AMT — AMERICAN TOWER CORP /MA/
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on AMT
| date | signal | measured base rate |
|---|---|---|
| 2026-08-10 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
| 2026-07-21 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-13 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-06-25 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-05-19 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-04-22 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-07-29 | Meyer Robert Joseph SVP & Advisor to the CFO | Open-market sale | 5.0K | 178.89 | 894.5K |
| 2026-07-29 | Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec | Open-market sale 10b5-1 plan | 1.1K | 174.96 | 193.5K |
| 2026-07-28 | Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec | Open-market sale 10b5-1 plan | 685 | 169.54 | 116.1K |
| 2026-06-01 | Meyer Robert Joseph SVP & Advisor to the CFO | Shares withheld for tax | 153 | 187.53 | 28.7K |
| 2026-05-28 | REEVE PAMELA D A Director | Gift | 810 | 0.00 | 0 |
| 2026-04-29 | Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec | Open-market sale 10b5-1 plan | 416 | 177.54 | 73.9K |
| 2026-04-28 | Dowling Ruth T EVP, Chief Admin Ofr, GC & Sec | Open-market sale 10b5-1 plan | 556 | 178.48 | 99.2K |
| 2026-03-11 | Vondran Steven O President and CEO | Shares withheld for tax | 2.2K | 182.85 | 394.6K |
| 2026-03-11 | Smith Rodney M EVP, CFO & Treasurer | Shares withheld for tax | 1.3K | 182.85 | 236.8K |
| 2026-03-11 | Font Juan SVP, Pres. & CEO, CoreSite | Shares withheld for tax | 928 | 182.85 | 169.7K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 7.8B | 45.0M |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2B | 30.4M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.8B | 27.6M |
| STATE STREET CORP | 3.7B | 21.4M |
| JPMORGAN CHASE & CO | 2.6B | 15.1M |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4B | 13.9M |
| FMR LLC | 2.0B | 11.3M |
| MORGAN STANLEY | 1.7B | 9.6M |
| DEUTSCHE BANK AG\ | 1.3B | 7.8M |
| LAZARD ASSET MANAGEMENT LLC | 1.3B | 7.3M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 4 | 2026-07-31 | 2026-07-29 | on EDGAR ↗ |
| 4 | 2026-07-30 | 2026-07-28 | on EDGAR ↗ |
| 144 | 2026-07-29 | — | on EDGAR ↗ |
| 144 | 2026-07-28 | — | on EDGAR ↗ |
| 10-Q | 2026-07-28 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-07-28 | 2026-07-28 | on EDGAR ↗ |
| CERT | 2026-06-08 | — | on EDGAR ↗ |
| 8-K | 2026-06-04 | 2026-06-02 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Resilient American Tower stock gains on Barclays upgrade and solid 2026 outlook - Ad-hoc-news.de · 2026-08-22 · Ad-hoc-news.de
- Barclays upgrades American Tower and Crown Castle on valuation, growth catalysts · 2026-08-20
- American Tower SVP Sells 5,000 Shares for $894,450 · 2026-08-11
- Trump Says AI Could Be Bigger Than Oil. These ETFs Are Betting on the Fuel Behind the Boom · 2026-08-07 · benzinga
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