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, Q3 2021
Institutional positions in American Tower Corp as of Sep 30, 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
- 1,678
- +47 vs. Q2 2021
- Shares held
- 412.7M
- −255.0K (−0.1%) vs. Q2 2021
- Total value
- $109.6B
- −$2.00B (−1.8%) vs. Q2 2021
- New holders
- 131
- 744 more added
- Sold out
- 84
- 529 more reduced
25 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Liberty Capital Management, Inc. | 22,826 | $6.06M | 1.78% | +68+0.3% | Added |
| Crestwood Advisors Group LLC | 22,778 | $6.04M | 0.17% | −135−0.6% | Reduced |
| Security Asset Management | 22,778 | $6.04M | 2.45% | 00.0% | Unchanged |
| Mattern Capital Management, LLC | 22,485 | $5.97M | 1.18% | +234+1.1% | Added |
| Family Capital Trust Co | 22,469 | $5.96M | 1.70% | −30−0.1% | Reduced |
| FineMark National Bank & Trust | 22,369 | $5.94M | 0.25% | +1,171+5.5% | Added |
| Aptus Capital Advisors, LLC | 22,306 | $5.92M | 0.23% | −14,867−40.0% | Reduced |
| Synergy Financial Management, LLC | 22,289 | $5.92M | 1.37% | −7,156−24.3% | Reduced |
| Hudson Valley Investment Advisors Inc | 22,159 | $5.88M | 1.01% | −424−1.9% | Reduced |
| Fragasso Group Inc. | 22,151 | $5.88M | 0.78% | +497+2.3% | Added |
| Brinker Capital Investments, LLC | 21,714 | $5.88M | 0.09% | 00.0% | Unchanged |
| Lincluden Management Ltd | 21,987 | $5.84M | 0.59% | +5,893+36.6% | Added |
| Wealthfront Advisers LLC | 21,773 | $5.78M | 0.03% | +4,402+25.3% | Added |
| BTC Capital Management, Inc. | 21,599 | $5.74M | 0.64% | −395−1.8% | Reduced |
| Siemens Fonds Invest GmbH | 21,454 | $5.69M | 0.38% | +884+4.3% | Added |
| IFP Advisors, Inc | 21,312 | $5.67M | 0.11% | +840+4.1% | Added |
| American Money Management, LLC | 21,335 | $5.66M | 1.60% | +107+0.5% | Added |
| Colony Group LLC | 21,223 | $5.63M | 0.11% | +755+3.7% | Added |
| Harbor Investment Advisory, LLC | 20,954 | $5.56M | 0.75% | +55+0.3% | Added |
| Northwestern Mutual Investment Management Company, LLC | 20,671 | $5.49M | 0.11% | +22+0.1% | Added |
| Penobscot Investment Management Company, Inc. | 20,523 | $5.45M | 0.81% | +45+0.2% | Added |
| Logan Capital Management Inc | 20,098 | $5.33M | 0.25% | +349+1.8% | Added |
| Carderock Capital Management Inc | 20,084 | $5.33M | 1.50% | +43+0.2% | Added |
| Advisory Services Network, LLC | 20,022 | $5.31M | 0.17% | +2,177+12.2% | Added |
| RBF Capital, LLC | 20,000 | $5.31M | 0.30% | 00.0% | Unchanged |
| Kovitz Investment Group Partners, LLC | 19,944 | $5.29M | 0.11% | −5,371−21.2% | Reduced |
| E. Ohman J:or Asset Management AB | 19,850 | $5.27M | 0.17% | +600+3.1% | Added |
| Cubist Systematic Strategies, LLC | 19,841 | $5.27M | 0.07% | −19,181−49.2% | Reduced |
| Hantz Financial Services, Inc. | 19,807 | $5.26M | 0.17% | +1,079+5.8% | Added |
| Manor Road Capital Partners, LLC | 19,800 | $5.25M | 8.24% | −18,200−47.9% | Reduced |
| Flputnam Investment Management Co | 19,659 | $5.22M | 0.18% | +46+0.2% | Added |
| Cresset Asset Management, LLC | 19,497 | $5.20M | 0.07% | +1,203+6.6% | Added |
| Picton Mahoney Asset Management | 19,556 | $5.19M | 0.20% | +3,573+22.4% | Added |
| Atlantic Trust, LLC | 19,151 | $5.08M | 3.22% | +486+2.6% | Added |
| Bokf, NA | 19,011 | $5.05M | 0.09% | +19,011 | New |
| Rosenblum Silverman Sutton S F Inc | 19,000 | $5.04M | 1.15% | −295−1.5% | Reduced |
| Trellus Management Company, LLC | 19,000 | $5.04M | 4.51% | 00.0% | Unchanged |
| Amica Mutual Insurance Co | 18,952 | $5.03M | 0.53% | 00.0% | Unchanged |
| Capital International Inc | 18,842 | $5.00M | 0.05% | −851−4.3% | Reduced |
| Kinneret Advisory, LLC | 18,685 | $4.98M | 0.58% | 00.0% | Unchanged |
| Sowell Financial Services LLC | 18,574 | $4.95M | 0.33% | −6,924−27.2% | Reduced |
| Achmea Investment Management B.V. | 18,659 | $4.95M | 0.15% | −503−2.6% | Reduced |
| Bridgecreek Investment Management, LLC | 18,600 | $4.94M | 0.71% | 00.0% | Unchanged |
| AE Wealth Management LLC | 18,546 | $4.92M | 0.04% | +1,499+8.8% | Added |
| Meeder Asset Management Inc | 18,516 | $4.92M | 0.26% | +2,813+17.9% | Added |
| Schmidt P J Investment Management Inc | 17,079 | $4.90M | 0.96% | −93−0.5% | Reduced |
| Caisse de Depot Et Placement du Quebec | 18,283 | $4.85M | 0.01% | 00.0% | Unchanged |
| Frontier Wealth Management LLC | 18,216 | $4.83M | 0.33% | +2,100+13.0% | Added |
| Mercer Global Advisors Inc | 18,214 | $4.83M | 0.03% | −1,585−8.0% | Reduced |
| Cumberland Partners Ltd | 18,160 | $4.82M | 0.39% | +10,400+134.0% | Added |
| Ravenstone Capital Management Inc. | 18,095 | $4.80M | 3.55% | +2,230+14.1% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 18,010 | $4.79M | 0.08% | +3,640+25.3% | Added |
| Moreno Evelyn V | 17,935 | $4.76M | 1.12% | −73−0.4% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 17,665 | $4.69M | 5.60% | +17,460+8,517.1% | Added |
| Boyer & Corporon Wealth Management, LLC | 17,520 | $4.65M | 1.39% | +17,520 | New |
| Jag Capital Management, LLC | 17,509 | $4.65M | 0.36% | +506+3.0% | Added |
| Banque Cantonale Vaudoise | 17,439 | $4.63M | 0.20% | −1,300−6.9% | Reduced |
| Charter Trust Co | 17,370 | $4.61M | 0.43% | −80−0.5% | Reduced |
| L & S Advisors Inc | 17,194 | $4.56M | 0.49% | −7,768−31.1% | Reduced |
| Shelton Capital Management | 17,001 | $4.51M | 0.18% | +2,200+14.9% | Added |
| Corient Capital Partners, LLC | 16,987 | $4.51M | 0.33% | +1,447+9.3% | Added |
| Family Management Corp | 16,819 | $4.46M | 1.23% | −45−0.3% | Reduced |
| Eastern Bank | 16,808 | $4.46M | 0.22% | +115+0.7% | Added |
| Strategic Blueprint, LLC | 16,775 | $4.45M | 0.70% | +1,209+7.8% | Added |
| TFG Advisers LLC | 16,759 | $4.45M | 2.15% | +347+2.1% | Added |
| Epiq Partners, LLC | 16,694 | $4.43M | 2.04% | −1,024−5.8% | Reduced |
| Banco Santander, S.A. | 16,657 | $4.42M | 0.02% | −46,507−73.6% | Reduced |
| ExodusPoint Capital Management, LP | 16,429 | $4.36M | 0.07% | +12,973+375.4% | Added |
| Brown Advisory Securities, LLC | 16,092 | $4.27M | 1.26% | +921+6.1% | Added |
| Front Barnett Associates LLC | 15,978 | $4.24M | 0.44% | −2,325−12.7% | Reduced |
| American Portfolios Advisors | 15,930 | $4.23M | 0.16% | +1,001+6.7% | Added |
| Intact Investment Management Inc. | 15,900 | $4.22M | 0.12% | −35,200−68.9% | Reduced |
| Bremer Bank National Association | 15,823 | $4.20M | 0.83% | −272−1.7% | Reduced |
| Riverpark Capital Management LLC | 15,715 | $4.17M | 1.47% | +518+3.4% | Added |
| Advisor Partners LLC | 15,574 | $4.13M | 0.28% | −322−2.0% | Reduced |
| Arjuna Capital | 15,570 | $4.13M | 1.68% | +825+5.6% | Added |
| Linscomb & Williams, Inc. | 15,516 | $4.12M | 0.21% | +346+2.3% | Added |
| Veritable, L.P. | 15,478 | $4.11M | 0.07% | +200+1.3% | Added |
| Panagora Asset Management Inc | 15,442 | $4.10M | 0.02% | −49−0.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 15,405 | $4.09M | 0.05% | −51,336−76.9% | Reduced |
| Stevens Capital Management LP | 15,308 | $4.06M | 1.70% | +15,308 | New |
| Sand Hill Global Advisors, LLC | 15,240 | $4.04M | 0.25% | −230−1.5% | Reduced |
| Park Avenue Securities LLC | 15,219 | $4.04M | 0.08% | −621−3.9% | Reduced |
| Avitas Wealth Management LLC | 15,192 | $4.03M | 0.73% | −241−1.6% | Reduced |
| Pathstone Family Office, LLC | 15,019 | $4.00M | 0.12% | +1,420+10.4% | Added |
| Spire Wealth Management | 15,079 | $4.00M | 0.11% | −401−2.6% | Reduced |
| Cetera Advisor Networks LLC | 15,074 | $4.00M | 0.05% | −958−6.0% | Reduced |
| Simmons Bank | 15,028 | $3.99M | 0.29% | +780+5.5% | Added |
| Brown Miller Wealth Management, LLC | 15,018 | $3.99M | 2.50% | +345+2.4% | Added |
| Bridgewater Associates, LP | 14,889 | $3.95M | 0.02% | +14,889 | New |
| De Burlo Group Inc | 14,804 | $3.93M | 0.64% | −116−0.8% | Reduced |
| Bragg Financial Advisors, Inc | 14,754 | $3.92M | 0.25% | +750+5.4% | Added |
| Consolidated Investment Group LLC | 14,700 | $3.90M | 0.61% | 00.0% | Unchanged |
| Perkins Coie Trust Co | 14,580 | $3.87M | 1.21% | +20+0.1% | Added |
| M. Kulyk & Associates, LLC | 14,539 | $3.86M | 1.23% | +659+4.7% | Added |
| Anson Funds Management LP | 14,520 | $3.85M | 0.48% | −3,000−17.1% | Reduced |
| Slow Capital, Inc. | 14,408 | $3.82M | 0.70% | −20−0.1% | Reduced |
| Capital International Sarl | 14,403 | $3.82M | 0.34% | −662−4.4% | Reduced |
| Homrich & Berg | 14,272 | $3.79M | 0.08% | +990+7.5% | Added |
| Y-Intercept (Hong Kong) Ltd | 14,199 | $3.77M | 0.69% | +14,199 | New |