Simplex Trading’s T-Rex 2X Inverse Bitcoin Daily Target ETF BTCZ Stock Holding History

Simplex Trading’s Portfolio BTCZ Stock Details BTCZ Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$22.1K	Buy	+4,037	New	+$20.2K	﹤0.01%	6698
2025 Q4	–	Sell	-207	Closed	–	–	10385
2025 Q3	$0	Sell	207 -463	-69%	-$1.36K	﹤0.01%	10298
2025 Q2	$2K	Buy	+670	New	+$2.94K	﹤0.01%	8237
2025 Q1	–	Sell	-100	Closed	–	–	9916
2024 Q4	$0	Buy	+100	New	+$977	﹤0.01%	9839

Other funds holding BTCZ

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

HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return

TSS

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

Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

FTUS

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

SRL

Scientech Research LLC Jersey City, New Jersey $120M AUM 73.62% 1-Year Est. Return

Simplex Trading's BTCZ Position: Q1 2026 in Review

Simplex Trading opened a new position in T-Rex 2X Inverse Bitcoin Daily Target ETF (BTCZ) in Q1 2026: 4,037 shares worth $22.1K. The stake represents ﹤0.01% of the portfolio and ranks #6698 among its holdings. This is a return to the name: Simplex Trading previously reported a position in BTCZ as recently as Q3 2025.

Simplex Trading first reported a position in BTCZ in Q4 2024 and has held it in 4 quarters since. 7 funds tracked by Wall St. Rank hold BTCZ as of Q1 2026.

Simplex Trading held 4,037 shares of T-Rex 2X Inverse Bitcoin Daily Target ETF worth $22.1K as of Q1 2026.
T-Rex 2X Inverse Bitcoin Daily Target ETF was a new Simplex Trading position in Q1 2026.
T-Rex 2X Inverse Bitcoin Daily Target ETF made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #6698 holding.
Simplex Trading first reported a position in T-Rex 2X Inverse Bitcoin Daily Target ETF in Q4 2024 and has held it in 4 quarters since.
7 funds tracked by Wall St. Rank held T-Rex 2X Inverse Bitcoin Daily Target ETF as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.