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 |
|---|---|---|---|---|---|
| Linscomb & Williams, Inc. | 15,516 | $4.12M | 0.21% | +346+2.3% | Added |
| Arjuna Capital | 15,570 | $4.13M | 1.68% | +825+5.6% | Added |
| Advisor Partners LLC | 15,574 | $4.13M | 0.28% | −322−2.0% | Reduced |
| Riverpark Capital Management LLC | 15,715 | $4.17M | 1.47% | +518+3.4% | Added |
| Bremer Bank National Association | 15,823 | $4.20M | 0.83% | −272−1.7% | Reduced |
| Intact Investment Management Inc. | 15,900 | $4.22M | 0.12% | −35,200−68.9% | Reduced |
| American Portfolios Advisors | 15,930 | $4.23M | 0.16% | +1,001+6.7% | Added |
| Front Barnett Associates LLC | 15,978 | $4.24M | 0.44% | −2,325−12.7% | Reduced |
| Brown Advisory Securities, LLC | 16,092 | $4.27M | 1.26% | +921+6.1% | Added |
| ExodusPoint Capital Management, LP | 16,429 | $4.36M | 0.07% | +12,973+375.4% | Added |
| Banco Santander, S.A. | 16,657 | $4.42M | 0.02% | −46,507−73.6% | Reduced |
| Epiq Partners, LLC | 16,694 | $4.43M | 2.04% | −1,024−5.8% | Reduced |
| TFG Advisers LLC | 16,759 | $4.45M | 2.15% | +347+2.1% | Added |
| Strategic Blueprint, LLC | 16,775 | $4.45M | 0.70% | +1,209+7.8% | Added |
| Eastern Bank | 16,808 | $4.46M | 0.22% | +115+0.7% | Added |
| Family Management Corp | 16,819 | $4.46M | 1.23% | −45−0.3% | Reduced |
| Corient Capital Partners, LLC | 16,987 | $4.51M | 0.33% | +1,447+9.3% | Added |
| Shelton Capital Management | 17,001 | $4.51M | 0.18% | +2,200+14.9% | Added |
| L & S Advisors Inc | 17,194 | $4.56M | 0.49% | −7,768−31.1% | Reduced |
| Charter Trust Co | 17,370 | $4.61M | 0.43% | −80−0.5% | Reduced |
| Banque Cantonale Vaudoise | 17,439 | $4.63M | 0.20% | −1,300−6.9% | Reduced |
| Jag Capital Management, LLC | 17,509 | $4.65M | 0.36% | +506+3.0% | Added |
| Boyer & Corporon Wealth Management, LLC | 17,520 | $4.65M | 1.39% | +17,520 | New |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 17,665 | $4.69M | 5.60% | +17,460+8,517.1% | Added |
| Moreno Evelyn V | 17,935 | $4.76M | 1.12% | −73−0.4% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 18,010 | $4.79M | 0.08% | +3,640+25.3% | Added |
| Ravenstone Capital Management Inc. | 18,095 | $4.80M | 3.55% | +2,230+14.1% | Added |
| Cumberland Partners Ltd | 18,160 | $4.82M | 0.39% | +10,400+134.0% | Added |
| Mercer Global Advisors Inc | 18,214 | $4.83M | 0.03% | −1,585−8.0% | Reduced |
| Frontier Wealth Management LLC | 18,216 | $4.83M | 0.33% | +2,100+13.0% | Added |
| Caisse de Depot Et Placement du Quebec | 18,283 | $4.85M | 0.01% | 00.0% | Unchanged |
| Schmidt P J Investment Management Inc | 17,079 | $4.90M | 0.96% | −93−0.5% | Reduced |
| Meeder Asset Management Inc | 18,516 | $4.92M | 0.26% | +2,813+17.9% | Added |
| AE Wealth Management LLC | 18,546 | $4.92M | 0.04% | +1,499+8.8% | Added |
| Bridgecreek Investment Management, LLC | 18,600 | $4.94M | 0.71% | 00.0% | Unchanged |
| Achmea Investment Management B.V. | 18,659 | $4.95M | 0.15% | −503−2.6% | Reduced |
| Sowell Financial Services LLC | 18,574 | $4.95M | 0.33% | −6,924−27.2% | Reduced |
| Kinneret Advisory, LLC | 18,685 | $4.98M | 0.58% | 00.0% | Unchanged |
| Capital International Inc | 18,842 | $5.00M | 0.05% | −851−4.3% | Reduced |
| Amica Mutual Insurance Co | 18,952 | $5.03M | 0.53% | 00.0% | Unchanged |
| 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 |
| Bokf, NA | 19,011 | $5.05M | 0.09% | +19,011 | New |
| Atlantic Trust, LLC | 19,151 | $5.08M | 3.22% | +486+2.6% | Added |
| Picton Mahoney Asset Management | 19,556 | $5.19M | 0.20% | +3,573+22.4% | Added |
| Cresset Asset Management, LLC | 19,497 | $5.20M | 0.07% | +1,203+6.6% | Added |
| Flputnam Investment Management Co | 19,659 | $5.22M | 0.18% | +46+0.2% | Added |
| Manor Road Capital Partners, LLC | 19,800 | $5.25M | 8.24% | −18,200−47.9% | Reduced |
| Hantz Financial Services, Inc. | 19,807 | $5.26M | 0.17% | +1,079+5.8% | Added |
| Cubist Systematic Strategies, LLC | 19,841 | $5.27M | 0.07% | −19,181−49.2% | Reduced |
| E. Ohman J:or Asset Management AB | 19,850 | $5.27M | 0.17% | +600+3.1% | Added |
| Kovitz Investment Group Partners, LLC | 19,944 | $5.29M | 0.11% | −5,371−21.2% | Reduced |
| RBF Capital, LLC | 20,000 | $5.31M | 0.30% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 20,022 | $5.31M | 0.17% | +2,177+12.2% | Added |
| Carderock Capital Management Inc | 20,084 | $5.33M | 1.50% | +43+0.2% | Added |
| Logan Capital Management Inc | 20,098 | $5.33M | 0.25% | +349+1.8% | Added |
| Penobscot Investment Management Company, Inc. | 20,523 | $5.45M | 0.81% | +45+0.2% | Added |
| Northwestern Mutual Investment Management Company, LLC | 20,671 | $5.49M | 0.11% | +22+0.1% | Added |
| Harbor Investment Advisory, LLC | 20,954 | $5.56M | 0.75% | +55+0.3% | Added |
| Colony Group LLC | 21,223 | $5.63M | 0.11% | +755+3.7% | Added |
| American Money Management, LLC | 21,335 | $5.66M | 1.60% | +107+0.5% | Added |
| IFP Advisors, Inc | 21,312 | $5.67M | 0.11% | +840+4.1% | Added |
| Siemens Fonds Invest GmbH | 21,454 | $5.69M | 0.38% | +884+4.3% | Added |
| BTC Capital Management, Inc. | 21,599 | $5.74M | 0.64% | −395−1.8% | Reduced |
| Wealthfront Advisers LLC | 21,773 | $5.78M | 0.03% | +4,402+25.3% | Added |
| Lincluden Management Ltd | 21,987 | $5.84M | 0.59% | +5,893+36.6% | Added |
| Brinker Capital Investments, LLC | 21,714 | $5.88M | 0.09% | 00.0% | Unchanged |
| Fragasso Group Inc. | 22,151 | $5.88M | 0.78% | +497+2.3% | Added |
| Hudson Valley Investment Advisors Inc | 22,159 | $5.88M | 1.01% | −424−1.9% | Reduced |
| Synergy Financial Management, LLC | 22,289 | $5.92M | 1.37% | −7,156−24.3% | Reduced |
| Aptus Capital Advisors, LLC | 22,306 | $5.92M | 0.23% | −14,867−40.0% | Reduced |
| FineMark National Bank & Trust | 22,369 | $5.94M | 0.25% | +1,171+5.5% | Added |
| Family Capital Trust Co | 22,469 | $5.96M | 1.70% | −30−0.1% | Reduced |
| Mattern Capital Management, LLC | 22,485 | $5.97M | 1.18% | +234+1.1% | 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 |
| Liberty Capital Management, Inc. | 22,826 | $6.06M | 1.78% | +68+0.3% | Added |
| Presima Inc. | 22,860 | $6.07M | 1.08% | +2,100+10.1% | Added |
| Forbes J M & Co LLP | 23,220 | $6.16M | 0.78% | +207+0.9% | Added |
| Group One Trading, L.P. | 23,371 | $6.20M | 0.14% | −25,260−51.9% | Reduced |
| Duality Advisers, LP | 23,421 | $6.22M | 0.48% | +23,421 | New |
| South Dakota Investment Council | 23,574 | $6.26M | 0.11% | 00.0% | Unchanged |
| Selkirk Management LLC | 24,150 | $6.41M | 2.61% | 00.0% | Unchanged |
| Hills Bank & Trust Co | 24,384 | $6.47M | 0.98% | +80+0.3% | Added |
| Segall Bryant & Hamill, LLC | 24,733 | $6.57M | 0.06% | −1,063−4.1% | Reduced |
| Stratos Wealth Partners, LTD. | 24,867 | $6.60M | 0.17% | +3,146+14.5% | Added |
| Forward Management, LLC | 25,000 | $6.63M | 0.71% | −4,000−13.8% | Reduced |
| FRG Family Wealth Advisors LLC | 25,012 | $6.64M | 1.30% | −945−3.6% | Reduced |
| Quantbot Technologies LP | 25,075 | $6.66M | 0.49% | +25,075 | New |
| Comerica Securities,inc. | 24,985 | $6.66M | 0.47% | −333−1.3% | Reduced |
| NJ State Employees Deferred Compensation Plan | 25,200 | $6.69M | 0.91% | 00.0% | Unchanged |
| Moody Lynn & Lieberson, LLC | 25,256 | $6.70M | 0.50% | +1,709+7.3% | Added |
| ARS Investment Partners, LLC | 25,393 | $6.74M | 0.67% | +811+3.3% | Added |
| GWM Advisors LLC | 25,432 | $6.75M | 0.17% | +1,263+5.2% | Added |
| Beacon Pointe Advisors, LLC | 25,505 | $6.77M | 0.17% | +11,126+77.4% | Added |
| Capital Analysts, LLC | 25,513 | $6.77M | 0.44% | +298+1.2% | Added |
| Zeno Research, LLC | 25,695 | $6.82M | 5.40% | +25,695 | New |
| Ilmarinen Mutual Pension Insurance Co | 26,000 | $6.90M | 0.07% | −53,500−67.3% | Reduced |
| Premier Fund Managers Ltd | 25,633 | $6.92M | 0.22% | +900+3.6% | Added |
| First National Bank of Omaha | 26,214 | $6.96M | 0.35% | −580−2.2% | Reduced |