REX Bitcoin Corporate Treasury Convertible Bond ETF
BMAX
BMAX was delisted on the 13th of April, 2026.
3 hedge funds and large institutions have $900K invested in REX Bitcoin Corporate Treasury Convertible Bond ETF in 2026 Q1 according to their latest regulatory filings, with 1 funds opening new positions, 2 increasing their positions, reducing their positions, and 1 closing their positions.
0% more funds holding
Funds holding: 3 → 3 (0)
0% more first-time investments, than exits
New positions opened: 1 | Existing positions closed: 1
5.93% less ownership
Funds ownership: 21.67% → 15.74% (-5.9%)
28% less capital invested
Capital invested by funds: $1.25M → $900K (-$348K)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$132K |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$4.36K |
| 3 |
SS
SBI Securities
Tokyo,
Japan
|
+$1.17K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
EC
Elequin Capital
New York
|
-$476K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Jane Street
New York
| $893K | +$132K | +5,621 | +17% |
|
|
2
UBS Group
Zurich,
Switzerland
| $4.25K | +$4.36K | +186 | New |
|
|
SS
3
SBI Securities
Tokyo,
Japan
| $3.41K | +$1.17K | +50 | +51% |
|
|
EC
4
Elequin Capital
New York
| – | -$476K | -20,670 | Closed |
|
BMAX Hedge Fund Activity: Q1 2026 in Review
3 of the 8,128 institutional investors tracked by Wall St. Rank reported a position in REX Bitcoin Corporate Treasury Convertible Bond ETF (BMAX) for Q1 2026, worth a combined $900K — down 28% from $1.25M a quarter earlier.
Fund positioning in BMAX was balanced in Q1 2026: 1 fund opened new positions, 1 closed out, 2 added to existing stakes and 0 trimmed.
The largest buyer was Jane Street, adding an estimated $132K. The largest seller was Elequin Capital, exiting entirely with an estimated $476K sold.
- 3 institutional investors held REX Bitcoin Corporate Treasury Convertible Bond ETF (BMAX) as of Q1 2026, unchanged from Q4 2025.
- Funds reported $900K of REX Bitcoin Corporate Treasury Convertible Bond ETF stock for Q1 2026, down 28% quarter-over-quarter.
- 1 fund opened new REX Bitcoin Corporate Treasury Convertible Bond ETF positions in Q1 2026 and 1 closed out, a net change of 0 holders.
- The largest REX Bitcoin Corporate Treasury Convertible Bond ETF buyer in Q1 2026 was Jane Street, an estimated $132K added.
- The largest REX Bitcoin Corporate Treasury Convertible Bond ETF seller in Q1 2026 was Elequin Capital, an estimated $476K sold.
Based on aggregated 13F filings for Q1 2026.