Andreas Halvorsen's AMT Position Overview
Andreas Halvorsen (via Viking Global Investors Lp) currently holds 2.8M shares of American Tower Corporation (AMT) worth $0, representing 0.00% of the portfolio. First purchased in 2024-Q4, this short-term holding has been held for 4 quarters.
Based on 13F filings, Andreas Halvorsen has maintained this position in AMT for several quarters, showing initial confidence in the investment. Largest addition occurred in Q2 2025, adding 2.0M shares. Largest reduction occurred in Q1 2025, reducing 58.5K shares.
Analysis based on 13F filings available since 2013 Q2
Andreas Halvorsen's American Tower Corporation (AMT) Holding Value Over Time
Track share changes against reported price movement
Quarterly American Tower Corporation (AMT) Trades by Andreas Halvorsen
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2024 | +897,340 | New Buy | 897,340 | $183.41 |
| Q1 2025 | -58,544 | Reduce 6.52% | 838,796 | $217.60 |
| Q2 2025 | +1.96 M | Add 233.47% | 2.8 M | $221.02 |
| Q3 2025 | -2.8 M | Sold Out | 2.8 M | $0.00 |
Andreas Halvorsen's American Tower Corporation Investment FAQs
Andreas Halvorsen first purchased American Tower Corporation (AMT) in Q4 2024, acquiring 897,340 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Andreas Halvorsen has held American Tower Corporation (AMT) for 4 quarters since Q4 2024. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Andreas Halvorsen's largest addition to American Tower Corporation (AMT) was in Q2 2025, adding 2,797,125 shares worth $618.22 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Andreas Halvorsen's firm, Viking Global Investors Lp, owns 2,797,125 shares of American Tower Corporation (AMT), valued at approximately $0. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, American Tower Corporation (AMT) represents approximately 0.00% of Andreas Halvorsen's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Andreas Halvorsen's peak holding in American Tower Corporation (AMT) was 2,797,125 shares, as reported at the end of Q2 2025. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.