AMT
American Tower Corporation · Real Estate · REIT - Specialty
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 180 | 0 | 331.46M | $54.32B | +3 | −2 |
| Q1 2026 | 182 | +1 | 326.66M | $56.34B | +5 | −5 |
| Q4 2025 | 180 | +1 | 365.57M | $64.21B | +2 | — |
| Q3 2025 | 25 | 0 | 222.75M | $42.86B | +2 | −3 |
| Q2 2025 | 23 | -1 | 191.62M | $42.38B | — | −1 |
| Q1 2025 | 21 | 0 | 69.31M | $15.07B | +1 | −1 |
| Q4 2024 | 21 | 0 | 64.21M | $11.80B | +2 | −2 |
| Q3 2024 | 20 | +2 | 41.47M | $9.63B | +2 | — |
| Q2 2024 | 18 | — | 40.82M | $7.93B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Wellington Management ✦ | 11.83M | — | $2.30B | 0.4% | n/c | 1 | SEC ↗ |
| 2 | Wellington Management ✦ | 11.83M | — | $2.30B | 0.4% | n/c | 1 | SEC ↗ |
| 3 | Wellington Management ✦ | 11.83M | — | $2.30B | 0.4% | n/c | 1 | SEC ↗ |
| 4 | Wellington Management ✦ | 11.83M | — | $2.30B | 0.4% | n/c | 1 | SEC ↗ |
| 5 | Wellington Management ✦ | 11.83M | — | $2.30B | 0.4% | n/c | 1 | SEC ↗ |
| 6 | Wellington Management ✦ | 11.83M | — | $2.30B | 0.4% | n/c | 1 | SEC ↗ |
| 7 | Wellington Management ✦ | 11.83M | — | $2.30B | 0.4% | n/c | 1 | SEC ↗ |
| 8 | Wellington Management ✦ | 11.83M | — | $2.30B | 0.4% | n/c | 1 | SEC ↗ |
| 9 | Wellington Management ✦ | 11.83M | — | $2.30B | 0.4% | n/c | 1 | SEC ↗ |
| 10 | Geode Capital Management ✦ (passive) | 11.01M | — | $2.13B | 0.2% | n/c | 1 | SEC ↗ |
| 11 | Geode Capital Management ✦ (passive) | 11.01M | — | $2.13B | 0.2% | n/c | 1 | SEC ↗ |
| 12 | Norges Bank ✦ (passive) | 5.85M | — | $1.14B | 0.2% | n/c | 1 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 5.52M | — | $1.07B | 0.1% | n/c | 1 | SEC ↗ |
| 14 | T. Rowe Price ✦ | 5.52M | — | $1.07B | 0.1% | n/c | 1 | SEC ↗ |
| 15 | T. Rowe Price ✦ | 5.52M | — | $1.07B | 0.1% | n/c | 1 | SEC ↗ |
| 16 | Capital World Investors ✦ | 2.01M | — | $391.26M | 0.1% | n/c | 1 | SEC ↗ |
| 17 | Fisher Asset Management ✦ | 1.68M | — | $326.30M | 0.1% | n/c | 1 | SEC ↗ |
| 18 | Point72 Asset Management ✦ | 860.27K | — | $167.22M | 0.6% | n/c | 1 | SEC ↗ |
| 19 | Marshall Wace ✦ | 461.74K | — | $89.75M | 0.1% | n/c | 1 | SEC ↗ |
| 20 | Marshall Wace ✦ | 461.74K | — | $89.75M | 0.1% | n/c | 1 | SEC ↗ |
| 21 | Millennium Management ✦ | 444.17K | — | $86.34M | 0.1% | n/c | 1 | SEC ↗ |
| 22 | Arrowstreet Capital ✦ | 413.49K | — | $80.37M | 0.1% | n/c | 1 | SEC ↗ |
| 23 | Adage Capital Partners ✦ | 207.91K | — | $40.41M | 0.1% | n/c | 1 | SEC ↗ |
| 24 | Baillie Gifford ✦ | 157.78K | — | $30.67M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Baillie Gifford ✦ | 157.78K | — | $30.67M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | AQR Capital Management ✦ | 146.99K | — | $28.57M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | AQR Capital Management ✦ | 146.99K | — | $28.57M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | AQR Capital Management ✦ | 146.99K | — | $28.57M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | AQR Capital Management ✦ | 146.99K | — | $28.57M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | AQR Capital Management ✦ | 146.99K | — | $28.57M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Two Sigma Investments ✦ | 66.00K | — | $12.83M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Markel Group ✦ | 51.91K | — | $10.09M | 0.1% | n/c | 1 | SEC ↗ |
| 33 | Markel Group ✦ | 51.91K | — | $10.09M | 0.1% | n/c | 1 | SEC ↗ |
| 34 | Gotham Asset Management ✦ | 50.34K | — | $9.79M | 0.1% | n/c | 1 | SEC ↗ |
| 35 | GAMCO Investors ✦ | 32.12K | — | $6.24M | 0.1% | n/c | 1 | SEC ↗ |
| 36 | Citadel Advisors ✦ | 19.41K | — | $3.77M | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,737 holders, 416.18M shares, $67.33B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Director · 2.83K sh @ 177.00 · $500,733
Open-market sales (S)
No open-market insider sales in our coverage window.
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology