HoldingsChannel.com
On this page, we present all of the funds holding MRUS from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding MRUS, with a link to that fund's top holdings. The next columns indicate the amount of MRUS stock held by each of the funds holding MRUS, followed by the MRUS position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 103 funds holding MRUS within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Wellington Management Group LLP. For more details on the positions held by Wellington Management Group LLP (or by any of the other funds holding MRUS), click the fund name in the "Holder" column of the funds-holding-MRUS table below.
| Holder | Amount | Position Size ($ in 1000's) | As of |
|---|---|---|---|
 Wellington Management Group LLP | 3,137,245 | $57,725 | 03/31/2023 |
| MRUS | 3,137,245 | $57,725 | 03/31/2023 |
| BVF Inc. IL | 2,978,420 | $54,803 | 03/31/2023 |
| MRUS | 2,978,420 | $54,803 | 03/31/2023 |
| Commodore Capital LP | 2,950,000 | $54,280 | 03/31/2023 |
| MRUS | 2,950,000 | $54,280 | 03/31/2023 |
| Federated Hermes Inc. | 2,638,700 | $48,552 | 03/31/2023 |
| MRUS | 2,638,700 | $48,552 | 03/31/2023 |
| Deerfield Management Company L.P. Series C | 2,380,438 | $43,800 | 03/31/2023 |
| MRUS | 2,380,438 | $43,800 | 03/31/2023 |
| Boxer Capital LLC | 1,900,000 | $34,960 | 03/31/2023 |
| MRUS | 1,900,000 | $34,960 | 03/31/2023 |
| Samlyn Capital LLC | 1,613,427 | $29,687 | 03/31/2023 |
| MRUS | 1,613,427 | $29,687 | 03/31/2023 |
| Medicxi Ventures Management Jersey Ltd | 1,600,000 | $29,440 | 03/31/2023 |
| MRUS | 1,600,000 | $29,440 | 03/31/2023 |
| Franklin Resources Inc. | 1,591,065 | $29,276 | 03/31/2023 |
| MRUS | 1,591,065 | $29,276 | 03/31/2023 |
| Braidwell LP | 1,473,084 | $27,105 | 03/31/2023 |
| MRUS | 1,473,084 | $27,105 | 03/31/2023 |
| VR Adviser LLC | 1,226,214 | $22,562 | 03/31/2023 |
| MRUS | 1,226,214 | $22,562 | 03/31/2023 |
| Aquilo Capital Management LLC | 1,225,109 | $22,542 | 03/31/2023 |
| MRUS | 1,225,109 | $22,542 | 03/31/2023 |
| Driehaus Capital Management LLC | 1,104,535 | $20,323 | 03/31/2023 |
| MRUS | 1,104,535 | $20,323 | 03/31/2023 |
| Lynx1 Capital Management LP | 1,067,723 | $19,646 | 03/31/2023 |
| MRUS | 1,067,723 | $19,646 | 03/31/2023 |
| Polar Capital Holdings Plc | 750,000 | $13,800 | 03/31/2023 |
| MRUS | 750,000 | $13,800 | 03/31/2023 |
| Frazier Life Sciences Management L.P. | 746,479 | $13,735 | 03/31/2023 |
| MRUS | 746,479 | $13,735 | 03/31/2023 |
| Silverarc Capital Management LLC | 668,784 | $12,306 | 03/31/2023 |
| MRUS | 668,784 | $12,306 | 03/31/2023 |
| BlackRock Inc. | 601,726 | $11,072 | 03/31/2023 |
| MRUS | 601,726 | $11,072 | 03/31/2023 |
| FMR LLC | 572,956 | $10,542 | 03/31/2023 |
| MRUS | 572,956 | $10,542 | 03/31/2023 |
| Carmignac Gestion | 474,652 | $8,720 | 03/31/2023 |
| MRUS | 474,652 | $8,720 | 03/31/2023 |
| Fairmount Funds Management LLC | 374,435 | $6,890 | 03/31/2023 |
| MRUS | 374,435 | $6,890 | 03/31/2023 |
| Vivo Capital LLC | 353,600 | $6,506 | 03/31/2023 |
| MRUS | 353,600 | $6,506 | 03/31/2023 |
| Sphera Funds Management LTD. | 336,993 | $6,201 | 03/31/2023 |
| MRUS | 336,993 | $6,201 | 03/31/2023 |
| TCG Crossover Management LLC | 300,000 | $5,520 | 03/31/2023 |
| MRUS | 300,000 | $5,520 | 03/31/2023 |
| State Street Corp | 289,061 | $5,319 | 03/31/2023 |
| MRUS | 289,061 | $5,319 | 03/31/2023 |
| DAFNA Capital Management LLC | 283,998 | $5,226 | 03/31/2023 |
| MRUS | 283,998 | $5,226 | 03/31/2023 |
| Ally Bridge Group NY LLC | 275,970 | $5,078 | 03/31/2023 |
| MRUS | 275,970 | $5,078 | 03/31/2023 |
| Platinum Investment Management Ltd. | 239,052 | $4,399 | 03/31/2023 |
| MRUS | 239,052 | $4,399 | 03/31/2023 |
| Alliancebernstein L.P. | 214,948 | $3,955 | 03/31/2023 |
| MRUS | 214,948 | $3,955 | 03/31/2023 |
| Ikarian Capital LLC | 208,650 | $3,839 | 03/31/2023 |
| MRUS | 208,650 | $3,839 | 03/31/2023 |
| Point72 Asset Management L.P. | 194,460 | $3,578 | 03/31/2023 |
| MRUS | 194,460 | $3,578 | 03/31/2023 |
| Two Sigma Advisers LP | 163,300 | $3,005 | 03/31/2023 |
| MRUS | 163,300 | $3,005 | 03/31/2023 |
| Nan Fung Group Holdings Ltd | 151,000 | $2,778 | 03/31/2023 |
| MRUS | 151,000 | $2,778 | 03/31/2023 |
| Artisan Partners Limited Partnership | 139,734 | $2,571 | 03/31/2023 |
| MRUS | 139,734 | $2,571 | 03/31/2023 |
 Citadel Advisors LLC | $2,452 | 03/31/2023 | |
| MRUS | 145,459 | $2,676 | 03/31/2023 |
| Put | 17,500 | $322 | 03/31/2023 |
| Call | 5,300 | $98 | 03/31/2023 |
| Eversept Partners LP | 129,056 | $2,375 | 03/31/2023 |
| MRUS | 129,056 | $2,375 | 03/31/2023 |
| Vanguard Group Inc. | 121,726 | $2,240 | 03/31/2023 |
| MRUS | 121,726 | $2,240 | 03/31/2023 |
| Morgan Stanley | 121,744 | $2,240 | 03/31/2023 |
| MRUS | 121,744 | $2,240 | 03/31/2023 |
| Deutsche Bank AG | 115,197 | $2,120 | 03/31/2023 |
| MRUS | 115,197 | $2,120 | 03/31/2023 |
| UBS Oconnor LLC | 115,080 | $2,117 | 03/31/2023 |
| MRUS | 115,080 | $2,117 | 03/31/2023 |
| Algert Global LLC | 111,858 | $2,058 | 03/31/2023 |
| MRUS | 111,858 | $2,058 | 03/31/2023 |
| Caas Capital Management LP | 100,887 | $1,856 | 03/31/2023 |
| MRUS | 100,887 | $1,856 | 03/31/2023 |
| Parallax Volatility Advisers L.P. | $1,428 | 03/31/2023 | |
| Call | 77,600 | $1,428 | 03/31/2023 |
| Woodline Partners LP | 76,411 | $1,406 | 03/31/2023 |
| MRUS | 76,411 | $1,406 | 03/31/2023 |
| Schonfeld Strategic Advisors LLC | 69,159 | $1,273 | 03/31/2023 |
| MRUS | 69,159 | $1,273 | 03/31/2023 |
| Tekla Capital Management LLC | 69,025 | $1,270 | 03/31/2023 |
| MRUS | 69,025 | $1,270 | 03/31/2023 |
| Polar Asset Management Partners Inc. | 66,400 | $1,222 | 03/31/2023 |
| MRUS | 66,400 | $1,222 | 03/31/2023 |
| Swiss National Bank | 64,954 | $1,195 | 03/31/2023 |
| MRUS | 64,954 | $1,195 | 03/31/2023 |
| Millennium Management LLC | $1,159 | 03/31/2023 | |
| Call | 46,300 | $852 | 03/31/2023 |
| MRUS | 16,701 | $307 | 03/31/2023 |
| Goldman Sachs Group Inc. | 55,307 | $1,018 | 03/31/2023 |
| MRUS | 55,307 | $1,018 | 03/31/2023 |
| Two Sigma Investments LP | 53,369 | $982 | 03/31/2023 |
| MRUS | 53,369 | $982 | 03/31/2023 |
| Vident Investment Advisory LLC | 53,056 | $976 | 03/31/2023 |
| MRUS | 53,056 | $976 | 03/31/2023 |
| Northern Trust Corp | 51,682 | $951 | 03/31/2023 |
| MRUS | 51,682 | $951 | 03/31/2023 |
| HighVista Strategies LLC | 45,957 | $846 | 03/31/2023 |
| MRUS | 45,957 | $846 | 03/31/2023 |
| Bellevue Group AG | 45,700 | $841 | 03/31/2023 |
| MRUS | 45,700 | $841 | 03/31/2023 |
| Boothbay Fund Management LLC | 38,084 | $701 | 03/31/2023 |
| MRUS | 38,084 | $701 | 03/31/2023 |
| Credit Suisse AG | 35,658 | $656 | 03/31/2023 |
| MRUS | 35,658 | $656 | 03/31/2023 |
| Marshall Wace LLP | 31,100 | $572 | 03/31/2023 |
| MRUS | 31,100 | $572 | 03/31/2023 |
| Alps Advisors Inc. | 30,513 | $561 | 03/31/2023 |
| MRUS | 30,513 | $561 | 03/31/2023 |
| State of Wisconsin Investment Board | 27,810 | $512 | 03/31/2023 |
| MRUS | 27,810 | $512 | 03/31/2023 |
| California State Teachers Retirement System | 26,440 | $486 | 03/31/2023 |
| MRUS | 26,440 | $486 | 03/31/2023 |
| Bank of America Corp DE | 25,645 | $472 | 03/31/2023 |
| MRUS | 25,645 | $472 | 03/31/2023 |
| Geode Capital Management LLC | 24,770 | $456 | 03/31/2023 |
| MRUS | 24,770 | $456 | 03/31/2023 |
| DekaBank Deutsche Girozentrale | 25,000 | $446 | 03/31/2023 |
| MRUS | 25,000 | $446 | 03/31/2023 |
| Jane Street Group LLC | 23,990 | $441 | 03/31/2023 |
| MRUS | 23,990 | $441 | 03/31/2023 |
| Simplex Trading LLC | $440 | 03/31/2023 | |
| MRUS | 15,777 | $290 | 03/31/2023 |
| Call | 8,200 | $150 | 03/31/2023 |
| Trexquant Investment LP | 22,280 | $410 | 03/31/2023 |
| MRUS | 22,280 | $410 | 03/31/2023 |
| Susquehanna International Group LLP | $408 | 03/31/2023 | |
| MRUS | 11,254 | $207 | 03/31/2023 |
| Call | 10,900 | $201 | 03/31/2023 |
| UBS Asset Management Americas Inc. | 21,928 | $403 | 03/31/2023 |
| MRUS | 21,928 | $403 | 03/31/2023 |
| Kynam Capital Management LP | 21,457 | $395 | 03/31/2023 |
| MRUS | 21,457 | $395 | 03/31/2023 |
| Susquehanna Fundamental Investments LLC | 21,192 | $390 | 03/31/2023 |
| MRUS | 21,192 | $390 | 03/31/2023 |
| Tudor Investment Corp Et Al | 17,615 | $324 | 03/31/2023 |
| MRUS | 17,615 | $324 | 03/31/2023 |
| Mitsubishi UFJ Kokusai Asset Management Co. Ltd. | 16,514 | $304 | 03/31/2023 |
| MRUS | 16,514 | $304 | 03/31/2023 |
| Qube Research & Technologies Ltd | 15,997 | $294 | 03/31/2023 |
| MRUS | 15,997 | $294 | 03/31/2023 |
| Sio Capital Management LLC | 15,564 | $286 | 03/31/2023 |
| MRUS | 15,564 | $286 | 03/31/2023 |
| Weiss Multi Strategy Advisers LLC | 14,742 | $271 | 03/31/2023 |
| MRUS | 14,742 | $271 | 03/31/2023 |
| Cubist Systematic Strategies LLC | 13,836 | $255 | 03/31/2023 |
| MRUS | 13,836 | $255 | 03/31/2023 |
| Janus Henderson Group PLC | 11,614 | $213 | 03/31/2023 |
| MRUS | 11,614 | $213 | 03/31/2023 |
| New York State Common Retirement Fund | 10,786 | $198 | 03/31/2023 |
| MRUS | 10,786 | $198 | 03/31/2023 |
| Verition Fund Management LLC | 10,400 | $191 | 03/31/2023 |
| MRUS | 10,400 | $191 | 03/31/2023 |
| Legal & General Group Plc | 8,516 | $157 | 03/31/2023 |
| MRUS | 8,516 | $157 | 03/31/2023 |
| Virtus ETF Advisers LLC | 7,305 | $134 | 03/31/2023 |
| MRUS | 7,305 | $134 | 03/31/2023 |
| Group One Trading L.P. | 6,527 | $120 | 03/31/2023 |
| MRUS | 6,527 | $120 | 03/31/2023 |
| Russell Investments Group Ltd. | 5,710 | $105 | 03/31/2023 |
| MRUS | 5,710 | $105 | 03/31/2023 |
| Citigroup Inc. | 3,470 | $64 | 03/31/2023 |
| MRUS | 3,470 | $64 | 03/31/2023 |
| Tower Research Capital LLC TRC | 1,968 | $36 | 03/31/2023 |
| MRUS | 1,968 | $36 | 03/31/2023 |
| Zurcher Kantonalbank Zurich Cantonalbank | 1,836 | $34 | 03/31/2023 |
| MRUS | 1,836 | $34 | 03/31/2023 |
| Signaturefd LLC | 1,257 | $23 | 03/31/2023 |
| MRUS | 1,257 | $23 | 03/31/2023 |
| Quadrant Capital Group LLC | 910 | $17 | 03/31/2023 |
| MRUS | 910 | $17 | 03/31/2023 |
| UBS Group AG | 856 | $16 | 03/31/2023 |
| MRUS | 856 | $16 | 03/31/2023 |
| Northwestern Mutual Wealth Management Co. | 800 | $15 | 03/31/2023 |
| MRUS | 800 | $15 | 03/31/2023 |
| BNP Paribas Arbitrage SA | 735 | $14 | 03/31/2023 |
| MRUS | 735 | $14 | 03/31/2023 |
| China Universal Asset Management Co. Ltd. | 628 | $12 | 03/31/2023 |
| MRUS | 628 | $12 | 03/31/2023 |
| Wells Fargo & Company MN | 300 | $6 | 03/31/2023 |
| MRUS | 300 | $6 | 03/31/2023 |
| 286 | $4 | 12/31/2022 |
| MRUS | 286 | $4 | 12/31/2022 |
| JPMorgan Chase & Co. | 161 | $3 | 03/31/2023 |
| MRUS | 161 | $3 | 03/31/2023 |
| Daiwa Securities Group Inc. | 186 | $3 | 03/31/2023 |
| MRUS | 186 | $3 | 03/31/2023 |
| Lindbrook Capital LLC | 184 | $3 | 03/31/2023 |
| MRUS | 184 | $3 | 03/31/2023 |
| The PNC Financial Services Group Inc. | 100 | $2 | 03/31/2023 |
| MRUS | 100 | $2 | 03/31/2023 |
| GWM Advisors LLC | 100 | $2 | 03/31/2023 |
| MRUS | 100 | $2 | 03/31/2023 |
| Royal Bank of Canada | 80 | $1 | 03/31/2023 |
| MRUS | 80 | $1 | 03/31/2023 |
| Washington Trust Advisors Inc. | 60 | $1 | 03/31/2023 |
| MRUS | 60 | $1 | 03/31/2023 |
| Proequities Inc. | $0 | 03/31/2023 | |
| Put | 0 | $0 | 03/31/2023 |
| Call | 0 | $0 | 03/31/2023 |
| MRUS | 0 | $0 | 03/31/2023 |
| Parallel Advisors LLC | 6 | $0 | 03/31/2023 |
| MRUS | 6 | $0 | 03/31/2023 |
See Summary: Institutional Holders of MRUS
See Details: Top 10 Hedge Funds Holding MRUS
Also See: MRUS Insider Buying
Also See: MRUS Holdings Changes
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