American Tower Ownership | Who Owns American Tower?
American Tower Ownership Summary
American Tower is owned by 91.88% institutional investors, 0.08% insiders, and 8.04% retail investors. Vanguard group is the largest institutional shareholder, holding 13.62% of AMT shares. Vanguard Real Estate Index Investor is the top mutual fund, with 3.73% of its assets in American Tower shares.
AMT Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | American Tower | 91.88% | 0.08% | 8.04% |
| Sector | Real Estate Stocks | 48.86% | 9.88% | 41.26% |
| Industry | Specialty REIT Stocks | 52.08% | 3.97% | 43.95% |
| Idea | 5G Stocks List | 60.62% | 8.11% | 31.27% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 63.76M | 13.62% | $11.19B |
| Blackrock funding, inc. /de | 44.95M | 9.58% | $7.76B |
| Blackrock | 38.11M | 8.17% | $7.41B |
| State street | 21.43M | 4.57% | $3.70B |
| Jpmorgan chase | 15.13M | 3.22% | $2.58B |
| Geode capital management | 13.93M | 2.97% | $2.40B |
| Cohen & steers | 12.62M | 2.69% | $2.18B |
| Fmr | 11.32M | 2.41% | $1.95B |
| Morgan stanley | 9.58M | 2.04% | $1.65B |
| Deutsche bank ag\ | 7.77M | 1.66% | $1.34B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Heard capital | 1.11M | 9.92% | $191.93M |
| Rockbridge capital management | 83.01K | 9.62% | $14.33M |
| B&i capital | 153.49K | 9.01% | $26.49M |
| Avenir | 415.35K | 8.74% | $71.68M |
| Patrizia pty | 27.94K | 8.55% | $5.43M |
| Ies | 97.50K | 7.86% | $16.83M |
| Vert asset management | 130.24K | 7.13% | $22.48M |
| American assets capital advisers | 33.21K | 6.74% | $6.39M |
| Ldr capital management | 28.16K | 6.53% | $4.86M |
| Maple-brown abbott | 229.14K | 5.12% | $42.03M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 6.67M | 0.13% | 6.67M |
| Vanguard fiduciary trust | 2.70M | 0.12% | 2.70M |
| Federated hermes | 2.76M | 0.77% | 2.16M |
| Blackrock | 38.11M | 0.17% | 1.70M |
| Capital world investors | 5.67M | 0.13% | 1.45M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| J. stern & co. llp | 215.98K | 3.61% | -37.47M |
| Viking global investors lp | - | - | -2.80M |
| Capital investors | 1.14M | 0.05% | -2.73M |
| Franklin resources | 3.34M | 0.14% | -1.99M |
| Price t rowe associates inc /md/ | 4.77M | 0.10% | -892.57K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 6.67M | 0.13% | 6.67M | $1.17B |
| Vanguard fiduciary trust | 2.70M | 0.12% | 2.70M | $465.91M |
| Vanguard global advisers | 1.02M | 0.10% | 1.02M | $176.73M |
| Vanguard asset management | 812.95K | 0.12% | 812.95K | $140.30M |
| Vanguard investments australia | 469.60K | 0.24% | 469.60K | $81.04M |
Sold Out
| Holder | Change |
|---|---|
| Mendota financial group | -1.00 |
| Kohmann bosshard financial services | -1.00 |
| Country trust bank | -1.00 |
| Clean yield group | -1.00 |
| Pacific capital wealth advisors | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 1,782 | -2.84% | 431,047,538 | -9.23% | 91 | 0.89% | 863 | 10.93% | 640 | -21.47% |
| Dec 31, 2025 | 865 | -53.37% | 118,433,349 | -72.35% | 25 | 0.30% | 352 | -54.29% | 417 | -44.77% |
| Sep 30, 2025 | 1,082 | -43.11% | 143,276,334 | -67.10% | 30 | 0.35% | 425 | -51.65% | 467 | -34.41% |
| Jun 30, 2025 | 1,874 | -0.58% | 434,830,940 | 1.20% | 92 | 1.10% | 869 | -2.47% | 698 | -4.51% |
| Mar 31, 2025 | 19 | -98.95% | 2,952,755 | -99.32% | - | 0.01% | 9 | -98.85% | 6 | -99.24% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Real Estate Index Investor | 17.37M | 3.73% | -56.92K |
| Vanguard Total Stock Mkt Idx Inv | 14.85M | 3.19% | 44.90K |
| Vanguard US Total Market Shares ETF | 14.80M | 3.17% | 19.94K |
| Core Plus Full Discretion CIT D | 12.64M | 2.71% | 12.64M |
| Loomis Sayles CPFD CIT | 12.64M | 2.71% | 12.64M |
| Loomis Sayles Inv Grade Bond CIT | 12.64M | 2.71% | 12.64M |
| Vanguard 500 Index Investor | 12.14M | 2.61% | 217.60K |
| iShares Core S&P 500 ETF | 6.06M | 1.30% | 17.75K |
| Fidelity 500 Index | 5.98M | 1.28% | 20.83K |
| SPDR® S&P 500 ETF | 5.81M | 1.24% | -85.25K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Apr 29, 2026 | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | Sell | $73.86K |
| Apr 28, 2026 | Dowling Ruth T | EVP, Chief Admin Ofr, GC & Sec | Sell | $99.23K |
| Mar 10, 2026 | Kalathur Rajesh | - | Buy | $494.94K |
| Mar 04, 2026 | Vondran Steven O | President and CEO | Sell | $336.55K |
| Mar 04, 2026 | Vondran Steven O | President and CEO | Sell | $2.83M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 2 |
| 2026 Q1 | 1 | 13 |
| 2025 Q4 | 1 | - |
| 2025 Q3 | - | 1 |
| 2025 Q2 | - | - |
AMT Ownership FAQ
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