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 | 1,852 | $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 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 |
|---|---|---|---|---|---|
| Tobam | 26,925 | $4.73M | 1.16% | +756+2.9% | Added |
| RMB Capital Management, LLC | 26,091 | $4.62M | 0.08% | −6,104−19.0% | Reduced |
| Toroso Investments, LLC | 26,268 | $4.61M | 0.02% | +15,847+152.1% | Added |
| Norinchukin Bank, The | 25,725 | $4.52M | 0.05% | +1,235+5.0% | Added |
| Naviter Wealth, LLC | 24,946 | $4.42M | 0.58% | −8,041−24.4% | Reduced |
| Atria Investments LLC | 24,833 | $4.36M | 0.05% | −7,162−22.4% | Reduced |
| Horizon Investments, LLC | 24,773 | $4.35M | 0.06% | −663−2.6% | Reduced |
| MidFirst Bank | 24,590 | $4.32M | 0.34% | +24,590 | New |
| Gamco Investors, Inc. Et Al | 24,568 | $4.31M | 0.04% | −723−2.9% | Reduced |
| Perryman Financial Advisory Inc | 24,550 | $4.31M | 0.63% | +24,550 | New |
| M. Kulyk & Associates, LLC | 24,488 | $4.30M | 0.82% | +1,843+8.1% | Added |
| Lockheed Martin Investment Management Co | 24,340 | $4.27M | 0.14% | +2,520+11.5% | Added |
| Clearstead Advisors, LLC | 24,012 | $4.22M | 0.05% | +3,835+19.0% | Added |
| Louisiana State Employees Retirement System | 23,900 | $4.20M | 0.07% | −700−2.8% | Reduced |
| Sitrin Capital Management LLC | 23,645 | $4.19M | 1.99% | +23,645 | New |
| Alta Capital Management LLC | 23,733 | $4.17M | 0.28% | −1,328−5.3% | Reduced |
| Diversified Trust Co | 23,625 | $4.15M | 0.08% | +4,643+24.5% | Added |
| Heritage Trust Co | 23,518 | $4.13M | 0.42% | −1,787−7.1% | Reduced |
| Gulf International Bank (UK) Ltd | 23,394 | $4.11M | 0.13% | 00.0% | Unchanged |
| Liberty Capital Management, Inc. | 23,320 | $4.09M | 0.76% | +272+1.2% | Added |
| Hamilton Capital Partners Inc. | 23,256 | $4.08M | 0.15% | +2,528+12.2% | Added |
| GSI Capital Advisors LLC | 23,248 | $4.08M | 2.29% | +3,979+20.6% | Added |
| Merit Financial Group, LLC | 23,212 | $4.08M | 0.03% | +8,758+60.6% | Added |
| Virtu Financial LLC | 22,964 | $4.03M | 0.16% | −1,417−5.8% | Reduced |
| Hantz Financial Services, Inc. | 22,934 | $4.03M | 0.06% | −1,834−7.4% | Reduced |
| Twinbeech Capital LP | 22,800 | $4.00M | 0.28% | +22,800 | New |
| Resolution Capital Ltd | 22,789 | $4.00M | 0.09% | +15,172+199.2% | Added |
| Charter Trust Co | 22,474 | $3.95M | 0.23% | −992−4.2% | Reduced |
| QRG Capital Management, Inc. | 22,373 | $3.93M | 0.04% | −5,082−18.5% | Reduced |
| Wesbanco Bank Inc | 22,366 | $3.93M | 0.11% | −137−0.6% | Reduced |
| Cape Cod Five Cents Savings Bank | 16,720 | $3.89M | 0.36% | 00.0% | Unchanged |
| Bank Julius Baer & Co. Ltd, Zurich | 21,739 | $3.84M | 0.01% | +8,155+60.0% | Added |
| Bogart Wealth, LLC | 21,850 | $3.84M | 0.15% | −35,573−61.9% | Reduced |
| Ables, Iannone, Moore & Associates, Inc. | 21,731 | $3.82M | 2.09% | +4,858+28.8% | Added |
| Siemens Fonds Invest GmbH | 21,573 | $3.81M | 0.20% | −2,725−11.2% | Reduced |
| We Are One Seven, LLC | 21,531 | $3.78M | 0.08% | +2,253+11.7% | Added |
| Algert Global LLC | 21,498 | $3.77M | 0.06% | +7,019+48.5% | Added |
| New Mexico Educational Retirement Board | 21,368 | $3.75M | 0.11% | +200+0.9% | Added |
| Jupiter Wealth Management LLC | 19,838 | $3.73M | 1.66% | 00.0% | Unchanged |
| Value Partners Investments Inc. | 21,199 | $3.72M | 0.29% | +3,300+18.4% | Added |
| Koa Wealth Management, LLC | 21,200 | $3.72M | 2.56% | +2,047+10.7% | Added |
| Intact Investment Management Inc. | 21,200 | $3.72M | 0.11% | +3,700+21.1% | Added |
| TCG Advisory Services, LLC | 21,143 | $3.71M | 0.10% | +4,755+29.0% | Added |
| Appleton Partners Inc | 20,804 | $3.65M | 0.24% | −822−3.8% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 20,637 | $3.62M | 0.09% | 00.0% | Unchanged |
| Edgar Lomax Co | 20,540 | $3.61M | 0.27% | −505−2.4% | Reduced |
| DoubleLine ETF Adviser LP | 20,533 | $3.60M | 1.08% | −8,075−28.2% | Reduced |
| E. Ohman J:or Asset Management AB | 20,230 | $3.55M | 0.08% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 20,191 | $3.54M | 0.13% | +692+3.5% | Added |
| AG2R la Mondiale Gestion D'Actifs | 20,024 | $3.52M | 0.16% | +1,887+10.4% | Added |
| Bill Few Associates, Inc. | 20,011 | $3.51M | 0.86% | +1,044+5.5% | Added |
| Ostrum Asset Management | 19,930 | $3.50M | 0.17% | +1,374+7.4% | Added |
| Parallel Advisors, LLC | 19,890 | $3.50M | 0.06% | −1,774−8.2% | Reduced |
| Chicago Partners Investment Group LLC | 19,404 | $3.47M | 0.09% | −5,705−22.7% | Reduced |
| Empowered Funds, LLC | 19,732 | $3.46M | 0.06% | −406−2.0% | Reduced |
| FRG Family Wealth Advisors LLC | 19,725 | $3.46M | 0.54% | −1,315−6.3% | Reduced |
| FineMark National Bank & Trust | 19,240 | $3.38M | 0.11% | −2,810−12.7% | Reduced |
| Fayez Sarofim & Co | 19,204 | $3.37M | 0.01% | −31,673−62.3% | Reduced |
| Financiere des Professionnels - Fonds d,investissement inc. | 19,160 | $3.36M | 0.19% | −68,930−78.2% | Reduced |
| Crestwood Advisors Group LLC | 19,159 | $3.36M | 0.06% | −2,206−10.3% | Reduced |
| Wendell David Associates Inc | 19,123 | $3.36M | 0.34% | −16,510−46.3% | Reduced |
| Canal Capital Management, LLC | 18,951 | $3.33M | 0.47% | −12,108−39.0% | Reduced |
| Garrett Investment Advisors LLC | 18,823 | $3.30M | 0.26% | +3,596+23.6% | Added |
| Callan Family Office, LLC | 18,812 | $3.30M | 0.07% | +1,091+6.2% | Added |
| Assenagon Asset Management S.A. | 18,768 | $3.30M | 0.00% | +420+2.3% | Added |
| Longfellow Investment Management Co LLC | 18,763 | $3.29M | 0.74% | +16,728+822.0% | Added |
| Presima Inc. | 18,568 | $3.26M | 1.88% | +358+2.0% | Added |
| Cresset Asset Management, LLC | 18,219 | $3.23M | 0.01% | +1,341+7.9% | Added |
| Atlantic Trust, LLC | 18,389 | $3.23M | 0.51% | −6,088−24.9% | Reduced |
| Westpac Banking Corp | 18,381 | $3.23M | 0.20% | −128−0.7% | Reduced |
| Caisse de Depot Et Placement du Quebec | 18,283 | $3.21M | 0.01% | 00.0% | Unchanged |
| Red Door Wealth Management, LLC | 18,257 | $3.21M | 0.33% | −6,600−26.6% | Reduced |
| Nomura Holdings Inc | 18,169 | $3.19M | 0.01% | −1,311−6.7% | Reduced |
| IFG Advisory, LLC | 18,138 | $3.18M | 0.14% | +1,381+8.2% | Added |
| Johnson Investment Counsel Inc | 18,101 | $3.18M | 0.03% | −5,228−22.4% | Reduced |
| Brevan Howard Capital Management LP | 18,047 | $3.17M | 0.06% | +7,087+64.7% | Added |
| Amica Mutual Insurance Co | 18,029 | $3.16M | 0.28% | 00.0% | Unchanged |
| Knuff & Co LLC | 17,810 | $3.13M | 0.92% | −6,935−28.0% | Reduced |
| Dynamic Advisor Solutions LLC | 17,539 | $3.08M | 0.10% | −1,400−7.4% | Reduced |
| ProVise Management Group, LLC | 17,111 | $3.00M | 0.21% | −605−3.4% | Reduced |
| Northstar Asset Management LLC | 17,057 | $2.99M | 0.64% | −500−2.8% | Reduced |
| Roberts Wealth Advisors, LLC | 16,843 | $2.96M | 0.77% | −11,428−40.4% | Reduced |
| Omers Administration Corp | 16,742 | $2.94M | 0.02% | −400−2.3% | Reduced |
| Perkins Coie Trust Co | 16,716 | $2.93M | 0.55% | −532−3.1% | Reduced |
| Thompson Investment Management, Inc. | 16,540 | $2.90M | 0.36% | +1,339+8.8% | Added |
| Second Line Capital, LLC | 16,373 | $2.90M | 0.60% | +567+3.6% | Added |
| Dark Forest Capital Management LP | 16,528 | $2.90M | 0.13% | +2,023+13.9% | Added |
| Kinneret Advisory, LLC | 16,285 | $2.89M | 0.24% | −445−2.7% | Reduced |
| Premier Fund Managers Ltd | 16,109 | $2.85M | 0.16% | +1,400+9.5% | Added |
| Stevens Capital Management LP | 16,142 | $2.83M | 1.00% | −7,342−31.3% | Reduced |
| Westwood Holdings Group Inc. | 16,138 | $2.83M | 0.02% | −3,902−19.5% | Reduced |
| North Dakota State Investment Board | 16,041 | $2.82M | 0.10% | +16,041 | New |
| Compass Wealth Management LLC | 16,038 | $2.82M | 0.70% | +20.0% | Added |
| Hunter Perkins Capital Management, LLC | 15,781 | $2.80M | 0.65% | +11+0.1% | Added |
| Plato Investment Management Ltd | 15,802 | $2.79M | 0.18% | +2,875+22.2% | Added |
| First National Bank of Omaha | 15,855 | $2.78M | 0.08% | −363−2.2% | Reduced |
| Commerce Bank | 15,741 | $2.76M | 0.02% | −1,360−8.0% | Reduced |
| Tokio Marine Asset Management Co Ltd | 15,732 | $2.76M | 0.10% | +27+0.2% | Added |
| NewEdge Wealth, LLC | 15,719 | $2.76M | 0.03% | +4,068+34.9% | Added |
| Simmons Bank | 15,673 | $2.75M | 0.18% | +421+2.8% | Added |