The smart money on MTZ

Every signal we track for MTZ in one place: which legendary investors hold it, which members of Congress traded it, insider open-market buys, and activist stakes. From public SEC and STOCK Act filings. Free — not investment advice.

2
Superinvestors
1
Congress trades
0
Insider buys
0
Activist stakes

Superinvestors · 2 of 15 hold it

Investor% of portfolioPositionLast quarter
Philippe Laffont0.4%$215MTRIMMED
Dan Loeb2.6%$121MTRIMMED

Congress · 1 disclosed trade

Trade dateMemberActionAmount
2026-08-21Hon. Thomas H. Kean Jr NJ07BUY$1.001k–$15k

Follow these investors free →See all Congress trades

13F is a quarterly snapshot (up to 45 days late); Congress and insider filings land within days. Public data, not investment advice.

Building on this? Get insider trades, 8-K, 13F and 13D as JSON from the SEC EDGAR API.