American Tower (AMT) Held by Superinvestors
AMERICAN TOWER CORP (AMT) is currently held by 4 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $7.69M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Akre Capital Management is currently the largest disclosed institutional shareholder of AMT tracked by InsiderSet, reporting ownership valued at approximately $4.79M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $4.88M, representing an estimated gain of +1.93% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed AMT value among the investors covered in this analysis. Major shareholders include Akre Capital Management, Sequoia Financial Advisors, Alapocas Investment Partners, and several other long-term asset managers with concentrated positions in AMERICAN TOWER CORP (AMT).
This page ranks the largest institutional AMT shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Akre Capital Management | Chuck Akre | 0.09% | 29,254 | $4,785,077 | $4,877,519 | +$92,442 | +1.93% |
| Sequoia Financial Advisors | 0.01% | 12,326 | $2,016,168 | $2,055,114 | +$38,946 | +1.93% | |
| Alapocas Investment Partners | David Lemons | 0.54% | 3,400 | $556,138 | $566,882 | +$10,744 | +1.93% |
| Mairs & Power Growth Fund | Andrew R. Adams | 0.00% | 2,020 | $330,411 | $336,795 | +$6,384 | +1.93% |
Frequently asked questions about AMT
Who are the largest superinvestors holding AMT?
The largest superinvestors holding AMT in the latest SEC Form 13F filings include Akre Capital Management, Sequoia Financial Advisors, Alapocas Investment Partners, and Mairs & Power Growth Fund. InsiderSet ranks these superinvestors by their latest reported AMT position.
What does the AMT superinvestors page include?
This page tracks AMT positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. AMERICAN TOWER CORP (AMT) on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.
How many superinvestors hold AMT?
InsiderSet currently tracks 4 superinvestors reporting AMT holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own AMT.
How much AMT stock do superinvestors hold?
Superinvestors tracked by InsiderSet disclosed approximately $7.69M in AMT holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value, and it covers the curated superinvestors on this page rather than every institutional filer.
When were AMT superinvestor holdings last updated?
The latest AMT superinvestor holdings on InsiderSet are based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time holdings.
Are superinvestor AMT holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by these superinvestors as of the end of the reporting quarter. A superinvestor may have changed its AMT position after the reporting date.
Are superinvestors buying or selling AMT?
Buying and selling can be analyzed by comparing AMT positions across consecutive 13F reporting periods. InsiderSet's AMT Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View AMT ownership changes.
How have superinvestor AMT holdings changed over time?
InsiderSet tracks AMT holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.