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 |
|---|---|---|---|---|---|
| KLP Kapitalforvaltning AS | 175,613 | $30.3M | 0.12% | +5,900+3.5% | Added |
| Kames Capital plc | 174,070 | $30.0M | 0.40% | +123,958+247.4% | Added |
| STRS Ohio | 172,521 | $29.8M | 0.12% | +22,522+15.0% | Added |
| Capital Fund Management S.A. | 171,400 | $29.6M | 0.26% | +119,536+230.5% | Added |
| State of Tennessee, Treasury Department | 169,599 | $29.3M | 0.10% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 166,999 | $28.8M | 0.07% | +6,141+3.8% | Added |
| Credit Agricole S A | 165,181 | $28.5M | 0.09% | −27,471−14.3% | Reduced |
| Saudi Central Bank | 164,760 | $28.4M | 0.60% | +17,086+11.6% | Added |
| Truist Financial Corp | 164,675 | $28.4M | 0.04% | +73,798+81.2% | Added |
| Susquehanna International Group, LLP | 159,442 | $27.5M | 0.04% | −18,675−10.5% | Reduced |
| Haverford Trust Co | 159,356 | $27.5M | 0.25% | +6,494+4.2% | Added |
| Barr E S & Co | 157,042 | $27.1M | 1.58% | −18,010−10.3% | Reduced |
| Creative Planning | 156,140 | $26.9M | 0.02% | −5,736−3.5% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 153,745 | $26.5M | 0.13% | +14,446+10.4% | Added |
| B&I Capital AG | 153,488 | $26.5M | 9.01% | −25,570−14.3% | Reduced |
| Eastern Bank | 153,091 | $26.4M | 0.45% | +5,317+3.6% | Added |
| Quintet Private Bank (Europe) S.A. | 148,038 | $25.5M | 1.71% | −10,617−6.7% | Reduced |
| Dana Investment Advisors, Inc. | 147,141 | $25.4M | 0.76% | +42,733+40.9% | Added |
| Calamos Advisors LLC | 146,720 | $25.3M | 0.10% | +2,571+1.8% | Added |
| FourThought Financial Partners, LLC | 144,775 | $25.0M | 2.16% | +23,533+19.4% | Added |
| Northeast Investment Management | 143,692 | $24.8M | 1.03% | −16,074−10.1% | Reduced |
| CIBC Asset Management Inc | 142,836 | $24.7M | 0.06% | +19,748+16.0% | Added |
| Baird Financial Group, Inc. | 142,714 | $24.6M | 0.04% | +21,364+17.6% | Added |
| Xponance, Inc. | 141,976 | $24.5M | 0.17% | +14,187+11.1% | Added |
| Bank of Nova Scotia | 141,742 | $24.5M | 0.04% | +32,897+30.2% | Added |
| Brown Advisory Inc | 140,823 | $24.3M | 0.04% | −12,214−8.0% | Reduced |
| Tredje AP-fonden | 140,370 | $24.2M | 0.13% | +140,370 | New |
| Oppenheimer Asset Management Inc. | 138,887 | $24.0M | 0.27% | +17,246+14.2% | Added |
| Worldquant Millennium Advisors LLC | 138,880 | $24.0M | 0.09% | +12,965+10.3% | Added |
| Public Sector Pension Investment Board | 133,192 | $23.0M | 0.07% | +13,941+11.7% | Added |
| Victory Capital Management Inc | 133,000 | $23.0M | 0.01% | −59,037−30.7% | Reduced |
| Quantinno Capital Management LP | 132,375 | $22.8M | 0.04% | +32,877+33.0% | Added |
| Nisa Investment Advisors, LLC | 132,099 | $22.8M | 0.08% | −27,724−17.3% | Reduced |
| DF Dent & Co Inc | 131,882 | $22.8M | 0.44% | −28,163−17.6% | Reduced |
| First Trust Advisors LP | 131,411 | $22.7M | 0.02% | +70,708+116.5% | Added |
| MetLife Investment Management | 130,493 | $22.5M | 0.11% | −4,280−3.2% | Reduced |
| Vert Asset Management LLC | 130,238 | $22.5M | 7.13% | +4,432+3.5% | Added |
| Capitolis Liquid Global Markets LLC | 129,985 | $22.4M | 0.14% | +129,985 | New |
| Arizona State Retirement System | 128,319 | $22.1M | 0.13% | −3,506−2.7% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 128,234 | $22.1M | 0.12% | +54,250+73.3% | Added |
| Czech National Bank | 127,498 | $22.0M | 0.14% | +4,054+3.3% | Added |
| Daiwa Securities Group Inc. | 127,006 | $21.9M | 0.06% | +8,365+7.1% | Added |
| Lido Advisors, LLC | 126,201 | $21.8M | 0.09% | −16,311−11.4% | Reduced |
| NEOS Investment Management LLC | 125,591 | $21.7M | 0.11% | +5,029+4.2% | Added |
| Groupama Asset Managment | 123,868 | $21.4M | 0.31% | −250−0.2% | Reduced |
| Mill Capital Management, LLC | 123,311 | $21.3M | 1.62% | +329+0.3% | Added |
| State of Michigan Retirement System | 122,284 | $21.1M | 0.11% | −300−0.2% | Reduced |
| Vestcor Inc | 121,118 | $20.9M | 0.58% | +42,589+54.2% | Added |
| Assetmark, Inc | 121,090 | $20.9M | 0.04% | +32,269+36.3% | Added |
| IFM Investors Pty Ltd | 120,850 | $20.9M | 0.17% | +2,154+1.8% | Added |
| Boston Family Office LLC | 119,861 | $20.7M | 1.38% | −2,314−1.9% | Reduced |
| Midwest Trust Co | 119,749 | $20.7M | 0.26% | +13,413+12.6% | Added |
| ExodusPoint Capital Management, LP | 119,359 | $20.6M | 0.20% | +119,359 | New |
| Agf Management Ltd | 118,547 | $20.5M | 0.09% | −7,628−6.0% | Reduced |
| ProShare Advisors LLC | 117,648 | $20.3M | 0.03% | −24,594−17.3% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 117,590 | $20.3M | 0.20% | +22,455+23.6% | Added |
| Fifth Third Bancorp | 117,471 | $20.3M | 0.04% | +26,077+28.5% | Added |
| Heritage Investors Management Corp | 116,814 | $20.2M | 0.61% | +424+0.4% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 132,933 | $20.0M | 0.21% | −47,799−26.4% | Reduced |
| Guggenheim Capital LLC | 115,843 | $20.0M | 0.16% | +15,562+15.5% | Added |
| Gabelli Funds LLC | 114,390 | $19.7M | 0.13% | +6,350+5.9% | Added |
| Cincinnati Insurance Co | 114,000 | $19.7M | 0.30% | +54,000+90.0% | Added |
| Destination Wealth Management | 113,264 | $19.5M | 0.51% | +15,199+15.5% | Added |
| Swiss Life Asset Management Ltd | 113,124 | $19.5M | 0.10% | +11,131+10.9% | Added |
| Squarepoint Ops LLC | 112,969 | $19.5M | 0.04% | −159,027−58.5% | Reduced |
| Nissay Asset Management Corp | 111,606 | $19.3M | 0.10% | +4,613+4.3% | Added |
| Greenleaf Trust | 110,518 | $19.1M | 0.19% | −3,031−2.7% | Reduced |
| Wealthfront Advisers LLC | 109,012 | $18.8M | 0.04% | +11,051+11.3% | Added |
| Advisors Asset Management, Inc. | 107,630 | $18.6M | 0.31% | −6,195−5.4% | Reduced |
| SEB Asset Management AB | 107,340 | $18.5M | 0.08% | +107,340 | New |
| Cerity Partners LLC | 106,738 | $18.4M | 0.03% | −47,466−30.8% | Reduced |
| Edgar Lomax Co | 106,530 | $18.4M | 1.31% | +85,990+418.6% | Added |
| Broad Run Investment Management, LLC | 105,578 | $18.2M | 3.21% | −4,297−3.9% | Reduced |
| Commonwealth Equity Services, LLC | 105,519 | $18.2M | 0.03% | −5,487−4.9% | Reduced |
| Tudor Investment Corp Et Al | 105,078 | $18.1M | 0.10% | +55,578+112.3% | Added |
| Rockefeller Capital Management L.P. | 104,482 | $18.0M | 0.03% | −6,444−5.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 104,396 | $18.0M | 0.05% | −1,419−1.3% | Reduced |
| Thrivent Financial for Lutherans | 103,263 | $17.8M | 0.03% | +1,205+1.2% | Added |
| MAI Capital Management | 101,998 | $17.6M | 0.10% | −875−0.9% | Reduced |
| DnB Asset Management AS | 101,972 | $17.6M | 0.06% | −18,368−15.3% | Reduced |
| Varma Mutual Pension Insurance Co | 101,906 | $17.6M | 0.10% | 00.0% | Unchanged |
| Mediolanum International Funds Ltd | 102,330 | $17.4M | 0.19% | +102,330 | New |
| United Capital Financial Advisers, LLC | 100,725 | $17.4M | 0.11% | −4,488−4.3% | Reduced |
| J. Safra Sarasin Holding AG | 100,445 | $17.3M | 0.30% | +7,982+8.6% | Added |
| Amalgamated Bank | 98,633 | $17.0M | 0.13% | −3,841−3.7% | Reduced |
| Reaves W H & Co Inc | 98,037 | $16.9M | 0.28% | 00.0% | Unchanged |
| IES Holdings, Inc. | 97,500 | $16.8M | 7.86% | +97,500 | New |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 96,505 | $16.7M | 0.25% | – | – |
| Chilton Capital Management LLC | 96,267 | $16.6M | 0.58% | +11,989+14.2% | Added |
| Anchor Capital Advisors LLC | 95,310 | $16.4M | 0.47% | +32,103+50.8% | Added |
| Foresight Group Ltd Liability Partnership | 96,189 | $16.4M | 2.89% | −27,825−22.4% | Reduced |
| GW Henssler & Associates Ltd | 93,931 | $16.2M | 0.76% | +12,195+14.9% | Added |
| O'Shaughnessy Asset Management, LLC | 92,489 | $16.0M | 0.08% | +14,936+19.3% | Added |
| Howland Capital Management LLC | 92,103 | $15.9M | 0.63% | −67,639−42.3% | Reduced |
| NZS Capital, LLC | 91,839 | $15.8M | 0.53% | −529,738−85.2% | Reduced |
| Mar Vista Investment Partners LLC | 89,283 | $15.4M | 1.54% | +1,510+1.7% | Added |
| Ci Investments Inc. | 88,755 | $15.3M | 0.07% | +5,271+6.3% | Added |
| Stock Yards Bank & Trust Co | 88,541 | $15.3M | 0.48% | −4,695−5.0% | Reduced |
| Carnegie Capital Asset Management, LLC | 87,256 | $15.1M | 0.29% | −29,349−25.2% | Reduced |
| Pathstone Holdings, LLC | 86,982 | $15.0M | 0.06% | −1,628−1.8% | Reduced |