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 133 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 Commodore Capital LP. For more details on the positions held by Commodore Capital LP (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 |
|---|---|---|---|
 Commodore Capital LP | 4,747,373 | $130,553 | 12/31/2023 |
| MRUS | 4,747,373 | $130,553 | 12/31/2023 |
| Federated Hermes Inc. | 3,637,309 | $100,026 | 12/31/2023 |
| MRUS | 3,637,309 | $100,026 | 12/31/2023 |
| Samlyn Capital LLC | 3,412,410 | $93,841 | 12/31/2023 |
| MRUS | 3,412,410 | $93,841 | 12/31/2023 |
| Deerfield Management Company L.P. Series C | 3,019,901 | $83,047 | 12/31/2023 |
| MRUS | 3,019,901 | $83,047 | 12/31/2023 |
| BVF Inc. IL | 2,752,420 | $75,692 | 12/31/2023 |
| MRUS | 2,752,420 | $75,692 | 12/31/2023 |
| RTW Investments LP | 2,373,625 | $65,275 | 12/31/2023 |
| MRUS | 2,373,625 | $65,275 | 12/31/2023 |
| VR Adviser LLC | 2,148,214 | $59,076 | 12/31/2023 |
| MRUS | 2,148,214 | $59,076 | 12/31/2023 |
| Wellington Management Group LLP | 2,009,403 | $55,259 | 12/31/2023 |
| MRUS | 2,009,403 | $55,259 | 12/31/2023 |
| Medicxi Ventures Management Jersey Ltd | 1,169,028 | $52,641 | 03/31/2024 |
| MRUS | 1,169,028 | $52,641 | 03/31/2024 |
| Boxer Capital LLC | 1,900,000 | $52,250 | 12/31/2023 |
| MRUS | 1,900,000 | $52,250 | 12/31/2023 |
| Franklin Resources Inc. | 1,883,091 | $51,785 | 12/31/2023 |
| MRUS | 1,883,091 | $51,785 | 12/31/2023 |
| BlackRock Inc. | 1,429,893 | $39,322 | 12/31/2023 |
| MRUS | 1,429,893 | $39,322 | 12/31/2023 |
| Driehaus Capital Management LLC | 1,311,013 | $36,053 | 12/31/2023 |
| MRUS | 1,311,013 | $36,053 | 12/31/2023 |
| Balyasny Asset Management LLC | 1,233,238 | $33,914 | 12/31/2023 |
| MRUS | 1,233,238 | $33,914 | 12/31/2023 |
| Pictet Asset Management Holding SA | 1,232,808 | $33,902 | 12/31/2023 |
| MRUS | 1,232,808 | $33,902 | 12/31/2023 |
| Lynx1 Capital Management LP | 1,135,225 | $31,219 | 12/31/2023 |
| MRUS | 1,135,225 | $31,219 | 12/31/2023 |
| Avoro Capital Advisors LLC | 888,888 | $24,444 | 12/31/2023 |
| MRUS | 888,888 | $24,444 | 12/31/2023 |
| Rock Springs Capital Management LP | 872,069 | $23,982 | 12/31/2023 |
| MRUS | 872,069 | $23,982 | 12/31/2023 |
| Frazier Life Sciences Management L.P. | 746,479 | $20,528 | 12/31/2023 |
| MRUS | 746,479 | $20,528 | 12/31/2023 |
| FMR LLC | 730,453 | $20,087 | 12/31/2023 |
| MRUS | 730,453 | $20,087 | 12/31/2023 |
| Fairmount Funds Management LLC | 717,254 | $19,724 | 12/31/2023 |
| MRUS | 717,254 | $19,724 | 12/31/2023 |
| Millennium Management LLC | 693,327 | $19,066 | 12/31/2023 |
| MRUS | 693,327 | $19,066 | 12/31/2023 |
| Silverarc Capital Management LLC | 645,581 | $17,753 | 12/31/2023 |
| MRUS | 645,581 | $17,753 | 12/31/2023 |
| Janus Henderson Group PLC | 531,044 | $14,596 | 12/31/2023 |
| MRUS | 531,044 | $14,596 | 12/31/2023 |
| 5AM Venture Management LLC | 521,531 | $14,342 | 12/31/2023 |
| MRUS | 521,531 | $14,342 | 12/31/2023 |
| StemPoint Capital LP | 501,806 | $13,800 | 12/31/2023 |
| MRUS | 501,806 | $13,800 | 12/31/2023 |
| DAFNA Capital Management LLC | 454,870 | $12,509 | 12/31/2023 |
| MRUS | 454,870 | $12,509 | 12/31/2023 |
| Two Sigma Advisers LP | 431,500 | $11,866 | 12/31/2023 |
| MRUS | 431,500 | $11,866 | 12/31/2023 |
| Morgan Stanley | 416,541 | $11,455 | 12/31/2023 |
| MRUS | 416,541 | $11,455 | 12/31/2023 |
| Carmignac Gestion | 403,861 | $11,130 | 12/31/2023 |
| MRUS | 403,861 | $11,130 | 12/31/2023 |
| Saturn V Capital Management LLC | 389,333 | $10,707 | 12/31/2023 |
| MRUS | 389,333 | $10,707 | 12/31/2023 |
| Goldman Sachs Group Inc. | 386,944 | $10,641 | 12/31/2023 |
| MRUS | 386,944 | $10,641 | 12/31/2023 |
| Braidwell LP | 370,679 | $10,194 | 12/31/2023 |
| MRUS | 370,679 | $10,194 | 12/31/2023 |
| Aquilo Capital Management LLC | 355,109 | $9,765 | 12/31/2023 |
| MRUS | 355,109 | $9,765 | 12/31/2023 |
| Adage Capital Partners GP L.L.C. | 330,000 | $9,075 | 12/31/2023 |
| MRUS | 330,000 | $9,075 | 12/31/2023 |
| Two Sigma Investments LP | 315,053 | $8,664 | 12/31/2023 |
| MRUS | 315,053 | $8,664 | 12/31/2023 |
| Soleus Capital Management L.P. | 302,577 | $8,321 | 12/31/2023 |
| MRUS | 302,577 | $8,321 | 12/31/2023 |
| Ally Bridge Group NY LLC | 274,923 | $7,560 | 12/31/2023 |
| MRUS | 274,923 | $7,560 | 12/31/2023 |
 Citadel Advisors LLC | $7,408 | 12/31/2023 | |
| MRUS | 280,251 | $7,707 | 12/31/2023 |
| Put | 11,900 | $327 | 12/31/2023 |
| Call | 1,000 | $28 | 12/31/2023 |
| Woodline Partners LP | 243,229 | $6,689 | 12/31/2023 |
| MRUS | 243,229 | $6,689 | 12/31/2023 |
| State Street Corp | 235,688 | $6,481 | 12/31/2023 |
| MRUS | 235,688 | $6,481 | 12/31/2023 |
| Sphera Funds Management LTD. | 230,333 | $6,334 | 12/31/2023 |
| MRUS | 230,333 | $6,334 | 12/31/2023 |
| Alliancebernstein L.P. | 169,098 | $4,650 | 12/31/2023 |
| MRUS | 169,098 | $4,650 | 12/31/2023 |
| Parkman Healthcare Partners LLC | 157,817 | $4,340 | 12/31/2023 |
| MRUS | 157,817 | $4,340 | 12/31/2023 |
| Vanguard Group Inc. | 151,957 | $4,179 | 12/31/2023 |
| MRUS | 151,957 | $4,179 | 12/31/2023 |
| Platinum Investment Management Ltd. | 142,029 | $3,906 | 12/31/2023 |
| MRUS | 142,029 | $3,906 | 12/31/2023 |
| Nan Fung Group Holdings Ltd | 137,038 | $3,769 | 12/31/2023 |
| MRUS | 137,038 | $3,769 | 12/31/2023 |
| HighVista Strategies LLC | 133,572 | $3,673 | 12/31/2023 |
| MRUS | 133,572 | $3,673 | 12/31/2023 |
| Cubist Systematic Strategies LLC | 126,505 | $3,479 | 12/31/2023 |
| MRUS | 126,505 | $3,479 | 12/31/2023 |
| UBS Oconnor LLC | 121,300 | $3,336 | 12/31/2023 |
| MRUS | 121,300 | $3,336 | 12/31/2023 |
| Eversept Partners LP | 115,726 | $3,182 | 12/31/2023 |
| MRUS | 115,726 | $3,182 | 12/31/2023 |
| Deutsche Bank AG | 112,553 | $3,095 | 12/31/2023 |
| MRUS | 112,553 | $3,095 | 12/31/2023 |
| Voya Investment Management LLC | 93,975 | $2,584 | 12/31/2023 |
| MRUS | 93,975 | $2,584 | 12/31/2023 |
| Hudson Bay Capital Management LP | 87,200 | $2,398 | 12/31/2023 |
| MRUS | 87,200 | $2,398 | 12/31/2023 |
| Swiss National Bank | 72,654 | $1,998 | 12/31/2023 |
| MRUS | 72,654 | $1,998 | 12/31/2023 |
| Algert Global LLC | 68,933 | $1,896 | 12/31/2023 |
| MRUS | 68,933 | $1,896 | 12/31/2023 |
| BNP Paribas Arbitrage SA | 62,825 | $1,728 | 12/31/2023 |
| MRUS | 62,825 | $1,728 | 12/31/2023 |
| Norges Bank | 60,300 | $1,658 | 12/31/2023 |
| MRUS | 60,300 | $1,658 | 12/31/2023 |
| D. E. Shaw & Co. Inc. | 59,033 | $1,623 | 12/31/2023 |
| MRUS | 59,033 | $1,623 | 12/31/2023 |
| DekaBank Deutsche Girozentrale | 56,000 | $1,547 | 12/31/2023 |
| MRUS | 56,000 | $1,547 | 12/31/2023 |
| Northern Trust Corp | 54,643 | $1,503 | 12/31/2023 |
| MRUS | 54,643 | $1,503 | 12/31/2023 |
| Geode Capital Management LLC | 53,608 | $1,474 | 12/31/2023 |
| MRUS | 53,608 | $1,474 | 12/31/2023 |
| Campbell & CO Investment Adviser LLC | 48,007 | $1,320 | 12/31/2023 |
| MRUS | 48,007 | $1,320 | 12/31/2023 |
| Invesco Ltd. | 47,364 | $1,303 | 12/31/2023 |
| MRUS | 47,364 | $1,303 | 12/31/2023 |
| Jump Financial LLC | 46,120 | $1,268 | 12/31/2023 |
| MRUS | 46,120 | $1,268 | 12/31/2023 |
| Credit Suisse AG | 44,990 | $1,237 | 12/31/2023 |
| MRUS | 44,990 | $1,237 | 12/31/2023 |
| Nuveen Asset Management LLC | 43,677 | $1,201 | 12/31/2023 |
| MRUS | 43,677 | $1,201 | 12/31/2023 |
| Sanders Morris Harris LLC | 24,870 | $1,120 | 03/31/2024 |
| MRUS | 24,870 | $1,120 | 03/31/2024 |
| Trexquant Investment LP | 40,489 | $1,113 | 12/31/2023 |
| MRUS | 40,489 | $1,113 | 12/31/2023 |
| Alps Advisors Inc. | 40,128 | $1,104 | 12/31/2023 |
| MRUS | 40,128 | $1,104 | 12/31/2023 |
| ExodusPoint Capital Management LP | 39,087 | $1,075 | 12/31/2023 |
| MRUS | 39,087 | $1,075 | 12/31/2023 |
| HRT Financial LP | 37,773 | $1,038 | 12/31/2023 |
| MRUS | 37,773 | $1,038 | 12/31/2023 |
| Schonfeld Strategic Advisors LLC | 37,600 | $1,034 | 12/31/2023 |
| MRUS | 37,600 | $1,034 | 12/31/2023 |
| Atom Investors LP | 35,544 | $977 | 12/31/2023 |
| MRUS | 35,544 | $977 | 12/31/2023 |
| First Trust Advisors LP | 35,185 | $968 | 12/31/2023 |
| MRUS | 35,185 | $968 | 12/31/2023 |
| Legal & General Group Plc | 34,621 | $952 | 12/31/2023 |
| MRUS | 34,621 | $952 | 12/31/2023 |
| UBS Asset Management Americas Inc. | 33,596 | $924 | 12/31/2023 |
| MRUS | 33,596 | $924 | 12/31/2023 |
| California State Teachers Retirement System | 32,809 | $902 | 12/31/2023 |
| MRUS | 32,809 | $902 | 12/31/2023 |
| Barclays PLC | 27,326 | $751 | 12/31/2023 |
| MRUS | 27,326 | $751 | 12/31/2023 |
| State of Wisconsin Investment Board | 25,618 | $704 | 12/31/2023 |
| MRUS | 25,618 | $704 | 12/31/2023 |
| Susquehanna Portfolio Strategies LLC | 24,628 | $677 | 12/31/2023 |
| MRUS | 24,628 | $677 | 12/31/2023 |
| Tudor Investment Corp Et Al | 24,443 | $672 | 12/31/2023 |
| MRUS | 24,443 | $672 | 12/31/2023 |
| HealthInvest Partners AB | 24,325 | $669 | 12/31/2023 |
| MRUS | 24,325 | $669 | 12/31/2023 |
| ADAR1 Capital Management LLC | 24,000 | $660 | 12/31/2023 |
| MRUS | 24,000 | $660 | 12/31/2023 |
| Bellevue Group AG | 22,700 | $624 | 12/31/2023 |
| MRUS | 22,700 | $624 | 12/31/2023 |
| Great Point Partners LLC | 20,000 | $550 | 12/31/2023 |
| MRUS | 20,000 | $550 | 12/31/2023 |
| Nebula Research & Development LLC | 19,524 | $537 | 12/31/2023 |
| MRUS | 19,524 | $537 | 12/31/2023 |
| Bank of America Corp DE | 18,104 | $498 | 12/31/2023 |
| MRUS | 18,104 | $498 | 12/31/2023 |
| Allianz Asset Management GmbH | 17,100 | $470 | 12/31/2023 |
| MRUS | 17,100 | $470 | 12/31/2023 |
| Jane Street Group LLC | 13,434 | $369 | 12/31/2023 |
| MRUS | 13,434 | $369 | 12/31/2023 |
| Aquatic Capital Management LLC | 13,200 | $363 | 12/31/2023 |
| MRUS | 13,200 | $363 | 12/31/2023 |
| Corton Capital Inc. | 13,206 | $363 | 12/31/2023 |
| MRUS | 13,206 | $363 | 12/31/2023 |
| Bayesian Capital Management LP | 11,741 | $323 | 12/31/2023 |
| MRUS | 11,741 | $323 | 12/31/2023 |
| JPMorgan Chase & Co. | 11,096 | $305 | 12/31/2023 |
| MRUS | 11,096 | $305 | 12/31/2023 |
| Victory Capital Management Inc. | 10,770 | $296 | 12/31/2023 |
| MRUS | 10,770 | $296 | 12/31/2023 |
| Exchange Traded Concepts LLC | 6,389 | $288 | 03/31/2024 |
| MRUS | 6,389 | $288 | 03/31/2024 |
| Mitsubishi UFJ Kokusai Asset Management Co. Ltd. | 10,114 | $283 | 12/31/2023 |
| MRUS | 10,114 | $283 | 12/31/2023 |
| Arizona State Retirement System | 10,299 | $283 | 12/31/2023 |
| MRUS | 10,299 | $283 | 12/31/2023 |
| Brevan Howard Capital Management LP | 9,134 | $251 | 12/31/2023 |
| MRUS | 9,134 | $251 | 12/31/2023 |
| Engineers Gate Manager LP | 9,126 | $251 | 12/31/2023 |
| MRUS | 9,126 | $251 | 12/31/2023 |
| Teacher Retirement System of Texas | 8,787 | $242 | 12/31/2023 |
| MRUS | 8,787 | $242 | 12/31/2023 |
| Advisor Group Holdings Inc. | 8,600 | $236 | 12/31/2023 |
| MRUS | 8,600 | $236 | 12/31/2023 |
| Sierra Summit Advisors LLC | 8,049 | $221 | 12/31/2023 |
| MRUS | 8,049 | $221 | 12/31/2023 |
| China Universal Asset Management Co. Ltd. | 6,681 | $184 | 12/31/2023 |
| MRUS | 6,681 | $184 | 12/31/2023 |
| Qube Research & Technologies Ltd | 4,746 | $131 | 12/31/2023 |
| MRUS | 4,746 | $131 | 12/31/2023 |
| Zurcher Kantonalbank Zurich Cantonalbank | 4,235 | $116 | 12/31/2023 |
| MRUS | 4,235 | $116 | 12/31/2023 |
| Virtus ETF Advisers LLC | 3,662 | $101 | 12/31/2023 |
| MRUS | 3,662 | $101 | 12/31/2023 |
| Lazard Asset Management LLC | 2,982 | $82 | 12/31/2023 |
| MRUS | 2,982 | $82 | 12/31/2023 |
| Quantbot Technologies LP | 2,800 | $77 | 12/31/2023 |
| MRUS | 2,800 | $77 | 12/31/2023 |
| Allspring Global Investments Holdings LLC | 1,590 | $72 | 03/31/2024 |
| MRUS | 1,590 | $72 | 03/31/2024 |
| New York State Common Retirement Fund | 2,428 | $67 | 12/31/2023 |
| MRUS | 2,428 | $67 | 12/31/2023 |
| Tower Research Capital LLC TRC | 2,120 | $58 | 12/31/2023 |
| MRUS | 2,120 | $58 | 12/31/2023 |
| Russell Investments Group Ltd. | 1,341 | $37 | 12/31/2023 |
| MRUS | 1,341 | $37 | 12/31/2023 |
| Quadrant Capital Group LLC | 1,253 | $34 | 12/31/2023 |
| MRUS | 1,253 | $34 | 12/31/2023 |
| Signaturefd LLC | 1,139 | $31 | 12/31/2023 |
| MRUS | 1,139 | $31 | 12/31/2023 |
| Citigroup Inc. | 1,064 | $29 | 12/31/2023 |
| MRUS | 1,064 | $29 | 12/31/2023 |
| Coppell Advisory Solutions LLC | 752 | $21 | 12/31/2023 |
| MRUS | 752 | $21 | 12/31/2023 |
| Northwestern Mutual Wealth Management Co. | 404 | $11 | 12/31/2023 |
| MRUS | 404 | $11 | 12/31/2023 |
| Daiwa Securities Group Inc. | 186 | $5 | 12/31/2023 |
| MRUS | 186 | $5 | 12/31/2023 |
| CVA Family Office LLC | 93 | $4 | 03/31/2024 |
| MRUS | 93 | $4 | 03/31/2024 |
| The PNC Financial Services Group Inc. | 100 | $3 | 12/31/2023 |
| MRUS | 100 | $3 | 12/31/2023 |
| Macroview Investment Management LLC | 114 | $3 | 12/31/2023 |
| MRUS | 114 | $3 | 12/31/2023 |
| Lindbrook Capital LLC | 76 | $2 | 12/31/2023 |
| MRUS | 76 | $2 | 12/31/2023 |
| Washington Trust Advisors Inc. | 60 | $2 | 12/31/2023 |
| MRUS | 60 | $2 | 12/31/2023 |
| GAMMA Investing LLC | 28 | $1 | 03/31/2024 |
| MRUS | 28 | $1 | 03/31/2024 |
| Proequities Inc. | $0 | 12/31/2023 | |
| Put | 0 | $0 | 12/31/2023 |
| Call | 0 | $0 | 12/31/2023 |
| MRUS | 0 | $0 | 12/31/2023 |
| Royal Bank of Canada | 10 | $0 | 12/31/2023 |
| MRUS | 10 | $0 | 12/31/2023 |
| Nomura Asset Management Co. Ltd. | 0 | $0 | 12/31/2023 |
| MRUS | 0 | $0 | 12/31/2023 |
| Farther Finance Advisors LLC | 5 | $0 | 12/31/2023 |
| MRUS | 5 | $0 | 12/31/2023 |
| Simplex Trading LLC | $-69 | 12/31/2023 | |
| Put | 10,600 | $291 | 12/31/2023 |
| MRUS | 7,299 | $200 | 12/31/2023 |
| Call | 800 | $22 | 12/31/2023 |
| Group One Trading L.P. | $-113 | 12/31/2023 | |
| Put | 6,100 | $168 | 12/31/2023 |
| Call | 1,700 | $47 | 12/31/2023 |
| MRUS | 306 | $8 | 12/31/2023 |
| Caption Management LLC | $-258 | 12/31/2023 | |
| Put | 32,600 | $896 | 12/31/2023 |
| Call | 23,200 | $638 | 12/31/2023 |
| Susquehanna International Group LLP | $-270 | 12/31/2023 | |
| Put | 18,100 | $498 | 12/31/2023 |
| Call | 8,300 | $228 | 12/31/2023 |
| UBS Group AG | 5,563 | $-1,073 | 12/31/2023 |
| Put | 44,600 | $1,226 | 12/31/2023 |
| MRUS | 5,563 | $153 | 12/31/2023 |
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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