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, Q2 2021
Institutional positions in American Tower Corp as of Jun 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
- 1,656
- +62 vs. Q1 2021
- Shares held
- 413.4M
- +13.7M (+3.4%) vs. Q1 2021
- Total value
- $111.7B
- +$16.2B (+17.0%) vs. Q1 2021
- New holders
- 158
- 728 more added
- Sold out
- 96
- 504 more reduced
19 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Macquarie Group Ltd | 185,295 | $50.1M | 0.04% | +24,423+15.2% | Added |
| Capital Bank & Trust Co | 185,060 | $50.0M | 0.58% | −9,884−5.1% | Reduced |
| Advisors Asset Management, Inc. | 181,927 | $49.1M | 0.71% | −5,190−2.8% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 180,516 | $48.8M | 0.11% | −37,249−17.1% | Reduced |
| Reaves W H & Co Inc | 179,266 | $48.4M | 1.58% | −810.0% | Reduced |
| Victory Capital Management Inc | 178,653 | $48.3M | 0.05% | −8,832−4.7% | Reduced |
| Fifth Third Bancorp | 175,415 | $47.4M | 0.21% | −2,419−1.4% | Reduced |
| Baird Financial Group, Inc. | 174,459 | $47.1M | 0.12% | +38,236+28.1% | Added |
| Loomis Sayles & Co L P | 174,227 | $47.1M | 0.06% | −23,566−11.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 166,795 | $45.1M | 0.25% | +21,599+14.9% | Added |
| Gateway Investment Advisers LLC | 160,023 | $43.2M | 0.44% | +48,417+43.4% | Added |
| Moore Capital Management, LP | 157,344 | $42.5M | 0.78% | +157,344 | New |
| Klingenstein Fields & Co LP | 157,256 | $42.5M | 1.76% | +951+0.6% | Added |
| EP Wealth Advisors, LLC | 155,144 | $41.9M | 1.16% | +11,139+7.7% | Added |
| American International Group, Inc. | 152,441 | $41.2M | 0.16% | −1,021−0.7% | Reduced |
| LPL Financial LLC | 152,370 | $41.2M | 0.04% | +19,873+15.0% | Added |
| Schroder Investment Management Group | 152,366 | $41.2M | 0.05% | +29,512+24.0% | Added |
| Aureus Asset Management, LLC | 149,752 | $40.5M | 2.60% | +4,661+3.2% | Added |
| Comerica Bank | 139,455 | $40.3M | 0.24% | −532−0.4% | Reduced |
| Guggenheim Capital LLC | 147,768 | $39.9M | 0.24% | −2,245−1.5% | Reduced |
| Rockefeller Capital Management L.P. | 146,868 | $39.7M | 0.22% | +15,891+12.1% | Added |
| Heard Capital LLC | 146,716 | $39.6M | 9.03% | −1,274−0.9% | Reduced |
| Calamos Advisors LLC | 145,627 | $39.3M | 0.20% | +16,886+13.1% | Added |
| Dearborn Partners LLC | 144,093 | $38.9M | 1.57% | +1,107+0.8% | Added |
| Motley Fool Wealth Management, LLC | 142,063 | $38.4M | 1.61% | +30,454+27.3% | Added |
| B.S. Pension Fund Trustee Ltd acting for the British Steel Pension Fund | 142,000 | $38.4M | 8.94% | 00.0% | Unchanged |
| Barton Investment Management | 140,332 | $37.9M | 3.11% | +106+0.1% | Added |
| Hazelview Securities Inc. | 138,500 | $37.8M | 5.00% | +138,500 | New |
| Securian Asset Management, Inc | 139,039 | $37.6M | 0.76% | −13,140−8.6% | Reduced |
| United Capital Financial Advisers, LLC | 136,664 | $36.9M | 0.19% | +204+0.1% | Added |
| Greenleaf Trust | 133,597 | $36.1M | 0.45% | +3,860+3.0% | Added |
| Alberta Investment Management Corp | 130,400 | $35.2M | 0.29% | −65,900−33.6% | Reduced |
| ProShare Advisors LLC | 129,545 | $35.0M | 0.10% | +11,892+10.1% | Added |
| Brown Brothers Harriman & Co | 128,897 | $34.8M | 0.21% | −1,648−1.3% | Reduced |
| Clal Insurance Enterprises Holdings Ltd | 124,392 | $33.8M | 0.39% | −25,500−17.0% | Reduced |
| Advisor Group Holdings, Inc. | 124,850 | $33.7M | 0.07% | +5,398+4.5% | Added |
| Arizona State Retirement System | 124,506 | $33.6M | 0.27% | −675−0.5% | Reduced |
| Point72 Asset Management, L.P. | 124,300 | $33.6M | 0.17% | +94,300+314.3% | Added |
| Penserra Capital Management LLC | 124,222 | $33.6M | 0.61% | −10,004−7.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 124,116 | $33.5M | 0.19% | +4,657+3.9% | Added |
| Washington Trust Co | 123,914 | $33.5M | 0.94% | +280.0% | Added |
| Tiaa, FSB | 122,881 | $33.2M | 0.11% | −8,010−6.1% | Reduced |
| Carnegie Capital Asset Management, LLC | 122,796 | $33.2M | 1.25% | +1,668+1.4% | Added |
| Thrivent Financial for Lutherans | 122,591 | $33.1M | 0.07% | −16,602−11.9% | Reduced |
| MUFG Americas Holdings Corp | 122,041 | $33.0M | 0.61% | +602+0.5% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 120,757 | $32.6M | 0.20% | −75,437−38.5% | Reduced |
| Trillium Asset Management, LLC | 120,312 | $32.4M | 0.90% | +7,853+7.0% | Added |
| Commonwealth Equity Services, LLC | 119,905 | $32.4M | 0.08% | +5,744+5.0% | Added |
| Teacher Retirement System of Texas | 118,893 | $32.1M | 0.18% | −55,576−31.9% | Reduced |
| HighTower Advisors, LLC | 118,153 | $31.9M | 0.09% | +5,143+4.6% | Added |
| Polaris Wealth Advisory Group, LLC | 116,882 | $31.6M | 1.88% | +116,882 | New |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 114,625 | $31.0M | 0.28% | −5,400−4.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 114,609 | $31.0M | 0.28% | 00.0% | Unchanged |
| State of Michigan Retirement System | 114,295 | $30.9M | 0.18% | +2,800+2.5% | Added |
| Boston Financial Mangement LLC | 113,647 | $30.7M | 1.24% | +2,516+2.3% | Added |
| Handelsbanken Fonder AB | 111,799 | $30.2M | 0.16% | +2,832+2.6% | Added |
| Natixis Advisors, L.P. | 111,324 | $30.1M | 0.14% | +13,697+14.0% | Added |
| Boston Family Office LLC | 111,073 | $30.0M | 2.14% | +626+0.6% | Added |
| Robeco Institutional Asset Management B.V. | 109,705 | $29.6M | 0.07% | −22,903−17.3% | Reduced |
| DekaBank Deutsche Girozentrale | 105,629 | $28.6M | 0.08% | +12,125+13.0% | Added |
| Amalgamated Bank | 105,847 | $28.6M | 0.23% | +78,672+289.5% | Added |
| MetLife Investment Management | 105,420 | $28.5M | 0.25% | −476−0.4% | Reduced |
| KBC Group NV | 102,958 | $27.8M | 0.10% | −10,870−9.5% | Reduced |
| Cohen Klingenstein LLC | 102,784 | $27.8M | 1.19% | −950−0.9% | Reduced |
| Whittier Trust Co | 102,732 | $27.8M | 0.49% | +3,036+3.0% | Added |
| RMB Capital Management, LLC | 101,450 | $27.4M | 0.92% | +1,048+1.0% | Added |
| Worldquant Millennium Advisors LLC | 101,165 | $27.3M | 0.60% | 00.0% | Unchanged |
| Campbell Newman Asset Management Inc | 101,047 | $27.3M | 2.68% | +573+0.6% | Added |
| Raub Brock Capital Management LP | 100,566 | $27.2M | 4.68% | −1,590−1.6% | Reduced |
| Baskin Financial Services Inc. | 98,168 | $26.5M | 2.43% | +5,592+6.0% | Added |
| Janney Montgomery Scott LLC | 98,052 | $26.5M | 0.12% | +4,007+4.3% | Added |
| Gulf International Bank (UK) Ltd | 96,534 | $26.1M | 0.33% | −307−0.3% | Reduced |
| Barr E S & Co | 96,249 | $26.0M | 1.87% | −264−0.3% | Reduced |
| Forsta Ap-Fonden | 91,400 | $24.7M | 0.29% | +6,600+7.8% | Added |
| Financial Counselors Inc | 90,973 | $24.6M | 0.53% | +2,112+2.4% | Added |
| Vontobel Holding Ltd. | 90,088 | $24.6M | 0.21% | +18,153+25.2% | Added |
| CIBC World Markets Inc. | 89,672 | $24.2M | 0.07% | −11,653−11.5% | Reduced |
| Employees Retirement System of Texas | 89,500 | $24.2M | 0.29% | 00.0% | Unchanged |
| Border to Coast Pensions Partnership Ltd | 88,587 | $24.1M | 0.84% | +88,587 | New |
| Xponance, Inc. | 89,039 | $24.1M | 0.44% | +169+0.2% | Added |
| Nomura Asset Management Co Ltd | 86,083 | $23.3M | 0.13% | +1,737+2.1% | Added |
| Utah Retirement Systems | 85,998 | $23.2M | 0.30% | +1,300+1.5% | Added |
| Agf Investments Inc. | 85,450 | $23.1M | 0.17% | +6,529+8.3% | Added |
| Boston Private Wealth LLC | 85,036 | $23.0M | 0.29% | +9,530+12.6% | Added |
| First Long Island Investors, LLC | 84,072 | $22.7M | 1.94% | +42,348+101.5% | Added |
| Claar Advisors LLC | 83,320 | $22.5M | 6.71% | 00.0% | Unchanged |
| Stock Yards Bank & Trust Co | 82,636 | $22.3M | 1.42% | −334−0.4% | Reduced |
| British Columbia Investment Management Corp | 82,296 | $22.2M | 0.14% | +9,379+12.9% | Added |
| Fulton Breakefield Broenniman LLC | 79,965 | $21.6M | 1.85% | +85+0.1% | Added |
| Sit Investment Associates Inc | 79,849 | $21.6M | 0.53% | −3,715−4.4% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 79,500 | $21.5M | 0.23% | +40,000+101.3% | Added |
| Impax Asset Management Group plc | 79,200 | $21.4M | 0.09% | +79,200 | New |
| Vestcor Inc | 79,006 | $21.3M | 0.72% | −20,405−20.5% | Reduced |
| Oppenheimer Asset Management Inc. | 77,912 | $21.0M | 0.30% | +10,205+15.1% | Added |
| Polar Asset Management Partners Inc. | 77,100 | $20.8M | 0.26% | −70,752−47.9% | Reduced |
| Metropolitan Life Insurance Co | 76,676 | $20.7M | 0.29% | −773−1.0% | Reduced |
| MAI Capital Management | 76,625 | $20.7M | 0.42% | +2,366+3.2% | Added |
| Middleton & Co Inc | 76,301 | $20.6M | 2.23% | −5,344−6.5% | Reduced |
| Gilder Gagnon Howe & Co LLC | 75,667 | $20.4M | 0.10% | −756−1.0% | Reduced |
| Texas Permanent School Fund | 75,538 | $20.4M | 0.24% | +1,334+1.8% | Added |