T-Rex 2X Inverse MSTR Daily Target ETF

MSTZ

Market cap $96.9M

MSTZ Hedge Fund Activity: Q1 2026 in Review

16 of the 8,148 institutional investors tracked by Wall St. Rank reported a position in T-Rex 2X Inverse MSTR Daily Target ETF (MSTZ) for Q1 2026, worth a combined $7.67M — down 12% from $8.71M a quarter earlier.

Buyers outnumbered sellers: 8 funds opened new MSTZ positions and 7 closed out — a net gain of 1 holder — while 3 added to existing stakes and 5 trimmed.

The largest buyer was XTX Topco, opening a new position worth an estimated $1.57M. The largest seller was Jane Street, cutting an estimated $990K.

• 16 institutional investors held T-Rex 2X Inverse MSTR Daily Target ETF (MSTZ) as of Q1 2026, up from 15 in Q4 2025.
• Funds reported $7.67M of T-Rex 2X Inverse MSTR Daily Target ETF stock for Q1 2026, down 12% quarter-over-quarter.
• 8 funds opened new T-Rex 2X Inverse MSTR Daily Target ETF positions in Q1 2026 and 7 closed out, a net change of +1 holder.
• The largest T-Rex 2X Inverse MSTR Daily Target ETF buyer in Q1 2026 was XTX Topco, an estimated $1.57M added.
• The largest T-Rex 2X Inverse MSTR Daily Target ETF seller in Q1 2026 was Jane Street, an estimated $990K sold.

Based on aggregated 13F filings for Q1 2026.