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, Q1 2026
Institutional positions in American Tower Corp as of Mar 31, 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
- 1,760
- +9 vs. Q4 2025
- Shares held
- 431.5M
- +28.6M (+7.1%) vs. Q4 2025
- Total value
- $74.4B
- +$10.2B (+15.9%) vs. Q4 2025
- New holders
- 155
- 725 more added
- Sold out
- 146
- 651 more reduced
30 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding American Tower Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Guggenheim Capital LLC | 115,843 | $20.0M | 0.16% | +15,562+15.5% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 132,933 | $20.0M | 0.21% | −47,799−26.4% | Reduced |
| Heritage Investors Management Corp | 116,814 | $20.2M | 0.61% | +424+0.4% | Added |
| Fifth Third Bancorp | 117,471 | $20.3M | 0.04% | +26,077+28.5% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 117,590 | $20.3M | 0.20% | +22,455+23.6% | Added |
| ProShare Advisors LLC | 117,648 | $20.3M | 0.03% | −24,594−17.3% | Reduced |
| Agf Management Ltd | 118,547 | $20.5M | 0.09% | −7,628−6.0% | Reduced |
| ExodusPoint Capital Management, LP | 119,359 | $20.6M | 0.20% | +119,359 | New |
| Midwest Trust Co | 119,749 | $20.7M | 0.26% | +13,413+12.6% | Added |
| Boston Family Office LLC | 119,861 | $20.7M | 1.38% | −2,314−1.9% | Reduced |
| IFM Investors Pty Ltd | 120,850 | $20.9M | 0.17% | +2,154+1.8% | Added |
| Assetmark, Inc | 121,090 | $20.9M | 0.04% | +32,269+36.3% | Added |
| Vestcor Inc | 121,118 | $20.9M | 0.58% | +42,589+54.2% | Added |
| State of Michigan Retirement System | 122,284 | $21.1M | 0.11% | −300−0.2% | Reduced |
| Mill Capital Management, LLC | 123,311 | $21.3M | 1.62% | +329+0.3% | Added |
| Groupama Asset Managment | 123,868 | $21.4M | 0.31% | −250−0.2% | Reduced |
| NEOS Investment Management LLC | 125,591 | $21.7M | 0.11% | +5,029+4.2% | Added |
| Lido Advisors, LLC | 126,201 | $21.8M | 0.09% | −16,311−11.4% | Reduced |
| Daiwa Securities Group Inc. | 127,006 | $21.9M | 0.06% | +8,365+7.1% | Added |
| Czech National Bank | 127,498 | $22.0M | 0.14% | +4,054+3.3% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 128,234 | $22.1M | 0.12% | +54,250+73.3% | Added |
| Arizona State Retirement System | 128,319 | $22.1M | 0.13% | −3,506−2.7% | Reduced |
| Capitolis Liquid Global Markets LLC | 129,985 | $22.4M | 0.14% | +129,985 | New |
| Vert Asset Management LLC | 130,238 | $22.5M | 7.13% | +4,432+3.5% | Added |
| MetLife Investment Management | 130,493 | $22.5M | 0.11% | −4,280−3.2% | Reduced |
| First Trust Advisors LP | 131,411 | $22.7M | 0.02% | +70,708+116.5% | Added |
| DF Dent & Co Inc | 131,882 | $22.8M | 0.44% | −28,163−17.6% | Reduced |
| Nisa Investment Advisors, LLC | 132,099 | $22.8M | 0.08% | −27,724−17.3% | Reduced |
| Quantinno Capital Management LP | 132,375 | $22.8M | 0.04% | +32,877+33.0% | Added |
| Victory Capital Management Inc | 133,000 | $23.0M | 0.01% | −59,037−30.7% | Reduced |
| Public Sector Pension Investment Board | 133,192 | $23.0M | 0.07% | +13,941+11.7% | Added |
| Worldquant Millennium Advisors LLC | 138,880 | $24.0M | 0.09% | +12,965+10.3% | Added |
| Oppenheimer Asset Management Inc. | 138,887 | $24.0M | 0.27% | +17,246+14.2% | Added |
| Tredje AP-fonden | 140,370 | $24.2M | 0.13% | +140,370 | New |
| Brown Advisory Inc | 140,823 | $24.3M | 0.04% | −12,214−8.0% | Reduced |
| Bank of Nova Scotia | 141,742 | $24.5M | 0.04% | +32,897+30.2% | Added |
| Xponance, Inc. | 141,976 | $24.5M | 0.17% | +14,187+11.1% | Added |
| Baird Financial Group, Inc. | 142,714 | $24.6M | 0.04% | +21,364+17.6% | Added |
| CIBC Asset Management Inc | 142,836 | $24.7M | 0.06% | +19,748+16.0% | Added |
| Northeast Investment Management | 143,692 | $24.8M | 1.03% | −16,074−10.1% | Reduced |
| FourThought Financial Partners, LLC | 144,775 | $25.0M | 2.16% | +23,533+19.4% | Added |
| Calamos Advisors LLC | 146,720 | $25.3M | 0.10% | +2,571+1.8% | Added |
| Dana Investment Advisors, Inc. | 147,141 | $25.4M | 0.76% | +42,733+40.9% | Added |
| Quintet Private Bank (Europe) S.A. | 148,038 | $25.5M | 1.71% | −10,617−6.7% | Reduced |
| Eastern Bank | 153,091 | $26.4M | 0.45% | +5,317+3.6% | Added |
| B&I Capital AG | 153,488 | $26.5M | 9.01% | −25,570−14.3% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 153,745 | $26.5M | 0.13% | +14,446+10.4% | Added |
| Creative Planning | 156,140 | $26.9M | 0.02% | −5,736−3.5% | Reduced |
| Barr E S & Co | 157,042 | $27.1M | 1.58% | −18,010−10.3% | Reduced |
| Haverford Trust Co | 159,356 | $27.5M | 0.25% | +6,494+4.2% | Added |
| Susquehanna International Group, LLP | 159,442 | $27.5M | 0.04% | −18,675−10.5% | Reduced |
| Truist Financial Corp | 164,675 | $28.4M | 0.04% | +73,798+81.2% | Added |
| Saudi Central Bank | 164,760 | $28.4M | 0.60% | +17,086+11.6% | Added |
| Credit Agricole S A | 165,181 | $28.5M | 0.09% | −27,471−14.3% | Reduced |
| Nomura Asset Management Co Ltd | 166,999 | $28.8M | 0.07% | +6,141+3.8% | Added |
| State of Tennessee, Treasury Department | 169,599 | $29.3M | 0.10% | 00.0% | Unchanged |
| Capital Fund Management S.A. | 171,400 | $29.6M | 0.26% | +119,536+230.5% | Added |
| STRS Ohio | 172,521 | $29.8M | 0.12% | +22,522+15.0% | Added |
| Kames Capital plc | 174,070 | $30.0M | 0.40% | +123,958+247.4% | Added |
| KLP Kapitalforvaltning AS | 175,613 | $30.3M | 0.12% | +5,900+3.5% | Added |
| Exchange Traded Concepts, LLC | 181,980 | $31.4M | 0.24% | +15,185+9.1% | Added |
| Verition Fund Management LLC | 185,666 | $32.0M | 0.31% | +156,628+539.4% | Added |
| Public Employees Retirement System of Ohio | 185,930 | $32.1M | 0.10% | −798−0.4% | Reduced |
| Toronto Dominion Bank | 186,975 | $32.3M | 0.06% | −450,419−70.7% | Reduced |
| Natixis Advisors, L.P. | 188,486 | $32.5M | 0.05% | −8,500−4.3% | Reduced |
| British Columbia Investment Management Corp | 188,612 | $32.6M | 0.19% | +14,829+8.5% | Added |
| Van Eck Associates Corp | 189,630 | $32.7M | 0.02% | +12,795+7.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 189,914 | $32.8M | 0.08% | −47,228−19.9% | Reduced |
| Nearwater Capital Markets, Ltd | 190,000 | $32.8M | 0.77% | +190,000 | New |
| Korea Investment CORP | 190,136 | $32.8M | 0.07% | −151,571−44.4% | Reduced |
| Jain Global LLC | 191,564 | $33.1M | 0.42% | +191,564 | New |
| Voya Investment Management LLC | 191,921 | $33.1M | 0.03% | −8,680−4.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 194,145 | $33.2M | 0.06% | −153−0.1% | Reduced |
| HighTower Advisors, LLC | 193,323 | $33.4M | 0.04% | +19,788+11.4% | Added |
| Eurizon Capital SGR S.p.A. | 194,164 | $33.4M | 0.10% | −33,566−14.7% | Reduced |
| RWC Asset Management LLP | 194,019 | $33.5M | 1.40% | −6,925−3.4% | Reduced |
| First Manhattan Co | 195,448 | $33.7M | 0.09% | −5,226−2.6% | Reduced |
| Pacific Heights Asset Management LLC | 200,000 | $34.5M | 1.16% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 200,260 | $34.6M | 0.11% | +4,266+2.2% | Added |
| Fairview Capital Investment Management, LLC | 200,531 | $34.6M | 1.88% | −8,194−3.9% | Reduced |
| Asset Management One Co.,Ltd. | 201,402 | $34.8M | 0.10% | −1,805−0.9% | Reduced |
| Cincinnati Financial Corp | 201,619 | $34.8M | 0.70% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 202,353 | $34.9M | 0.12% | −1,180−0.6% | Reduced |
| State of New Jersey Common Pension Fund D | 204,889 | $35.4M | 0.14% | 00.0% | Unchanged |
| Fisher Funds Management LTD | 209,470 | $36.2M | 1.06% | −78,211−27.2% | Reduced |
| M&T Bank Corp | 211,187 | $36.4M | 0.12% | +3,057+1.5% | Added |
| CIBC World Markets Inc. | 211,340 | $36.5M | 0.06% | −111,475−34.5% | Reduced |
| TD Asset Management Inc | 212,155 | $36.6M | 0.03% | +26,494+14.3% | Added |
| King Luther Capital Management Corp | 212,542 | $36.7M | 0.16% | −2,544−1.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 213,093 | $36.8M | 0.08% | +9,125+4.5% | Added |
| J. Stern & Co. LLP | 215,977 | $37.3M | 3.61% | −37,471,001−99.4% | Reduced |
| Brookfield Asset Management Inc. | 218,234 | $37.7M | 0.05% | +1,550+0.7% | Added |
| Uniplan Investment Counsel, Inc. | 221,379 | $38.2M | 3.92% | −16,674−7.0% | Reduced |
| Perpetual Ltd | 226,291 | $39.1M | 0.60% | +29,160+14.8% | Added |
| Factory Mutual Insurance Co | 227,700 | $39.3M | 0.44% | +5,800+2.6% | Added |
| ASR Vermogensbeheer N.V. | 232,177 | $40.1M | 0.47% | +6,663+3.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 234,355 | $40.4M | 0.09% | +461+0.2% | Added |
| Chevy Chase Trust Holdings, Inc. | 234,414 | $40.5M | 0.12% | −2,965−1.2% | Reduced |
| Royal London Asset Management Ltd | 234,890 | $40.5M | 0.09% | −5,699−2.4% | Reduced |
| Nomura Asset Management International Inc. | 241,142 | $41.6M | 0.07% | −135,506−36.0% | Reduced |