MTZ - MASTEC INC
This page shows which of the focused investors we track hold MTZ and how their positions changed, so you can see how much conviction the group has in the stock.
In Q1 2026 it was held by 2 managers with an aggregate reported value of $595.56M, which is 0.05% of the combined portfolio.
As of Q1 2026, 2 tracked institutional managers held MTZ (MASTEC INC) with an aggregate reported value of $595.56M — 0.05% of the combined AlphaBaseline portfolio.
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- Source
- Curated SEC 13F filings
- Period
- Q1 2026
- Ticker
- MTZ
13F data is delayed and excludes shorts/non-13F assets.
Holders
| 1 | Stephen Mandel - Lone Pine Capital | 3.93% | New | 1,531,050 | $492.6M |
| 2 | Daniel Loeb - Third Point | 4.94% | Reduce -65.4% | 320,000 | $102.96M |
Loading holder history for MTZ…