MSTZ · T-Rex 2X Inverse MSTR Daily Target ETF ETF

Alerts for MSTZ

$3.73 +0.10 (+2.62%) 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: $3,359,139

Total Shares: 216,300

Institutional Ownership Trend

4 quarters

Holder Concentration

Across 1 13F filers · Δ vs Mar 31, 2025

Top Holder

100.0%

+69.0 pts

Top 5

100.0%

+10.3 pts

Top 10

100.0%

+1.0 pts

HHI

10,000

Highly concentrated+7,972

Quarterly Activity

vs Mar 31, 2025

New

0

Increased

0

Decreased

1

Sold Out

19

Unchanged

0

Holder count: -19

Institutional value: -94.0%

Shares held: -94.6%

Top Buyers

vs Mar 31, 2025

No qualifying movers this quarter.

Top Sellers

vs Mar 31, 2025

Institution	Sold	Now Holds	Open
Mega CITADEL ADVISORS LLC	−587,889	216,300

Top New Positions

vs Mar 31, 2025

No new positions this quarter.

Top Sold-Out Positions

vs Mar 31, 2025

Institution	Previously Held	Last Value (USD)	Open
Mega JANE STREET GROUP, LLC	1,246,648	$17,490,470
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	893,950	$12,542,118
Mega UBS Group AG	433,250	$6,078,497
Mega WELLINGTON MANAGEMENT GROUP LLP	226,500	$3,177,795
Mid Optiver Holding B.V.	113,350	$1,590,300

Filter: New 0 Increased 0 Reduced 1 Sold out 19 Unchanged 0

Showing 2 of 2

All Common Calls Puts

Compact Export CSV

CITADEL ADVISORS LLC MSTZ

$2,554,685

76.05%

164,500

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	164,500	$2,554,685	100.0%	Defined

CITADEL ADVISORS LLC MSTZ

$804,454

23.95%

51,800

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	51,800	$804,454	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 Options, LLC	633,650	$8,890,109	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	512,300	$7,187,569	100.0%	Other

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	433,250	$6,078,497	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	342,583	$4,806,439	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	43,280	$607,218	12.8%	Other
G1 EXECUTION SERVICES, LLC	293,770	$4,121,593	87.2%	Other

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

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Options, LLC	270,415	$3,793,922	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Wellington Management Company LLP	226,500	$3,177,795	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Optiver VOF	113,350	$1,590,300	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Jump Trading Holdings, LLC joint	98,774	$1,385,799	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	44,600	$625,738	100.0%	Other

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

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	10,736	$150,626	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO. LLC	5,930	$83,197	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Desjardins Securities inc.	800	$11,224	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	100	$1,403	100.0%	Other

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	76	$1,066	100.0%	Defined