AMT
AMERICAN TOWER CORPData as of 2026 Q1 (03-31) · 13F snapshot
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Andreas Halvorsen | $618.22M | 1.8% | Big add |
| Steven Cohen | $208.01M | 0.4% | Add |
| Philippe Laffont | $144.52M | 1.2% | Hold |
| Chase Coleman | $80.05M | 0.7% | Hold |
| Ken GriffinCALL | $77.52M | — | — |
| Ken GriffinPUT | $48.94M | — | — |
| Steven CohenCALL | $12.51M | — | — |
| Steven CohenPUT | $7.96M | — | — |
| Izzy EnglanderPUT | $7.27M | — | — |
| Izzy EnglanderCALL | $5.92M | — | — |
Insider Trading
Officers · directors · Form 4Robert Joseph Meyer
SVP & Advisor to the CFO
Sell$28.7K153 @ $187.53Traded 2026-06-01Filed 2026-06-03Pamela D A Reeve
Director
Sell810 @ $0.00Traded 2026-05-28Filed 2026-06-01Robert D Hormats
Other
Other—Traded 2026-05-20Filed 2026-05-20Ruth T Dowling
EVP, Chief Admin Ofr, GC & Sec
Sell$99.2K556 @ $178.48Traded 2026-04-28Filed 2026-04-30Ruth T Dowling
EVP, Chief Admin Ofr, GC & Sec
Sell$73.9K416 @ $177.54Traded 2026-04-28Filed 2026-04-30Rodney M Smith
EVP, CFO & Treasurer
Sell$236.8K1,295 @ $182.85Traded 2026-03-10Filed 2026-03-12Rodney M Smith
EVP, CFO & Treasurer
Buy10,531 @ $0.00Traded 2026-03-10Filed 2026-03-12Richard C Rossi
EVP & President, U.S. Tower
Sell$287.4K1,544 @ $186.12Traded 2026-03-10Filed 2026-03-12Juan Font
SVP, Pres. & CEO, CoreSite
Sell$169.7K928 @ $182.85Traded 2026-03-10Filed 2026-03-12Ruth T Dowling
EVP, Chief Admin Ofr, GC & Sec
Sell$157.8K863 @ $182.85Traded 2026-03-10Filed 2026-03-12Steven O Vondran
President and CEO
Buy20,955 @ $0.00Traded 2026-03-10Filed 2026-03-12Rodney M Smith
EVP, CFO & Treasurer
Sell$2.31M12,433 @ $186.12Traded 2026-03-10Filed 2026-03-12Juan Font
SVP, Pres. & CEO, CoreSite
Sell$341.3K1,834 @ $186.12Traded 2026-03-10Filed 2026-03-12Robert Joseph Meyer
SVP & Chief Accounting Officer
Buy4,030 @ $0.00Traded 2026-03-10Filed 2026-03-12Ruth T Dowling
EVP, Chief Admin Ofr, GC & Sec
Buy6,878 @ $0.00Traded 2026-03-10Filed 2026-03-12Robert Joseph Meyer
SVP & Chief Accounting Officer
Sell$125.1K684 @ $182.85Traded 2026-03-10Filed 2026-03-12Robert Joseph Meyer
SVP & Chief Accounting Officer
Sell$254.6K1,368 @ $186.12Traded 2026-03-10Filed 2026-03-12Ruth T Dowling
EVP, Chief Admin Ofr, GC & Sec
Sell$1.23M6,629 @ $186.12Traded 2026-03-10Filed 2026-03-12Juan Font
SVP, Pres. & CEO, CoreSite
Buy8,060 @ $0.00Traded 2026-03-10Filed 2026-03-12Eugene M Noel
EVP & Chief Operating Officer
Buy8,167 @ $0.00Traded 2026-03-10Filed 2026-03-12Eugene M Noel
EVP & Chief Operating Officer
Sell$464.9K2,498 @ $186.12Traded 2026-03-10Filed 2026-03-12Eugene M Noel
EVP & Chief Operating Officer
Sell$131.5K719 @ $182.85Traded 2026-03-10Filed 2026-03-12Richard C Rossi
EVP & President, U.S. Tower
Sell$125.1K684 @ $182.85Traded 2026-03-10Filed 2026-03-12Richard C Rossi
EVP & President, U.S. Tower
Buy6,448 @ $0.00Traded 2026-03-10Filed 2026-03-12
Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.