Calamos Bitcoin 90 Series Structured Alt Protection ETF - April
CBXA
6 hedge funds and large institutions have $3.61M invested in Calamos Bitcoin 90 Series Structured Alt Protection ETF - April in 2025 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 2 increasing their positions, 1 reducing their positions, and 2 closing their positions.
100% more repeat investments, than reductions
Existing positions increased: 2 | Existing positions reduced: 1
50% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 2
20% more funds holding
Funds holding: 5 → 6 (+1)
3.91% more ownership
Funds ownership: 63.13% → 67.03% (+3.9%)
4% less capital invested
Capital invested by funds: $3.75M → $3.61M (-$140K)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TAM
Titleist Asset Management
San Antonio,
Texas
|
+$785K |
| 2 |
Calamos Advisors
Naperville,
Illinois
|
+$447K |
| 3 |
Jane Street
New York
|
+$106K |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$8.34K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PFS
Prospera Financial Services
Dallas,
Texas
|
-$811K |
| 2 |
OMC
Old Mission Capital
Chicago,
Illinois
|
-$399K |
| 3 |
HI
Harbour Investments
Madison,
Wisconsin
|
-$16.2K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Jane Street
New York
| $2.09M | +$106K | +3,723 | +5% |
|
|
TAM
2
Titleist Asset Management
San Antonio,
Texas
| $745K | +$785K | +27,680 | New |
|
|
3
Calamos Advisors
Naperville,
Illinois
| $424K | +$447K | +15,760 | New |
|
|
OMC
4
Old Mission Capital
Chicago,
Illinois
| $284K | -$399K | -14,065 | -57% |
|
|
AW
5
Ankerstar Wealth
Leander,
Texas
| $61.2K | +$64.5K | +2,273 | New |
|
|
6
UBS Group
Zurich,
Switzerland
| $8.59K | +$8.34K | +294 | +1,176% |
|
|
PFS
7
Prospera Financial Services
Dallas,
Texas
| – | -$811K | -27,310 | Closed |
|
|
HI
8
Harbour Investments
Madison,
Wisconsin
| – | -$16.2K | -544 | Closed |
|
CBXA Hedge Fund Activity: Q4 2025 in Review
6 of the 8,256 institutional investors tracked by Wall St. Rank reported a position in Calamos Bitcoin 90 Series Structured Alt Protection ETF - April (CBXA) for Q4 2025, worth a combined $3.61M — down 3.7% from $3.75M a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new CBXA positions and 2 closed out — a net gain of 1 holder — while 2 added to existing stakes and 1 trimmed.
The largest buyer was Titleist Asset Management, opening a new position worth an estimated $785K. The largest seller was Prospera Financial Services, exiting entirely with an estimated $811K sold.
- 6 institutional investors held Calamos Bitcoin 90 Series Structured Alt Protection ETF - April (CBXA) as of Q4 2025, up from 5 in Q3 2025.
- Funds reported $3.61M of Calamos Bitcoin 90 Series Structured Alt Protection ETF - April stock for Q4 2025, down 3.7% quarter-over-quarter.
- 3 funds opened new Calamos Bitcoin 90 Series Structured Alt Protection ETF - April positions in Q4 2025 and 2 closed out, a net change of +1 holder.
- The largest Calamos Bitcoin 90 Series Structured Alt Protection ETF - April buyer in Q4 2025 was Titleist Asset Management, an estimated $785K added.
- The largest Calamos Bitcoin 90 Series Structured Alt Protection ETF - April seller in Q4 2025 was Prospera Financial Services, an estimated $811K sold.
Based on aggregated 13F filings for Q4 2025.