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 2025
Institutional positions in American Tower Corp as of Dec 31, 2025. 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
- 1,781
- +27 vs. Q3 2025
- Shares held
- 475.7M
- +47.9M (+11.2%) vs. Q3 2025
- Total value
- $77.0B
- −$5.27B (−6.4%) vs. Q3 2025
- New holders
- 209
- 572 more added
- Sold out
- 182
- 819 more reduced
45 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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 | 1,851 | $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, Q4 2025
Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| California State Teachers Retirement System | 698,720 | $122.7M | 0.12% | −24,239−3.4% | Reduced |
| Ensign Peak Advisors, Inc | 706,940 | $124.1M | 0.22% | −5,831−0.8% | Reduced |
| Russell Investments Group, Ltd. | 727,150 | $127.7M | 0.14% | −172,927−19.2% | Reduced |
| Wellington Management Group LLP | 731,887 | $128.5M | 0.02% | −1,865,771−71.8% | Reduced |
| Cbre Clarion Securities LLC | 788,920 | $138.5M | 2.03% | +125,085+18.8% | Added |
| SEI Investments Co | 803,494 | $141.1M | 0.14% | +2,159+0.3% | Added |
| Storebrand Asset Management AS | 816,847 | $143.4M | 0.39% | +20,411+2.6% | Added |
| Standard Life Aberdeen plc | 824,998 | $144.8M | 0.22% | +98,347+13.5% | Added |
| US Bancorp | 877,243 | $154.0M | 0.18% | −98,868−10.1% | Reduced |
| Vontobel Holding Ltd. | 896,296 | $157.4M | 0.52% | −174,310−16.3% | Reduced |
| Sarasin & Partners LLP | 900,401 | $158.1M | 1.64% | +36,571+4.2% | Added |
| Duff & Phelps Investment Management Co | 917,855 | $161.1M | 1.83% | +7,604+0.8% | Added |
| BNP Paribas Arbitrage, SA | 933,233 | $163.8M | 0.10% | −254,468−21.4% | Reduced |
| Allianz Asset Management GmbH | 947,248 | $166.3M | 0.19% | +339,273+55.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 972,099 | $170.7M | 0.86% | +53,150+5.8% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 992,378 | $173.5M | 0.12% | +53,131+5.7% | Added |
| Great West Life Assurance Co | 999,506 | $175.6M | 0.31% | −18,323−1.8% | Reduced |
| Raymond James Financial Inc | 1,003,973 | $176.3M | 0.05% | −125,899−11.1% | Reduced |
| Rhumbline Advisers | 1,004,217 | $176.3M | 0.14% | −27,665−2.7% | Reduced |
| Davenport & Co LLC | 1,052,121 | $185.1M | 1.00% | +180,466+20.7% | Added |
| Magellan Asset Management Ltd | 1,071,779 | $188.2M | 2.29% | +66,628+6.6% | Added |
| Massachusetts Financial Services Co | 1,075,868 | $188.9M | 0.06% | −1,943,111−64.4% | Reduced |
| M&G Plc | 1,075,131 | $189.2M | 0.97% | +65,605+6.5% | Added |
| Citadel Advisors LLC | 1,099,661 | $193.1M | 0.13% | +544,089+97.9% | Added |
| SG Americas Securities, LLC | 1,111,950 | $195.2M | 0.26% | +1,096,361+7,032.9% | Added |
| Man Group plc | 1,120,762 | $196.8M | 0.38% | +517,719+85.9% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,123,616 | $197.3M | 0.23% | +155,839+16.1% | Added |
| Heard Capital LLC | 1,162,440 | $204.1M | 9.58% | +146,075+14.4% | Added |
| CIBC Private Wealth Group, LLC | 1,166,450 | $204.8M | 0.35% | −252,845−17.8% | Reduced |
| California Public Employees Retirement System | 1,206,390 | $211.8M | 0.12% | −142,307−10.6% | Reduced |
| Two Sigma Investments, LP | 1,216,424 | $213.6M | 0.32% | +411,663+51.2% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,219,150 | $214.0M | 0.13% | −23,464−1.9% | Reduced |
| Swiss National Bank | 1,283,100 | $225.3M | 0.13% | −66,400−4.9% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 1,288,720 | $232.1M | 2.10% | −89,192−6.5% | Reduced |
| D. E. Shaw & Co., Inc. | 1,377,481 | $241.8M | 0.18% | +1,227,413+817.9% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 1,434,488 | $251.9M | 0.84% | −155,947−9.8% | Reduced |
| Barclays PLC | 1,455,379 | $255.5M | 0.10% | −128,845−8.1% | Reduced |
| AQR Capital Management LLC | 1,458,493 | $256.1M | 0.13% | +1,102,275+309.4% | Added |
| Royal Bank of Canada | 1,465,403 | $257.3M | 0.05% | +76,982+5.5% | Added |
| Neuberger Berman Group LLC | 1,486,612 | $261.0M | 0.19% | −219,661−12.9% | Reduced |
| National Pension Service | 1,547,892 | $271.8M | 0.20% | +307,622+24.8% | Added |
| HSBC Holdings PLC | 1,713,268 | $301.0M | 0.17% | +161,424+10.4% | Added |
| Nordea Investment Management AB | 1,743,321 | $306.3M | 0.26% | +164,645+10.4% | Added |
| Fisher Asset Management, LLC | 1,779,533 | $312.4M | 0.11% | −55,475−3.0% | Reduced |
| Cantillon Capital Management LLC | 1,830,525 | $321.4M | 1.74% | +14,709+0.8% | Added |
| American Century Companies Inc | 1,966,208 | $345.2M | 0.17% | +73,912+3.9% | Added |
| Canada Pension Plan Investment Board | 2,197,273 | $385.8M | 0.26% | +1,563,784+246.9% | Added |
| Manufacturers Life Insurance Company, The | 2,506,569 | $440.1M | 0.36% | +1,300,219+107.8% | Added |
| Bank of New York Mellon Corp | 2,715,852 | $476.8M | 0.08% | −42,758−1.5% | Reduced |
| Wells Fargo & Company | 3,011,496 | $528.7M | 0.10% | −150,962−4.8% | Reduced |
| Amundi | 3,166,557 | $556.0M | 0.15% | +1,048,707+49.5% | Added |
| Clearbridge Investments, LLC | 3,234,980 | $568.0M | 0.45% | −442,239−12.0% | Reduced |
| UBS Group AG | 3,734,921 | $655.7M | 0.13% | +58,808+1.6% | Added |
| Goldman Sachs Group Inc | 3,862,380 | $678.1M | 0.10% | −1,475,505−27.6% | Reduced |
| Capital International Investors | 3,871,368 | $679.7M | 0.11% | +2,364,898+157.0% | Added |
| Capital Research Global Investors | 3,922,588 | $688.7M | 0.13% | −1,002,183−20.3% | Reduced |
| Bank of America Corp | 3,944,763 | $692.6M | 0.05% | −44,476−1.1% | Reduced |
| Nuveen, LLC | 3,972,648 | $697.5M | 0.18% | −106,107−2.6% | Reduced |
| Ameriprise Financial Inc | 4,040,337 | $709.4M | 0.16% | −127,877−3.1% | Reduced |
| Capital World Investors | 4,221,091 | $741.1M | 0.10% | +12,382+0.3% | Added |
| UBS Asset Management Americas Inc | 4,254,727 | $747.0M | 0.16% | −175,954−4.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 4,269,144 | $749.5M | 0.44% | +1,473,137+52.7% | Added |
| Legal & General Group Plc | 4,873,695 | $855.7M | 0.19% | +220,447+4.7% | Added |
| Charles Schwab Investment Management Inc | 5,102,069 | $895.8M | 0.14% | −454,745−8.2% | Reduced |
| Franklin Resources Inc | 5,338,399 | $937.3M | 0.23% | −37,031−0.7% | Reduced |
| Northern Trust Corp | 5,353,004 | $939.8M | 0.12% | −64,138−1.2% | Reduced |
| Price T Rowe Associates Inc | 5,666,920 | $994.9M | 0.11% | −530,095−8.6% | Reduced |
| Principal Financial Group Inc | 6,038,061 | $1.06B | 0.54% | +57,545+1.0% | Added |
| Lazard Asset Management LLC | 6,085,163 | $1.07B | 1.81% | +1,620,781+36.3% | Added |
| Dimensional Fund Advisors LP | 6,283,130 | $1.10B | 0.23% | −74,712−1.2% | Reduced |
| Norges Bank | 6,670,729 | $1.17B | 0.13% | +6,670,729 | New |
| Deutsche Bank AG | 6,909,301 | $1.21B | 0.40% | −626,144−8.3% | Reduced |
| Invesco Ltd. | 6,948,190 | $1.22B | 0.12% | +59,557+0.9% | Added |
| Morgan Stanley | 9,807,651 | $1.72B | 0.10% | −226,008−2.3% | Reduced |
| FMR LLC | 12,018,839 | $2.11B | 0.11% | −228,694−1.9% | Reduced |
| Cohen & Steers, Inc. | 12,487,087 | $2.19B | 3.96% | −1,014,285−7.5% | Reduced |
| Geode Capital Management, LLC | 13,499,035 | $2.36B | 0.15% | +227,361+1.7% | Added |
| JPMorgan Chase & Co | 14,412,242 | $2.53B | 0.17% | −966,346−6.3% | Reduced |
| State Street Corp | 20,987,534 | $3.72B | 0.12% | +71,605+0.3% | Added |
| BlackRock, Inc. | 44,034,756 | $7.73B | 0.13% | −1,368,793−3.0% | Reduced |
| Vanguard Group Inc | 63,757,586 | $11.2B | 0.16% | +117,418+0.2% | Added |
| Samlyn Capital, LLC | 0 | $0 | 0.00% | −320,592−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −225,431−100.0% | Sold out |
| Benchstone Capital Management LP | 0 | $0 | 0.00% | −155,638−100.0% | Sold out |
| Georgetown University | 0 | $0 | 0.00% | −46,780−100.0% | Sold out |
| Gillson Capital LP | 0 | $0 | 0.00% | −43,700−100.0% | Sold out |
| Blue Door Asset Management, LLC | 0 | $0 | 0.00% | −37,300−100.0% | Sold out |
| Strategic Planning Group, LLC | 0 | $0 | 0.00% | −33,005−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −30,960−100.0% | Sold out |
| Slow Capital, Inc. | 0 | $0 | 0.00% | −29,722−100.0% | Sold out |
| DuPont Capital Management Corp | 0 | $0 | 0.00% | −29,335−100.0% | Sold out |
| BLI - Banque de Luxembourg Investments | 0 | $0 | 0.00% | −25,500−100.0% | Sold out |
| NJ State Employees Deferred Compensation Plan | 0 | $0 | 0.00% | −25,200−100.0% | Sold out |
| Baskin Financial Services Inc. | 0 | $0 | 0.00% | −23,798−100.0% | Sold out |
| Achmea Investment Management B.V. | 0 | $0 | 0.00% | −22,797−100.0% | Sold out |
| Timber Creek Capital Management LLC | 0 | $0 | 0.00% | −19,389−100.0% | Sold out |
| Carrera Capital Advisors | 0 | $0 | 0.00% | −17,060−100.0% | Sold out |
| Cornerstone Advisors, LLC | 0 | $0 | 0.00% | −15,700−100.0% | Sold out |
| Catalytic Wealth RIA, LLC | 0 | $0 | 0.00% | −14,836−100.0% | Sold out |
| Annandale Capital, LLC | 0 | $0 | 0.00% | −14,453−100.0% | Sold out |