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, Q1 2024
Institutional positions in Mastec Inc as of Mar 31, 2024. 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
- +18 vs. Q4 2023
- Shares held
- 59.1M
- −2.48M (−4.0%) vs. Q4 2023
- Total value
- $5.51B
- +$852.8M (+18.3%) vs. Q4 2023
- New holders
- 63
- 114 more added
- Sold out
- 45
- 134 more reduced
4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Mastec Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Caxton Associates LP | 0 | $0 | 0.00% | −6,838−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −6,814−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −6,644−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −6,584−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −6,200−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −5,719−100.0% | Sold out |
| Whalen Wealth Management Inc. | 0 | $0 | 0.00% | −5,560−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −3,985−100.0% | Sold out |
| Cetera Advisor Networks LLC | 0 | $0 | 0.00% | −3,578−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −2,899−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −2,720−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −2,706−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −1,205−100.0% | Sold out |
| Credit Agricole S A | 0 | $0 | 0.00% | −888−100.0% | Sold out |
| Tradition Wealth Management, LLC | 0 | $0 | 0.00% | −760−100.0% | Sold out |
| Migdal Insurance & Financial Holdings Ltd. | 0 | $0 | 0.00% | −570−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −520−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −467−100.0% | Sold out |
| Bartlett & Co. Wealth Management LLC | 0 | $0 | 0.00% | −305−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −131−100.0% | Sold out |
| Financial Perspectives, Inc | 0 | $0 | 0.00% | −117−100.0% | Sold out |
| TSFG, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −80−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| MV Capital Management, Inc. | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Assetmark, Inc | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Smith, Graham & Co., Investment Advisors, LP | – | – | – | – | Not filed |
| Neo Ivy Capital Management | – | – | – | – | Not filed |
| Bartlett & Co. LLC | – | – | – | – | Not filed |
| Hobbs Group Advisors, LLC | – | – | – | – | Not filed |