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 |
|---|---|---|---|---|---|
| Rathbone Brothers plc | 512,409 | $88.4M | 0.35% | +38,193+8.1% | Added |
| Prudential Financial Inc | 507,959 | $87.7M | 0.11% | +198,335+64.1% | Added |
| Douglass Winthrop Advisors, LLC | 502,932 | $86.8M | 1.59% | −5,953−1.2% | Reduced |
| Liontrust Investment Partners LLP | 490,236 | $84.6M | 1.44% | −45,127−8.4% | Reduced |
| Ensign Peak Advisors, Inc | 485,269 | $83.7M | 0.16% | −221,671−31.4% | Reduced |
| Bank of Montreal | 479,074 | $82.7M | 0.03% | −80,568−14.4% | Reduced |
| Vontobel Holding Ltd. | 478,684 | $82.6M | 0.28% | −417,612−46.6% | Reduced |
| Blair William & Co | 470,128 | $81.1M | 0.23% | −208,116−30.7% | Reduced |
| Vanguard Investments Australia, Ltd. | 469,600 | $81.0M | 0.23% | +469,600 | New |
| Great Lakes Advisors, LLC | 449,607 | $77.6M | 0.64% | +18,560+4.3% | Added |
| Mariner, LLC | 447,765 | $77.3M | 0.09% | −24,972−5.3% | Reduced |
| Maryland State Retirement & Pension System | 446,060 | $77.0M | 1.56% | −18,705−4.0% | Reduced |
| Border to Coast Pensions Partnership Ltd | 437,005 | $75.6M | 1.28% | +37,241+9.3% | Added |
| Douglas Lane & Associates, LLC | 437,647 | $75.5M | 1.09% | +4,953+1.1% | Added |
| Antipodes Partners Ltd | 436,946 | $75.4M | 1.45% | +29,789+7.3% | Added |
| Balyasny Asset Management LLC | 435,448 | $75.1M | 0.15% | +157,050+56.4% | Added |
| National Bank of Canada | 420,119 | $72.5M | 0.07% | −209,513−33.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 419,405 | $72.4M | 0.11% | −3,200−0.8% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 419,403 | $72.4M | 0.12% | −109,255−20.7% | Reduced |
| Avenir Corp | 415,352 | $71.7M | 8.74% | −2,360−0.6% | Reduced |
| State Board of Administration of Florida Retirement System | 410,850 | $70.9M | 0.13% | −471−0.1% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 407,551 | $70.3M | 0.37% | −964−0.2% | Reduced |
| TCW Group Inc | 405,473 | $70.0M | 0.53% | +86,190+27.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 403,735 | $69.9M | 0.12% | −62,071−13.3% | Reduced |
| The PNC Financial Services Group, Inc. | 404,541 | $69.8M | 0.04% | +11,946+3.0% | Added |
| Colony Group, LLC | 400,249 | $69.0M | 0.08% | +29,528+8.0% | Added |
| Los Angeles Capital Management LLC | 397,482 | $68.6M | 0.27% | +214,870+117.7% | Added |
| First Financial Bankshares Inc | 394,575 | $68.1M | 1.38% | +139,334+54.6% | Added |
| Pictet Asset Management Holding SA | 392,261 | $67.7M | 0.07% | −10,437−2.6% | Reduced |
| Federation des caisses Desjardins du Quebec | 390,156 | $67.3M | 0.24% | +14,813+3.9% | Added |
| Intech Investment Management LLC | 376,931 | $65.1M | 0.64% | +87,365+30.2% | Added |
| Stifel Financial Corp | 374,033 | $64.6M | 0.06% | +66,861+21.8% | Added |
| Fort Washington Investment Advisors Inc | 366,299 | $63.2M | 0.35% | +20,661+6.0% | Added |
| New York State Teachers Retirement System | 363,543 | $62.7M | 0.13% | 00.0% | Unchanged |
| Retirement Systems of Alabama | 360,489 | $62.2M | 0.21% | −724−0.2% | Reduced |
| Janney Montgomery Scott LLC | 354,150 | $61.1M | 0.15% | +111,196+45.8% | Added |
| Jones Financial Companies LLLP | 357,095 | $60.8M | 0.03% | +132,860+59.3% | Added |
| Teacher Retirement System of Texas | 347,326 | $59.9M | 0.25% | +81,321+30.6% | Added |
| Evercore Wealth Management, LLC | 346,150 | $59.7M | 0.94% | −11,366−3.2% | Reduced |
| HRT Financial LP | 336,091 | $58.0M | 0.14% | +165,755+97.3% | Added |
| Partners Group Holding AG | 324,869 | $56.1M | 4.15% | +11,744+3.8% | Added |
| Pacer Advisors, Inc. | 317,687 | $54.8M | 0.16% | −27,111−7.9% | Reduced |
| Centersquare Investment Management LLC | 316,416 | $54.6M | 0.56% | −37,120−10.5% | Reduced |
| Alyeska Investment Group, L.P. | 303,834 | $52.4M | 0.15% | +303,834 | New |
| PFA Pension, Forsikringsaktieselskab | 294,273 | $50.8M | 0.15% | −259−0.1% | Reduced |
| Davis R M Inc | 289,155 | $49.9M | 0.89% | +4,008+1.4% | Added |
| State of Alaska, Department of Revenue | 285,577 | $49.3M | 0.53% | +7,750+2.8% | Added |
| Macquarie Group Ltd | 284,825 | $49.1M | 0.29% | −24,697−8.0% | Reduced |
| Bessemer Group Inc | 282,676 | $48.8M | 0.08% | +12,363+4.6% | Added |
| Massachusetts Financial Services Co | 262,526 | $48.0M | 0.02% | −813,342−75.6% | Reduced |
| Robeco Institutional Asset Management B.V. | 276,833 | $47.8M | 0.07% | +86,642+45.6% | Added |
| APG Asset Management N.V. | 312,408 | $46.8M | 0.15% | +19,616+6.7% | Added |
| Huntington National Bank | 268,211 | $46.3M | 0.26% | +1,564+0.6% | Added |
| KBC Group NV | 260,181 | $44.9M | 0.11% | +29,631+12.9% | Added |
| Danske Bank A/S | 259,178 | $44.7M | 0.11% | +11,653+4.7% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 257,574 | $44.5M | 0.04% | −7,462−2.8% | Reduced |
| State of Wisconsin Investment Board | 250,695 | $43.3M | 0.10% | +8,120+3.3% | Added |
| Captrust Financial Advisors | 248,471 | $42.9M | 0.08% | +27,733+12.6% | Added |
| UniSuper Management Pty Ltd | 244,990 | $42.3M | 0.28% | −67,665−21.6% | Reduced |
| Cetera Investment Advisers | 243,488 | $42.0M | 0.04% | +61,421+33.7% | Added |
| Nomura Asset Management International Inc. | 241,142 | $41.6M | 0.07% | −135,506−36.0% | Reduced |
| Royal London Asset Management Ltd | 234,890 | $40.5M | 0.09% | −5,699−2.4% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 234,414 | $40.5M | 0.12% | −2,965−1.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 234,355 | $40.4M | 0.09% | +461+0.2% | Added |
| ASR Vermogensbeheer N.V. | 232,177 | $40.1M | 0.47% | +6,663+3.0% | Added |
| Factory Mutual Insurance Co | 227,700 | $39.3M | 0.44% | +5,800+2.6% | Added |
| Perpetual Ltd | 226,291 | $39.1M | 0.60% | +29,160+14.8% | Added |
| Uniplan Investment Counsel, Inc. | 221,379 | $38.2M | 3.92% | −16,674−7.0% | Reduced |
| Brookfield Asset Management Inc. | 218,234 | $37.7M | 0.05% | +1,550+0.7% | Added |
| J. Stern & Co. LLP | 215,977 | $37.3M | 3.61% | −37,471,001−99.4% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 213,093 | $36.8M | 0.08% | +9,125+4.5% | Added |
| King Luther Capital Management Corp | 212,542 | $36.7M | 0.16% | −2,544−1.2% | Reduced |
| TD Asset Management Inc | 212,155 | $36.6M | 0.03% | +26,494+14.3% | Added |
| CIBC World Markets Inc. | 211,340 | $36.5M | 0.06% | −111,475−34.5% | Reduced |
| M&T Bank Corp | 211,187 | $36.4M | 0.12% | +3,057+1.5% | Added |
| Fisher Funds Management LTD | 209,470 | $36.2M | 1.06% | −78,211−27.2% | Reduced |
| State of New Jersey Common Pension Fund D | 204,889 | $35.4M | 0.14% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 202,353 | $34.9M | 0.12% | −1,180−0.6% | Reduced |
| Cincinnati Financial Corp | 201,619 | $34.8M | 0.70% | 00.0% | Unchanged |
| Asset Management One Co.,Ltd. | 201,402 | $34.8M | 0.10% | −1,805−0.9% | Reduced |
| Fairview Capital Investment Management, LLC | 200,531 | $34.6M | 1.88% | −8,194−3.9% | Reduced |
| Treasurer of the State of North Carolina | 200,260 | $34.6M | 0.11% | +4,266+2.2% | Added |
| Pacific Heights Asset Management LLC | 200,000 | $34.5M | 1.16% | 00.0% | Unchanged |
| First Manhattan Co | 195,448 | $33.7M | 0.09% | −5,226−2.6% | Reduced |
| RWC Asset Management LLP | 194,019 | $33.5M | 1.40% | −6,925−3.4% | Reduced |
| Eurizon Capital SGR S.p.A. | 194,164 | $33.4M | 0.10% | −33,566−14.7% | Reduced |
| HighTower Advisors, LLC | 193,323 | $33.4M | 0.04% | +19,788+11.4% | Added |
| Allspring Global Investments Holdings, LLC | 194,145 | $33.2M | 0.06% | −153−0.1% | Reduced |
| Voya Investment Management LLC | 191,921 | $33.1M | 0.03% | −8,680−4.3% | Reduced |
| Jain Global LLC | 191,564 | $33.1M | 0.42% | +191,564 | New |
| Korea Investment CORP | 190,136 | $32.8M | 0.07% | −151,571−44.4% | Reduced |
| Nearwater Capital Markets, Ltd | 190,000 | $32.8M | 0.77% | +190,000 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 189,914 | $32.8M | 0.08% | −47,228−19.9% | Reduced |
| Van Eck Associates Corp | 189,630 | $32.7M | 0.02% | +12,795+7.2% | Added |
| British Columbia Investment Management Corp | 188,612 | $32.6M | 0.19% | +14,829+8.5% | Added |
| Natixis Advisors, L.P. | 188,486 | $32.5M | 0.05% | −8,500−4.3% | Reduced |
| Toronto Dominion Bank | 186,975 | $32.3M | 0.06% | −450,419−70.7% | Reduced |
| Public Employees Retirement System of Ohio | 185,930 | $32.1M | 0.10% | −798−0.4% | Reduced |
| Verition Fund Management LLC | 185,666 | $32.0M | 0.31% | +156,628+539.4% | Added |
| Exchange Traded Concepts, LLC | 181,980 | $31.4M | 0.24% | +15,185+9.1% | Added |