AMT
American Tower Corporation · Real Estate · REIT - Specialty
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -3.8% · net new positions -4.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 180 | 0 | 331.17M | $54.26B | +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 | The Vanguard Group ✦ (passive) | 63.64M | +1.0% | $12.24B | 0.2% | ▲ Add | 2 | SEC ↗ ×6 |
| 2 | BlackRock ✦ (passive) | 45.40M | -0.6% | $8.73B | 0.2% | ▼ Trim | 2 | SEC ↗ ×22 |
| 3 | JPMorgan Chase ✦ | 30.76M | — | $5.92B | 0.2% | n/c | 1 | SEC ↗ ×42 |
| 4 | State Street Global Advisors ✦ (passive) | 20.92M | -0.9% | $4.06B | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 13.27M | +1.3% | $2.54B | 0.2% | ▲ Add | 6 | SEC ↗ ×2 |
| 6 | Fidelity (FMR) ✦ | 12.25M | -9.9% | $2.36B | 0.1% | ▼ Trim | 2 | SEC ↗ ×6 |
| 7 | Morgan Stanley ✦ | 10.03M | — | $1.93B | 0.1% | n/c | 1 | SEC ↗ ×24 |
| 8 | T. Rowe Price ✦ | 6.20M | -18.7% | $1.19B | 0.1% | ▼ Trim | 6 | SEC ↗ ×3 |
| 9 | Goldman Sachs Group ✦ | 5.34M | — | $1.03B | 0.1% | n/c | 1 | SEC ↗ ×6 |
| 10 | Capital World Investors ✦ | 4.21M | +4.2% | $809.42M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 11 | Arrowstreet Capital ✦ | 2.80M | +35.0% | $537.73M | 0.3% | ▲ Add | 6 | SEC ↗ |
| 12 | Wellington Management ✦ | 2.60M | -65.7% | $499.58M | 0.1% | ▼ Trim | 6 | SEC ↗ ×8 |
| 13 | Fisher Asset Management ✦ | 1.84M | +0.8% | $352.91M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 14 | Two Sigma Investments ✦ | 804.76K | +733.1% | $154.77M | 0.2% | ▲ Add | 6 | SEC ↗ |
| 15 | Point72 Asset Management ✦ | 620.12K | -43.5% | $119.26M | 0.3% | ▼ Trim | 6 | SEC ↗ |
| 16 | Citadel Advisors ✦ | 555.57K | New | $106.85M | 0.1% | New | 1 | SEC ↗ ×2 |
| 17 | Adage Capital Partners ✦ | 425.81K | -8.2% | $81.89M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 356.22K | -7.6% | $68.51M | 0.0% | ▼ Trim | 6 | SEC ↗ ×5 |
| 19 | Millennium Management ✦ | 282.89K | +10.9% | $54.41M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 20 | D. E. Shaw & Co. ✦ | 150.07K | +3796.9% | $28.86M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 21 | Gotham Asset Management ✦ | 118.10K | +34.8% | $22.71M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 22 | Renaissance Technologies ✦ | 74.94K | New | $14.41M | 0.0% | New | 1 | SEC ↗ |
| 23 | Baillie Gifford ✦ | 65.27K | -3.8% | $12.55M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 24 | Bridgewater Associates ✦ | 29.67K | +755.8% | $5.71M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 25 | GAMCO Investors ✦ | 25.29K | -8.3% | $4.86M | 0.0% | ▼ Trim | 6 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Citadel Advisors | $106.85M | 0.1% |
| Renaissance Technologies | $14.41M | 0.0% |
Exited
| Norges Bank | $1.37B | was 0.2% |
| Viking Global Investors | $618.22M | was 1.8% |
| Marshall Wace | $112.64M | was 0.1% |
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