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 | 1,851 | $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 |
|---|---|---|---|---|---|
| First Long Island Investors, LLC | 90,492 | $24.0M | 2.06% | +6,420+7.6% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 91,015 | $24.2M | 0.13% | −29,742−24.6% | Reduced |
| Financial Counselors Inc | 92,299 | $24.5M | 0.52% | +1,326+1.5% | Added |
| Agf Investments Inc. | 92,774 | $24.6M | 0.19% | +7,324+8.6% | Added |
| Susquehanna International Group, LLP | 94,718 | $25.1M | 0.03% | −118,932−55.7% | Reduced |
| Zimmer Partners, LP | 95,000 | $25.2M | 0.40% | −370,000−79.6% | Reduced |
| Barr E S & Co | 95,231 | $25.3M | 1.82% | −1,018−1.1% | Reduced |
| Securian Asset Management, Inc | 95,847 | $25.4M | 0.52% | −43,192−31.1% | Reduced |
| Border to Coast Pensions Partnership Ltd | 88,587 | $25.8M | 0.88% | 00.0% | Unchanged |
| KBC Group NV | 97,133 | $25.8M | 0.09% | −5,825−5.7% | Reduced |
| Raub Brock Capital Management LP | 98,765 | $26.2M | 3.98% | −1,801−1.8% | Reduced |
| Baskin Financial Services Inc. | 99,973 | $26.5M | 2.36% | +1,805+1.8% | Added |
| Gulf International Bank (UK) Ltd | 100,114 | $26.6M | 0.34% | +3,580+3.7% | Added |
| Campbell Newman Asset Management Inc | 101,246 | $26.9M | 2.75% | +199+0.2% | Added |
| Amalgamated Bank | 101,333 | $26.9M | 0.23% | −4,514−4.3% | Reduced |
| MetLife Investment Management | 102,799 | $27.3M | 0.24% | −2,621−2.5% | Reduced |
| Whittier Trust Co | 103,252 | $27.4M | 0.50% | +520+0.5% | Added |
| RMB Capital Management, LLC | 104,247 | $27.7M | 0.91% | +2,797+2.8% | Added |
| Vontobel Holding Ltd. | 107,706 | $28.6M | 0.25% | +17,618+19.6% | Added |
| USS Investment Management Ltd | 109,242 | $29.0M | 0.25% | +98,142+884.2% | Added |
| Natixis Advisors, L.P. | 109,221 | $29.0M | 0.12% | −2,103−1.9% | Reduced |
| Janney Montgomery Scott LLC | 110,044 | $29.2M | 0.12% | +11,992+12.2% | Added |
| Alberta Investment Management Corp | 110,100 | $29.2M | 0.25% | −20,300−15.6% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 111,225 | $29.5M | 0.27% | −3,400−3.0% | Reduced |
| DekaBank Deutsche Girozentrale | 109,349 | $29.5M | 0.08% | +3,720+3.5% | Added |
| Boston Family Office LLC | 111,467 | $29.6M | 2.14% | +394+0.4% | Added |
| Boston Financial Mangement LLC | 113,213 | $30.0M | 1.22% | −434−0.4% | Reduced |
| State of Michigan Retirement System | 114,295 | $30.3M | 0.17% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 114,609 | $30.4M | 0.28% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 114,819 | $30.5M | 0.16% | +3,020+2.7% | Added |
| Tiaa, FSB | 117,596 | $31.2M | 0.11% | −5,285−4.3% | Reduced |
| Forsta Ap-Fonden | 118,500 | $31.5M | 0.36% | +27,100+29.6% | Added |
| HighTower Advisors, LLC | 118,735 | $31.6M | 0.08% | +582+0.5% | Added |
| MUFG Americas Holdings Corp | 119,324 | $31.7M | 0.60% | −2,717−2.2% | Reduced |
| Comerica Bank | 113,132 | $32.2M | 0.19% | −26,323−18.9% | Reduced |
| Millennium Management LLC | 121,500 | $32.2M | 0.04% | −114,228−48.5% | Reduced |
| Trillium Asset Management, LLC | 122,961 | $32.6M | 0.86% | +2,649+2.2% | Added |
| Thrivent Financial for Lutherans | 123,077 | $32.7M | 0.07% | +486+0.4% | Added |
| Carnegie Capital Asset Management, LLC | 123,453 | $32.8M | 1.23% | +657+0.5% | Added |
| Commonwealth Equity Services, LLC | 123,747 | $32.8M | 0.08% | +3,842+3.2% | Added |
| Washington Trust Co | 123,884 | $32.9M | 0.93% | −300.0% | Reduced |
| Clal Insurance Enterprises Holdings Ltd | 123,500 | $32.9M | 0.38% | −892−0.7% | Reduced |
| Penserra Capital Management LLC | 126,313 | $33.5M | 0.70% | +2,091+1.7% | Added |
| Motley Fool Wealth Management, LLC | 126,498 | $33.6M | 1.46% | −15,565−11.0% | Reduced |
| Arizona State Retirement System | 126,797 | $33.7M | 0.27% | +2,291+1.8% | Added |
| Teacher Retirement System of Texas | 127,301 | $33.8M | 0.18% | +8,408+7.1% | Added |
| Schroder Investment Management Group | 127,792 | $33.9M | 0.05% | −24,574−16.1% | Reduced |
| Moore Capital Management, LP | 130,000 | $34.5M | 0.70% | −27,344−17.4% | Reduced |
| Brown Brothers Harriman & Co | 130,712 | $34.7M | 0.20% | +1,815+1.4% | Added |
| Advisor Group Holdings, Inc. | 131,158 | $34.8M | 0.07% | +6,308+5.1% | Added |
| ProShare Advisors LLC | 134,295 | $35.6M | 0.10% | +4,750+3.7% | Added |
| Balyasny Asset Management LLC | 134,895 | $35.8M | 0.17% | +134,895 | New |
| United Capital Financial Advisers, LLC | 136,440 | $36.2M | 0.18% | −224−0.2% | Reduced |
| Greenleaf Trust | 138,546 | $36.8M | 0.45% | +4,949+3.7% | Added |
| Barton Investment Management | 139,371 | $37.0M | 3.10% | −961−0.7% | Reduced |
| Baird Financial Group, Inc. | 139,725 | $37.1M | 0.09% | −34,734−19.9% | Reduced |
| B.S. Pension Fund Trustee Ltd acting for the British Steel Pension Fund | 142,000 | $37.7M | 9.20% | 00.0% | Unchanged |
| Hazelview Securities Inc. | 143,680 | $38.3M | 4.90% | +5,180+3.7% | Added |
| Dearborn Partners LLC | 144,511 | $38.4M | 1.56% | +418+0.3% | Added |
| Guggenheim Capital LLC | 145,353 | $38.6M | 0.23% | −2,415−1.6% | Reduced |
| Heard Capital LLC | 145,920 | $38.7M | 7.52% | −796−0.5% | Reduced |
| Heitman Real Estate Securities LLC | 149,884 | $39.8M | 1.81% | +149,884 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 150,265 | $39.9M | 0.22% | +26,149+21.1% | Added |
| American International Group, Inc. | 150,520 | $40.0M | 0.21% | −1,921−1.3% | Reduced |
| Calamos Advisors LLC | 153,112 | $40.6M | 0.19% | +7,485+5.1% | Added |
| Aureus Asset Management, LLC | 154,185 | $40.9M | 2.69% | +4,433+3.0% | Added |
| Rockefeller Capital Management L.P. | 154,314 | $41.0M | 0.22% | +7,446+5.1% | Added |
| Klingenstein Fields & Co LP | 155,931 | $41.4M | 1.77% | −1,325−0.8% | Reduced |
| Macquarie Group Ltd | 158,059 | $42.1M | 0.04% | −27,236−14.7% | Reduced |
| Gateway Investment Advisers LLC | 159,827 | $42.4M | 0.44% | −196−0.1% | Reduced |
| EP Wealth Advisors, LLC | 162,387 | $43.1M | 1.18% | +7,243+4.7% | Added |
| Loomis Sayles & Co L P | 171,387 | $45.5M | 0.06% | −2,840−1.6% | Reduced |
| LPL Financial LLC | 172,154 | $45.7M | 0.04% | +19,784+13.0% | Added |
| Public Sector Pension Investment Board | 174,781 | $46.4M | 0.27% | +103,121+143.9% | Added |
| Fifth Third Bancorp | 175,158 | $46.5M | 0.20% | −257−0.1% | Reduced |
| Victory Capital Management Inc | 176,044 | $46.7M | 0.05% | −2,609−1.5% | Reduced |
| Mackenzie Financial Corp | 180,421 | $47.9M | 0.07% | −8,554−4.5% | Reduced |
| Capital Group Private Client Services, Inc. | 183,499 | $48.7M | 0.56% | +183,499 | New |
| STRS Ohio | 184,959 | $49.1M | 0.18% | −11,495−5.9% | Reduced |
| Robeco Institutional Asset Management B.V. | 186,195 | $49.4M | 0.11% | +76,490+69.7% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 186,755 | $49.6M | 0.24% | +19,960+12.0% | Added |
| Advisors Asset Management, Inc. | 189,073 | $50.2M | 0.76% | +7,146+3.9% | Added |
| Howland Capital Management LLC | 195,223 | $51.8M | 2.73% | −3,800−1.9% | Reduced |
| Treasurer of the State of North Carolina | 197,288 | $52.4M | 0.30% | +550+0.3% | Added |
| Northeast Investment Management | 198,738 | $52.7M | 2.82% | +1,654+0.8% | Added |
| CCLA Investment Management Ltd | 199,930 | $53.1M | 0.91% | +1,268+0.6% | Added |
| Nissay Asset Management Corp | 201,010 | $53.4M | 0.45% | −59,039−22.7% | Reduced |
| Cincinnati Financial Corp | 201,619 | $53.5M | 1.31% | 00.0% | Unchanged |
| Fort Washington Investment Advisors Inc | 203,246 | $53.9M | 0.34% | +137,238+207.9% | Added |
| Voya Investment Management LLC | 203,306 | $54.0M | 0.11% | −15,760−7.2% | Reduced |
| Adelante Capital Management LLC | 204,698 | $54.3M | 2.76% | +5,825+2.9% | Added |
| Reaves W H & Co Inc | 207,266 | $55.0M | 1.76% | +28,000+15.6% | Added |
| Factory Mutual Insurance Co | 207,650 | $55.1M | 0.69% | −3,100−1.5% | Reduced |
| CIBC Asset Management Inc | 209,449 | $55.6M | 0.22% | +1,118+0.5% | Added |
| Lasalle Investment Management Securities LLC | 209,554 | $55.6M | 1.81% | +9,501+4.7% | Added |
| Asset Management One Co.,Ltd. | 210,873 | $56.0M | 0.21% | −6,393−2.9% | Reduced |
| Lord, Abbett & Co. LLC | 211,000 | $56.0M | 0.13% | +18,900+9.8% | Added |
| Haverford Trust Co | 211,571 | $56.2M | 0.67% | +1,931+0.9% | Added |
| Westpac Banking Corp | 217,001 | $57.6M | 0.62% | −36,935−14.5% | Reduced |
| Pictet Asset Management SA | 217,189 | $57.6M | 0.06% | +217,189 | New |