Calamos Bitcoin Structured Alt Protection ETF - April
CBOA
8 hedge funds and large institutions have $3.63M invested in Calamos Bitcoin Structured Alt Protection ETF - April in 2025 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 1 closing their positions.
200% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 1
33% more funds holding
Funds holding: 6 → 8 (+2)
5.51% more ownership
Funds ownership: 64.9% → 70.4% (+5.5%)
5% more capital invested
Capital invested by funds: $3.46M → $3.63M (+$162K)
0% more repeat investments, than reductions
Existing positions increased: 2 | Existing positions reduced: 2
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
+$461K |
| 2 |
HighTower Advisors
Chicago,
Illinois
|
+$206K |
| 3 |
OMC
Old Mission Capital
Chicago,
Illinois
|
+$173K |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$17K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$454K |
| 2 |
LWMI
Legacy Wealth Management (Idaho)
Boise,
Idaho
|
-$93.4K |
| 3 |
HI
Harbour Investments
Madison,
Wisconsin
|
-$26.5K |
CBOA Hedge Fund Activity: Q4 2025 in Review
8 of the 8,282 institutional investors tracked by Wall St. Rank reported a position in Calamos Bitcoin Structured Alt Protection ETF - April (CBOA) for Q4 2025, worth a combined $3.63M — up 4.7% from $3.46M a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new CBOA positions and 1 closed out — a net gain of 2 holders — while 2 added to existing stakes and 2 trimmed.
The largest buyer was Calamos Advisors, opening a new position worth an estimated $461K. The largest seller was Jane Street, cutting an estimated $454K.
- 8 institutional investors held Calamos Bitcoin Structured Alt Protection ETF - April (CBOA) as of Q4 2025, up from 6 in Q3 2025.
- Funds reported $3.63M of Calamos Bitcoin Structured Alt Protection ETF - April stock for Q4 2025, up 4.7% quarter-over-quarter.
- 3 funds opened new Calamos Bitcoin Structured Alt Protection ETF - April positions in Q4 2025 and 1 closed out, a net change of +2 holders.
- The largest Calamos Bitcoin Structured Alt Protection ETF - April buyer in Q4 2025 was Calamos Advisors, an estimated $461K added.
- The largest Calamos Bitcoin Structured Alt Protection ETF - April seller in Q4 2025 was Jane Street, an estimated $454K sold.
Based on aggregated 13F filings for Q4 2025.