American Tower Corp
AMT- Exchange
- NYSE
- Industry
- Real Estate Investment Trusts
- SEC CIK
- 0001053507
In the last 90 days, American Tower Corp insiders filed 1 open-market purchase and 2 sales; 1,757 institutions reported holding it in 13F filings for Q2 2026, worth $72.0B in total; Akre Capital Management is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in American Tower Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 1,760
- +9 vs. Q4 2025
- Shares held
- 431.5M
- +28.6M (+7.1%) vs. Q4 2025
- Total value
- $74.4B
- +$10.2B (+15.9%) vs. Q4 2025
- New holders
- 155
- 725 more added
- Sold out
- 146
- 651 more reduced
30 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,757 | $72.0B |
| Q1 2026 | 1,760 | $74.4B |
| Q4 2025 | 1,781 | $77.0B |
| Q3 2025 | 1,799 | $82.5B |
| Q2 2025 | 1,852 | $96.5B |
| Q1 2025 | 1,845 | $95.0B |
| Q4 2024 | 1,798 | $79.6B |
| Q3 2024 | 1,852 | $99.4B |
| Q2 2024 | 1,769 | $83.8B |
| Q1 2024 | 1,769 | $85.0B |
| Q4 2023 | 1,802 | $93.6B |
| Q3 2023 | 1,634 | $69.9B |
| Q2 2023 | 1,688 | $82.1B |
| Q1 2023 | 1,706 | $86.3B |
| Q4 2022 | 1,711 | $90.0B |
| Q3 2022 | 1,693 | $91.0B |
| Q2 2022 | 1,747 | $109.0B |
| Q1 2022 | 1,723 | $104.3B |
| Q4 2021 | 1,799 | $121.8B |
| Q3 2021 | 1,678 | $109.6B |
| Q2 2021 | 1,656 | $111.7B |
| Q1 2021 | 1,613 | $95.8B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mayflower Financial Advisors, LLC | 5,680 | $980.2K | 0.12% | −752−11.7% | Reduced |
| Dudley Capital Management, LLC | 5,695 | $982.9K | 0.43% | −3,110−35.3% | Reduced |
| Garrison Point Advisors, LLC | 5,761 | $994.2K | 0.45% | −104−1.8% | Reduced |
| Brown Miller Wealth Management, LLC | 5,767 | $995.2K | 0.28% | +453+8.5% | Added |
| Sivia Capital Partners, LLC | 5,774 | $996.5K | 0.19% | +649+12.7% | Added |
| Herold Advisors, Inc. | 5,785 | $998.4K | 0.22% | +75+1.3% | Added |
| Stoneridge Investment Partners LLC | 5,803 | $1.00M | 0.72% | +3,837+195.2% | Added |
| Summit Financial, LLC | 5,812 | $1.00M | 0.01% | +29+0.5% | Added |
| GW&K Investment Management, LLC | 5,829 | $1.01M | 0.01% | −148,082−96.2% | Reduced |
| TigerOak Management, L.L.C. | 5,839 | $1.01M | 0.32% | −213−3.5% | Reduced |
| Cim Investment Mangement Inc | 5,844 | $1.01M | 0.27% | −27−0.5% | Reduced |
| Applied Capital LLC | 5,851 | $1.01M | 0.73% | +345+6.3% | Added |
| Wealth Enhancement Trust Services, Inc. | 5,879 | $1.01M | 0.12% | +1,377+30.6% | Added |
| Norden Group LLC | 5,951 | $1.03M | 0.10% | −747−11.2% | Reduced |
| Prestige Wealth Management Group LLC | 5,967 | $1.03M | 0.20% | +5,862+5,582.9% | Added |
| BIP Wealth, LLC | 5,993 | $1.03M | 0.04% | −354−5.6% | Reduced |
| Ar Asset Management Inc | 6,000 | $1.03M | 0.20% | +6,000 | New |
| Barbara Oil Co. | 6,000 | $1.04M | 0.40% | 00.0% | Unchanged |
| Postrock Partners LLC | 6,015 | $1.04M | 0.48% | 00.0% | Unchanged |
| Burney Co | 6,037 | $1.04M | 0.03% | −5,163−46.1% | Reduced |
| Knollwood Investment Advisory, LLC | 6,049 | $1.04M | 0.11% | 00.0% | Unchanged |
| Old National Bancorp | 6,056 | $1.05M | 0.02% | +12+0.2% | Added |
| Colton Groome Financial Advisors, LLC | 6,062 | $1.05M | 0.30% | +807+15.4% | Added |
| Ameritas Investment Partners, Inc. | 6,080 | $1.05M | 0.03% | −130−2.1% | Reduced |
| Joel Isaacson & Co., LLC | 6,159 | $1.06M | 0.04% | +18+0.3% | Added |
| Belpointe Asset Management LLC | 6,162 | $1.06M | 0.04% | −2,113−25.5% | Reduced |
| Tacita Capital Inc | 6,165 | $1.06M | 0.63% | +2,241+57.1% | Added |
| PeakShares LLC | 6,179 | $1.07M | 0.98% | +467+8.2% | Added |
| Somerset Trust Co | 6,195 | $1.07M | 0.33% | +268+4.5% | Added |
| LifePlan Financial, LLC | 6,196 | $1.07M | 0.79% | +781+14.4% | Added |
| Choate Investment Advisors | 6,250 | $1.08M | 0.02% | −416−6.2% | Reduced |
| Pensionmark Financial Group, LLC | 6,277 | $1.08M | 0.02% | +1,950+45.1% | Added |
| Bailard, Inc. | 6,285 | $1.08M | 0.02% | −46−0.7% | Reduced |
| Applied Finance Capital Management, LLC | 6,325 | $1.09M | 0.08% | +187+3.0% | Added |
| Harvest Portfolios Group Inc. | 6,365 | $1.10M | 0.02% | −3,514−35.6% | Reduced |
| Professional Financial Advisors, LLC | 6,379 | $1.10M | 0.22% | +6,379 | New |
| Perigon Wealth Management, LLC | 6,383 | $1.10M | 0.02% | −666−9.4% | Reduced |
| American National Bank | 6,417 | $1.11M | 0.11% | +203+3.3% | Added |
| Acorn Financial Advisory Services Inc | 6,425 | $1.11M | 0.15% | −37−0.6% | Reduced |
| GLOBALT Investments LLC | 6,443 | $1.11M | 0.04% | +33+0.5% | Added |
| Harmony Asset Management LLC | 6,462 | $1.12M | 0.34% | −215−3.2% | Reduced |
| Meeder Advisory Services, Inc. | 6,470 | $1.12M | 0.05% | +776+13.6% | Added |
| Argent Advisors, Inc. | 6,485 | $1.12M | 0.31% | −140−2.1% | Reduced |
| Bradley Foster & Sargent Inc | 6,594 | $1.14M | 0.02% | −802−10.8% | Reduced |
| Cross Staff Investments Inc | 6,602 | $1.14M | 0.75% | +12+0.2% | Added |
| Cordatus Wealth Management LLC | 6,608 | $1.14M | 0.27% | +122+1.9% | Added |
| Outfitter Financial LLC | 6,645 | $1.15M | 0.89% | +1,170+21.4% | Added |
| Smartleaf Asset Management LLC | 6,733 | $1.15M | 0.04% | +1,129+20.1% | Added |
| Westhampton Capital, LLC | 6,735 | $1.16M | 0.54% | −148−2.2% | Reduced |
| Marion Wealth Management | 6,745 | $1.16M | 0.26% | +504+8.1% | Added |
| Mirabaud Asset Management Ltd | 6,833 | $1.16M | 0.96% | −1,219−15.1% | Reduced |
| Baker Tilly Wealth Management, LLC | 6,774 | $1.17M | 0.28% | +1,549+29.6% | Added |
| Revisor Wealth Management LLC | 6,791 | $1.17M | 0.32% | +227+3.5% | Added |
| Resolution Capital Ltd | 6,791 | $1.17M | 0.02% | −15,998−70.2% | Reduced |
| Sage Capital Management, LLC | 6,821 | $1.18M | 0.55% | −266−3.8% | Reduced |
| United Bank | 6,838 | $1.18M | 0.39% | +562+9.0% | Added |
| Intrust Bank NA | 6,870 | $1.19M | 0.10% | +2,335+51.5% | Added |
| AMF Pensionsforsakring AB | 6,880 | $1.19M | 0.01% | 00.0% | Unchanged |
| Brighton Jones LLC | 6,898 | $1.19M | 0.03% | +6,898 | New |
| Triangle Securities Wealth Management | 6,923 | $1.19M | 0.27% | −66−0.9% | Reduced |
| Crews Bank & Trust | 6,945 | $1.20M | 0.17% | −100−1.4% | Reduced |
| Dorsey & Whitney Trust CO LLC | 6,945 | $1.20M | 0.07% | +225+3.3% | Added |
| Signaturefd, LLC | 7,041 | $1.22M | 0.02% | −587−7.7% | Reduced |
| Shelton Capital Management | 7,079 | $1.22M | 0.03% | +951+15.5% | Added |
| Lineweaver Wealth Advisors, LLC | 7,094 | $1.22M | 0.17% | +1,498+26.8% | Added |
| Apollon Wealth Management, LLC | 7,129 | $1.23M | 0.02% | +127+1.8% | Added |
| Financial Engines Advisors L.L.C. | 7,135 | $1.23M | 0.00% | −12−0.2% | Reduced |
| QRG Capital Management, Inc. | 7,199 | $1.24M | 0.01% | −15,174−67.8% | Reduced |
| Augustine Asset Management Inc | 7,209 | $1.24M | 0.28% | −42−0.6% | Reduced |
| Umb Bank N A | 7,212 | $1.24M | 0.02% | −23−0.3% | Reduced |
| Western Wealth Management, LLC | 7,342 | $1.27M | 0.05% | +3,152+75.2% | Added |
| Fiduciary Family Office, LLC | 7,364 | $1.27M | 0.36% | +2,154+41.3% | Added |
| Howard Capital Management Inc. | 7,454 | $1.29M | 0.02% | −1,827−19.7% | Reduced |
| Flagship Harbor Advisors, LLC | 7,466 | $1.29M | 0.06% | −576−7.2% | Reduced |
| Resources Investment Advisors, LLC. | 7,502 | $1.29M | 0.01% | −436−5.5% | Reduced |
| PFG Investments, LLC | 7,528 | $1.30M | 0.06% | +48+0.6% | Added |
| Ascent Group, LLC | 7,541 | $1.30M | 0.05% | −327−4.2% | Reduced |
| Arbor Capital Management Inc | 7,524 | $1.31M | 1.07% | −164−2.1% | Reduced |
| Midwest Professional Planners, LTD. | 7,595 | $1.31M | 0.31% | −200−2.6% | Reduced |
| Hanson & Doremus Investment Management | 7,614 | $1.31M | 0.15% | +7,614 | New |
| Ritholtz Wealth Management | 7,622 | $1.32M | 0.02% | +1,675+28.2% | Added |
| Moneta Group Investment Advisors LLC | 7,639 | $1.32M | 0.01% | +35+0.5% | Added |
| VCI Wealth Management LLC | 7,647 | $1.32M | 0.37% | +7,647 | New |
| Ninepoint Partners LP | 7,732 | $1.33M | 0.16% | −2,563−24.9% | Reduced |
| Columbia Asset Management | 7,732 | $1.33M | 0.25% | +315+4.2% | Added |
| Welch & Forbes LLC | 7,775 | $1.34M | 0.02% | −101−1.3% | Reduced |
| Legacy Wealth Asset Management, LLC | 7,790 | $1.34M | 0.33% | +617+8.6% | Added |
| BTC Capital Management, Inc. | 7,796 | $1.35M | 0.09% | +962+14.1% | Added |
| Altman Advisors, Inc. | 7,817 | $1.35M | 0.56% | +653+9.1% | Added |
| AlphaGrep UK Ltd | 7,876 | $1.36M | 0.40% | −604−7.1% | Reduced |
| Salvus Wealth Management, LLC | 7,887 | $1.36M | 0.79% | +1,713+27.7% | Added |
| Tema ETFs LLC | 7,912 | $1.37M | 0.09% | +35+0.4% | Added |
| LMCG Investments, LLC | 7,950 | $1.37M | 0.08% | +6,060+320.6% | Added |
| Groupe la Francaise | 7,997 | $1.38M | 0.02% | −744−8.5% | Reduced |
| J.W. Cole Advisors, Inc. | 7,998 | $1.38M | 0.05% | +269+3.5% | Added |
| Skopos Labs, Inc. | 8,044 | $1.39M | 0.04% | +1,155+16.8% | Added |
| Rossmore Private Capital | 8,109 | $1.40M | 0.12% | −130−1.6% | Reduced |
| Argent Trust Co | 8,266 | $1.43M | 0.05% | +609+8.0% | Added |
| Concurrent Investment Advisors, LLC | 8,275 | $1.43M | 0.02% | +2,624+46.4% | Added |
| Brookstone Capital Management | 8,337 | $1.44M | 0.02% | +413+5.2% | Added |