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 |
|---|---|---|---|---|---|
| Tobam | 25,214 | $4.35M | 1.13% | −1,711−6.4% | Reduced |
| Empowered Funds, LLC | 25,173 | $4.34M | 0.03% | +5,441+27.6% | Added |
| Novare Capital Management LLC | 25,008 | $4.32M | 0.34% | −5,143−17.1% | Reduced |
| TD Private Client Wealth LLC | 24,900 | $4.30M | 0.09% | +21,353+602.0% | Added |
| Ninety One UK Ltd | 24,828 | $4.28M | 0.01% | −5,753−18.8% | Reduced |
| Lockheed Martin Investment Management Co | 24,590 | $4.24M | 0.16% | +250+1.0% | Added |
| Equitable Holdings, Inc. | 24,515 | $4.24M | 0.03% | +20,358+489.7% | Added |
| Gamco Investors, Inc. Et Al | 24,575 | $4.24M | 0.04% | +70.0% | Added |
| Panagora Asset Management Inc | 24,339 | $4.20M | 0.02% | −341,846−93.4% | Reduced |
| Badgley Phelps Wealth Managers, LLC | 24,337 | $4.20M | 0.08% | −37,426−60.6% | Reduced |
| Peapack Gladstone Financial Corp | 24,129 | $4.16M | 0.05% | −7,600−24.0% | Reduced |
| Louisiana State Employees Retirement System | 23,900 | $4.12M | 0.07% | 00.0% | Unchanged |
| Bamco Inc | 23,709 | $4.09M | 0.01% | −244,104−91.1% | Reduced |
| Clearstead Advisors, LLC | 23,600 | $4.07M | 0.04% | −412−1.7% | Reduced |
| Simplex Trading, LLC | 23,508 | $4.06M | 0.13% | +8,776+59.6% | Added |
| Bogart Wealth, LLC | 23,344 | $4.03M | 0.16% | +1,494+6.8% | Added |
| We Are One Seven, LLC | 23,332 | $4.03M | 0.08% | +1,801+8.4% | Added |
| GSI Capital Advisors LLC | 23,163 | $4.00M | 2.17% | −85−0.4% | Reduced |
| Charter Trust Co | 23,125 | $3.99M | 0.23% | +651+2.9% | Added |
| Perryman Financial Advisory Inc | 22,908 | $3.95M | 0.59% | −1,642−6.7% | Reduced |
| Heritage Trust Co | 22,879 | $3.95M | 0.40% | −639−2.7% | Reduced |
| Sitrin Capital Management LLC | 22,842 | $3.94M | 1.98% | −803−3.4% | Reduced |
| Third View Private Wealth, LLC | 22,770 | $3.93M | 0.54% | +7,522+49.3% | Added |
| Kovitz Investment Group Partners, LLC | 22,735 | $3.92M | 0.09% | +18,752+470.8% | Added |
| Beacon Pointe Advisors, LLC | 22,408 | $3.87M | 0.02% | +9,256+70.4% | Added |
| Wesbanco Bank Inc | 22,295 | $3.85M | 0.11% | −71−0.3% | Reduced |
| Edgewood Management LLC | 22,238 | $3.84M | 0.02% | −7,120−24.3% | Reduced |
| Ables, Iannone, Moore & Associates, Inc. | 21,905 | $3.78M | 2.25% | +174+0.8% | Added |
| Omers Administration Corp | 21,671 | $3.74M | 0.02% | +4,929+29.4% | Added |
| Benjamin Edwards Inc | 21,634 | $3.73M | 0.04% | +13,307+159.8% | Added |
| Siemens Fonds Invest GmbH | 21,596 | $3.73M | 0.21% | +23+0.1% | Added |
| Banque Cantonale Vaudoise | 21,549 | $3.72M | 0.14% | +1,358+6.7% | Added |
| New Mexico Educational Retirement Board | 21,368 | $3.69M | 0.11% | 00.0% | Unchanged |
| Value Partners Investments Inc. | 21,199 | $3.66M | 0.28% | 00.0% | Unchanged |
| Sophron Capital Management L.P. | 21,212 | $3.66M | 1.08% | −43,093−67.0% | Reduced |
| Intact Investment Management Inc. | 21,200 | $3.66M | 0.10% | 00.0% | Unchanged |
| Jupiter Asset Management Ltd | 22,399 | $3.65M | 0.02% | +22,399 | New |
| Bill Few Associates, Inc. | 21,045 | $3.63M | 0.87% | +1,034+5.2% | Added |
| Vident Advisory, LLC | 20,769 | $3.58M | 0.03% | −22,436−51.9% | Reduced |
| Massmutual Trust Co FSB | 20,533 | $3.54M | 0.10% | +4,928+31.6% | Added |
| Kestra Private Wealth Services, LLC | 20,431 | $3.53M | 0.04% | −14,455−41.4% | Reduced |
| Koa Wealth Management, LLC | 20,306 | $3.50M | 2.53% | −894−4.2% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 20,293 | $3.50M | 0.16% | +269+1.3% | Added |
| Erste Asset Management GmbH | 20,472 | $3.49M | 0.03% | −19,404−48.7% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 20,170 | $3.48M | 0.10% | −467−2.3% | Reduced |
| Diversified Trust Co | 20,080 | $3.47M | 0.06% | −3,545−15.0% | Reduced |
| Thompson Investment Management, Inc. | 19,997 | $3.45M | 0.45% | +3,457+20.9% | Added |
| Jupiter Wealth Management LLC | 19,838 | $3.45M | 1.36% | 00.0% | Unchanged |
| Appleton Partners Inc | 19,821 | $3.42M | 0.24% | −983−4.7% | Reduced |
| Westpac Banking Corp | 19,786 | $3.41M | 0.24% | +1,405+7.6% | Added |
| Parallel Advisors, LLC | 19,769 | $3.41M | 0.06% | −121−0.6% | Reduced |
| E. Ohman J:or Asset Management AB | 19,630 | $3.39M | 0.09% | −600−3.0% | Reduced |
| Quadrant Capital Group LLC | 19,551 | $3.37M | 0.10% | +4,364+28.7% | Added |
| Johnson Investment Counsel Inc | 19,328 | $3.34M | 0.03% | +1,227+6.8% | Added |
| MUFG Securities EMEA plc | 19,203 | $3.31M | 0.05% | −300,000−94.0% | Reduced |
| Garrett Investment Advisors LLC | 19,086 | $3.29M | 0.26% | +263+1.4% | Added |
| Steel Peak Wealth Management LLC | 18,992 | $3.28M | 0.10% | +18,992 | New |
| ProVise Management Group, LLC | 18,887 | $3.26M | 0.23% | +1,776+10.4% | Added |
| Longfellow Investment Management Co LLC | 18,763 | $3.24M | 0.67% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 18,738 | $3.23M | 0.01% | −30−0.2% | Reduced |
| First National Bank of Omaha | 18,719 | $3.23M | 0.10% | +2,864+18.1% | Added |
| Red Door Wealth Management, LLC | 18,622 | $3.21M | 0.33% | +365+2.0% | Added |
| Presima Inc. | 18,568 | $3.20M | 1.80% | 00.0% | Unchanged |
| Crestwood Advisors Group LLC | 18,425 | $3.18M | 0.05% | −734−3.8% | Reduced |
| Caisse de Depot Et Placement du Quebec | 18,283 | $3.16M | 0.01% | 00.0% | Unchanged |
| Chicago Partners Investment Group LLC | 17,823 | $3.14M | 0.07% | −1,581−8.1% | Reduced |
| Anson Funds Management LP | 18,100 | $3.12M | 0.41% | +18,100 | New |
| TCG Advisory Services, LLC | 18,089 | $3.12M | 0.08% | −3,054−14.4% | Reduced |
| Amica Mutual Insurance Co | 18,029 | $3.11M | 0.27% | 00.0% | Unchanged |
| RMR Wealth Builders | 18,012 | $3.11M | 0.24% | +4,848+36.8% | Added |
| FRG Family Wealth Advisors LLC | 17,982 | $3.10M | 0.51% | −1,743−8.8% | Reduced |
| Kettle Hill Capital Management, LLC | 17,923 | $3.09M | 0.78% | +17,923 | New |
| Harrison Street Private Wealth LLC | 17,910 | $3.09M | 4.09% | +17,910 | New |
| Brown Brothers Harriman & Co | 17,560 | $3.03M | 0.02% | +2,667+17.9% | Added |
| Dynamic Advisor Solutions LLC | 17,461 | $3.01M | 0.09% | −78−0.4% | Reduced |
| Virtu Financial LLC | 17,407 | $3.00M | 0.12% | −5,557−24.2% | Reduced |
| McCollum Christoferson Group LLC | 41,557 | $3.00M | 0.90% | +11,590+38.7% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 17,385 | $3.00M | 0.02% | −11,902−40.6% | Reduced |
| Callan Family Office, LLC | 17,258 | $2.98M | 0.07% | −1,554−8.3% | Reduced |
| Simmons Bank | 17,062 | $2.94M | 0.20% | +1,389+8.9% | Added |
| Simon Quick Advisors, LLC | 17,025 | $2.94M | 0.13% | +4,964+41.2% | Added |
| Second Line Capital, LLC | 16,050 | $2.93M | 0.56% | −323−2.0% | Reduced |
| Texas Yale Capital Corp. | 16,986 | $2.93M | 0.08% | +3,957+30.4% | Added |
| Nomura Holdings Inc | 16,888 | $2.91M | 0.02% | −1,281−7.1% | Reduced |
| New Age Alpha Advisors, LLC | 16,718 | $2.89M | 0.13% | −24,407−59.3% | Reduced |
| Walleye Capital LLC | 16,684 | $2.88M | 0.02% | +15,433+1,233.7% | Added |
| Dean Investment Associates, LLC | 16,616 | $2.87M | 0.40% | +2,243+15.6% | Added |
| Strong Retirement Solutions LLC | 16,608 | $2.87M | 2.01% | +2,434+17.2% | Added |
| Tokio Marine Asset Management Co Ltd | 16,599 | $2.86M | 0.10% | +867+5.5% | Added |
| DoubleLine ETF Adviser LP | 16,594 | $2.86M | 1.09% | −3,939−19.2% | Reduced |
| Brinker Capital Investments, LLC | 16,444 | $2.84M | 0.02% | +1,589+10.7% | Added |
| D.A. Davidson & Co. | 16,373 | $2.83M | 0.02% | +2,187+15.4% | Added |
| RMB Capital Management, LLC | 16,272 | $2.81M | 0.05% | −9,819−37.6% | Reduced |
| Ancora Advisors, LLC | 16,178 | $2.79M | 0.06% | −115,852−87.7% | Reduced |
| Iowa State Bank | 16,136 | $2.78M | 0.51% | +1,756+12.2% | Added |
| Summit Trail Advisors, LLC | 16,128 | $2.78M | 0.04% | +2,445+17.9% | Added |
| Northstar Asset Management LLC | 16,054 | $2.77M | 0.62% | −1,003−5.9% | Reduced |
| Qube Research & Technologies Ltd | 15,921 | $2.75M | 0.00% | −538,928−97.1% | Reduced |
| Plato Investment Management Ltd | 15,802 | $2.73M | 0.18% | 00.0% | Unchanged |
| Community Trust & Investment Co | 15,763 | $2.72M | 0.15% | +637+4.2% | Added |