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, Q3 2021
Institutional positions in American Tower Corp as of Sep 30, 2021. 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
- 1,678
- +47 vs. Q2 2021
- Shares held
- 412.7M
- −255.0K (−0.1%) vs. Q2 2021
- Total value
- $109.6B
- −$2.00B (−1.8%) vs. Q2 2021
- New holders
- 131
- 744 more added
- Sold out
- 84
- 529 more reduced
25 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mackenzie Financial Corp | 180,421 | $47.9M | 0.07% | −8,554−4.5% | Reduced |
| Victory Capital Management Inc | 176,044 | $46.7M | 0.05% | −2,609−1.5% | Reduced |
| Fifth Third Bancorp | 175,158 | $46.5M | 0.20% | −257−0.1% | Reduced |
| Public Sector Pension Investment Board | 174,781 | $46.4M | 0.27% | +103,121+143.9% | Added |
| LPL Financial LLC | 172,154 | $45.7M | 0.04% | +19,784+13.0% | Added |
| Loomis Sayles & Co L P | 171,387 | $45.5M | 0.06% | −2,840−1.6% | Reduced |
| EP Wealth Advisors, LLC | 162,387 | $43.1M | 1.18% | +7,243+4.7% | Added |
| Gateway Investment Advisers LLC | 159,827 | $42.4M | 0.44% | −196−0.1% | Reduced |
| Macquarie Group Ltd | 158,059 | $42.1M | 0.04% | −27,236−14.7% | Reduced |
| Klingenstein Fields & Co LP | 155,931 | $41.4M | 1.77% | −1,325−0.8% | Reduced |
| Rockefeller Capital Management L.P. | 154,314 | $41.0M | 0.22% | +7,446+5.1% | Added |
| Aureus Asset Management, LLC | 154,185 | $40.9M | 2.69% | +4,433+3.0% | Added |
| Calamos Advisors LLC | 153,112 | $40.6M | 0.19% | +7,485+5.1% | Added |
| American International Group, Inc. | 150,520 | $40.0M | 0.21% | −1,921−1.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 150,265 | $39.9M | 0.22% | +26,149+21.1% | Added |
| Heitman Real Estate Securities LLC | 149,884 | $39.8M | 1.81% | +149,884 | New |
| Heard Capital LLC | 145,920 | $38.7M | 7.52% | −796−0.5% | Reduced |
| Guggenheim Capital LLC | 145,353 | $38.6M | 0.23% | −2,415−1.6% | Reduced |
| Dearborn Partners LLC | 144,511 | $38.4M | 1.56% | +418+0.3% | Added |
| Hazelview Securities Inc. | 143,680 | $38.3M | 4.90% | +5,180+3.7% | Added |
| B.S. Pension Fund Trustee Ltd acting for the British Steel Pension Fund | 142,000 | $37.7M | 9.20% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 139,725 | $37.1M | 0.09% | −34,734−19.9% | Reduced |
| Barton Investment Management | 139,371 | $37.0M | 3.10% | −961−0.7% | Reduced |
| Greenleaf Trust | 138,546 | $36.8M | 0.45% | +4,949+3.7% | Added |
| United Capital Financial Advisers, LLC | 136,440 | $36.2M | 0.18% | −224−0.2% | Reduced |
| Balyasny Asset Management LLC | 134,895 | $35.8M | 0.17% | +134,895 | New |
| ProShare Advisors LLC | 134,295 | $35.6M | 0.10% | +4,750+3.7% | Added |
| Advisor Group Holdings, Inc. | 131,158 | $34.8M | 0.07% | +6,308+5.1% | Added |
| Brown Brothers Harriman & Co | 130,712 | $34.7M | 0.20% | +1,815+1.4% | Added |
| Moore Capital Management, LP | 130,000 | $34.5M | 0.70% | −27,344−17.4% | Reduced |
| Schroder Investment Management Group | 127,792 | $33.9M | 0.05% | −24,574−16.1% | Reduced |
| Teacher Retirement System of Texas | 127,301 | $33.8M | 0.18% | +8,408+7.1% | Added |
| Arizona State Retirement System | 126,797 | $33.7M | 0.27% | +2,291+1.8% | Added |
| Motley Fool Wealth Management, LLC | 126,498 | $33.6M | 1.46% | −15,565−11.0% | Reduced |
| Penserra Capital Management LLC | 126,313 | $33.5M | 0.70% | +2,091+1.7% | Added |
| Clal Insurance Enterprises Holdings Ltd | 123,500 | $32.9M | 0.38% | −892−0.7% | Reduced |
| Washington Trust Co | 123,884 | $32.9M | 0.93% | −300.0% | Reduced |
| Commonwealth Equity Services, LLC | 123,747 | $32.8M | 0.08% | +3,842+3.2% | Added |
| Carnegie Capital Asset Management, LLC | 123,453 | $32.8M | 1.23% | +657+0.5% | Added |
| Thrivent Financial for Lutherans | 123,077 | $32.7M | 0.07% | +486+0.4% | Added |
| Trillium Asset Management, LLC | 122,961 | $32.6M | 0.86% | +2,649+2.2% | Added |
| Millennium Management LLC | 121,500 | $32.2M | 0.04% | −114,228−48.5% | Reduced |
| Comerica Bank | 113,132 | $32.2M | 0.19% | −26,323−18.9% | Reduced |
| MUFG Americas Holdings Corp | 119,324 | $31.7M | 0.60% | −2,717−2.2% | Reduced |
| HighTower Advisors, LLC | 118,735 | $31.6M | 0.08% | +582+0.5% | Added |
| Forsta Ap-Fonden | 118,500 | $31.5M | 0.36% | +27,100+29.6% | Added |
| Tiaa, FSB | 117,596 | $31.2M | 0.11% | −5,285−4.3% | Reduced |
| Handelsbanken Fonder AB | 114,819 | $30.5M | 0.16% | +3,020+2.7% | Added |
| Teachers Retirement System of the State of Kentucky | 114,609 | $30.4M | 0.28% | 00.0% | Unchanged |
| State of Michigan Retirement System | 114,295 | $30.3M | 0.17% | 00.0% | Unchanged |
| Boston Financial Mangement LLC | 113,213 | $30.0M | 1.22% | −434−0.4% | Reduced |
| Boston Family Office LLC | 111,467 | $29.6M | 2.14% | +394+0.4% | Added |
| DekaBank Deutsche Girozentrale | 109,349 | $29.5M | 0.08% | +3,720+3.5% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 111,225 | $29.5M | 0.27% | −3,400−3.0% | Reduced |
| Alberta Investment Management Corp | 110,100 | $29.2M | 0.25% | −20,300−15.6% | Reduced |
| Janney Montgomery Scott LLC | 110,044 | $29.2M | 0.12% | +11,992+12.2% | Added |
| Natixis Advisors, L.P. | 109,221 | $29.0M | 0.12% | −2,103−1.9% | Reduced |
| USS Investment Management Ltd | 109,242 | $29.0M | 0.25% | +98,142+884.2% | Added |
| Vontobel Holding Ltd. | 107,706 | $28.6M | 0.25% | +17,618+19.6% | Added |
| RMB Capital Management, LLC | 104,247 | $27.7M | 0.91% | +2,797+2.8% | Added |
| Whittier Trust Co | 103,252 | $27.4M | 0.50% | +520+0.5% | Added |
| MetLife Investment Management | 102,799 | $27.3M | 0.24% | −2,621−2.5% | Reduced |
| Amalgamated Bank | 101,333 | $26.9M | 0.23% | −4,514−4.3% | Reduced |
| Campbell Newman Asset Management Inc | 101,246 | $26.9M | 2.75% | +199+0.2% | Added |
| Gulf International Bank (UK) Ltd | 100,114 | $26.6M | 0.34% | +3,580+3.7% | Added |
| Baskin Financial Services Inc. | 99,973 | $26.5M | 2.36% | +1,805+1.8% | Added |
| Raub Brock Capital Management LP | 98,765 | $26.2M | 3.98% | −1,801−1.8% | Reduced |
| KBC Group NV | 97,133 | $25.8M | 0.09% | −5,825−5.7% | Reduced |
| Border to Coast Pensions Partnership Ltd | 88,587 | $25.8M | 0.88% | 00.0% | Unchanged |
| Securian Asset Management, Inc | 95,847 | $25.4M | 0.52% | −43,192−31.1% | Reduced |
| Barr E S & Co | 95,231 | $25.3M | 1.82% | −1,018−1.1% | Reduced |
| Zimmer Partners, LP | 95,000 | $25.2M | 0.40% | −370,000−79.6% | Reduced |
| Susquehanna International Group, LLP | 94,718 | $25.1M | 0.03% | −118,932−55.7% | Reduced |
| Agf Investments Inc. | 92,774 | $24.6M | 0.19% | +7,324+8.6% | Added |
| Financial Counselors Inc | 92,299 | $24.5M | 0.52% | +1,326+1.5% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 91,015 | $24.2M | 0.13% | −29,742−24.6% | Reduced |
| First Long Island Investors, LLC | 90,492 | $24.0M | 2.06% | +6,420+7.6% | Added |
| Nomura Asset Management Co Ltd | 89,900 | $23.9M | 0.13% | +3,817+4.4% | Added |
| Employees Retirement System of Texas | 89,500 | $23.8M | 0.28% | 00.0% | Unchanged |
| Private Advisor Group, LLC | 89,258 | $23.7M | 0.15% | +30,320+51.4% | Added |
| Shell Asset Management Co | 88,253 | $23.4M | 0.53% | +15,458+21.2% | Added |
| Candriam Luxembourg S.C.A. | 87,944 | $23.3M | 0.16% | +50,926+137.6% | Added |
| DnB Asset Management AS | 87,282 | $23.2M | 0.15% | +25,628+41.6% | Added |
| Boston Private Wealth LLC | 86,962 | $23.1M | 0.30% | +1,926+2.3% | Added |
| Xponance, Inc. | 86,885 | $23.1M | 0.44% | −2,154−2.4% | Reduced |
| Cohen Klingenstein LLC | 86,784 | $23.0M | 1.01% | −16,000−15.6% | Reduced |
| Ranger Global Real Estate Advisors, LLC | 84,202 | $22.3M | 1.74% | −302,649−78.2% | Reduced |
| British Columbia Investment Management Corp | 84,083 | $22.3M | 0.13% | +1,787+2.2% | Added |
| Qube Research & Technologies Ltd | 83,936 | $22.3M | 0.28% | +78,858+1,552.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 82,865 | $22.0M | 0.06% | +16,053+24.0% | Added |
| Polar Asset Management Partners Inc. | 82,379 | $21.9M | 0.26% | +5,279+6.8% | Added |
| Stock Yards Bank & Trust Co | 81,816 | $21.7M | 1.37% | −820−1.0% | Reduced |
| Utah Retirement Systems | 81,698 | $21.7M | 0.29% | −4,300−5.0% | Reduced |
| Vestcor Inc | 79,502 | $21.1M | 0.76% | +496+0.6% | Added |
| Fulton Breakefield Broenniman LLC | 79,360 | $21.1M | 1.80% | −605−0.8% | Reduced |
| Impax Asset Management Group plc | 79,200 | $21.0M | 0.09% | 00.0% | Unchanged |
| MAI Capital Management | 78,909 | $20.9M | 0.41% | +2,284+3.0% | Added |
| Ninety One UK Ltd | 78,644 | $20.9M | 0.05% | −121,942−60.8% | Reduced |
| Oppenheimer Asset Management Inc. | 78,116 | $20.7M | 0.29% | +204+0.3% | Added |
| Heritage Investors Management Corp | 76,756 | $20.4M | 0.86% | +1,915+2.6% | Added |