On this page, we present all of the funds holding FUSN from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding FUSN, with a link to that fund's top holdings. The next columns indicate the amount of FUSN stock held by each of the funds holding FUSN, followed by the FUSN position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 78 funds holding FUSN within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Federated Hermes Inc.. For more details on the positions held by Federated Hermes Inc. (or by any of the other funds holding FUSN), click the fund name in the "Holder" column of the funds-holding-FUSN table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Federated Hermes Inc.	10,886,153	$104,616	12/31/2023
FUSN	10,886,153	$104,616	12/31/2023
Avidity Partners Management LP	6,500,328	$62,468	12/31/2023
FUSN	6,500,328	$62,468	12/31/2023
Deerfield Management Company L.P. Series C	6,401,000	$61,514	12/31/2023
FUSN	6,401,000	$61,514	12/31/2023
FMR LLC	5,313,294	$51,061	12/31/2023
FUSN	5,313,294	$51,061	12/31/2023
Johnson & Johnson	3,670,516	$35,274	12/31/2023
FUSN	3,670,516	$35,274	12/31/2023
Orbimed Advisors LLC	3,122,770	$30,010	12/31/2023
FUSN	3,122,770	$30,010	12/31/2023
Canada Pension Plan Investment Board	3,116,966	$29,954	12/31/2023
FUSN	3,116,966	$29,954	12/31/2023
Adams Street Partners LLC	2,947,809	$28,328	12/31/2023
FUSN	2,947,809	$28,328	12/31/2023
Perceptive Advisors LLC	2,751,395	$26,441	12/31/2023
FUSN	2,751,395	$26,441	12/31/2023
TPG GP A LLC	2,551,794	$24,523	12/31/2023
FUSN	2,551,794	$24,523	12/31/2023
Pivotal bioVenture Partners Investment Advisor LLC	1,560,982	$15,001	12/31/2023
FUSN	1,560,982	$15,001	12/31/2023
Sphera Funds Management LTD.	1,085,639	$10,433	12/31/2023
FUSN	1,085,639	$10,433	12/31/2023
Artal Group S.A.	1,005,500	$9,663	12/31/2023
FUSN	1,005,500	$9,663	12/31/2023
Blair William & Co. IL	993,855	$9,551	12/31/2023
FUSN	993,855	$9,551	12/31/2023
Wellington Management Group LLP	744,474	$7,154	12/31/2023
FUSN	744,474	$7,154	12/31/2023
1832 Asset Management L.P.	734,321	$7,057	12/31/2023
FUSN	734,321	$7,057	12/31/2023
Eagle Health Investments LP	579,769	$5,572	12/31/2023
FUSN	579,769	$5,572	12/31/2023
Millennium Management LLC	578,102	$5,556	12/31/2023
FUSN	578,102	$5,556	12/31/2023
Ikarian Capital LLC	500,000	$4,805	12/31/2023
FUSN	500,000	$4,805	12/31/2023
BlackRock Inc.	419,806	$4,034	12/31/2023
FUSN	419,806	$4,034	12/31/2023
Adage Capital Partners GP L.L.C.	400,000	$3,844	12/31/2023
FUSN	400,000	$3,844	12/31/2023
Marshall Wace LLP	318,440	$3,060	12/31/2023
FUSN	318,440	$3,060	12/31/2023
Fred Alger Management LLC	311,974	$2,998	12/31/2023
FUSN	311,974	$2,998	12/31/2023
HealthInvest Partners AB	138,836	$2,960	03/31/2024
FUSN	138,836	$2,960	03/31/2024
Jennison Associates LLC	301,020	$2,893	12/31/2023
FUSN	301,020	$2,893	12/31/2023
Point72 Asset Management L.P.	293,611	$2,822	12/31/2023
FUSN	293,611	$2,822	12/31/2023
Pier Capital LLC	277,111	$2,663	12/31/2023
FUSN	277,111	$2,663	12/31/2023
Walleye Capital LLC	251,213	$2,414	12/31/2023
FUSN	251,213	$2,414	12/31/2023
Sio Capital Management LLC	246,036	$2,364	12/31/2023
FUSN	246,036	$2,364	12/31/2023
UBS Group AG	223,092	$2,144	12/31/2023
FUSN	223,092	$2,144	12/31/2023
Woodline Partners LP	222,462	$2,138	12/31/2023
FUSN	222,462	$2,138	12/31/2023
UBS Oconnor LLC	213,107	$2,048	12/31/2023
FUSN	213,107	$2,048	12/31/2023
Morgan Stanley	207,193	$1,991	12/31/2023
FUSN	207,193	$1,991	12/31/2023
Yarbrough Capital LLC	76,872	$1,639	03/31/2024
FUSN	76,872	$1,639	03/31/2024
Schonfeld Strategic Advisors LLC	153,792	$1,478	12/31/2023
FUSN	153,792	$1,478	12/31/2023
Privium Fund Management B.V.	141,750	$1,362	12/31/2023
FUSN	141,750	$1,362	12/31/2023
Boothbay Fund Management LLC	133,550	$1,283	12/31/2023
FUSN	133,550	$1,283	12/31/2023
Atika Capital Management LLC	130,400	$1,253	12/31/2023
FUSN	130,400	$1,253	12/31/2023
Sofinnova Investments Inc.	125,299	$1,204	12/31/2023
FUSN	125,299	$1,204	12/31/2023
Two Sigma Investments LP	118,933	$1,143	12/31/2023
FUSN	118,933	$1,143	12/31/2023
Verition Fund Management LLC	109,386	$1,051	12/31/2023
FUSN	109,386	$1,051	12/31/2023
Jump Financial LLC	86,199	$828	12/31/2023
FUSN	86,199	$828	12/31/2023
Raymond James Financial Services Advisors Inc.	36,079	$769	03/31/2024
FUSN	36,079	$769	03/31/2024
Cubist Systematic Strategies LLC	67,470	$648	12/31/2023
FUSN	67,470	$648	12/31/2023
Citadel Advisors LLC		$561	12/31/2023
FUSN	54,123	$520	12/31/2023
Call	13,000	$125	12/31/2023
Put	8,700	$84	12/31/2023
Sectoral Asset Management Inc	57,297	$551	12/31/2023
FUSN	57,297	$551	12/31/2023
Chartwell Investment Partners LLC	49,890	$480	12/31/2023
FUSN	49,890	$480	12/31/2023
Superstring Capital Management LP	45,801	$440	12/31/2023
FUSN	45,801	$440	12/31/2023
Group One Trading L.P.		$421	12/31/2023
Call	24,700	$237	12/31/2023
FUSN	19,134	$184	12/31/2023
Geode Capital Management LLC	39,346	$378	12/31/2023
FUSN	39,346	$378	12/31/2023
Royal Bank of Canada	34,519	$332	12/31/2023
FUSN	34,519	$332	12/31/2023
China Universal Asset Management Co. Ltd.	13,920	$297	03/31/2024
FUSN	13,920	$297	03/31/2024
NEOS Investment Management LLC	30,939	$297	12/31/2023
FUSN	30,939	$297	12/31/2023
Jane Street Group LLC	28,132	$270	12/31/2023
FUSN	28,132	$270	12/31/2023
XTX Topco Ltd	23,161	$223	12/31/2023
FUSN	23,161	$223	12/31/2023
Standard Life Aberdeen plc	21,697	$209	12/31/2023
FUSN	21,697	$209	12/31/2023
Cutler Group LP		$184	03/31/2024
FUSN	8,600	$183	03/31/2024
Call	1,400	$1	03/31/2024
Susquehanna International Group LLP	18,465	$177	12/31/2023
FUSN	18,465	$177	12/31/2023
Belvedere Trading LLC		$171	12/31/2023
FUSN	16,349	$157	12/31/2023
Call	2,900	$28	12/31/2023
Put	1,500	$14	12/31/2023
Forefront Analytics LLC	16,715	$161	12/31/2023
FUSN	16,715	$161	12/31/2023
Goldman Sachs Group Inc.	15,132	$145	12/31/2023
FUSN	15,132	$145	12/31/2023
JPMorgan Chase & Co.	14,033	$135	12/31/2023
FUSN	14,033	$135	12/31/2023
Squarepoint Ops LLC	12,757	$123	12/31/2023
FUSN	12,757	$123	12/31/2023
Zurcher Kantonalbank Zurich Cantonalbank	5,252	$112	03/31/2024
FUSN	5,252	$112	03/31/2024
Two Sigma Advisers LP	11,500	$111	12/31/2023
FUSN	11,500	$111	12/31/2023
Envestnet Asset Management Inc.	11,454	$110	12/31/2023
FUSN	11,454	$110	12/31/2023
Renaissance Technologies LLC	10,000	$96	12/31/2023
FUSN	10,000	$96	12/31/2023
New York State Common Retirement Fund	6,630	$64	12/31/2023
FUSN	6,630	$64	12/31/2023
Wells Fargo & Company MN	5,000	$48	12/31/2023
FUSN	5,000	$48	12/31/2023
Tower Research Capital LLC TRC	3,008	$29	12/31/2023
FUSN	3,008	$29	12/31/2023
Signaturefd LLC	2,949	$28	12/31/2023
FUSN	2,949	$28	12/31/2023
Bank of America Corp DE	1,371	$13	12/31/2023
FUSN	1,371	$13	12/31/2023
Citigroup Inc.	1,310	$13	12/31/2023
FUSN	1,310	$13	12/31/2023
Toth Financial Advisory Corp	501	$11	03/31/2024
FUSN	501	$11	03/31/2024
TD Waterhouse Canada Inc.	700	$7	12/31/2023
FUSN	700	$7	12/31/2023
GAMMA Investing LLC	26	$1	03/31/2024
FUSN	26	$1	03/31/2024
Advisor Group Holdings Inc.	86	$1	12/31/2023
FUSN	86	$1	12/31/2023
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
FUSN	0	$0	12/31/2023
Equitec Proprietary Markets LLC	83,400	$-1,584	03/31/2024
Put	157,700	$3,362	03/31/2024
Call	83,400	$1,778	03/31/2024