3 hedge funds and family offices disclose a MTZ position in their latest SEC 13F filing — combined $117.1M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Daniel Loeb | Third Point LLC | 320,000 | $103.0M | 4.94% | 2026-03-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 40,138 | $12.9M | 0.06% | 2026-03-31 |
| 3 | George Soros | Soros Fund Management LLC | 3,931 | $1.3M | 0.02% | 2026-03-31 |
As of the latest 13F window, 3 tracked superinvestors hold MTZ. The largest disclosed position is Daniel Loeb at $103.0M (4.9% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying MTZ, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
3 hedge funds and family offices disclose a MTZ position in their latest SEC 13F filing — combined $117.1M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Daniel Loeb | Third Point LLC | 320,000 | $103.0M | 4.94% | 2026-03-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 40,138 | $12.9M | 0.06% | 2026-03-31 |
| 3 | George Soros | Soros Fund Management LLC | 3,931 | $1.3M | 0.02% | 2026-03-31 |
As of the latest 13F window, 3 tracked superinvestors hold MTZ. The largest disclosed position is Daniel Loeb at $103.0M (4.9% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying MTZ, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways