Citadel Advisors
BTCZ

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

Citadel Advisors’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
2025
Q4 		– Sell
-30,136
Closed -$85.1K – 14388
2025
Q3 		$85.1K Buy
30,136
+15,606
+107% +$45.8K ﹤0.01% 11941
2025
Q2 		$49.7K Buy
+14,530
New +$63.8K ﹤0.01% 11769
2025
Q1 		– Sell
-26,148
Closed -$155K – 15801
2024
Q4 		$155K Buy
+26,148
New +$256K ﹤0.01% 10826

Other funds holding BTCZ

HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Belvedere Trading
Belvedere Trading Chicago, Illinois $84.4B AUM 52.68% 1-Year Est. Return
FTUS
Flow Traders U.S. New York $3.16B AUM 19.52% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

Citadel Advisors's BTCZ Position: Q4 2025 in Review

Citadel Advisors sold out of T-Rex 2X Inverse Bitcoin Daily Target ETF (BTCZ) in Q4 2025, closing a stake of 30,136 shares — an estimated $85.1K sold.

Citadel Advisors first reported a position in BTCZ in Q4 2024 and held it in 3 quarters. The position peaked at $155K in Q4 2024. 8 funds tracked by Wall St. Rank hold BTCZ as of Q4 2025.

  • Citadel Advisors reported no remaining T-Rex 2X Inverse Bitcoin Daily Target ETF position as of Q4 2025 after selling out during the quarter.
  • Citadel Advisors sold 30,136 T-Rex 2X Inverse Bitcoin Daily Target ETF shares in Q4 2025, an estimated $85.1K.
  • Citadel Advisors first reported a position in T-Rex 2X Inverse Bitcoin Daily Target ETF in Q4 2024 and held it in 3 quarters.
  • Citadel Advisors's T-Rex 2X Inverse Bitcoin Daily Target ETF position peaked at $155K in Q4 2024.
  • 8 funds tracked by Wall St. Rank held T-Rex 2X Inverse Bitcoin Daily Target ETF as of Q4 2025.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.