Ticker: MRX CUSIP: G5S37H101 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Institution | Shares | Value ($000) |
|---|---|---|
| Ophir Asset Management Pty Ltd | 1,087,160 | $41,703 |
| Sparta 24 Ltd. | 32,581 | $1,250 |
| Portolan Capital Management, LLC | 418,745 | $16,063 |
| Dauntless Investment Group, LLC | 22,000 | $844 |
| EPACRIA CAPITAL PARTNERS, LLC | 16,607 | $637 |
| Yorktown Management & Research Co Inc | 5,900 | $226 |
| FOX RUN MANAGEMENT, L.L.C. | 17,995 | $690 |
| Transcendent Capital Group LLC | 6,661 | $256 |
| VICTORY CAPITAL MANAGEMENT INC | 670,025 | $25,702 |
| MANGROVE PARTNERS IM, LLC | 8,970 | $344 |
| Laurion Capital Management LP | 20,710 | $794 |
| Neo Ivy Capital Management | 3,438 | $132 |
| Calamos Advisors LLC | 83,206 | $3,192 |
| Swedbank AB | 213,413 | $8,187 |
| MIRABELLA FINANCIAL SERVICES LLP | 5,265 | $202 |
| WASATCH ADVISORS LP | 30,992 | $1,189 |
| Sanctuary Advisors, LLC | 25,264 | $969 |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 38,204 | $1,466 |
| Boston Partners | 50,139 | $1,923 |
| BARCLAYS PLC | 85,867 | $3,294 |
| Institution | Prev Shares | Curr Shares | Change |
|---|---|---|---|
| Praetorian PR LLC | 400,000 | 500,000 | +100,000 (+25.0%) |
| Granahan Investment Management, LLC | 1,054,954 | 1,376,993 | +322,039 (+30.5%) |
| Grandeur Peak Global Advisors, LLC | 1,753,821 | 1,779,743 | +25,922 (+1.5%) |
| Moody Aldrich Partners LLC | 112,300 | 141,140 | +28,840 (+25.7%) |
| SAMLYN CAPITAL, LLC | 798,227 | 1,141,911 | +343,684 (+43.1%) |
| North Reef Capital Management LP | 52,191 | 190,000 | +137,809 (+264.0%) |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 368,449 | 1,738,927 | +1,370,478 (+372.0%) |
| GLOBEFLEX CAPITAL L P | 209,667 | 215,606 | +5,939 (+2.8%) |
| MOODY NATIONAL BANK TRUST DIVISION | 74,485 | 98,230 | +23,745 (+31.9%) |
| Militia Capital Partners, LP | 36,000 | 40,000 | +4,000 (+11.1%) |
| GLENMEDE TRUST CO NA | 15,365 | 326,415 | +311,050 (+2024.4%) |
| THORNBURG INVESTMENT MANAGEMENT INC | 1,049,351 | 1,102,143 | +52,792 (+5.0%) |
| Artisan Partners Limited Partnership | 537,003 | 904,957 | +367,954 (+68.5%) |
| BALYASNY ASSET MANAGEMENT L.P. | 1,201,588 | 1,396,390 | +194,802 (+16.2%) |
| LOOMIS SAYLES & CO L P | 1,786,767 | 1,935,503 | +148,736 (+8.3%) |
| Main Street Financial Solutions, LLC | 45,000 | 50,000 | +5,000 (+11.1%) |
| DEUTSCHE BANK AG\ | 41,198 | 496,560 | +455,362 (+1105.3%) |
| Marex Group plc | 61,172 | 103,500 | +42,328 (+69.2%) |
| Quantbot Technologies LP | 26,014 | 36,535 | +10,521 (+40.4%) |
| ALGERT GLOBAL LLC | 271,631 | 312,351 | +40,720 (+15.0%) |
| Institution | Prev Shares | Curr Shares | Change |
|---|---|---|---|
| Engle Capital Management, L.P. | 330,119 | 190,900 | -139,219 (-42.2%) |
| ROYCE & ASSOCIATES LP | 1,418,932 | 1,260,709 | -158,223 (-11.2%) |
| Cinctive Capital Management LP | 90,000 | 50,000 | -40,000 (-44.4%) |
| FJ Capital Management LLC | 95,683 | 81,199 | -14,484 (-15.1%) |
| Jump Financial, LLC | 110,400 | 7,515 | -102,885 (-93.2%) |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 674,238 | 422,471 | -251,767 (-37.3%) |
| Engineers Gate Manager LP | 99,539 | 22,586 | -76,953 (-77.3%) |
| RENAISSANCE GROUP LLC | 211,021 | 194,680 | -16,341 (-7.7%) |
| MARSHALL WACE, LLP | 656,580 | 114,417 | -542,163 (-82.6%) |
| Alyeska Investment Group, L.P. | 352,375 | 152,375 | -200,000 (-56.8%) |
| RENAISSANCE TECHNOLOGIES LLC | 514,887 | 220,787 | -294,100 (-57.1%) |
| Qube Research & Technologies Ltd | 1,039,550 | 763,460 | -276,090 (-26.6%) |
| PRINCIPAL FINANCIAL GROUP INC | 675,385 | 240,432 | -434,953 (-64.4%) |
| Jain Global LLC | 79,000 | 9,881 | -69,119 (-87.5%) |
| WESTWOOD HOLDINGS GROUP INC | 596,785 | 564,236 | -32,549 (-5.5%) |
| TWO SIGMA ADVISERS, LP | 803,900 | 679,600 | -124,300 (-15.5%) |
| Y-Intercept (Hong Kong) Ltd | 61,355 | 44,349 | -17,006 (-27.7%) |
| Walleye Capital LLC | 96,494 | 10,876 | -85,618 (-88.7%) |
| Squarepoint Ops LLC | 202,851 | 9,617 | -193,234 (-95.3%) |
| ROYAL BANK OF CANADA | 675,412 | 12,537 | -662,875 (-98.1%) |
| Institution | Prev Shares | Prev Value ($000) |
|---|---|---|
| Burkehill Global Management, LP | 500,000 | $16,810 |
| Jefferies Financial Group Inc. | 1,000,000 | $33,620 |
| Riverwater Partners LLC | 16,627 | $559 |
| PharVision Advisers, LLC | 9,225 | $310 |
| R Squared Ltd | 10,839 | $364 |
| Aquatic Capital Management LLC | 95,749 | $3,219 |
| Numerai GP LLC | 18,760 | $631 |
| WINTON GROUP Ltd | 53,300 | $1,792 |
| CANTOR FITZGERALD, L. P. | 140,000 | $4,707 |
| DARK FOREST CAPITAL MANAGEMENT LP | 44,888 | $1,509 |
| PDT Partners, LLC | 29,398 | $988 |
| Man Group plc | 615,438 | $20,691 |
| TWINBEECH CAPITAL LP | 21,483 | $722 |
| Entropy Technologies, LP | 16,471 | $554 |
| NAVELLIER & ASSOCIATES INC | 7,655 | $257 |
| Gen-Wealth Partners Inc | 2,575 | $87 |
| TUDOR INVESTMENT CORP ET AL | 148,096 | $4,979 |
| NORGES BANK | 687,000 | $27,116 |
| Robeco Institutional Asset Management B.V. | 127,728 | $4,294 |
| Schonfeld Strategic Advisors LLC | 35,665 | $1,199 |