AMT American Tower Corp.
American Tower Corp. (AMT) Institutional Ownership
What the institutions did with AMT last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 45.8M | 10.4% |
| VANGUARD CAPITAL MANAGEMENT LLC | 30.4M | 6.9% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 27.9M | 6.3% |
| STATE STREET CORP | 22.1M | 5.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 13.8M | 3.1% |
| COHEN & STEERS, INC. | 13.8M | 3.1% |
| FMR LLC | 11.4M | 2.6% |
| MORGAN STANLEY | 9.6M | 2.2% |
| JPMORGAN CHASE & CO | 8.9M | 2.0% |
| LAZARD ASSET MANAGEMENT LLC | 8.4M | 1.9% |
| Invesco Ltd. | 7.1M | 1.6% |
| DEUTSCHE BANK AG\ | 6.7M | 1.5% |
| Capital World Investors | 6.6M | 1.5% |
| NORGES BANK | 6.4M | 1.4% |
| DIMENSIONAL FUND ADVISORS LP | 5.9M | 1.3% |
| PRINCIPAL FINANCIAL GROUP INC | 5.7M | 1.3% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 5.6M | 1.3% |
| NORTHERN TRUST CORP | 5.0M | 1.1% |
| GOLDMAN SACHS GROUP INC | 5.0M | 1.1% |
| Legal & General Group Plc | 4.9M | 1.1% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4.6M | 1.0% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 4.5M | 1.0% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 4.2M | 1.0% |
| Amundi | 4.0M | 0.9% |
| BANK OF AMERICA CORP /DE/ | 3.9M | 0.9% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| JPMORGAN CHASE & CO | Reduced | 15.1M | 8.9M | -6.3M |
| AQR CAPITAL MANAGEMENT LLC | Increased | 574.1K | 2.5M | +1.9M |
| ONTARIO TEACHERS PENSION PLAN BOARD | New | 0 | 1.8M | +1.8M |
| Cantillon Capital Management LLC | Sold Out | 1.6M | 0 | -1.6M |
| JANE STREET GROUP, LLC | Increased | 63.1K | 1.5M | +1.5M |
| Nuveen, LLC | Reduced | 3.9M | 2.6M | -1.3M |
| Capital Research Global Investors | Reduced | 4.1M | 2.9M | -1.2M |
| MILLENNIUM MANAGEMENT LLC | Increased | 1.0M | 2.2M | +1.2M |
| COHEN & STEERS, INC. | Increased | 12.6M | 13.8M | +1.2M |
| Qube Research & Technologies Ltd | Increased | 15.9K | 1.2M | +1.1M |
| LAZARD ASSET MANAGEMENT LLC | Increased | 7.3M | 8.4M | +1.1M |
| DEUTSCHE BANK AG\ | Reduced | 7.8M | 6.7M | -1.1M |
| FRANKLIN RESOURCES INC | Reduced | 3.3M | 2.4M | -925.2K |
| Fisher Asset Management, LLC | Reduced | 1.7M | 828.6K | -907.8K |
| Capital World Investors | Increased | 5.7M | 6.6M | +887.0K |
| BlackRock, Inc. | Increased | 45.0M | 45.8M | +842.4K |
| TWO SIGMA INVESTMENTS, LP | Reduced | 1.2M | 431.9K | -795.0K |
| STATE STREET CORP | Increased | 21.4M | 22.1M | +631.6K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Increased | 1.2M | 1.8M | +623.7K |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | 735.6K | 124.2K | -611.4K |
| Altshuler Shaham Ltd | New | 0 | 610.0K | +610.0K |
| BANK OF AMERICA CORP /DE/ | Reduced | 4.5M | 3.9M | -606.1K |
| CANADA PENSION PLAN INVESTMENT BOARD | Reduced | 2.4M | 1.8M | -605.3K |
| MARSHALL WACE, LLP | Increased | 751.3K | 1.3M | +591.7K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Increased | 783.6K | 1.4M | +585.2K |
| Rathbones Group PLC | Reduced | 1.0M | 459.7K | -565.1K |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | 4.8M | 4.2M | -563.1K |
| GRS Advisors, LLC | New | 0 | 543.6K | +543.6K |
| Alyeska Investment Group, L.P. | Increased | 303.8K | 828.4K | +524.6K |
| DigitalBridge Group, Inc. | New | 0 | 504.8K | +504.8K |
| CITADEL ADVISORS LLC | Increased | 876.8K | 1.4M | +494.5K |
| ROYAL BANK OF CANADA | Increased | 1.6M | 2.1M | +485.6K |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | Increased | 1.6M | 2.1M | +471.6K |
| Swedbank AB | Reduced | 953.6K | 489.6K | -464.0K |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Reduced | 2.3M | 1.9M | -443.9K |
| WORLDQUANT MILLENNIUM ADVISORS LLC | Increased | 138.9K | 578.1K | +439.2K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | 4.2M | 4.6M | +407.2K |
| Vontobel Holding Ltd. | Reduced | 478.7K | 72.4K | -406.3K |
| RUSH ISLAND MANAGEMENT, LP | New | 0 | 405.4K | +405.4K |
| Douglass Winthrop Advisors, LLC | Reduced | 502.9K | 117.4K | -385.6K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Increased | 5.2M | 5.6M | +367.1K |
| Point72 Asset Management, L.P. | Reduced | 1.2M | 853.7K | -351.6K |
| CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC | Increased | 1.1M | 1.5M | +348.5K |
| NORTHERN TRUST CORP | Reduced | 5.3M | 5.0M | -316.2K |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Reduced | 791.4K | 480.5K | -310.9K |
| Heard Capital LLC | Reduced | 1.1M | 804.8K | -307.3K |
| AMERIPRISE FINANCIAL INC | Reduced | 3.3M | 3.0M | -304.8K |
| BOOTHBAY FUND MANAGEMENT, LLC | Increased | 1.2K | 285.5K | +284.2K |
| Bank of New York Mellon Corp | Increased | 2.8M | 3.1M | +283.4K |
| Ardmore Road Asset Management LP | New | 0 | 282.5K | +282.5K |
| Allianz Asset Management GmbH | Reduced | 760.7K | 482.2K | -278.5K |
| Lansforsakringar Fondforvaltning AB (publ) | Reduced | 407.6K | 145.7K | -261.9K |
| GOLDMAN SACHS GROUP INC | Increased | 4.7M | 5.0M | +261.0K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 27.6M | 27.9M | +255.7K |
| Holocene Advisors, LP | Increased | 29.9K | 281.1K | +251.3K |
| HSBC HOLDINGS PLC | Increased | 1.6M | 1.8M | +248.5K |
| Korea Investment CORP | Increased | 190.1K | 438.1K | +248.0K |
| SG Americas Securities, LLC | Reduced | 1.4M | 1.1M | -241.8K |
| UBS Group AG | Reduced | 3.5M | 3.3M | -234.7K |
| Mitsubishi UFJ Trust & Banking Corp | Reduced | 513.7K | 281.8K | -231.9K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.