T-Rex 2X Inverse Bitcoin Daily Target ETF
BTCZ
8 hedge funds and large institutions have $1.46M invested in T-Rex 2X Inverse Bitcoin Daily Target ETF in 2025 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 4 increasing their positions, 1 reducing their positions, and 3 closing their positions.
300% more repeat investments, than reductions
Existing positions increased: 4 | Existing positions reduced: 1
242% more capital invested
Capital invested by funds: $427K → $1.46M (+$1.03M)
1.7% more ownership
Funds ownership: 9.41% → 11.11% (+1.7%)
0% more funds holding
Funds holding: 8 → 8 (0)
0% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 3
96% less call options, than puts
Call options by funds: $2K | Put options by funds: $50K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HF
HRT Financial
New York
|
+$528K |
| 2 |
Jane Street
New York
|
+$135K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$132K |
| 4 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$106K |
| 5 |
Renaissance Technologies
New York
|
+$54.4K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FTUS
Flow Traders U.S.
New York
|
-$99.6K |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$85.1K |
| 3 |
GS
GTS Securities
New York
|
-$71.9K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
HF
1
HRT Financial
New York
| $732K | +$528K | +148,430 | +580% |
|
|
2
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
| $250K | +$132K | +37,155 | +168% |
|
|
3
Jane Street
New York
| $160K | +$135K | +37,935 | New |
|
|
XT
4
XTX Topco
George Town,
Cayman Islands
| $125K | +$106K | +29,756 | New |
|
|
5
Renaissance Technologies
New York
| $64.4K | +$54.4K | +15,300 | New |
|
6
Belvedere Trading
Chicago,
Illinois
| $61.9K | +$26.5K | +7,455 | +103% |
|
|
FTUS
7
Flow Traders U.S.
New York
| $46K | -$99.6K | -28,019 | -72% |
|
8
Group One Trading
Chicago,
Illinois
| $19.7K | +$10.6K | +2,981 | +177% |
|
|
9
Citadel Advisors
Miami,
Florida
| – | -$85.1K | -30,136 | Closed |
|
|
GS
10
GTS Securities
New York
| – | -$71.9K | -25,462 | Closed |
|
BTCZ Hedge Fund Activity: Q4 2025 in Review
8 of the 8,228 institutional investors tracked by Wall St. Rank reported a position in T-Rex 2X Inverse Bitcoin Daily Target ETF (BTCZ) for Q4 2025, worth a combined $1.46M — up 242% from $427K a quarter earlier.
Fund positioning in BTCZ was balanced in Q4 2025: 3 funds opened new positions, 3 closed out, 4 added to existing stakes and 1 trimmed.
The largest buyer was HRT Financial, adding an estimated $528K. The largest seller was Flow Traders U.S., cutting an estimated $99.6K.
- 8 institutional investors held T-Rex 2X Inverse Bitcoin Daily Target ETF (BTCZ) as of Q4 2025, unchanged from Q3 2025.
- Funds reported $1.46M of T-Rex 2X Inverse Bitcoin Daily Target ETF stock for Q4 2025, up 242% quarter-over-quarter.
- 3 funds opened new T-Rex 2X Inverse Bitcoin Daily Target ETF positions in Q4 2025 and 3 closed out, a net change of 0 holders.
- The largest T-Rex 2X Inverse Bitcoin Daily Target ETF buyer in Q4 2025 was HRT Financial, an estimated $528K added.
- The largest T-Rex 2X Inverse Bitcoin Daily Target ETF seller in Q4 2025 was Flow Traders U.S., an estimated $99.6K sold.
Based on aggregated 13F filings for Q4 2025.