XTX Topco’s T-Rex 2X Inverse MSTR Daily Target ETF MSTZ Stock Holding History

XTX Topco’s Portfolio MSTZ Stock Details MSTZ Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$555K	Sell	35,715 -81,604	-70%	-$687K	0.01%	2365
2026 Q1	$1.46M	Buy	+117,319	New	+$1.57M	0.03%	1100
2025 Q4	–	Sell	-32,711	Closed	-$172K	–	3923
2025 Q3	$172K	Buy	+32,711	New	+$147K	0.01%	1895
2025 Q2	–	Sell	-10,736	Closed	-$151K	–	3346
2025 Q1	$151K	Buy	+10,736	New	+$188K	0.01%	1764

Other funds holding MSTZ

HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return

StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return

Group One Trading Chicago, Illinois $71.1B AUM 128.96% 1-Year Est. Return

TSS

Two Sigma Securities New York $1.16B AUM 36.23% 1-Year Est. Return

Optiver Holding Amsterdam, Netherlands $371B AUM 64.6% 1-Year Est. Return

GTS Securities Miami, Florida $4.75B AUM 41.97% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

XTX Topco's MSTZ Position: Q2 2026 in Review

XTX Topco reduced its T-Rex 2X Inverse MSTR Daily Target ETF (MSTZ) stake by 70% in Q2 2026, selling an estimated $687K and leaving 35,715 shares worth $555K. The position accounts for 0.01% of the portfolio, ranked #2365.

XTX Topco first reported a position in MSTZ in Q1 2025 and has held it in 4 quarters since. The position peaked at $1.46M in Q1 2026. 16 funds tracked by Wall St. Rank hold MSTZ as of Q2 2026.

XTX Topco held 35,715 shares of T-Rex 2X Inverse MSTR Daily Target ETF worth $555K as of Q2 2026.
XTX Topco sold 81,604 T-Rex 2X Inverse MSTR Daily Target ETF shares in Q2 2026, an estimated $687K.
T-Rex 2X Inverse MSTR Daily Target ETF made up 0.01% of XTX Topco's portfolio in Q2 2026, its #2365 holding.
XTX Topco first reported a position in T-Rex 2X Inverse MSTR Daily Target ETF in Q1 2025 and has held it in 4 quarters since.
XTX Topco's T-Rex 2X Inverse MSTR Daily Target ETF position peaked at $1.46M in Q1 2026.
16 funds tracked by Wall St. Rank held T-Rex 2X Inverse MSTR Daily Target ETF as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.