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, Q4 2025
Institutional positions in Mastec Inc as of Dec 31, 2025. 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
- 695
- +54 vs. Q3 2025
- Shares held
- 58.7M
- +1.58M (+2.8%) vs. Q3 2025
- Total value
- $12.8B
- +$615.7M (+5.1%) vs. Q3 2025
- New holders
- 121
- 241 more added
- Sold out
- 67
- 227 more reduced
11 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −55,980−100.0% | Sold out |
| Frontier Capital Management Co LLC | 0 | $0 | 0.00% | −53,702−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −33,751−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −32,500−100.0% | Sold out |
| Concentric Capital Strategies, LP | 0 | $0 | 0.00% | −32,024−100.0% | Sold out |
| AMF Pensionsforsakring AB | 0 | $0 | 0.00% | −23,604−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −20,193−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −19,080−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −17,745−100.0% | Sold out |
| L & S Advisors Inc | 0 | $0 | 0.00% | −15,863−100.0% | Sold out |
| Mubadala Investment Co PJSC | 0 | $0 | 0.00% | −15,320−100.0% | Sold out |
| Edmond de Rothschild Holding S.A. | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Vennlight Capital Management, LP | 0 | $0 | 0.00% | −14,556−100.0% | Sold out |
| Advantage Alpha Capital Partners LP | 0 | $0 | 0.00% | −13,298−100.0% | Sold out |
| NJ State Employees Deferred Compensation Plan | 0 | $0 | 0.00% | −13,000−100.0% | Sold out |
| Gallo Partners, LP | 0 | $0 | 0.00% | −10,800−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −10,524−100.0% | Sold out |
| 1060 Capital, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Strategic Global Advisors, LLC | 0 | $0 | 0.00% | −9,548−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −8,472−100.0% | Sold out |
| Profit Investment Management, LLC | 0 | $0 | 0.00% | −8,330−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −7,300−100.0% | Sold out |
| Ossiam | 0 | $0 | 0.00% | −6,545−100.0% | Sold out |
| Massachusetts Financial Services Co | 0 | $0 | 0.00% | −6,462−100.0% | Sold out |
| Brighton Jones LLC | 0 | $0 | 0.00% | −5,681−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −5,098−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −4,625−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −4,254−100.0% | Sold out |
| SPX Equities Gestao de Recursos Ltda | 0 | $0 | 0.00% | −4,200−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −3,322−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −2,890−100.0% | Sold out |
| Worldquant Millennium Advisors LLC | 0 | $0 | 0.00% | −2,495−100.0% | Sold out |
| Convergence Investment Partners, LLC | 0 | $0 | 0.00% | −2,481−100.0% | Sold out |
| Brookwood Investment Group LLC | 0 | $0 | 0.00% | −2,210−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −1,970−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −1,950−100.0% | Sold out |
| SkyView Investment Advisors, LLC | 0 | $0 | 0.00% | −1,848−100.0% | Sold out |
| Smith Group Asset Management, LLC | 0 | $0 | 0.00% | −1,730−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −1,653−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −1,393−100.0% | Sold out |
| American Trust | 0 | $0 | 0.00% | −1,317−100.0% | Sold out |
| Kovitz Investment Group Partners, LLC | 0 | $0 | 0.00% | −1,186−100.0% | Sold out |
| Flow Traders U.S. LLC | 0 | $0 | 0.00% | −1,122−100.0% | Sold out |
| Change Path, LLC | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −1,062−100.0% | Sold out |
| Pitcairn Co | 0 | $0 | 0.00% | −1,058−100.0% | Sold out |
| Oppenheimer Asset Management Inc. | 0 | $0 | 0.00% | −1,029−100.0% | Sold out |
| PVG Asset Management Corp | 0 | $0 | 0.00% | −996−100.0% | Sold out |
| Brinker Capital Investments, LLC | 0 | $0 | 0.00% | −986−100.0% | Sold out |
| Equitable Holdings, Inc. | 0 | $0 | 0.00% | −953−100.0% | Sold out |
| Wealth Alliance | 0 | $0 | 0.00% | −953−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −667−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −528−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −450−100.0% | Sold out |
| JDM Financial Group LLC | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| Pension & Wealth Management Advisors, Inc. | 0 | $0 | 0.00% | −43−100.0% | Sold out |
| Halbert Hargrove Global Advisors, LLC | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Heartwood Wealth Advisors LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Cloud Capital Management, LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Tortoise Investment Management, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| New Millennium Group LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Pinebridge Investments, L.P. | – | – | – | – | Not filed |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| AXA Investment Managers S.A. | – | – | – | – | Not filed |
| Otter Creek Advisors, LLC | – | – | – | – | Not filed |
| Wolverine Trading, LLC | – | – | – | – | Not filed |
| Sheets Smith Investment Management | – | – | – | – | Not filed |
| Full Sail Capital, LLC | – | – | – | – | Not filed |
| Point72 Hong Kong Ltd | – | – | – | – | Not filed |
| Shell Asset Management Co | – | – | – | – | Not filed |
| Hemington Wealth Management | – | – | – | – | Not filed |
| Creekmur Asset Management LLC | – | – | – | – | Not filed |