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 2021
Institutional positions in Mastec Inc as of Sep 30, 2021. 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
- 366
- −43 vs. Q2 2021
- Shares held
- 52.4M
- −1.96M (−3.6%) vs. Q2 2021
- Total value
- $4.53B
- −$1.24B (−21.5%) vs. Q2 2021
- New holders
- 36
- 134 more added
- Sold out
- 79
- 132 more reduced
6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Private Advisory Group LLC | 0 | $0 | 0.00% | −6,457−100.0% | Sold out |
| Graticule Asia Macro Advisors LLC | 0 | $0 | 0.00% | −6,234−100.0% | Sold out |
| Virginia Retirement Systems Et Al | 0 | $0 | 0.00% | −6,200−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −5,646−100.0% | Sold out |
| Windsor Creek Advisors, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −4,936−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −4,273−100.0% | Sold out |
| Qtron Investments LLC | 0 | $0 | 0.00% | −4,247−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −4,193−100.0% | Sold out |
| Quantamental Technologies LLC | 0 | $0 | 0.00% | −4,154−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −3,628−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −3,319−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −3,227−100.0% | Sold out |
| Private Trust Co NA | 0 | $0 | 0.00% | −3,184−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −3,114−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −3,105−100.0% | Sold out |
| First National Bank of Hutchinson | 0 | $0 | 0.00% | −3,093−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −3,069−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −2,949−100.0% | Sold out |
| Euclidean Technologies Management, LLC | 0 | $0 | 0.00% | −2,850−100.0% | Sold out |
| Skandinaviska Enskilda Banken AB (publ) | 0 | $0 | 0.00% | −2,800−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −2,700−100.0% | Sold out |
| Tokio Marine Asset Management Co Ltd | 0 | $0 | 0.00% | −2,585−100.0% | Sold out |
| Aurora Investment Counsel | 0 | $0 | 0.00% | −2,369−100.0% | Sold out |
| Meristem Family Wealth, LLC | 0 | $0 | 0.00% | −2,250−100.0% | Sold out |
| MONECO Advisors, LLC | 0 | $0 | 0.00% | −2,195−100.0% | Sold out |
| Edmonds Duncan Registered Investment Advisors, LLC | 0 | $0 | 0.00% | −2,144−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −2,037−100.0% | Sold out |
| NBT Bank N A | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Slow Capital, Inc. | 0 | $0 | 0.00% | −1,985−100.0% | Sold out |
| Convergence Investment Partners, LLC | 0 | $0 | 0.00% | −1,799−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −1,436−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −1,403−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −1,253−100.0% | Sold out |
| Carroll Financial Associates, Inc. | 0 | $0 | 0.00% | −572−100.0% | Sold out |
| USA Financial Portformulas Corp | 0 | $0 | 0.00% | −551−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −264−100.0% | Sold out |
| Modus Advisors, LLC | 0 | $0 | 0.00% | −168−100.0% | Sold out |
| Pin Oak Investment Advisors Inc | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Wagner Wealth Management, LLC | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| MUFG Americas Holdings Corp | 0 | $0 | 0.00% | −54−100.0% | Sold out |
| Lee Financial Co | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| ClariVest Asset Management LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Strategic Blueprint, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Coe Capital Management, LLC | – | – | – | – | Not filed |
| Smith Asset Management Group LP | – | – | – | – | Not filed |
| Pictet Asset Management Ltd | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| First Horizon Corp | – | – | – | – | Not filed |
| Castleview Partners, LLC | – | – | – | – | Not filed |