Institutional Holders (2026 Q1)
421 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in MAT. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Southeastern Asset Management Inc/Tn/ | 9.16% | 12,812,157 | $186.2M |
| 2 | Serenity Capital Management PTE. LTD. | 7.02% | 2,002,032 | $29.1M |
| 3 | EdgePoint Investment Group Inc. | 5.72% | 49,140,882 | $714.0M |
| 4 | Seven Six Capital Management, LLC | 2.27% | 145,200 | $2.1M |
| 5 | Ariel Investments, LLC | 2.21% | 13,567,083 | $197.1M |
| 6 | Kennondale Capital Management LLC | 1.08% | 103,235 | $1.5M |
| 7 | Long Focus Capital Management, LLC | 0.73% | 1,919,166 | $27.9M |
| 8 | Galvin, Gaustad & Stein, LLC | 0.65% | 558,382 | $8.1M |
| 9 | III Capital Management | 0.61% | 144,519 | $2.1M |
| 10 | Teza Capital Management LLC | 0.59% | 11,123 | $162K |
| 11 | Interval Partners, LP | 0.45% | 1,193,062 | $17.3M |
| 12 | Havemeyer Place LP | 0.40% | 237,548 | $3.5M |
| 13 | 44 Wealth Management LLC | 0.38% | 74,484 | $1.1M |
| 14 | Primecap Management Co/Ca/ | 0.34% | 29,697,924 | $431.5M |
| 15 | Foyston, Gordon & Payne Inc | 0.30% | 88,157 | $1.3M |
| 16 | Fox Run Management, L.L.C. | 0.28% | 111,858 | $1.6M |
| 17 | Oxford Asset Management LLP | 0.27% | 43,006 | $625K |
| 18 | WINTON GROUP Ltd | 0.26% | 509,872 | $7.4M |
| 19 | Taproot Management LP | 0.26% | 93,672 | $1.4M |
| 20 | Frontier Capital Management Co LLC | 0.25% | 1,691,423 | $24.6M |
| 21 | VARCOV Co. | 0.22% | 40,256 | $585K |
| 22 | Edmond de Rothschild Holding S.A. | 0.20% | 960,000 | $13.9M |
| 23 | Hbk Investments L P | 0.19% | 1,300,000 | $18.9M |
| 24 | Alyeska Investment Group, L.P. | 0.19% | 4,608,679 | $67.0M |
| 25 | CastleKnight Management LP | 0.17% | 715,376 | $10.4M |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|