On this page, we present all of the funds holding UBX from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding UBX, with a link to that fund's top holdings. The next columns indicate the amount of UBX stock held by each of the funds holding UBX, followed by the UBX position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 42 funds holding UBX within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Alyeska Investment Group L.P.. For more details on the positions held by Alyeska Investment Group L.P. (or by any of the other funds holding UBX), click the fund name in the "Holder" column of the funds-holding-UBX table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Alyeska Investment Group L.P.		$4,492	12/31/2023
Call	1,286,000	$2,482	12/31/2023
UBX	1,041,331	$2,010	12/31/2023
Arch Venture Corp	1,004,817	$1,939	12/31/2023
UBX	1,004,817	$1,939	12/31/2023
Armistice Capital LLC	688,000	$1,328	12/31/2023
UBX	688,000	$1,328	12/31/2023
Vanguard Group Inc.	561,602	$1,084	12/31/2023
UBX	561,602	$1,084	12/31/2023
Geode Capital Management LLC	131,782	$254	12/31/2023
UBX	131,782	$254	12/31/2023
Mayo Clinic	124,081	$239	12/31/2023
UBX	124,081	$239	12/31/2023
BlackRock Inc.	113,081	$218	12/31/2023
UBX	113,081	$218	12/31/2023
UBS Oconnor LLC	92,700	$179	12/31/2023
UBX	92,700	$179	12/31/2023
Citadel Advisors LLC		$107	12/31/2023
UBX	48,676	$94	12/31/2023
Call	12,850	$25	12/31/2023
Put	6,300	$12	12/31/2023
Bridgeway Capital Management Inc.	50,000	$96	12/31/2023
UBX	50,000	$96	12/31/2023
Founders Fund V Management LLC	49,172	$95	12/31/2023
UBX	49,172	$95	12/31/2023
Wells Fargo & Company MN	43,504	$84	12/31/2023
UBX	43,504	$84	12/31/2023
Cercano Management LLC	41,238	$80	12/31/2023
UBX	41,238	$80	12/31/2023
Renaissance Technologies LLC	38,171	$74	12/31/2023
UBX	38,171	$74	12/31/2023
State Street Corp	37,824	$73	12/31/2023
UBX	37,824	$73	12/31/2023
Morgan Stanley	36,760	$71	12/31/2023
UBX	36,760	$71	12/31/2023
Group One Trading L.P.		$69	12/31/2023
Call	46,000	$89	12/31/2023
Put	10,200	$20	12/31/2023
Jane Street Group LLC	28,455	$55	12/31/2023
UBX	28,455	$55	12/31/2023
Dimensional Fund Advisors LP	25,500	$49	12/31/2023
UBX	25,500	$49	12/31/2023
Commonwealth Equity Services LLC	23,612	$46	12/31/2023
UBX	23,612	$46	12/31/2023
Northern Trust Corp	21,638	$42	12/31/2023
UBX	21,638	$42	12/31/2023
Laurion Capital Management LP	21,569	$42	12/31/2023
UBX	21,569	$42	12/31/2023
XTX Topco Ltd	20,971	$40	12/31/2023
UBX	20,971	$40	12/31/2023
Susquehanna International Group LLP	15,958	$31	12/31/2023
UBX	15,958	$31	12/31/2023
Millennium Management LLC	13,438	$26	12/31/2023
UBX	13,438	$26	12/31/2023
Advisor Group Holdings Inc.	13,206	$25	12/31/2023
UBX	13,206	$25	12/31/2023
CIBC Asset Management Inc	10,634	$21	12/31/2023
UBX	10,634	$21	12/31/2023
Wolverine Trading LLC		$20	12/31/2023
Call	10,500	$20	12/31/2023
UBS Group AG	9,300	$18	12/31/2023
UBX	9,300	$18	12/31/2023
Simplex Trading LLC		$13	12/31/2023
Call	4,900	$9	12/31/2023
UBX	2,313	$4	12/31/2023
Put	200	$0	12/31/2023
Tower Research Capital LLC TRC	2,428	$5	12/31/2023
UBX	2,428	$5	12/31/2023
Royal Bank of Canada	461	$1	12/31/2023
UBX	461	$1	12/31/2023
Cape Investment Advisory Inc.	300	$1	12/31/2023
UBX	300	$1	12/31/2023
JPMorgan Chase & Co.	257	$0	12/31/2023
UBX	257	$0	12/31/2023
Bank of America Corp DE	8	$0	12/31/2023
UBX	8	$0	12/31/2023
FMR LLC	37	$0	12/31/2023
UBX	37	$0	12/31/2023
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
UBX	0	$0	12/31/2023
Call	0	$0	12/31/2023
Ameritas Investment Partners Inc.	100	$0	12/31/2023
UBX	100	$0	12/31/2023
Rhumbline Advisers	129	$0	12/31/2023
UBX	129	$0	12/31/2023
Signaturefd LLC	200	$0	12/31/2023
UBX	200	$0	12/31/2023
AllSquare Wealth Management LLC	55	$0	12/31/2023
UBX	55	$0	12/31/2023
Qube Research & Technologies Ltd	18	$0	12/31/2023
UBX	18	$0	12/31/2023
Carmichael Hill & Associates Inc.	100	$0	12/31/2023
UBX	100	$0	12/31/2023