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.
Q1 2024 vs. Q4 2023
How the institutions holding Mastec Inc changed between Q4 2023 and Q1 2024.
All holders in Q1 2024All holders in Q4 2023
| Measure | Q4 2023 | Of which not filed for Q1 2024 | Q1 2024 | Change |
|---|---|---|---|---|
| Holders | 368 | 4 | 382 | +18 |
| Shares | 61.6M | 87.1K | 59.1M | −2.48M (−4.0%) |
| Value | $4.66B | $6.59M | $5.51B | +$852.8M (+18.3%) |
4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so the changes leave them out.
New holders (63)
Institutions that held Mastec Inc at the end of Q1 2024 but not at the end of Q4 2023.
Sold out (45)
Institutions that held Mastec Inc at the end of Q4 2023 and filed for Q1 2024 without it.
Not filed for Q1 2024 yet (4)
Institutions that held Mastec Inc at the end of Q4 2023 and haven't filed a 13F for Q1 2024. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2023 | Value, Q4 2023 |
|---|---|---|
| Smith, Graham & Co., Investment Advisors, LP | 85,158 | $6.45M |
| Neo Ivy Capital Management | 1,349 | $102.0K |
| Bartlett & Co. LLC | 305 | $23.0K |
| Hobbs Group Advisors, LLC | 250 | $18.9K |