On this page, we present all of the funds holding ETNB from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding ETNB, with a link to that fund's top holdings. The next columns indicate the amount of ETNB stock held by each of the funds holding ETNB, followed by the ETNB position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 152 funds holding ETNB 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 ETNB), click the fund name in the "Holder" column of the funds-holding-ETNB table below.

Holder	Amount	Position Size ($ in 1000's)	As of
RA Capital Management L.P.	11,416,948	$127,527	12/31/2023
ETNB	11,416,948	$127,527	12/31/2023
Janus Henderson Group PLC	8,915,141	$99,570	12/31/2023
ETNB	8,915,141	$99,570	12/31/2023
RTW Investments LP	5,578,931	$62,317	12/31/2023
ETNB	5,578,931	$62,317	12/31/2023
BlackRock Inc.	5,454,196	$60,923	12/31/2023
ETNB	5,454,196	$60,923	12/31/2023
State Street Corp	5,399,358	$60,311	12/31/2023
ETNB	5,399,358	$60,311	12/31/2023
Suvretta Capital Management LLC	4,888,434	$54,604	12/31/2023
ETNB	4,888,434	$54,604	12/31/2023
Pictet Asset Management Holding SA	4,557,680	$50,909	12/31/2023
ETNB	4,557,680	$50,909	12/31/2023
Vanguard Group Inc.	4,307,585	$48,116	12/31/2023
ETNB	4,307,585	$48,116	12/31/2023
BVF Inc. IL	4,047,354	$45,209	12/31/2023
ETNB	4,047,354	$45,209	12/31/2023
Holocene Advisors LP	3,490,628	$38,990	12/31/2023
ETNB	3,490,628	$38,990	12/31/2023
Adage Capital Partners GP L.L.C.	3,125,000	$34,906	12/31/2023
ETNB	3,125,000	$34,906	12/31/2023
Laurion Capital Management LP	2,704,202	$30,206	12/31/2023
ETNB	2,704,202	$30,206	12/31/2023
Citadel Advisors LLC		$24,851	12/31/2023
ETNB	2,178,339	$24,332	12/31/2023
Call	105,200	$1,175	12/31/2023
Put	58,700	$656	12/31/2023
Frazier Life Sciences Management L.P.	2,000,000	$22,340	12/31/2023
ETNB	2,000,000	$22,340	12/31/2023
Redmile Group LLC	1,969,402	$21,998	12/31/2023
ETNB	1,969,402	$21,998	12/31/2023
Federated Hermes Inc.	1,962,566	$21,922	12/31/2023
ETNB	1,962,566	$21,922	12/31/2023
Westfield Capital Management Co. LP	1,761,148	$19,672	12/31/2023
ETNB	1,761,148	$19,672	12/31/2023
Morgan Stanley	1,489,260	$16,635	12/31/2023
ETNB	1,489,260	$16,635	12/31/2023
Geode Capital Management LLC	1,377,710	$15,391	12/31/2023
ETNB	1,377,710	$15,391	12/31/2023
Superstring Capital Management LP	1,021,477	$11,410	12/31/2023
ETNB	1,021,477	$11,410	12/31/2023
Franklin Resources Inc.	827,703	$9,245	12/31/2023
ETNB	827,703	$9,245	12/31/2023
Orchard Capital Managment LLC	739,208	$8,257	12/31/2023
ETNB	739,208	$8,257	12/31/2023
Alyeska Investment Group L.P.		$8,190	12/31/2023
ETNB	583,187	$6,514	12/31/2023
Call	150,000	$1,676	12/31/2023
Eagle Asset Management Inc.	702,095	$7,842	12/31/2023
ETNB	702,095	$7,842	12/31/2023
Goldman Sachs Group Inc.	631,112	$7,050	12/31/2023
ETNB	631,112	$7,050	12/31/2023
Northern Trust Corp	618,001	$6,903	12/31/2023
ETNB	618,001	$6,903	12/31/2023
Millennium Management LLC	558,885	$6,243	12/31/2023
ETNB	558,885	$6,243	12/31/2023
Marshall Wace LLP	554,337	$6,192	12/31/2023
ETNB	554,337	$6,192	12/31/2023
Barclays PLC	543,552	$6,071	12/31/2023
ETNB	543,552	$6,071	12/31/2023
Charles Schwab Investment Management Inc.	499,353	$5,578	12/31/2023
ETNB	499,353	$5,578	12/31/2023
Rafferty Asset Management LLC	453,674	$5,068	12/31/2023
ETNB	453,674	$5,068	12/31/2023
Sphera Funds Management LTD.	408,674	$4,565	12/31/2023
ETNB	408,674	$4,565	12/31/2023
StemPoint Capital LP	408,257	$4,560	12/31/2023
ETNB	408,257	$4,560	12/31/2023
Qube Research & Technologies Ltd	403,324	$4,505	12/31/2023
ETNB	403,324	$4,505	12/31/2023
Deutsche Bank AG	378,840	$4,232	12/31/2023
ETNB	378,840	$4,232	12/31/2023
Alliancebernstein L.P.	298,989	$3,340	12/31/2023
ETNB	298,989	$3,340	12/31/2023
UBS Group AG	284,497	$3,178	12/31/2023
ETNB	284,497	$3,178	12/31/2023
Candriam Luxembourg S.C.A.	280,000	$3,128	12/31/2023
ETNB	280,000	$3,128	12/31/2023
Newtyn Management LLC	272,500	$3,044	12/31/2023
ETNB	272,500	$3,044	12/31/2023
Bank of America Corp DE	271,899	$3,037	12/31/2023
ETNB	271,899	$3,037	12/31/2023
Bank of New York Mellon Corp	248,746	$2,895	03/31/2024
ETNB	248,746	$2,895	03/31/2024
Royal Bank of Canada	248,931	$2,781	12/31/2023
ETNB	248,931	$2,781	12/31/2023
Nuveen Asset Management LLC	242,389	$2,707	12/31/2023
ETNB	242,389	$2,707	12/31/2023
Wellington Management Group LLP	239,027	$2,670	12/31/2023
ETNB	239,027	$2,670	12/31/2023
Parkman Healthcare Partners LLC	219,448	$2,451	12/31/2023
ETNB	219,448	$2,451	12/31/2023
Citigroup Inc.	214,602	$2,397	12/31/2023
ETNB	214,602	$2,397	12/31/2023
Standard Life Aberdeen plc	214,192	$2,393	12/31/2023
ETNB	214,192	$2,393	12/31/2023
JPMorgan Chase & Co.	198,932	$2,222	12/31/2023
ETNB	198,932	$2,222	12/31/2023
Two Sigma Advisers LP	167,300	$1,869	12/31/2023
ETNB	167,300	$1,869	12/31/2023
Silverarc Capital Management LLC	158,719	$1,773	12/31/2023
ETNB	158,719	$1,773	12/31/2023
Comerica Bank	155,930	$1,742	12/31/2023
ETNB	155,930	$1,742	12/31/2023
Swiss National Bank	142,800	$1,595	12/31/2023
ETNB	142,800	$1,595	12/31/2023
Raymond James & Associates	135,273	$1,575	03/31/2024
ETNB	135,273	$1,575	03/31/2024
Monashee Investment Management LLC	140,000	$1,564	12/31/2023
ETNB	140,000	$1,564	12/31/2023
Two Sigma Investments LP	128,758	$1,438	12/31/2023
ETNB	128,758	$1,438	12/31/2023
University of Wisconsin Foundation	126,516	$1,413	12/31/2023
ETNB	126,516	$1,413	12/31/2023
Raymond James Financial Services Advisors Inc.	117,305	$1,365	03/31/2024
ETNB	117,305	$1,365	03/31/2024
State of Wisconsin Investment Board	121,863	$1,361	12/31/2023
ETNB	121,863	$1,361	12/31/2023
Invesco Ltd.	101,218	$1,131	12/31/2023
ETNB	101,218	$1,131	12/31/2023
Jane Street Group LLC		$1,104	12/31/2023
ETNB	89,297	$997	12/31/2023
Call	68,200	$762	12/31/2023
Put	58,600	$655	12/31/2023
DekaBank Deutsche Girozentrale	90,000	$1,018	03/31/2024
ETNB	90,000	$1,018	03/31/2024
Twinbeech Capital LP	86,689	$968	12/31/2023
ETNB	86,689	$968	12/31/2023
Wells Fargo & Company MN	85,855	$959	12/31/2023
ETNB	85,855	$959	12/31/2023
Rhumbline Advisers	84,089	$939	12/31/2023
ETNB	84,089	$939	12/31/2023
Nomura Holdings Inc.	82,000	$916	12/31/2023
ETNB	82,000	$916	12/31/2023
1492 Capital Management LLC	79,218	$885	12/31/2023
ETNB	79,218	$885	12/31/2023
UBS Oconnor LLC	79,075	$883	12/31/2023
ETNB	79,075	$883	12/31/2023
Schonfeld Strategic Advisors LLC	77,758	$869	12/31/2023
ETNB	77,758	$869	12/31/2023
California State Teachers Retirement System	75,149	$839	12/31/2023
ETNB	75,149	$839	12/31/2023
Legal & General Group Plc	73,569	$822	12/31/2023
ETNB	73,569	$822	12/31/2023
Profund Advisors LLC	73,141	$817	12/31/2023
ETNB	73,141	$817	12/31/2023
HRT Financial LP	65,192	$728	12/31/2023
ETNB	65,192	$728	12/31/2023
Walleye Trading LLC		$721	12/31/2023
Call	52,300	$584	12/31/2023
ETNB	12,261	$137	12/31/2023
UBS Asset Management Americas Inc.	59,100	$660	12/31/2023
ETNB	59,100	$660	12/31/2023
Credit Suisse AG	56,835	$635	12/31/2023
ETNB	56,835	$635	12/31/2023
Alps Advisors Inc.	52,456	$586	12/31/2023
ETNB	52,456	$586	12/31/2023
Algert Global LLC	46,824	$523	12/31/2023
ETNB	46,824	$523	12/31/2023
Mirae Asset Global Investments Co. Ltd.	45,644	$510	12/31/2023
ETNB	45,644	$510	12/31/2023
Pennant Investors LP	44,500	$497	12/31/2023
ETNB	44,500	$497	12/31/2023
Parkwood LLC	44,206	$494	12/31/2023
ETNB	44,206	$494	12/31/2023
Skandinaviska Enskilda Banken AB publ	39,400	$440	12/31/2023
ETNB	39,400	$440	12/31/2023
Dynamic Technology Lab Private Ltd	38,545	$431	12/31/2023
ETNB	38,545	$431	12/31/2023
Corton Capital Inc.	35,479	$396	12/31/2023
ETNB	35,479	$396	12/31/2023
ExodusPoint Capital Management LP	35,218	$393	12/31/2023
ETNB	35,218	$393	12/31/2023
Bourgeon Capital Management LLC	33,650	$392	03/31/2024
ETNB	33,650	$392	03/31/2024
Entropy Technologies LP	33,507	$374	12/31/2023
ETNB	33,507	$374	12/31/2023
The Manufacturers Life Insurance Company	33,391	$373	12/31/2023
ETNB	33,391	$373	12/31/2023
MetLife Investment Management LLC	32,619	$364	12/31/2023
ETNB	32,619	$364	12/31/2023
American International Group Inc.	31,828	$356	12/31/2023
ETNB	31,828	$356	12/31/2023
Walleye Capital LLC	30,193	$337	12/31/2023
ETNB	30,193	$337	12/31/2023
Prudential Financial Inc.	28,896	$323	12/31/2023
ETNB	28,896	$323	12/31/2023
SG Americas Securities LLC	28,319	$316	12/31/2023
ETNB	28,319	$316	12/31/2023
New York State Common Retirement Fund	26,041	$291	12/31/2023
ETNB	26,041	$291	12/31/2023
Voya Investment Management LLC	25,343	$283	12/31/2023
ETNB	25,343	$283	12/31/2023
E Fund Management Co. Ltd.	24,363	$272	12/31/2023
ETNB	24,363	$272	12/31/2023
Price T Rowe Associates Inc. MD	24,221	$271	12/31/2023
ETNB	24,221	$271	12/31/2023
Group One Trading L.P.		$264	12/31/2023
Call	123,200	$1,376	12/31/2023
Put	117,400	$1,311	12/31/2023
ETNB	17,858	$199	12/31/2023
Arizona State Retirement System	20,257	$226	12/31/2023
ETNB	20,257	$226	12/31/2023
Bellevue Group AG	20,200	$226	12/31/2023
ETNB	20,200	$226	12/31/2023
Gilliland Jeter Wealth Management LLC	19,000	$212	12/31/2023
ETNB	19,000	$212	12/31/2023
China Universal Asset Management Co. Ltd.	17,900	$208	03/31/2024
ETNB	17,900	$208	03/31/2024
GTS Securities LLC		$208	12/31/2023
Call	18,600	$208	12/31/2023
Nebula Research & Development LLC	18,559	$207	12/31/2023
ETNB	18,559	$207	12/31/2023
State Board of Administration of Florida Retirement System	17,700	$198	12/31/2023
ETNB	17,700	$198	12/31/2023
Teacher Retirement System of Texas	15,791	$176	12/31/2023
ETNB	15,791	$176	12/31/2023
Oracle Alpha Inc.	15,520	$173	12/31/2023
ETNB	15,520	$173	12/31/2023
ProShare Advisors LLC	15,418	$172	12/31/2023
ETNB	15,418	$172	12/31/2023
Engineers Gate Manager LP	15,211	$170	12/31/2023
ETNB	15,211	$170	12/31/2023
The PNC Financial Services Group Inc.	14,760	$165	12/31/2023
ETNB	14,760	$165	12/31/2023
Pekin Hardy Strauss Inc.	14,385	$161	12/31/2023
ETNB	14,385	$161	12/31/2023
D. E. Shaw & Co. Inc.	13,957	$156	12/31/2023
ETNB	13,957	$156	12/31/2023
Advisor Group Holdings Inc.	11,928	$133	12/31/2023
ETNB	11,928	$133	12/31/2023
American Century Companies Inc.	11,363	$127	12/31/2023
ETNB	11,363	$127	12/31/2023
Commonwealth Equity Services LLC	10,693	$124	03/31/2024
ETNB	10,693	$124	03/31/2024
Principal Financial Group Inc.	10,614	$124	03/31/2024
ETNB	10,614	$124	03/31/2024
Atom Investors LP	10,970	$123	12/31/2023
ETNB	10,970	$123	12/31/2023
Quest Partners LLC	10,465	$117	12/31/2023
ETNB	10,465	$117	12/31/2023
Cinctive Capital Management LP	10,000	$112	12/31/2023
ETNB	10,000	$112	12/31/2023
Sandia Investment Management LP	8,986	$100	12/31/2023
ETNB	8,986	$100	12/31/2023
Virtus ETF Advisers LLC	8,588	$96	12/31/2023
ETNB	8,588	$96	12/31/2023
Zurcher Kantonalbank Zurich Cantonalbank	7,997	$93	03/31/2024
ETNB	7,997	$93	03/31/2024
Ameritas Investment Partners Inc.	6,142	$69	12/31/2023
ETNB	6,142	$69	12/31/2023
Aquatic Capital Management LLC	5,500	$61	12/31/2023
ETNB	5,500	$61	12/31/2023
Wetzel Investment Advisors Inc.	5,000	$58	03/31/2024
ETNB	5,000	$58	03/31/2024
Tower Research Capital LLC TRC	4,800	$54	12/31/2023
ETNB	4,800	$54	12/31/2023
Harbor Capital Advisors Inc.	4,759	$53	12/31/2023
ETNB	4,759	$53	12/31/2023
EntryPoint Capital LLC	4,039	$45	12/31/2023
ETNB	4,039	$45	12/31/2023
Metropolitan Life Insurance Co NY	3,834	$43	12/31/2023
ETNB	3,834	$43	12/31/2023
AJOVista LLC	3,789	$42	12/31/2023
ETNB	3,789	$42	12/31/2023
FMR LLC	3,377	$38	12/31/2023
ETNB	3,377	$38	12/31/2023
Amalgamated Bank	2,669	$31	03/31/2024
ETNB	2,669	$31	03/31/2024
FNY Investment Advisers LLC		$22	12/31/2023
ETNB	2,000	$22	12/31/2023
Put	20	$0	12/31/2023
Quarry LP	1,000	$11	12/31/2023
ETNB	1,000	$11	12/31/2023
Capital Advisors Ltd. LLC	798	$9	03/31/2024
ETNB	798	$9	03/31/2024
Lindbrook Capital LLC	598	$7	03/31/2024
ETNB	598	$7	03/31/2024
Cape Investment Advisory Inc.	615	$7	12/31/2023
ETNB	615	$7	12/31/2023
Greenwood Gearhart Inc.	577	$6	12/31/2023
ETNB	577	$6	12/31/2023
ADAR1 Capital Management LLC	430	$5	12/31/2023
ETNB	430	$5	12/31/2023
US Bancorp DE	372	$4	12/31/2023
ETNB	372	$4	12/31/2023
CWM LLC	300	$3	03/31/2024
ETNB	300	$3	03/31/2024
Signaturefd LLC	224	$3	12/31/2023
ETNB	224	$3	12/31/2023
GAMMA Investing LLC	166	$2	03/31/2024
ETNB	166	$2	03/31/2024
Daiwa Securities Group Inc.	187	$2	12/31/2023
ETNB	187	$2	12/31/2023
Quadrant Capital Group LLC	204	$2	12/31/2023
ETNB	204	$2	12/31/2023
Nisa Investment Advisors LLC	55	$1	12/31/2023
ETNB	55	$1	12/31/2023
Chicago Partners Investment Group LLC	10,084	$0	03/31/2024
ETNB	10,084	$0	03/31/2024
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
ETNB	0	$0	12/31/2023
Nomura Asset Management Co. Ltd.	0	$0	12/31/2023
ETNB	0	$0	12/31/2023
Institutional & Family Asset Management LLC	24	$0	12/31/2023
ETNB	24	$0	12/31/2023
Covestor Ltd	12	$0	12/31/2023
ETNB	12	$0	12/31/2023
Jefferies Financial Group Inc.		$-1,098	12/31/2023
Put	162,400	$1,814	12/31/2023
ETNB	64,116	$716	12/31/2023
Susquehanna International Group LLP		$-1,991	12/31/2023
Put	474,600	$5,301	12/31/2023
ETNB	166,210	$1,857	12/31/2023
Call	130,100	$1,453	12/31/2023
Caption Management LLC	260,000	$-2,401	12/31/2023
Put	474,900	$5,305	12/31/2023
ETNB	260,000	$2,904	12/31/2023