Canonical: https://ownershiptrace.com/13f/companies/1192

# Who owns MASTEC INC (MTZ)? Elite investor 13F holders

6 tracked elite investors reported holding MASTEC INC as of 2026-06-30, including Lone Pine Capital, Third Point, D.E. Shaw, Gotham Asset Management, Bridgewater Associates. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

6 tracked investors currently reported holding · Latest report period: 2026-06-30 · Industrials · Capital Goods

MasTec, Inc., an infrastructure engineering and construction company, provides engineering, building, installation, maintenance, and upgrade services for communications, energy, utility, and other infrastructure primarily in the United States and Canada. It operates through five segments: Communications, Clean Energy and Infrastructure, Power Delivery, Pipeline Infrastructure, and Other. The…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Lone Pine Capital](https://ownershiptrace.com/13f/investors/71) | MASTEC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 559666021.00 USD | 1345157.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1061165/0000919574-26-005485-index.html) |
| [Third Point](https://ownershiptrace.com/13f/investors/22) | MASTEC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 120657400.00 USD | 290000.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1040273/0001040273-26-000003-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | MASTEC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 74991902.00 USD | 180243.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | MASTEC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 63069287.00 USD | 151587.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) |
| [Muhlenkamp & Company](https://ownershiptrace.com/13f/investors/90) | MASTEC INC | SHARE | 2026-06-30 | 2026-08-18 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1133219/0001133219-26-000003-index.html) |
| [Bridgewater Associates](https://ownershiptrace.com/13f/investors/8) | MASTEC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 2899522.00 USD | 6969.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1350694/0001350694-26-000003-index.html) |
| [GMO](https://ownershiptrace.com/13f/investors/94674) | MASTEC INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 352403.00 USD | 847.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1352662/0001072613-26-000636-index.html) |
| [Ancora Advisors / Ancora Holdings](https://ownershiptrace.com/13f/investors/101) | MASTEC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1446114/0001446114-26-000012-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

This public summary shows the default reporting scope. Enable JavaScript for interactive filters, charts, and additional rows.

[How to read the data](https://ownershiptrace.com/docs#reading-the-data) · [Disclaimer](https://ownershiptrace.com/disclaimer)