OILK · ProShares K-1 Free Crude Oil ETF ETF

Alerts for OILK

$54.52 +0.39 (+0.72%) At close · Sep 4

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 1

Total Value: $6,917,345

Total Shares: 145,659

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 1 13F filers · Δ vs Mar 31, 2026

Top Holder

100.0%

+69.3 pts

Top 5

100.0%

+26.1 pts

Top 10

100.0%

+14.9 pts

HHI

10,000

Highly concentrated+8,262

Quarterly Activity

vs Mar 31, 2026

New

0

Increased

1

Decreased

0

Sold Out

45

Unchanged

0

Holder count: -45

Institutional value: -93.2%

Shares held: -92.2%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds	Open
Mega CITADEL ADVISORS LLC	+19,759	145,659

Top Sellers

vs Mar 31, 2026

No qualifying movers this quarter.

Top New Positions

vs Mar 31, 2026

No new positions this quarter.

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)	Open
Mid Harvest Fund Management Co., Ltd	574,511	$31,081,045
Small Trek Financial, LLC	472,285	$25,550,618
Small NewSquare Capital LLC	144,858	$7,836,817
Large Belvedere Trading LLC	66,279	$3,585,693
Micro Green Ridge Wealth Planning LLC	55,160	$2,984,156

Filter: New 0 Increased 1 Reduced 0 Sold out 45 Unchanged 0

Showing 3 of 3

All Common Calls Puts

Compact Export CSV

CITADEL ADVISORS LLC OILK

$4,506,801

65.15%

94,900

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	94,900	$4,506,801	100.0%	Defined

CITADEL ADVISORS LLC OILK

$1,263,234

18.26%

26,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	26,600	$1,263,234	100.0%	Defined

CITADEL ADVISORS LLC OILK

$1,147,310

16.59%

24,159

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	24,159	$1,147,310	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	36,554	$1,977,571	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	7,792	$421,547	22.5%	Other
G1 EXECUTION SERVICES, LLC	26,841	$1,452,098	77.5%	Other

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY SMITH BARNEY LLC	3,213	$173,823	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	2,554	$138,171	98.5%	Defined
UBS Securities LLC	38	$2,055	1.5%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
55I, LLC	711	$38,465	100.0%	Other

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	661	$35,760	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	290	$15,689	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Tower Research Capital Investments LLC	207	$11,198	100.0%	Other

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	1	$54	100.0%	Defined