Who Owns PROSHARES (SQQQ)? -- Institutional Holders (2026-06-30)

110 institutions reported holding $794.3M of PROSHARES (SQQQ) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($374.2M), CITADEL ADVISORS LLC ($196.5M), JANE STREET GROUP, LLC ($70.1M), CITIGROUP INC ($26.3M), Jump Financial, LLC ($18.7M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$374.2M	10.3M	Added
2	CITADEL ADVISORS LLC	$196.5M	5.4M	Added
3	JANE STREET GROUP, LLC	$70.1M	1.9M	Added
4	CITIGROUP INC	$26.3M	723,755	Added
5	Jump Financial, LLC	$18.7M	515,469	Added
6	IMC-Chicago, LLC	$17.4M	478,711	Trimmed
7	Trivest Advisors Ltd	$14.2M	390,900	New
8	HRT FINANCIAL LP	$12.4M	340,696	Added
9	UBS Group AG	$9.2M	252,600	Trimmed
10	Smithfield Trust Co	$7.4M	204,520	Added
11	GOLDMAN SACHS GROUP INC	$5.4M	148,756	Trimmed
12	StoneX Group Inc.	$5.4M	127,513	Added
13	Timothy G. Youngquist 2020 Irrevocable Trust	$5.1M	138,113	Added
14	O'Neil Global Advisors, Inc.	$5.0M	138,231	New
15	Marex Group plc	$2.3M	62,947	Added
16	Peregrine Asset Advisers, Inc.	$2.2M	60,668	New
17	AXS Investments LLC	$1.6M	42,689	Hold
18	DRW Securities, LLC	$1.5M	40,369	Added
19	WEALTH ENHANCEMENT ADVISORY SERVICES, LLC	$1.1M	29,000	New
20	SIMPLEX TRADING, LLC	$1.0M	28,410	Trimmed
21	TWO SIGMA SECURITIES, LLC	$984,437	27,112	Added
22	CHELSEA COUNSEL CO	$852,813	23,487	Hold
23	BARCLAYS PLC	$832,443	22,926	Trimmed
24	CANTOR FITZGERALD, L. P.	$821,514	22,625	New
25	MORGAN STANLEY	$800,572	22,048	Added

Source: SEC Form 13F filings · as of 2026-06-30