Security record · archived quarter
MTZ
MasTec, Inc. · Industrials · Engineering & Construction
11Tracked holders
—Δ holders
5.85MShares held
$625.58MReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
Ownership over time
| 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 | — | — |
Who holds it · Q2 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Citadel Advisors ✦ | 1.75M | — | $187.23M | 0.2% | n/c | 1 | SEC ↗ |
| 2 | Citadel Advisors ✦ | 1.75M | — | $187.23M | 0.2% | n/c | 1 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 1.01M | — | $108.03M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 1.01M | — | $108.03M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Norges Bank ✦ (passive) | 762.82K | — | $81.61M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Marshall Wace ✦ | 718.09K | — | $76.83M | 0.1% | n/c | 1 | SEC ↗ |
| 7 | Marshall Wace ✦ | 718.09K | — | $76.83M | 0.1% | n/c | 1 | SEC ↗ |
| 8 | Millennium Management ✦ | 609.23K | — | $65.18M | 0.1% | n/c | 1 | SEC ↗ |
| 9 | Point72 Asset Management ✦ | 484.61K | — | $51.85M | 0.2% | n/c | 1 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 262.50K | — | $28.09M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 262.50K | — | $28.09M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 262.50K | — | $28.09M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | Gotham Asset Management ✦ | 170.01K | — | $18.19M | 0.2% | n/c | 1 | SEC ↗ |
| 14 | T. Rowe Price ✦ | 45.47K | — | $4.87M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | Two Sigma Investments ✦ | 21.90K | — | $2.34M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | D. E. Shaw & Co. ✦ | 12.73K | — | $1.36M | 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): 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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 13
SC 13D/A — MAS JOSE RAMON
7.7% of class · View original SEC filing ↗
Aug 13
SC 13D/A — MAS JORGE
14.8% of class · View original SEC filing ↗
Jul 29
SC 13G/A — BlackRock, Inc.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2024 ·
Methodology ·
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