Group One Trading
BTCZ

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

Group One 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 		$34.5K Buy
6,300
+5,800
+1,160% +$29K ﹤0.01% 5544
2025
Q4 		$2.1K Sell
500
-1,200
-71% -$4.27K ﹤0.01% 7534
2025
Q3 		$4.8K Sell
1,700
-3,100
-65% -$9.1K ﹤0.01% 7564
2025
Q2 		$16.4K Buy
4,800
+3,700
+336% +$16.3K ﹤0.01% 6400
2025
Q1 		$7.22K Buy
+1,100
New +$6.22K ﹤0.01% 6455

Other funds holding BTCZ

Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
HF
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
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
Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

Group One Trading's BTCZ Position: Q1 2026 in Review

Group One Trading increased its T-Rex 2X Inverse Bitcoin Daily Target ETF (BTCZ) stake by 254% in Q1 2026, buying an estimated $59.4K and bringing the position to 16,527 shares worth $90.4K. The position accounts for ﹤0.01% of the portfolio, ranked #4826.

Group One Trading first reported a position in BTCZ in Q2 2025 and has held it in 4 quarters since. 7 funds tracked by Wall St. Rank hold BTCZ as of Q1 2026.

  • Group One Trading held 16,527 shares of T-Rex 2X Inverse Bitcoin Daily Target ETF worth $90.4K as of Q1 2026.
  • Group One Trading bought 11,858 T-Rex 2X Inverse Bitcoin Daily Target ETF shares in Q1 2026, an estimated $59.4K.
  • T-Rex 2X Inverse Bitcoin Daily Target ETF made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #4826 holding.
  • Group One Trading first reported a position in T-Rex 2X Inverse Bitcoin Daily Target ETF in Q2 2025 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 Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.