Who owns AMERICAN TOWER CORP /MA/?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of AMT from SEC Form 13F filings across 1,745 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 1,745 institutions disclosed 439.6M shares of AMERICAN TOWER CORP /MA/ worth $75.19B — about 94.4% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
1,745
13F holders
$75.19B
value, 2026 filers
94.4%
of shares outstanding (439.6M sh)
204
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of AMT's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 45.8M | $7.49B | 0.1% | 9.8% | +1.9% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 30.4M | $4.98B | 0.1% | 6.5% | +0.2% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 27.9M | $4.56B | 0.2% | 6% | +0.9% |
| 4 | STATE STREET CORP | 22.1M | $3.65B | 0.1% | 4.7% | +2.9% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 13.8M | $2.26B | 0.1% | 3% | -0.7% |
| 6 | COHEN & STEERS, INC. | 13.8M | $2.25B | 3.6% | 3% | +9.2% |
| 7 | FMR LLC | 11.4M | $1.86B | 0.1% | 2.4% | +0.5% |
| 8 | MORGAN STANLEY | 9.6M | $1.57B | 0.1% | 2.1% | +0.3% |
| 9 | JPMORGAN CHASE & CO | 8.9M | $1.49B | 0.1% | 1.9% | -41.5% |
| 10 | LAZARD ASSET MANAGEMENT LLC | 8.4M | $1.37B | 2.1% | 1.8% | +14.7% |
| 11 | Invesco Ltd. | 7.1M | $1.16B | 0.1% | 1.5% | -2.8% |
| 12 | DEUTSCHE BANK AG\ | 6.7M | $1.10B | 0.3% | 1.4% | -13.7% |
| 13 | Capital World Investors | 6.6M | $1.07B | 0.1% | 1.4% | +15.6% |
| 14 | NORGES BANKNEW | 6.4M | $1.04B | 0.1% | 1.4% | new |
| 15 | DIMENSIONAL FUND ADVISORS LP | 5.9M | $961.2M | 0.2% | 1.3% | +1.1% |
| 16 | PRINCIPAL FINANCIAL GROUP INC | 5.7M | $939.3M | 0.5% | 1.2% | -2.9% |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 5.6M | $917.2M | 0.1% | 1.2% | +7.0% |
| 18 | NORTHERN TRUST CORP | 5.0M | $821.7M | 0.1% | 1.1% | -5.9% |
| 19 | GOLDMAN SACHS GROUP INC | 5.0M | $811.0M | 0.1% | 1.1% | +5.6% |
| 20 | Legal & General Group Plc | 4.9M | $793.9M | 0.2% | 1% | +0.6% |
| 21 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4.6M | $752.9M | 0.3% | 1% | +9.7% |
| 22 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 4.5M | $740.4M | 0.1% | 1% | +4.3% |
| 23 | PRICE T ROWE ASSOCIATES INC /MD/ | 4.2M | $688.8M | 0.1% | 0.9% | -11.8% |
| 24 | Amundi | 4.0M | $661.8M | 0.2% | 0.9% | +5.6% |
| 25 | BANK OF AMERICA CORP /DE/ | 3.9M | $638.8M | 0.0% | 0.8% | -13.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.