There is a long list of 133 institutional holders of MRUS within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of MRUS by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-MRUS table below, the initial column indicates the name of each top institutional holder of MRUS, with a link to that fund's top holdings. The next columns indicate the amount of MRUS stock held by each of the institutional holders of MRUS, followed by the MRUS position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

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

See All: Funds Holding MRUS
See Details: Top 10 Hedge Funds Holding MRUS
Also See: MRUS Insider Buying
Also See: MRUS Holdings Changes

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