On this page, we present all of the funds holding FULC from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding FULC, with a link to that fund's top holdings. The next columns indicate the amount of FULC stock held by each of the funds holding FULC, followed by the FULC 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 FULC within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by RA Capital Management L.P.. For more details on the positions held by RA Capital Management L.P. (or by any of the other funds holding FULC), click the fund name in the "Holder" column of the funds-holding-FULC table below.

Holder	Amount	Position Size ($ in 1000's)	As of
RA Capital Management L.P.	11,609,704	$78,366	12/31/2023
FULC	11,609,704	$78,366	12/31/2023
FMR LLC	5,684,615	$38,371	12/31/2023
FULC	5,684,615	$38,371	12/31/2023
Suvretta Capital Management LLC	5,518,881	$37,252	12/31/2023
FULC	5,518,881	$37,252	12/31/2023
RTW Investments LP	5,469,956	$36,922	12/31/2023
FULC	5,469,956	$36,922	12/31/2023
Cowen AND Company LLC	3,473,934	$23,449	12/31/2023
FULC	3,473,934	$23,449	12/31/2023
Vanguard Group Inc.	2,519,984	$17,010	12/31/2023
FULC	2,519,984	$17,010	12/31/2023
TRV GP IV LLC	2,343,154	$15,816	12/31/2023
FULC	2,343,154	$15,816	12/31/2023
Citadel Advisors LLC		$11,666	12/31/2023
FULC	1,403,873	$9,476	12/31/2023
Call	332,100	$2,242	12/31/2023
Put	7,700	$52	12/31/2023
BlackRock Inc.	1,561,866	$10,543	12/31/2023
FULC	1,561,866	$10,543	12/31/2023
Adage Capital Partners GP L.L.C.	1,506,422	$10,168	12/31/2023
FULC	1,506,422	$10,168	12/31/2023
Jefferies Financial Group Inc.	1,433,316	$9,675	12/31/2023
FULC	1,433,316	$9,675	12/31/2023
Morgan Stanley	1,219,059	$8,229	12/31/2023
FULC	1,219,059	$8,229	12/31/2023
Logos Global Management LP	1,200,000	$8,100	12/31/2023
FULC	1,200,000	$8,100	12/31/2023
Vestal Point Capital LP	1,025,000	$6,919	12/31/2023
FULC	1,025,000	$6,919	12/31/2023
Dimensional Fund Advisors LP	975,279	$6,584	12/31/2023
FULC	975,279	$6,584	12/31/2023
Susquehanna International Group LLP		$6,130	12/31/2023
FULC	666,593	$4,500	12/31/2023
Call	304,000	$2,052	12/31/2023
Put	62,500	$422	12/31/2023
Goldman Sachs Group Inc.	871,503	$5,883	12/31/2023
FULC	871,503	$5,883	12/31/2023
Deutsche Bank AG	823,098	$5,556	12/31/2023
FULC	823,098	$5,556	12/31/2023
Propel Bio Management LLC	750,000	$5,062	12/31/2023
FULC	750,000	$5,062	12/31/2023
Rock Springs Capital Management LP	727,673	$4,912	12/31/2023
FULC	727,673	$4,912	12/31/2023
ADAR1 Capital Management LLC	637,405	$4,302	12/31/2023
FULC	637,405	$4,302	12/31/2023
Simplify Asset Management Inc.	563,325	$3,802	12/31/2023
FULC	563,325	$3,802	12/31/2023
Geode Capital Management LLC	553,230	$3,735	12/31/2023
FULC	553,230	$3,735	12/31/2023
Marshall Wace LLP	505,102	$3,409	12/31/2023
FULC	505,102	$3,409	12/31/2023
D. E. Shaw & Co. Inc.	497,679	$3,359	12/31/2023
FULC	497,679	$3,359	12/31/2023
Two Sigma Advisers LP	496,200	$3,349	12/31/2023
FULC	496,200	$3,349	12/31/2023
Invesco Ltd.	476,206	$3,214	12/31/2023
FULC	476,206	$3,214	12/31/2023
Millennium Management LLC	437,503	$2,953	12/31/2023
FULC	437,503	$2,953	12/31/2023
Schonfeld Strategic Advisors LLC	432,533	$2,920	12/31/2023
FULC	432,533	$2,920	12/31/2023
StemPoint Capital LP	376,573	$2,542	12/31/2023
FULC	376,573	$2,542	12/31/2023
Jane Street Group LLC	346,850	$2,341	12/31/2023
FULC	346,850	$2,341	12/31/2023
Mass General Brigham Inc	205,356	$1,939	03/31/2024
FULC	205,356	$1,939	03/31/2024
Bessemer Group Inc.	286,988	$1,938	12/31/2023
FULC	286,988	$1,938	12/31/2023
Citigroup Inc.	285,298	$1,926	12/31/2023
FULC	285,298	$1,926	12/31/2023
Two Sigma Investments LP	261,752	$1,767	12/31/2023
FULC	261,752	$1,767	12/31/2023
Standard Life Aberdeen plc	256,888	$1,734	12/31/2023
FULC	256,888	$1,734	12/31/2023
Qube Research & Technologies Ltd	242,908	$1,640	12/31/2023
FULC	242,908	$1,640	12/31/2023
Alliancebernstein L.P.	239,458	$1,616	12/31/2023
FULC	239,458	$1,616	12/31/2023
Alyeska Investment Group L.P.	202,148	$1,364	12/31/2023
FULC	202,148	$1,364	12/31/2023
Bank of America Corp DE	187,472	$1,265	12/31/2023
FULC	187,472	$1,265	12/31/2023
State Street Corp	183,147	$1,236	12/31/2023
FULC	183,147	$1,236	12/31/2023
Susquehanna Portfolio Strategies LLC	168,775	$1,139	12/31/2023
FULC	168,775	$1,139	12/31/2023
Northern Trust Corp	144,965	$979	12/31/2023
FULC	144,965	$979	12/31/2023
Laurion Capital Management LP	144,721	$977	12/31/2023
FULC	144,721	$977	12/31/2023
RBF Capital LLC	140,000	$945	12/31/2023
FULC	140,000	$945	12/31/2023
Fiduciary Trust Co.	136,555	$922	12/31/2023
FULC	136,555	$922	12/31/2023
Acuitas Investments LLC	134,850	$910	12/31/2023
FULC	134,850	$910	12/31/2023
Opaleye Management Inc.	130,000	$878	12/31/2023
FULC	130,000	$878	12/31/2023
Bridgeway Capital Management Inc.	126,500	$854	12/31/2023
FULC	126,500	$854	12/31/2023
Affinity Asset Advisors LLC	125,000	$844	12/31/2023
FULC	125,000	$844	12/31/2023
Jacobs Levy Equity Management Inc.	122,130	$824	12/31/2023
FULC	122,130	$824	12/31/2023
ClariVest Asset Management LLC	106,977	$722	12/31/2023
FULC	106,977	$722	12/31/2023
Balyasny Asset Management LLC	105,179	$710	12/31/2023
FULC	105,179	$710	12/31/2023
Commonwealth Equity Services LLC	96,428	$651	12/31/2023
FULC	96,428	$651	12/31/2023
Man Group plc	94,617	$639	12/31/2023
FULC	94,617	$639	12/31/2023
Stifel Financial Corp	71,455	$482	12/31/2023
FULC	71,455	$482	12/31/2023
Barclays PLC	68,185	$460	12/31/2023
FULC	68,185	$460	12/31/2023
Landscape Capital Management L.L.C.	64,754	$437	12/31/2023
FULC	64,754	$437	12/31/2023
American Century Companies Inc.	64,623	$436	12/31/2023
FULC	64,623	$436	12/31/2023
DekaBank Deutsche Girozentrale	60,000	$412	12/31/2023
FULC	60,000	$412	12/31/2023
Denali Advisors LLC	57,800	$390	12/31/2023
FULC	57,800	$390	12/31/2023
ExodusPoint Capital Management LP	51,664	$349	12/31/2023
FULC	51,664	$349	12/31/2023
683 Capital Management LLC	46,778	$316	12/31/2023
FULC	46,778	$316	12/31/2023
Country Trust Bank	30,186	$285	03/31/2024
FULC	30,186	$285	03/31/2024
Alps Advisors Inc.	39,854	$269	12/31/2023
FULC	39,854	$269	12/31/2023
Wolverine Trading LLC		$239	12/31/2023
Call	21,700	$146	12/31/2023
FULC	13,747	$93	12/31/2023
UBS Group AG	30,183	$204	12/31/2023
FULC	30,183	$204	12/31/2023
MYDA Advisors LLC	29,370	$198	12/31/2023
FULC	29,370	$198	12/31/2023
Sofinnova Investments Inc.	28,600	$193	12/31/2023
FULC	28,600	$193	12/31/2023
Marquette Asset Management LLC	27,867	$188	12/31/2023
FULC	27,867	$188	12/31/2023
Brandywine Managers LLC	26,127	$176	12/31/2023
FULC	26,127	$176	12/31/2023
Algert Global LLC	25,830	$174	12/31/2023
FULC	25,830	$174	12/31/2023
Brown Wealth Management LLC	25,000	$169	12/31/2023
FULC	25,000	$169	12/31/2023
Franklin Resources Inc.	24,821	$168	12/31/2023
FULC	24,821	$168	12/31/2023
Charles Schwab Investment Management Inc.	24,485	$165	12/31/2023
FULC	24,485	$165	12/31/2023
Bank of New York Mellon Corp	19,831	$134	12/31/2023
FULC	19,831	$134	12/31/2023
Blackstone Group Inc	19,216	$130	12/31/2023
FULC	19,216	$130	12/31/2023
Principal Financial Group Inc.	17,993	$121	12/31/2023
FULC	17,993	$121	12/31/2023
Mirabella Financial Services LLP	16,914	$114	12/31/2023
FULC	16,914	$114	12/31/2023
Y Intercept Hong Kong Ltd	16,418	$111	12/31/2023
FULC	16,418	$111	12/31/2023
LM Advisors LLC	16,132	$109	12/31/2023
FULC	16,132	$109	12/31/2023
Price T Rowe Associates Inc. MD	15,900	$108	12/31/2023
FULC	15,900	$108	12/31/2023
Bank of Montreal Can	14,200	$98	12/31/2023
FULC	14,200	$98	12/31/2023
Alphabet Inc.	14,262	$96	12/31/2023
FULC	14,262	$96	12/31/2023
Boothbay Fund Management LLC	11,730	$79	12/31/2023
FULC	11,730	$79	12/31/2023
Sherbrooke Park Advisers LLC	11,684	$79	12/31/2023
FULC	11,684	$79	12/31/2023
JPMorgan Chase & Co.	11,440	$77	12/31/2023
FULC	11,440	$77	12/31/2023
Capstone Investment Advisors LLC	10,000	$68	12/31/2023
FULC	10,000	$68	12/31/2023
China Universal Asset Management Co. Ltd.	7,150	$48	12/31/2023
FULC	7,150	$48	12/31/2023
PrairieView Partners LLC	5,000	$34	12/31/2023
FULC	5,000	$34	12/31/2023
Aquatic Capital Management LLC	4,200	$28	12/31/2023
FULC	4,200	$28	12/31/2023
Tower Research Capital LLC TRC	3,658	$25	12/31/2023
FULC	3,658	$25	12/31/2023
Zurcher Kantonalbank Zurich Cantonalbank	2,023	$14	12/31/2023
FULC	2,023	$14	12/31/2023
Rhumbline Advisers	1,657	$11	12/31/2023
FULC	1,657	$11	12/31/2023
Nisa Investment Advisors LLC	1,542	$10	12/31/2023
FULC	1,542	$10	12/31/2023
Steward Partners Investment Advisory LLC	790	$5	12/31/2023
FULC	790	$5	12/31/2023
Wells Fargo & Company MN	381	$3	12/31/2023
FULC	381	$3	12/31/2023
National Bank of Canada FI	460	$3	12/31/2023
FULC	460	$3	12/31/2023
Daiwa Securities Group Inc.	138	$1	12/31/2023
FULC	138	$1	12/31/2023
GAMMA Investing LLC	45	$0	03/31/2024
FULC	45	$0	03/31/2024
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
FULC	0	$0	12/31/2023
Royal Bank of Canada	8	$0	12/31/2023
FULC	8	$0	12/31/2023
Parallel Advisors LLC	44	$0	12/31/2023
FULC	44	$0	12/31/2023
Group One Trading L.P.	5,400	$-165	12/31/2023
Put	50,000	$338	12/31/2023
FULC	20,359	$137	12/31/2023
Call	5,400	$36	12/31/2023