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 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

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Elequin Capital New York $1.19B AUM 16.08% 1-Year Est. Return

StoneX Group New York $1.86B AUM 21.3% 1-Year Est. Return

FTUS

Flow Traders U.S. New York $3.16B AUM 19.52% 1-Year Est. Return

TSS

Two Sigma Securities New York $861M AUM 21.33% 1-Year Est. Return

GTS Securities New York $2.83B AUM 21.76% 1-Year Est. Return

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

Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return

XTX Topco's MSTZ Position: Q1 2026 in Review

XTX Topco opened a new position in T-Rex 2X Inverse MSTR Daily Target ETF (MSTZ) in Q1 2026: 117,319 shares worth $1.46M. The stake represents 0.03% of the portfolio and ranks #1100 among its holdings. This is a return to the name: XTX Topco previously reported a position in MSTZ as recently as Q3 2025.

XTX Topco first reported a position in MSTZ in Q1 2025 and has held it in 3 quarters since. 16 funds tracked by Wall St. Rank hold MSTZ as of Q1 2026.

XTX Topco held 117,319 shares of T-Rex 2X Inverse MSTR Daily Target ETF worth $1.46M as of Q1 2026.
T-Rex 2X Inverse MSTR Daily Target ETF was a new XTX Topco position in Q1 2026.
T-Rex 2X Inverse MSTR Daily Target ETF made up 0.03% of XTX Topco's portfolio in Q1 2026, its #1100 holding.
XTX Topco first reported a position in T-Rex 2X Inverse MSTR Daily Target ETF in Q1 2025 and has held it in 3 quarters since.
16 funds tracked by Wall St. Rank held T-Rex 2X Inverse MSTR Daily Target ETF as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.