Institutional Holders (2026 Q2)
213 + 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 | Praetorian PR LLC | 9.71% | 500,000 | $30.5M |
| 2 | Ophir Asset Management Pty Ltd | 6.98% | 1,391,511 | $84.8M |
| 3 | Epacria Capital Partners, LLC | 3.08% | 65,400 | $4.0M |
| 4 | Granahan Investment Management, LLC | 2.72% | 1,254,283 | $76.4M |
| 5 | Intrinsic Edge Capital Management LLC | 1.72% | 272,776 | $16.6M |
| 6 | Samlyn Capital, LLC | 1.47% | 1,483,250 | $90.4M |
| 7 | Engle Capital Management, L.P. | 1.32% | 79,037 | $4.8M |
| 8 | Sidoxia Capital Management, LLC | 1.21% | 27,155 | $1.7M |
| 9 | Moody Aldrich Partners LLC | 1.20% | 109,733 | $6.7M |
| 10 | Wasatch Advisors LP | 0.67% | 1,683,061 | $102.6M |
| 11 | Royce & Associates LP | 0.55% | 1,111,339 | $67.7M |
| 12 | Dauntless Investment Group, LLC | 0.49% | 10,324 | $629K |
| 13 | Moody National Bank Trust Division | 0.46% | 91,388 | $5.6M |
| 14 | Militia Capital Management LLC | 0.39% | 85,531 | $3.8M |
| 15 | Marble Bar Asset Management LLP | 0.38% | 9,000 | $549K |
| 16 | Genesee Capital Advisors, LLC | 0.34% | 17,623 | $1.1M |
| 17 | Algert Global LLC | 0.30% | 411,697 | $25.1M |
| 18 | Bayforest Capital Ltd | 0.30% | 5,253 | $320K |
| 19 | Formula Growth Ltd | 0.29% | 13,700 | $835K |
| 20 | Uniplan Investment Counsel, Inc. | 0.26% | 45,412 | $2.8M |
| 21 | Yorktown Management & Research Co Inc | 0.22% | 5,900 | $360K |
| 22 | BankChampaign, National Association | 0.19% | 4,082 | $249K |
| 23 | Renaissance Group LLC | 0.19% | 75,675 | $4.6M |
| 24 | William Blair Investment Management, LLC | 0.18% | 1,009,199 | $61.5M |
| 25 | Susquehanna Fundamental Investments, LLC | 0.18% | 155,555 | $9.5M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|