AMT
AMERICAN TOWER CORP /MA/
NYSE · Real Estate · REIT - Specialty · US
$194.86
+4.04%16
Insider buys (3m)
3
Insider sells (3m)
$161.5K
Net value (3m)
+16.0%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Nov 3, 2026 | Font Juan · officer: SVP, Pres. & CEO, CoreSite | Sale | 592 | $190 |
| Oct 30, 2026 | Dowling Ruth T · officer: EVP, Chief Admin Ofr, GC & Sec | Sale | 952 | $186 |
| Oct 30, 2026 | Dowling Ruth T · officer: EVP, Chief Admin Ofr, GC & Sec | Sale | 626 | $182 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 8 | $172 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 19 | $173 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 14 | $227 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 25 | $209 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 29 | $189 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 7 | $206 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 24 | $223 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 7 | $194 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 43 | $183 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 8 | $200 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 46 | $168 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 31 | $178 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 18 | $187 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 44 | $177 |
| Oct 22, 2026 | Clarke Teresa Hillary · director | Purchase | 16 | $204 |
| Oct 5, 2026 | Blanchett Paul · officer: SVP & Chief Accounting Officer | A-Award | 16,299 | $0.00 |
| Aug 25, 2026 | Kalathur Rajesh · director | Purchase | 2,829 | $177 |
| Jul 31, 2026 | Meyer Robert Joseph · officer: SVP & Advisor to the CFO | Sale | 5,000 | $179 |
| Jul 30, 2026 | Dowling Ruth T · officer: EVP, Chief Admin Ofr, GC & Sec | Sale | 685 | $170 |
| Jul 30, 2026 | Dowling Ruth T · officer: EVP, Chief Admin Ofr, GC & Sec | Sale | 1,106 | $175 |
| Apr 30, 2026 | Dowling Ruth T · officer: EVP, Chief Admin Ofr, GC & Sec | Sale | 416 | $178 |
| Apr 30, 2026 | Dowling Ruth T · officer: EVP, Chief Admin Ofr, GC & Sec | Sale | 556 | $178 |
| Mar 12, 2026 | Font Juan · officer: SVP, Pres. & CEO, CoreSite | F-InKind | 1,834 | $186 |
| Mar 12, 2026 | HORMATS ROBERT D · director | A-Award | 1,209 | $0.00 |
| Mar 12, 2026 | Rossi Richard C · officer: EVP & President, U.S. Tower | F-InKind | 684 | $183 |
| Mar 12, 2026 | Font Juan · officer: SVP, Pres. & CEO, CoreSite | F-InKind | 928 | $183 |
| Mar 12, 2026 | Vondran Steven O · director, officer: President and CEO | F-InKind | 2,158 | $183 |
Institutional positioning
13F filings over the trailing two quarters
New 356Increased 1351Reduced 1372Sold out 158
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 45,796,561 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 44,954,137 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 30,437,771 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 30,362,380 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 27,851,812 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 27,596,159 | May 8, 2026 |
| STATE STREET CORP | Increased | 22,066,202 | Sep 22, 2026 |
| STATE STREET CORP | Increased | 21,434,609 | May 15, 2026 |
| JPMORGAN CHASE & CO | Increased | 15,128,367 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 13,933,628 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 13,838,970 | Aug 12, 2026 |
| COHEN & STEERS, INC. | Increased | 13,777,789 | Aug 14, 2026 |
| COHEN & STEERS, INC. | Increased | 12,619,866 | May 15, 2026 |
| FMR LLC | Increased | 11,376,427 | Aug 13, 2026 |
| FMR LLC | Reduced | 11,317,048 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Nov 3, 2026