AMT
American Tower Corporation · Real Estate · REIT - Specialty
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +7.9% · net new positions 0.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | 0 | 283.38K | $45.60M | n/a | n/a |
| 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 | n/a |
| Q3 2025 | 25 | 0 | 222.75M | $42.86B | +2 | −3 |
| Q2 2025 | 23 | -1 | 191.62M | $42.38B | n/a | −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 | n/a |
| Q2 2024 | 18 | n/a | 40.82M | $7.93B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 21.25M | +0.6% | $4.62B | 0.2% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 13.23M | +16.6% | $2.87B | 0.2% | ▲ Add | 4 | SEC ↗ ×2 |
| 3 | T. Rowe Price ✦ | 8.14M | +39.6% | $1.77B | 0.2% | ▲ Add | 4 | SEC ↗ ×3 |
| 4 | Wellington Management ✦ | 7.15M | -11.6% | $1.56B | 0.3% | ▼ Trim | 4 | SEC ↗ ×9 |
| 5 | Norges Bank ✦ (passive) | 6.09M | -4.2% | $1.32B | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 6 | Capital World Investors ✦ | 4.03M | -18.1% | $877.26M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 7 | Arrowstreet Capital ✦ | 1.85M | +22.1% | $402.75M | 0.3% | ▲ Add | 4 | SEC ↗ |
| 8 | Fisher Asset Management ✦ | 1.74M | 0.0% | $379.42M | 0.2% | ▲ Add | 4 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 1.52M | +99.3% | $330.03M | 0.3% | ▲ Add | 4 | SEC ↗ ×2 |
| 10 | Point72 Asset Management ✦ | 1.39M | +113.0% | $302.73M | 0.9% | ▲ Add | 4 | SEC ↗ |
| 11 | Viking Global Investors ✦ | 838.80K | -6.5% | $182.52M | 0.6% | ▼ Trim | 2 | SEC ↗ |
| 12 | Marshall Wace ✦ | 692.40K | New | $150.67M | 0.2% | New | 1 | SEC ↗ ×3 |
| 13 | Millennium Management ✦ | 501.79K | +338.6% | $109.19M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 14 | Adage Capital Partners ✦ | 321.11K | +63.3% | $69.87M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 280.43K | +60.1% | $60.78M | 0.1% | ▲ Add | 4 | SEC ↗ ×7 |
| 16 | D. E. Shaw & Co. ✦ | 91.68K | +16.6% | $19.95M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 17 | Gotham Asset Management ✦ | 77.98K | -17.7% | $16.97M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 18 | Baillie Gifford ✦ | 70.10K | -8.0% | $15.25M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 19 | GAMCO Investors ✦ | 27.33K | -10.2% | $5.95M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 20 | Two Sigma Investments ✦ | 19.50K | -79.0% | $4.24M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 21 | Bridgewater Associates ✦ | 3.18K | +64.8% | $692,403 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $150.67M | 0.2% |
Exited
| Renaissance Technologies | $21.25M | was 0.0% |
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