DOSSIER · 13F Holders · Q1 2026
MASTEC INC
6 institutions still hold MASTEC INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 576323909·6 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
6 institutions reported MASTEC INC in Q1 2026. COOPER CREEK PARTNERS MANAGEMENT LLC leads at 37.4% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.