MTZ
MasTec, Inc. · Industrials · Engineering & Construction
Momentum inputs (comparable managers):
holder breadth +16.7% ·
share flow -4.0% ·
net new positions +14.3%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 152 | 0 | 38.87M | $16.18B | +9 | −8 |
| Q1 2026 | 154 | +7 | 37.61M | $12.07B | +11 | −5 |
| Q4 2025 | 146 | +4 | 41.17M | $8.95B | +5 | — |
| Q3 2025 | 18 | -2 | 22.22M | $4.73B | +1 | −4 |
| Q2 2025 | 18 | +2 | 21.57M | $3.68B | +2 | — |
| Q1 2025 | 13 | -1 | 6.17M | $714.27M | — | −1 |
| Q4 2024 | 14 | +2 | 7.54M | $1.03B | +2 | — |
| Q3 2024 | 11 | 0 | 5.95M | $732.85M | — | — |
| Q2 2024 | 11 | — | 5.85M | $625.58M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 1.90M | — | $259.05M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Millennium Management ✦ | 1.46M | -16.7% | $198.81M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.03M | 0.0% | $139.74M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 1.03M | 0.0% | $139.74M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | AQR Capital Management ✦ | 779.47K | +13.3% | $106.12M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 6 | AQR Capital Management ✦ | 779.47K | +13.3% | $106.12M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 7 | AQR Capital Management ✦ | 779.47K | +13.3% | $106.12M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 779.47K | +13.3% | $106.12M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 9 | Point72 Asset Management ✦ | 734.21K | -4.0% | $99.96M | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 669.24K | -24.7% | $91.11M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 11 | Arrowstreet Capital ✦ | 440.06K | New | $59.91M | 0.0% | New | 1 | SEC ↗ |
| 12 | Gotham Asset Management ✦ | 167.69K | -13.2% | $22.83M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 13 | Renaissance Technologies ✦ | 121.72K | New | $16.57M | 0.0% | New | 1 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 72.87K | +852.7% | $9.92M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Norges Bank ✦ (passive) | 56.29K | +292.4% | $7.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | T. Rowe Price ✦ | 46.12K | +4.3% | $6.28M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | Marshall Wace ✦ | 39.48K | -92.1% | $5.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Marshall Wace ✦ | 39.48K | -92.1% | $5.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | Marshall Wace ✦ | 39.48K | -92.1% | $5.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | Two Sigma Investments ✦ | 27.07K | -62.8% | $3.69M | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Arrowstreet Capital | $59.91M | 0.0% |
| Renaissance Technologies | $16.57M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 793 holders, 57.78M shares, $18.15B 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.
7.7% of class · View original SEC filing ↗
14.8% of class · View original SEC filing ↗