Wednesday, October 28, 2026
Data from SEC filings, checked daily
Public filings, plainly told
Fund holders13F

Funds That Own MASTEC INC (MTZ)

5 of the 26 major funds we track reported MTZ in their latest 13F, worth $901.9M combined at quarter end.

FundManagerQuarterSharesValue% of portfolioChangeFiled
Lone Pine CapitalStephen Mandel (founder)Q2 20261,345,157$559.7M3.42%▼ −12.1%Aug 14, 2026 ↗
Coatue ManagementPhilippe LaffontQ2 2026517,250$215.2M0.44%▼ −11.4%Aug 14, 2026 ↗
Third PointDan LoebQ2 2026290,000$120.7M2.59%▼ −9.4%Aug 14, 2026 ↗
Soros Fund ManagementGeorge Soros (founder)Q2 20268,275$3.44M0.05%▲ +110.5%Aug 14, 2026 ↗
Bridgewater AssociatesRay Dalio (founder)Q2 20266,969$2.90M0.01%▼ −82.6%Aug 14, 2026 ↗
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

A 13F lists long positions in U.S.-listed stocks and some options at quarter end. It does not show short positions, cash, most foreign holdings, or trades made since. What a 13F can't tell you →