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 2026
Institutional positions in American Tower Corp as of Jun 30, 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
- 1,757
- +22 vs. Q1 2026
- Shares held
- 439.8M
- +8.58M (+2.0%) vs. Q1 2026
- Total value
- $72.0B
- −$2.34B (−3.2%) vs. Q1 2026
- New holders
- 175
- 687 more added
- Sold out
- 153
- 673 more reduced
25 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of Wisconsin Investment Board | 280,095 | $45.8M | 0.09% | +29,400+11.7% | Added |
| Holocene Advisors, LP | 281,140 | $46.0M | 0.11% | +251,252+840.6% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 281,781 | $46.1M | 0.10% | −231,871−45.1% | Reduced |
| Ardmore Road Asset Management LP | 282,464 | $46.2M | 2.71% | +282,464 | New |
| Jones Financial Companies LLLP | 268,120 | $46.3M | 0.02% | −88,975−24.9% | Reduced |
| Boothbay Fund Management, LLC | 285,457 | $46.7M | 0.90% | +284,223+23,032.7% | Added |
| Squarepoint Ops LLC | 290,264 | $47.5M | 0.09% | +177,295+156.9% | Added |
| Davis R M Inc | 289,000 | $47.8M | 0.75% | −155−0.1% | Reduced |
| Susquehanna International Group, LLP | 300,908 | $49.2M | 0.04% | +141,466+88.7% | Added |
| Macquarie Group Ltd | 314,603 | $51.5M | 0.22% | +29,778+10.5% | Added |
| Partners Group Holding AG | 317,617 | $52.0M | 3.54% | −7,252−2.2% | Reduced |
| Intech Investment Management LLC | 327,030 | $53.5M | 0.49% | −49,901−13.2% | Reduced |
| Janney Montgomery Scott LLC | 327,631 | $53.6M | 0.10% | −26,519−7.5% | Reduced |
| Centersquare Investment Management LLC | 329,330 | $53.9M | 0.46% | +12,914+4.1% | Added |
| UniSuper Management Pty Ltd | 333,629 | $54.6M | 0.28% | +88,639+36.2% | Added |
| CIBC World Markets Inc. | 337,290 | $55.2M | 0.09% | +125,950+59.6% | Added |
| APG Asset Management N.V. | 386,982 | $55.4M | 0.14% | +74,574+23.9% | Added |
| TCW Group Inc | 339,526 | $55.5M | 0.37% | −65,947−16.3% | Reduced |
| New York State Teachers Retirement System | 343,582 | $56.2M | 0.10% | −19,961−5.5% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 346,012 | $56.6M | 0.08% | −73,391−17.5% | Reduced |
| Pacer Advisors, Inc. | 356,654 | $58.3M | 0.15% | +38,967+12.3% | Added |
| Retirement Systems of Alabama | 358,947 | $58.7M | 0.18% | −1,542−0.4% | Reduced |
| Perpetual Ltd | 363,381 | $59.4M | 0.85% | +137,090+60.6% | Added |
| Fort Washington Investment Advisors Inc | 366,638 | $60.0M | 0.30% | +339+0.1% | Added |
| Stifel Financial Corp | 382,609 | $62.6M | 0.05% | +8,576+2.3% | Added |
| The PNC Financial Services Group, Inc. | 387,290 | $63.3M | 0.03% | −17,251−4.3% | Reduced |
| Colony Group, LLC | 391,017 | $64.0M | 0.07% | −9,232−2.3% | Reduced |
| First Financial Bankshares Inc | 399,557 | $65.4M | 1.22% | +4,982+1.3% | Added |
| State Board of Administration of Florida Retirement System | 402,856 | $65.9M | 0.11% | −7,994−1.9% | Reduced |
| Northwood Liquid Management LP | 405,390 | $66.3M | 4.39% | +405,390 | New |
| Avenir Corp | 407,116 | $66.6M | 8.11% | −8,236−2.0% | Reduced |
| Border to Coast Pensions Partnership Ltd | 409,505 | $66.9M | 0.99% | −27,500−6.3% | Reduced |
| Douglas Lane & Associates, LLC | 418,541 | $68.5M | 0.93% | −19,106−4.4% | Reduced |
| Blair William & Co | 421,304 | $68.9M | 0.18% | −48,824−10.4% | Reduced |
| Two Sigma Investments, LP | 431,852 | $70.6M | 0.05% | −795,037−64.8% | Reduced |
| Korea Investment CORP | 438,103 | $71.7M | 0.14% | +247,967+130.4% | Added |
| HRT Financial LP | 443,074 | $72.5M | 0.13% | +106,983+31.8% | Added |
| Antipodes Partners Ltd | 448,574 | $73.4M | 1.34% | +11,628+2.7% | Added |
| Rathbone Brothers plc | 459,693 | $75.2M | 0.28% | −52,716−10.3% | Reduced |
| Maryland State Retirement & Pension System | 466,562 | $76.3M | 1.31% | +20,502+4.6% | Added |
| Great Lakes Advisors, LLC | 470,536 | $77.0M | 0.59% | +20,929+4.7% | Added |
| Liontrust Investment Partners LLP | 470,771 | $77.0M | 1.13% | −19,465−4.0% | Reduced |
| Vanguard Investments Australia, Ltd. | 480,394 | $78.6M | 0.20% | +10,794+2.3% | Added |
| Voloridge Investment Management, LLC | 480,549 | $78.6M | 0.33% | −310,869−39.3% | Reduced |
| Allianz Asset Management GmbH | 482,190 | $78.9M | 0.07% | −278,498−36.6% | Reduced |
| Adage Capital Partners GP, L.L.C. | 485,205 | $79.4M | 0.11% | +65,800+15.7% | Added |
| Swedbank AB | 489,581 | $80.1M | 0.07% | −463,976−48.7% | Reduced |
| Milford Funds Ltd | 489,853 | $80.1M | 1.30% | −131,165−21.1% | Reduced |
| Ensign Peak Advisors, Inc | 501,885 | $82.1M | 0.13% | +16,616+3.4% | Added |
| Colony Capital, Inc. | 504,843 | $82.6M | 4.97% | +504,843 | New |
| CI Private Wealth, LLC | 505,701 | $82.7M | 0.11% | −41,126−7.5% | Reduced |
| Bank of Montreal | 512,066 | $83.8M | 0.03% | +32,992+6.9% | Added |
| New York State Common Retirement Fund | 514,171 | $84.1M | 0.11% | −15,400−2.9% | Reduced |
| Aviva PLC | 521,699 | $85.3M | 0.13% | +5,254+1.0% | Added |
| Mariner, LLC | 527,605 | $86.3M | 0.09% | +79,840+17.8% | Added |
| Balyasny Asset Management LLC | 537,426 | $87.9M | 0.16% | +101,978+23.4% | Added |
| GEM Realty Capital | 543,575 | $88.9M | 7.51% | +543,575 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 555,473 | $91.1M | 0.14% | +151,738+37.6% | Added |
| DekaBank Deutsche Girozentrale | 535,381 | $91.8M | 0.15% | 00.0% | Unchanged |
| National Bank of Canada | 576,969 | $94.4M | 0.08% | +156,850+37.3% | Added |
| Worldquant Millennium Advisors LLC | 578,111 | $94.6M | 0.32% | +439,231+316.3% | Added |
| Altshuler Shaham Ltd | 610,000 | $99.8M | 1.24% | +610,000 | New |
| Prudential Financial Inc | 643,292 | $105.2M | 0.11% | +135,333+26.6% | Added |
| Lasalle Investment Management Securities LLC | 695,301 | $113.7M | 4.05% | +47,044+7.3% | Added |
| California State Teachers Retirement System | 715,369 | $117.0M | 0.11% | +33,329+4.9% | Added |
| Alliancebernstein L.P. | 701,431 | $121.1M | 0.04% | +45,405+6.9% | Added |
| US Bancorp | 782,414 | $128.0M | 0.14% | −34,403−4.2% | Reduced |
| Wellington Management Group LLP | 792,311 | $129.6M | 0.02% | +44,576+6.0% | Added |
| Heard Capital LLC | 804,848 | $131.6M | 5.63% | −307,257−27.6% | Reduced |
| Alyeska Investment Group, L.P. | 828,424 | $135.5M | 0.35% | +524,590+172.7% | Added |
| Fisher Asset Management, LLC | 828,628 | $135.5M | 0.04% | −907,785−52.3% | Reduced |
| Citigroup Inc | 828,777 | $135.6M | 0.06% | +194,946+30.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 848,826 | $138.8M | 0.67% | −69,438−7.6% | Reduced |
| Sarasin & Partners LLP | 849,693 | $139.0M | 1.63% | −13,473−1.6% | Reduced |
| Point72 Asset Management, L.P. | 853,670 | $139.6M | 0.21% | −351,642−29.2% | Reduced |
| LPL Financial LLC | 863,324 | $141.2M | 0.03% | +14,132+1.7% | Added |
| Storebrand Asset Management AS | 866,530 | $141.7M | 0.35% | +68,928+8.6% | Added |
| Standard Life Aberdeen plc | 888,237 | $145.3M | 0.20% | +35,614+4.2% | Added |
| Vanguard Asset Management, Ltd | 916,093 | $149.8M | 0.10% | +103,143+12.7% | Added |
| SEI Investments Co | 919,264 | $150.4M | 0.13% | +51,846+6.0% | Added |
| Russell Investments Group, Ltd. | 937,745 | $153.9M | 0.14% | −2170.0% | Reduced |
| Rhumbline Advisers | 961,930 | $157.3M | 0.12% | −33,220−3.3% | Reduced |
| Man Group plc | 989,462 | $161.8M | 0.30% | +163,324+19.8% | Added |
| California Public Employees Retirement System | 993,150 | $162.4M | 0.09% | +55,024+5.9% | Added |
| Vanguard Global Advisers, LLC | 1,005,269 | $164.4M | 0.08% | −18,801−1.8% | Reduced |
| Neuberger Berman Group LLC | 1,005,501 | $164.5M | 0.11% | −63,343−5.9% | Reduced |
| Great West Life Assurance Co | 1,026,627 | $167.6M | 0.27% | −4,126−0.4% | Reduced |
| D. E. Shaw & Co., Inc. | 1,028,414 | $168.2M | 0.10% | −103,236−9.1% | Reduced |
| Duff & Phelps Investment Management Co | 1,039,175 | $170.0M | 1.60% | +118,285+12.8% | Added |
| Davenport & Co LLC | 1,049,635 | $171.7M | 0.88% | +22,764+2.2% | Added |
| M&G Plc | 1,061,449 | $174.1M | 0.87% | −54,093−4.8% | Reduced |
| Barclays PLC | 1,091,471 | $178.5M | 0.06% | −164,449−13.1% | Reduced |
| Envestnet Asset Management Inc | 1,103,567 | $180.5M | 0.04% | +69,629+6.7% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 1,131,412 | $185.1M | 1.80% | −85,082−7.0% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 1,138,035 | $186.1M | 0.10% | +72,342+6.8% | Added |
| SG Americas Securities, LLC | 1,140,895 | $186.6M | 0.11% | −241,845−17.5% | Reduced |
| Capital International Investors | 1,146,539 | $187.5M | 0.04% | +2,725+0.2% | Added |
| Qube Research & Technologies Ltd | 1,151,749 | $188.4M | 0.21% | +1,135,828+7,134.1% | Added |
| BNP Paribas Arbitrage, SA | 1,161,390 | $190.0M | 0.10% | −50,901−4.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,162,978 | $190.2M | 0.11% | −57,600−4.7% | Reduced |