Institutional Holders (2026 Q1)
200 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in MRX. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Grandeur Peak Global Advisors, LLC | 13.84% | 1,325,195 | $59.1M |
| 2 | Praetorian PR LLC | 8.11% | 500,000 | $22.3M |
| 3 | Ophir Asset Management Pty Ltd | 6.47% | 1,246,546 | $55.6M |
| 4 | Deltroit Asset Management (UK) LLP | 3.22% | 449,773 | $20.1M |
| 5 | Engle Capital Management, L.P. | 3.05% | 200,996 | $9.0M |
| 6 | Granahan Investment Management, LLC | 2.64% | 1,223,750 | $54.6M |
| 7 | Epacria Capital Partners, LLC | 2.26% | 65,400 | $2.9M |
| 8 | Globeflex Capital L P | 1.43% | 212,125 | $9.5M |
| 9 | Samlyn Capital, LLC | 1.28% | 1,688,877 | $75.3M |
| 10 | Moody Aldrich Partners LLC | 1.12% | 139,793 | $6.2M |
| 11 | Sidoxia Capital Management, LLC | 1.04% | 27,111 | $1.2M |
| 12 | Militia Capital Management LLC | 0.86% | 85,531 | $3.8M |
| 13 | Dauntless Investment Group, LLC | 0.60% | 20,322 | $906K |
| 14 | Intrinsic Edge Capital Management LLC | 0.59% | 80,000 | $3.6M |
| 15 | Royce & Associates LP | 0.55% | 1,252,790 | $55.8M |
| 16 | Seven Grand Managers, LLC | 0.37% | 125,000 | $5.6M |
| 17 | Moody National Bank Trust Division | 0.37% | 86,630 | $3.9M |
| 18 | Renaissance Group LLC | 0.36% | 190,900 | $8.5M |
| 19 | Massar Capital Management, LP | 0.35% | 73,696 | $3.3M |
| 20 | Neo Ivy Capital Management | 0.35% | 29,863 | $1.3M |
| 21 | William Blair Investment Management, LLC | 0.23% | 1,566,181 | $69.8M |
| 22 | Yorktown Management & Research Co Inc | 0.22% | 5,900 | $263K |
| 23 | Thornburg Investment Management Inc | 0.19% | 408,877 | $18.2M |
| 24 | Westwood Holdings Group Inc | 0.17% | 537,856 | $24.0M |
| 25 | Ponta Wealth Partners, LLC | 0.17% | 4,762 | $212K |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|