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 |
|---|---|---|---|---|---|
| Assenagon Asset Management S.A. | 18,738 | $3.23M | 0.01% | −30−0.2% | Reduced |
| Longfellow Investment Management Co LLC | 18,763 | $3.24M | 0.67% | 00.0% | Unchanged |
| ProVise Management Group, LLC | 18,887 | $3.26M | 0.23% | +1,776+10.4% | Added |
| Steel Peak Wealth Management LLC | 18,992 | $3.28M | 0.10% | +18,992 | New |
| Garrett Investment Advisors LLC | 19,086 | $3.29M | 0.26% | +263+1.4% | Added |
| MUFG Securities EMEA plc | 19,203 | $3.31M | 0.05% | −300,000−94.0% | Reduced |
| Johnson Investment Counsel Inc | 19,328 | $3.34M | 0.03% | +1,227+6.8% | Added |
| Quadrant Capital Group LLC | 19,551 | $3.37M | 0.10% | +4,364+28.7% | Added |
| E. Ohman J:or Asset Management AB | 19,630 | $3.39M | 0.09% | −600−3.0% | Reduced |
| Parallel Advisors, LLC | 19,769 | $3.41M | 0.06% | −121−0.6% | Reduced |
| Westpac Banking Corp | 19,786 | $3.41M | 0.24% | +1,405+7.6% | Added |
| Appleton Partners Inc | 19,821 | $3.42M | 0.24% | −983−4.7% | Reduced |
| Jupiter Wealth Management LLC | 19,838 | $3.45M | 1.36% | 00.0% | Unchanged |
| Thompson Investment Management, Inc. | 19,997 | $3.45M | 0.45% | +3,457+20.9% | Added |
| Diversified Trust Co | 20,080 | $3.47M | 0.06% | −3,545−15.0% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 20,170 | $3.48M | 0.10% | −467−2.3% | Reduced |
| Erste Asset Management GmbH | 20,472 | $3.49M | 0.03% | −19,404−48.7% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 20,293 | $3.50M | 0.16% | +269+1.3% | Added |
| Koa Wealth Management, LLC | 20,306 | $3.50M | 2.53% | −894−4.2% | Reduced |
| Kestra Private Wealth Services, LLC | 20,431 | $3.53M | 0.04% | −14,455−41.4% | Reduced |
| Massmutual Trust Co FSB | 20,533 | $3.54M | 0.10% | +4,928+31.6% | Added |
| Vident Advisory, LLC | 20,769 | $3.58M | 0.03% | −22,436−51.9% | Reduced |
| Bill Few Associates, Inc. | 21,045 | $3.63M | 0.87% | +1,034+5.2% | Added |
| Jupiter Asset Management Ltd | 22,399 | $3.65M | 0.02% | +22,399 | New |
| Intact Investment Management Inc. | 21,200 | $3.66M | 0.10% | 00.0% | Unchanged |
| Sophron Capital Management L.P. | 21,212 | $3.66M | 1.08% | −43,093−67.0% | Reduced |
| Value Partners Investments Inc. | 21,199 | $3.66M | 0.28% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 21,368 | $3.69M | 0.11% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 21,549 | $3.72M | 0.14% | +1,358+6.7% | Added |
| Siemens Fonds Invest GmbH | 21,596 | $3.73M | 0.21% | +23+0.1% | Added |
| Benjamin Edwards Inc | 21,634 | $3.73M | 0.04% | +13,307+159.8% | Added |
| Omers Administration Corp | 21,671 | $3.74M | 0.02% | +4,929+29.4% | Added |
| Ables, Iannone, Moore & Associates, Inc. | 21,905 | $3.78M | 2.25% | +174+0.8% | Added |
| Edgewood Management LLC | 22,238 | $3.84M | 0.02% | −7,120−24.3% | Reduced |
| Wesbanco Bank Inc | 22,295 | $3.85M | 0.11% | −71−0.3% | Reduced |
| Beacon Pointe Advisors, LLC | 22,408 | $3.87M | 0.02% | +9,256+70.4% | Added |
| Kovitz Investment Group Partners, LLC | 22,735 | $3.92M | 0.09% | +18,752+470.8% | Added |
| Third View Private Wealth, LLC | 22,770 | $3.93M | 0.54% | +7,522+49.3% | Added |
| Sitrin Capital Management LLC | 22,842 | $3.94M | 1.98% | −803−3.4% | Reduced |
| Heritage Trust Co | 22,879 | $3.95M | 0.40% | −639−2.7% | Reduced |
| Perryman Financial Advisory Inc | 22,908 | $3.95M | 0.59% | −1,642−6.7% | Reduced |
| Charter Trust Co | 23,125 | $3.99M | 0.23% | +651+2.9% | Added |
| GSI Capital Advisors LLC | 23,163 | $4.00M | 2.17% | −85−0.4% | Reduced |
| We Are One Seven, LLC | 23,332 | $4.03M | 0.08% | +1,801+8.4% | Added |
| Bogart Wealth, LLC | 23,344 | $4.03M | 0.16% | +1,494+6.8% | Added |
| Simplex Trading, LLC | 23,508 | $4.06M | 0.13% | +8,776+59.6% | Added |
| Clearstead Advisors, LLC | 23,600 | $4.07M | 0.04% | −412−1.7% | Reduced |
| Bamco Inc | 23,709 | $4.09M | 0.01% | −244,104−91.1% | Reduced |
| Louisiana State Employees Retirement System | 23,900 | $4.12M | 0.07% | 00.0% | Unchanged |
| Peapack Gladstone Financial Corp | 24,129 | $4.16M | 0.05% | −7,600−24.0% | Reduced |
| Badgley Phelps Wealth Managers, LLC | 24,337 | $4.20M | 0.08% | −37,426−60.6% | Reduced |
| Panagora Asset Management Inc | 24,339 | $4.20M | 0.02% | −341,846−93.4% | Reduced |
| Gamco Investors, Inc. Et Al | 24,575 | $4.24M | 0.04% | +70.0% | Added |
| Equitable Holdings, Inc. | 24,515 | $4.24M | 0.03% | +20,358+489.7% | Added |
| Lockheed Martin Investment Management Co | 24,590 | $4.24M | 0.16% | +250+1.0% | Added |
| Ninety One UK Ltd | 24,828 | $4.28M | 0.01% | −5,753−18.8% | Reduced |
| TD Private Client Wealth LLC | 24,900 | $4.30M | 0.09% | +21,353+602.0% | Added |
| Novare Capital Management LLC | 25,008 | $4.32M | 0.34% | −5,143−17.1% | Reduced |
| Empowered Funds, LLC | 25,173 | $4.34M | 0.03% | +5,441+27.6% | Added |
| Tobam | 25,214 | $4.35M | 1.13% | −1,711−6.4% | Reduced |
| Advisors Preferred, LLC | 25,236 | $4.36M | 0.65% | +25,236 | New |
| M. Kulyk & Associates, LLC | 25,790 | $4.45M | 0.83% | +1,302+5.3% | Added |
| Hallmark Capital Management Inc | 25,862 | $4.46M | 0.29% | +25,862 | New |
| Kestra Advisory Services, LLC | 25,923 | $4.47M | 0.02% | −3,071−10.6% | Reduced |
| Norinchukin Bank, The | 25,945 | $4.48M | 0.05% | +220+0.9% | Added |
| DRW Securities, LLC | 26,104 | $4.51M | 0.25% | +24,787+1,882.1% | Added |
| Algert Global LLC | 26,325 | $4.54M | 0.07% | +4,827+22.5% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 26,651 | $4.55M | 0.01% | +4,912+22.6% | Added |
| Coldstream Capital Management Inc | 26,413 | $4.56M | 0.06% | −1,280−4.6% | Reduced |
| Roberts Wealth Advisors, LLC | 26,629 | $4.60M | 1.17% | +9,786+58.1% | Added |
| Hartford Investment Management Co | 26,635 | $4.60M | 0.15% | −454−1.7% | Reduced |
| Motley Fool Wealth Management, LLC | 27,840 | $4.80M | 0.54% | −9,977−26.4% | Reduced |
| Hamilton Capital Partners Inc. | 28,089 | $4.85M | 0.16% | +4,833+20.8% | Added |
| LDR Capital Management LLC | 28,156 | $4.86M | 6.53% | +12,659+81.7% | Added |
| Mizuho Securities USA LLC | 28,302 | $4.88M | 0.12% | −5,785−17.0% | Reduced |
| Naviter Wealth, LLC | 28,443 | $4.91M | 0.61% | +3,497+14.0% | Added |
| Madison Asset Management, LLC | 28,568 | $4.93M | 0.06% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 28,976 | $5.00M | 0.08% | +28,976 | New |
| Sherman Porfolios, LLC | 29,056 | $5.01M | 0.38% | +29,056 | New |
| Fiduciary Group LLC | 29,082 | $5.02M | 0.43% | −2,237−7.1% | Reduced |
| Taikang Asset Management (Hong Kong) Co Ltd | 29,303 | $5.06M | 0.50% | −901−3.0% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 29,807 | $5.14M | 0.10% | −61,341−67.3% | Reduced |
| Holocene Advisors, LP | 29,888 | $5.16M | 0.01% | −1,810−5.7% | Reduced |
| Adell Harriman & Carpenter Inc | 29,930 | $5.17M | 0.32% | +900+3.1% | Added |
| Cincinnati Specialty Underwriters Insurance CO | 30,000 | $5.18M | 1.26% | 00.0% | Unchanged |
| Harber Asset Management LLC | 30,176 | $5.21M | 3.33% | −15,657−34.2% | Reduced |
| Hantz Financial Services, Inc. | 30,506 | $5.26M | 0.08% | +7,572+33.0% | Added |
| MidFirst Bank | 30,576 | $5.28M | 0.44% | +5,986+24.3% | Added |
| XTX Topco Ltd | 30,841 | $5.32M | 0.09% | −14,163−31.5% | Reduced |
| Ally Financial Inc. | 31,000 | $5.35M | 0.67% | 00.0% | Unchanged |
| PEAK6 LLC | 31,009 | $5.35M | 0.15% | +15,399+98.6% | Added |
| NFJ Investment Group, LLC | 31,197 | $5.38M | 0.21% | −2,870−8.4% | Reduced |
| Employees Retirement System of Texas | 31,234 | $5.39M | 0.05% | 00.0% | Unchanged |
| Prospect Capital Advisors, LLC | 31,440 | $5.43M | 3.02% | 00.0% | Unchanged |
| One Capital Management, LLC | 31,595 | $5.45M | 0.15% | +2,651+9.2% | Added |
| Steward Partners Investment Advisory, LLC | 31,608 | $5.45M | 0.03% | +2,684+9.3% | Added |
| Blue Sparrow, LLC | 31,670 | $5.47M | 0.09% | +31,670 | New |
| Evelyn Partners Investment Management LLP | 31,721 | $5.47M | 0.15% | −22,858−41.9% | Reduced |
| Bartlett & Co. Wealth Management LLC | 30,481 | $5.51M | 0.07% | −29,635−49.3% | Reduced |
| Parsons Capital Management Inc | 32,026 | $5.53M | 0.25% | −296−0.9% | Reduced |