On this page, we present all of the funds holding UST from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding UST, with a link to that fund's top holdings. The next columns indicate the amount of UST stock held by each of the funds holding UST, followed by the UST position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 10 funds holding UST within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Simplex Trading LLC. For more details on the positions held by Simplex Trading LLC (or by any of the other funds holding UST), click the fund name in the "Holder" column of the funds-holding-UST table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Simplex Trading LLC		$44,054	03/31/2024
Call	8,495,800	$231,883	03/31/2024
Put	4,553,100	$187,851	03/31/2024
UST	522	$22	03/31/2024
Aveo Capital Partners LLC	41,699	$1,899	12/31/2023
UST	41,699	$1,899	12/31/2023
Jane Street Group LLC	6,053	$276	12/31/2023
UST	6,053	$276	12/31/2023
Iams Wealth Management LLC	4,865	$210	03/31/2024
UST	4,865	$210	03/31/2024
Susquehanna International Group LLP		$92	12/31/2023
UST	8,718	$397	12/31/2023
Put	6,700	$305	12/31/2023
Royal Bank of Canada	1,476	$67	12/31/2023
UST	1,476	$67	12/31/2023
Main Street Group LTD	1,213	$55	12/31/2023
UST	1,213	$55	12/31/2023
Capital Investment Advisory Services LLC	750	$34	12/31/2023
UST	750	$34	12/31/2023
Advisor Group Holdings Inc.	375	$17	12/31/2023
UST	375	$17	12/31/2023
UBS Group AG	290	$13	12/31/2023
UST	290	$13	12/31/2023
Proequities Inc.	0	$0	12/31/2023
UST	0	$0	12/31/2023

See Summary: Institutional Holders of UST
See Details: Top 10 Hedge Funds Holding UST
Also See: UST Holdings Changes

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