|---|
| Christopher Davis | Davis Selected Advisers | Q2 2026 | 63,250 | $10.3M |
| Bridgewater | Bridgewater Associates, LP | Q2 2026 | 35,924 | $5.9M |
| Akre | Akre Capital Management LLC | Q2 2026 | 29,254 | $4.8M |
| Mairs & Power | Mairs & Power Inc | Q2 2026 | 2,020 | $330,411 |
13D/13G are SEC beneficial-ownership disclosures, triggered only above 5%; a 13F is a quarterly snapshot filed up to 45 days after quarter end. Superinvestor names link to their full portfolios under Investors.