On this page, we present all of the funds holding OBIO from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding OBIO, with a link to that fund's top holdings. The next columns indicate the amount of OBIO stock held by each of the funds holding OBIO, followed by the OBIO position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 40 funds holding OBIO within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by RTW Investments LP. For more details on the positions held by RTW Investments LP (or by any of the other funds holding OBIO), click the fund name in the "Holder" column of the funds-holding-OBIO table below.

Holder	Amount	Position Size ($ in 1000's)	As of
RTW Investments LP	5,620,640	$51,316	12/31/2023
OBIO	5,620,640	$51,316	12/31/2023
Perceptive Advisors LLC	2,432,089	$22,205	12/31/2023
OBIO	2,432,089	$22,205	12/31/2023
BlackRock Inc.	1,468,768	$13,410	12/31/2023
OBIO	1,468,768	$13,410	12/31/2023
Vanguard Group Inc.	1,227,282	$11,205	12/31/2023
OBIO	1,227,282	$11,205	12/31/2023
Price T Rowe Associates Inc. MD	622,608	$5,685	12/31/2023
OBIO	622,608	$5,685	12/31/2023
Geode Capital Management LLC	425,749	$3,888	12/31/2023
OBIO	425,749	$3,888	12/31/2023
State Street Corp	285,910	$2,610	12/31/2023
OBIO	285,910	$2,610	12/31/2023
Boxer Capital LLC	238,193	$2,175	12/31/2023
OBIO	238,193	$2,175	12/31/2023
Charles Schwab Investment Management Inc.	175,545	$1,603	12/31/2023
OBIO	175,545	$1,603	12/31/2023
Northern Trust Corp	142,879	$1,304	12/31/2023
OBIO	142,879	$1,304	12/31/2023
SVB Financial Group	127,068	$1,160	12/31/2023
OBIO	127,068	$1,160	12/31/2023
TD Asset Management Inc.	92,678	$846	12/31/2023
OBIO	92,678	$846	12/31/2023
Lasry Marc	60,869	$556	12/31/2023
OBIO	60,869	$556	12/31/2023
Arkadios Wealth Advisors	51,595	$471	12/31/2023
OBIO	51,595	$471	12/31/2023
Bank of America Corp DE	45,428	$415	12/31/2023
OBIO	45,428	$415	12/31/2023
The Manufacturers Life Insurance Company	39,942	$365	12/31/2023
OBIO	39,942	$365	12/31/2023
Morgan Stanley	25,781	$235	12/31/2023
OBIO	25,781	$235	12/31/2023
Barclays PLC	20,141	$184	12/31/2023
OBIO	20,141	$184	12/31/2023
Bank of New York Mellon Corp	32,776	$173	03/31/2024
OBIO	32,776	$173	03/31/2024
HighTower Advisors LLC	16,000	$146	12/31/2023
OBIO	16,000	$146	12/31/2023
UBS Group AG	13,432	$123	12/31/2023
OBIO	13,432	$123	12/31/2023
Nuveen Asset Management LLC	12,006	$110	12/31/2023
OBIO	12,006	$110	12/31/2023
Citadel Advisors LLC	10,112	$92	12/31/2023
OBIO	10,112	$92	12/31/2023
JPMorgan Chase & Co.	9,606	$88	12/31/2023
OBIO	9,606	$88	12/31/2023
Rhumbline Advisers	8,428	$77	12/31/2023
OBIO	8,428	$77	12/31/2023
Deutsche Bank AG	7,784	$71	12/31/2023
OBIO	7,784	$71	12/31/2023
American International Group Inc.	7,243	$66	12/31/2023
OBIO	7,243	$66	12/31/2023
Royal Bank of Canada	5,259	$48	12/31/2023
OBIO	5,259	$48	12/31/2023
IFP Advisors Inc	4,130	$38	12/31/2023
OBIO	4,130	$38	12/31/2023
Wells Fargo & Company MN	3,863	$35	12/31/2023
OBIO	3,863	$35	12/31/2023
New York State Common Retirement Fund	3,623	$33	12/31/2023
OBIO	3,623	$33	12/31/2023
Harbour Investments Inc.	3,500	$32	12/31/2023
OBIO	3,500	$32	12/31/2023
FMR LLC	3,349	$31	12/31/2023
OBIO	3,349	$31	12/31/2023
Tower Research Capital LLC TRC	2,468	$23	12/31/2023
OBIO	2,468	$23	12/31/2023
California State Teachers Retirement System	2,398	$22	12/31/2023
OBIO	2,398	$22	12/31/2023
Citigroup Inc.	2,071	$19	12/31/2023
OBIO	2,071	$19	12/31/2023
Legal & General Group Plc	1,508	$14	12/31/2023
OBIO	1,508	$14	12/31/2023
Ameritas Investment Partners Inc.	1,396	$13	12/31/2023
OBIO	1,396	$13	12/31/2023
Amalgamated Bank	141	$1	03/31/2024
OBIO	141	$1	03/31/2024
CWM LLC	2	$0	03/31/2024
OBIO	2	$0	03/31/2024
Proequities Inc.	0	$0	12/31/2023
OBIO	0	$0	12/31/2023