Mastec Inc
MTZ- Exchange
- NYSE
- Industry
- Water, Sewer, Pipeline, Comm & Power Line Construction
- SEC CIK
- 0000015615
No open-market purchases or sales by Mastec Inc insiders were filed in the last 90 days; 911 institutions reported holding it in 13F filings for Q2 2026, worth $24.7B in total; 4 superinvestors hold it, including Lone Pine Capital and Coatue Management.
13F holders, Q3 2023
Institutional positions in Mastec Inc as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 382
- −5 vs. Q2 2023
- Shares held
- 57.1M
- −963.7K (−1.7%) vs. Q2 2023
- Total value
- $4.11B
- −$2.72B (−39.8%) vs. Q2 2023
- New holders
- 60
- 112 more added
- Sold out
- 65
- 141 more reduced
6 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MTZ on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 911 | $24.7B |
| Q1 2026 | 811 | $18.6B |
| Q4 2025 | 695 | $12.8B |
| Q3 2025 | 652 | $12.2B |
| Q2 2025 | 594 | $9.50B |
| Q1 2025 | 523 | $6.56B |
| Q4 2024 | 532 | $7.83B |
| Q3 2024 | 470 | $7.09B |
| Q2 2024 | 430 | $6.35B |
| Q1 2024 | 382 | $5.51B |
| Q4 2023 | 368 | $4.66B |
| Q3 2023 | 382 | $4.11B |
| Q2 2023 | 393 | $6.85B |
| Q1 2023 | 394 | $5.49B |
| Q4 2022 | 386 | $4.97B |
| Q3 2022 | 338 | $3.53B |
| Q2 2022 | 356 | $3.91B |
| Q1 2022 | 388 | $4.70B |
| Q4 2021 | 388 | $4.77B |
| Q3 2021 | 366 | $4.53B |
| Q2 2021 | 415 | $5.77B |
| Q1 2021 | 392 | $5.59B |
Institutions, Q3 2023
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Caption Management, LLC | 0 | $0 | 0.00% | −19,000−100.0% | Sold out |
| Dai-Ichi Life Insurance Company, Ltd | 0 | $0 | 0.00% | −17,382−100.0% | Sold out |
| Dana Investment Advisors, Inc. | 0 | $0 | 0.00% | −16,240−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −14,909−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −12,915−100.0% | Sold out |
| Ausbil Investment Management Ltd | 0 | $0 | 0.00% | −11,652−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −7,085−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −7,000−100.0% | Sold out |
| Sandbar Asset Management LLP | 0 | $0 | 0.00% | −6,750−100.0% | Sold out |
| Jade Capital Advisors, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Weil Company, Inc. | 0 | $0 | 0.00% | −4,847−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −4,632−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −3,944−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −3,599−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −3,566−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −3,408−100.0% | Sold out |
| Moody Aldrich Partners LLC | 0 | $0 | 0.00% | −2,925−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −2,753−100.0% | Sold out |
| CastleKnight Management LP | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |
| Kaizen Financial Strategies | 0 | $0 | 0.00% | −2,450−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −2,370−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −2,207−100.0% | Sold out |
| Peapack Gladstone Financial Corp | 0 | $0 | 0.00% | −2,184−100.0% | Sold out |
| Mainstay Capital Management LLC | 0 | $0 | 0.00% | −2,165−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −2,117−100.0% | Sold out |
| DMG Group, LLC | 0 | $0 | 0.00% | −2,094−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −2,005−100.0% | Sold out |
| Focus Financial Network, Inc. | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −1,961−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −1,953−100.0% | Sold out |
| United Capital Financial Advisers, LLC | 0 | $0 | 0.00% | −1,938−100.0% | Sold out |
| Guyasuta Investment Advisors Inc | 0 | $0 | 0.00% | −1,930−100.0% | Sold out |
| Veracity Capital LLC | 0 | $0 | 0.00% | −1,846−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −1,826−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −1,798−100.0% | Sold out |
| Wiley Bros.-Aintree Capital, LLC | 0 | $0 | 0.00% | −1,750−100.0% | Sold out |
| ICA Group Wealth Management, LLC | 0 | $0 | 0.00% | −308−100.0% | Sold out |
| Horan Securities, Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Kessler Investment Group, LLC | 0 | $0 | 0.00% | −174−100.0% | Sold out |
| Liberty One Investment Management, LLC | 0 | $0 | 0.00% | −153−100.0% | Sold out |
| Tilia Fiduciary Partners, Inc. | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| West Tower Group, LLC | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Motco | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Disciplined Investments, LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| PFS Investments Inc. | – | – | – | – | Not filed |
| Lansing Street Advisors | – | – | – | – | Not filed |
| Blue Rock Advisors, LLC | – | – | – | – | Not filed |
| Pictet Asset Management SA | – | – | – | – | Not filed |
| Endurance Wealth Management, Inc. | – | – | – | – | Not filed |
| Sentinus, LLC | – | – | – | – | Not filed |