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, Q4 2021
Institutional positions in American Tower Corp as of Dec 31, 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
- 1,799
- +146 vs. Q3 2021
- Shares held
- 417.0M
- +4.68M (+1.1%) vs. Q3 2021
- Total value
- $121.8B
- +$12.3B (+11.2%) vs. Q3 2021
- New holders
- 256
- 787 more added
- Sold out
- 110
- 503 more reduced
25 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HighTower Advisors, LLC | 177,101 | $51.8M | 0.11% | +58,366+49.2% | Added |
| Victory Capital Management Inc | 175,061 | $51.2M | 0.05% | −983−0.6% | Reduced |
| Mariner, LLC | 173,312 | $50.7M | 0.21% | +140,986+436.1% | Added |
| Teacher Retirement System of Texas | 170,827 | $50.0M | 0.22% | +43,526+34.2% | Added |
| EP Wealth Advisors, LLC | 168,798 | $49.4M | 1.17% | +6,411+3.9% | Added |
| Rockefeller Capital Management L.P. | 164,832 | $48.2M | 0.22% | +10,518+6.8% | Added |
| ProShare Advisors LLC | 162,848 | $47.6M | 0.09% | +28,553+21.3% | Added |
| Rheos Capital Works Inc. | 162,600 | $47.6M | 2.08% | −125,000−43.5% | Reduced |
| Clal Insurance Enterprises Holdings Ltd | 161,076 | $47.3M | 0.51% | +37,576+30.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 161,411 | $47.2M | 0.23% | +11,146+7.4% | Added |
| DekaBank Deutsche Girozentrale | 162,354 | $46.8M | 0.11% | +53,005+48.5% | Added |
| Gateway Investment Advisers LLC | 158,984 | $46.5M | 0.44% | −843−0.5% | Reduced |
| Calamos Advisors LLC | 156,363 | $45.7M | 0.18% | +3,251+2.1% | Added |
| Aureus Asset Management, LLC | 156,217 | $45.7M | 2.82% | +2,032+1.3% | Added |
| Klingenstein Fields & Co LP | 154,840 | $45.3M | 1.82% | −1,091−0.7% | Reduced |
| Westpac Banking Corp | 153,853 | $45.0M | 0.47% | −63,148−29.1% | Reduced |
| Loomis Sayles & Co L P | 150,652 | $44.1M | 0.05% | −20,735−12.1% | Reduced |
| American International Group, Inc. | 150,226 | $43.9M | 0.22% | −294−0.2% | Reduced |
| Penserra Capital Management LLC | 149,315 | $43.7M | 0.93% | +23,002+18.2% | Added |
| Public Sector Pension Investment Board | 148,991 | $43.6M | 0.24% | −25,790−14.8% | Reduced |
| Guggenheim Capital LLC | 146,688 | $42.9M | 0.23% | +1,335+0.9% | Added |
| Dearborn Partners LLC | 144,524 | $42.3M | 1.53% | +130.0% | Added |
| Baird Financial Group, Inc. | 144,013 | $42.1M | 0.10% | +4,288+3.1% | Added |
| Schroder Investment Management Group | 142,696 | $41.7M | 0.06% | +14,904+11.7% | Added |
| Greenleaf Trust | 140,911 | $41.2M | 0.48% | +2,365+1.7% | Added |
| Commonwealth Equity Services, LLC | 140,573 | $41.1M | 0.09% | +16,826+13.6% | Added |
| Advisor Group Holdings, Inc. | 140,649 | $41.1M | 0.08% | +9,491+7.2% | Added |
| Factory Mutual Insurance Co | 169,200 | $40.8M | 0.59% | −38,450−18.5% | Reduced |
| Brown Brothers Harriman & Co | 133,797 | $39.1M | 0.22% | +3,085+2.4% | Added |
| United Capital Financial Advisers, LLC | 132,787 | $38.8M | 0.18% | −3,653−2.7% | Reduced |
| Vontobel Holding Ltd. | 133,252 | $38.8M | 0.32% | +25,546+23.7% | Added |
| Covea Finance | 131,301 | $38.4M | 3.36% | +131,301 | New |
| KBC Group NV | 131,184 | $38.4M | 0.13% | +34,051+35.1% | Added |
| Trillium Asset Management, LLC | 129,040 | $37.7M | 0.89% | +6,079+4.9% | Added |
| Teachers Retirement System of the State of Kentucky | 128,408 | $37.6M | 0.33% | +13,799+12.0% | Added |
| Barton Investment Management | 125,326 | $36.7M | 3.18% | −14,045−10.1% | Reduced |
| Motley Fool Wealth Management, LLC | 124,738 | $36.5M | 1.59% | −1,760−1.4% | Reduced |
| Arizona State Retirement System | 124,654 | $36.5M | 0.28% | −2,143−1.7% | Reduced |
| Carnegie Capital Asset Management, LLC | 124,371 | $36.4M | 1.20% | +918+0.7% | Added |
| Payden & Rygel | 120,860 | $35.4M | 1.63% | +120,860 | New |
| Jennison Associates LLC | 118,279 | $34.6M | 0.02% | −134,640−53.2% | Reduced |
| MUFG Americas Holdings Corp | 118,172 | $34.6M | 0.65% | −1,152−1.0% | Reduced |
| Natixis Advisors, L.P. | 118,158 | $34.6M | 0.13% | +8,937+8.2% | Added |
| Tiaa, FSB | 118,373 | $34.5M | 0.11% | +777+0.7% | Added |
| Boston Financial Mangement LLC | 116,632 | $34.1M | 1.24% | +3,419+3.0% | Added |
| Handelsbanken Fonder AB | 116,404 | $34.0M | 0.17% | +1,585+1.4% | Added |
| Forsta Ap-Fonden | 116,300 | $34.0M | 0.34% | −2,200−1.9% | Reduced |
| Thrivent Financial for Lutherans | 116,286 | $33.9M | 0.07% | −6,791−5.5% | Reduced |
| Amalgamated Bank | 115,051 | $33.7M | 0.25% | +13,718+13.5% | Added |
| State of Michigan Retirement System | 114,695 | $33.5M | 0.18% | +400+0.3% | Added |
| Janney Montgomery Scott LLC | 113,957 | $33.3M | 0.13% | +3,913+3.6% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 113,684 | $33.3M | 0.29% | +2,459+2.2% | Added |
| Madison Asset Management, LLC | 113,485 | $33.2M | 0.44% | −185,841−62.1% | Reduced |
| Susquehanna International Group, LLP | 112,635 | $32.9M | 0.05% | +17,917+18.9% | Added |
| Boston Family Office LLC | 111,649 | $32.7M | 2.12% | +182+0.2% | Added |
| Presima Inc. | 110,860 | $32.4M | 5.54% | +88,000+385.0% | Added |
| USS Investment Management Ltd | 109,242 | $31.9M | 0.25% | 00.0% | Unchanged |
| Pendal Group Limited | 109,161 | $31.9M | 0.26% | −278,612−71.8% | Reduced |
| DnB Asset Management AS | 106,490 | $31.1M | 0.18% | +19,208+22.0% | Added |
| Man Group plc | 105,885 | $31.0M | 0.10% | +105,885 | New |
| Whittier Trust Co | 104,827 | $30.7M | 0.50% | +1,575+1.5% | Added |
| Baskin Financial Services Inc. | 104,529 | $30.6M | 2.44% | +4,556+4.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 104,196 | $30.5M | 0.07% | +21,331+25.7% | Added |
| First Long Island Investors, LLC | 103,477 | $30.3M | 2.38% | +12,985+14.3% | Added |
| Hazelview Securities Inc. | 105,398 | $30.2M | 3.80% | −38,282−26.6% | Reduced |
| Shell Asset Management Co | 102,766 | $30.1M | 0.62% | +14,513+16.4% | Added |
| RMB Capital Management, LLC | 102,463 | $30.0M | 0.90% | −1,784−1.7% | Reduced |
| Campbell Newman Asset Management Inc | 102,150 | $29.9M | 2.66% | +904+0.9% | Added |
| Mill Capital Management, LLC | 101,811 | $29.8M | 3.05% | +101,811 | New |
| Capital Group Private Client Services, Inc. | 100,736 | $29.5M | 0.31% | −82,763−45.1% | Reduced |
| MetLife Investment Management | 100,621 | $29.4M | 0.24% | −2,178−2.1% | Reduced |
| Alberta Investment Management Corp | 100,200 | $29.3M | 0.18% | −9,900−9.0% | Reduced |
| Nomura Asset Management Co Ltd | 95,498 | $27.9M | 0.14% | +5,598+6.2% | Added |
| Boston Private Wealth LLC | 94,922 | $27.8M | 0.46% | +7,960+9.2% | Added |
| Agf Investments Inc. | 94,840 | $27.7M | 0.20% | +2,066+2.2% | Added |
| Comerica Bank | 110,147 | $27.6M | 0.20% | −2,985−2.6% | Reduced |
| Barr E S & Co | 93,933 | $27.5M | 1.83% | −1,298−1.4% | Reduced |
| Xponance, Inc. | 93,419 | $27.3M | 0.43% | +6,534+7.5% | Added |
| GEM Realty Capital | 93,272 | $27.3M | 6.59% | +54,096+138.1% | Added |
| Securian Asset Management, Inc | 92,957 | $27.2M | 0.50% | −2,890−3.0% | Reduced |
| Bank of Nova Scotia | 89,645 | $26.2M | 0.04% | +13,643+18.0% | Added |
| Raub Brock Capital Management LP | 98,765 | $26.2M | 3.98% | 00.0% | Unchanged |
| Employees Retirement System of Texas | 89,500 | $26.2M | 0.29% | 00.0% | Unchanged |
| Border to Coast Pensions Partnership Ltd | 88,587 | $25.9M | 0.87% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 87,712 | $25.7M | 0.27% | +87,712 | New |
| Financial Counselors Inc | 87,667 | $25.6M | 0.53% | −4,632−5.0% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 86,099 | $25.1M | 0.13% | −4,916−5.4% | Reduced |
| Gulf International Bank (UK) Ltd | 85,060 | $24.9M | 0.35% | −15,054−15.0% | Reduced |
| Cavalry Management Group, LLC | 83,102 | $24.3M | 2.82% | +83,102 | New |
| Stock Yards Bank & Trust Co | 82,949 | $24.3M | 1.28% | +1,133+1.4% | Added |
| Utah Retirement Systems | 81,898 | $24.0M | 0.30% | +200+0.2% | Added |
| Sit Investment Associates Inc | 81,529 | $23.8M | 0.56% | +5,979+7.9% | Added |
| Ossiam | 81,356 | $23.8M | 0.62% | +81,020+24,113.1% | Added |
| British Columbia Investment Management Corp | 80,009 | $23.4M | 0.13% | −4,074−4.8% | Reduced |
| Fulton Breakefield Broenniman LLC | 79,805 | $23.3M | 1.73% | +445+0.6% | Added |
| MAI Capital Management | 79,540 | $23.3M | 0.38% | +631+0.8% | Added |
| Impax Asset Management Group plc | 79,200 | $23.2M | 0.08% | 00.0% | Unchanged |
| Cohen Klingenstein LLC | 78,609 | $23.0M | 0.91% | −8,175−9.4% | Reduced |
| Heritage Investors Management Corp | 76,744 | $22.4M | 0.87% | −120.0% | Reduced |
| Middleton & Co Inc | 75,997 | $22.2M | 2.17% | +208+0.3% | Added |