MASTEC INC MTZ
$373.43
-4.4% 52w: $172.51 – $437.51
Latest 13F among current holders filed 5 days ago (Aug 28, 2026)
Price — last 12 months
research preview data172.51305.01437.51
Aug 18, 2025 Jul 2, 2026
Institutional holders
811
+116 QoQ
13F value
$18.64B
+45.8% QoQ
Smart-money holders
66
signal tier ≥ 2
New smart buyers
20
Q1 2026
Options barometer
1.0×
$177.3M calls / $176.9M puts
Institutional value by quarter
Number of holders
Who owns MTZ?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 7.3M | $2.35B | 0.0% | +2.8% |
| PECONIC PARTNERS LLC ★2 | Fundamental concentrated | 3.6M | $1.15B | — | +123.7% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 2.8M | $902.3M | — | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 2.8M | $891.2M | — | — |
| Hill City Capital, LP ★3 | Fundamental concentrated | 2.2M | $693.3M | — | Held |
| STATE STREET CORP | Index provider | 1.9M | $601.6M | 0.0% | +2.4% |
| VICTORY CAPITAL MANAGEMENT INC | Diversified mechanical | 1.6M | $512.4M | 0.3% | -39.6% |
| LONE PINE CAPITAL LLC ★3 | Fundamental concentrated | 1.5M | $492.6M | — | New |
| FIRST TRUST ADVISORS LP | Index provider | 1.4M | $454.2M | 0.3% | +7.6% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 1.4M | $441.5M | — | +12.4% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 1.3M | $427.9M | 0.0% | +6.0% |
| Hood River Capital Management LLC | Other | 1.3M | $416.8M | — | -12.7% |
| Invesco Ltd. | Index provider | 1.2M | $394.4M | 0.0% | -19.4% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 731.6K | $235.3M | — | -16.0% |
| Electron Capital Partners, LLC ★3 | Fundamental concentrated | 713.0K | $229.4M | — | -11.4% |
| NORDEA INVESTMENT MANAGEMENT AB | Other | 733.6K | $228.8M | — | -36.2% |
| Bank of New York Mellon Corp | Diversified mechanical | 656.1K | $211.1M | 0.0% | +3.1% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 660.1K | $209.5M | 0.1% | -9.7% |
| CANADA PENSION PLAN INVESTMENT BOARD | Pension sovereign | 639.0K | $205.6M | 0.1% | +325.6% |
| FMR LLC | Long only active | 627.9K | $202.0M | 0.0% | -5.5% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Index provider | 604.7K | $194.5M | — | +8.4% |
| MORGAN STANLEY | Bank broker | 586.7K | $188.8M | 0.0% | +19.8% |
| COATUE MANAGEMENT LLC ★2 | Fundamental diversified | 583.6K | $187.8M | — | -13.9% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 511.2K | $164.5M | — | +1.8% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 503.2K | $161.9M | 0.1% | -31.3% |
| Qube Research & Technologies Ltd | Quant stat arb | 485.4K | $156.2M | — | +34.5% |
| GOLDMAN SACHS GROUP INC | Bank broker | 474.5K | $152.7M | 0.0% | +35.3% |
| NORTHERN TRUST CORP | Index provider | 472.6K | $152.0M | 0.0% | +3.7% |
| Point72 Asset Management, L.P. | Multistrat pod | 433.1K | $139.3M | 0.3% | -39.9% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 383.8K | $123.5M | — | — |
| UBS Group AG | Bank broker | 381.1K | $122.6M | 0.0% | -15.5% |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | Diversified mechanical | 337.8K | $108.7M | — | -37.8% |
| 140 Summer Partners LP ★2 | Fundamental concentrated | 329.2K | $105.9M | — | -12.0% |
| Third Point LLC ★3 | Activist | 320.0K | $103.0M | — | -65.4% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Bank broker | 316.1K | $101.7M | 0.0% | -0.7% |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 313.4K | $100.8M | 0.1% | +83.2% |
| CITADEL ADVISORS LLC | Multistrat pod | 279.8K | $90.0M | 0.1% | +1215.5% |
| Forest Avenue Capital Management LP ★2 | Fundamental concentrated | 269.9K | $86.8M | — | -45.4% |
| Assenagon Asset Management S.A. | Diversified mechanical | 255.2K | $82.1M | — | +55.1% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Other | 250.0K | $80.4M | — | New |
| BESSEMER GROUP INC | Diversified mechanical | 232.0K | $74.6M | 0.1% | +8079.3% |
| AMERIPRISE FINANCIAL INC | Bank broker | 231.8K | $74.6M | 0.0% | -0.3% |
| RAYMOND JAMES FINANCIAL INC | Bank broker | 231.9K | $73.7M | 0.0% | -15.6% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Quant stat arb | 227.3K | $73.1M | 0.0% | +47.9% |
| Squarepoint Ops LLC | Quant stat arb | 225.7K | $72.6M | 0.2% | +96.8% |
| Anomaly Capital Management, LP ★2 | Fundamental concentrated | 224.5K | $72.2M | — | New |
| Merewether Investment Management, LP ★2 | Fundamental diversified | 223.1K | $71.8M | — | -60.8% |
| Freestone Grove Partners LP | Quant stat arb | 220.4K | $70.9M | — | -51.6% |
| BOWEN HANES & CO INC | Other | 215.5K | $69.3M | — | +10.2% |
| HENNESSY ADVISORS INC | Other | 205.1K | $66.0M | — | -9.5% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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