Calamos Bitcoin 80 Series Structured Alt Protection ETF - April
CBTA
6 hedge funds and large institutions have $851K invested in Calamos Bitcoin 80 Series Structured Alt Protection ETF - April in 2025 Q4 according to their latest regulatory filings, with 2 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 0 closing their positions.
50% more funds holding
Funds holding: 4 → 6 (+2)
5.11% more ownership
Funds ownership: 25.59% → 30.71% (+5.1%)
2% more capital invested
Capital invested by funds: $831K → $851K (+$19.9K)
0% more repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 1
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
+$431K |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$16.6K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$305K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Calamos Advisors
Naperville,
Illinois
| $397K | +$431K | +14,329 | New |
|
|
2
Jane Street
New York
| $392K | -$305K | -10,150 | -42% |
|
|
HI
3
Harbour Investments
Madison,
Wisconsin
| $29.7K | – | – | – |
|
|
4
UBS Group
Zurich,
Switzerland
| $16.4K | +$16.6K | +552 | +1,346% |
|
|
AW
5
Ankerstar Wealth
Leander,
Texas
| $10.5K | +$11.4K | +380 | New |
|
|
ACM
6
Anfield Capital Management
Irvine,
California
| $5.38K | – | – | – |
|
CBTA Hedge Fund Activity: Q4 2025 in Review
6 of the 8,232 institutional investors tracked by Wall St. Rank reported a position in Calamos Bitcoin 80 Series Structured Alt Protection ETF - April (CBTA) for Q4 2025, worth a combined $851K — up 2.4% from $831K a quarter earlier.
Buyers outnumbered sellers: 2 funds opened new CBTA positions and 0 closed out — a net gain of 2 holders — while 1 added to existing stakes and 1 trimmed.
The largest buyer was Calamos Advisors, opening a new position worth an estimated $431K. The largest seller was Jane Street, cutting an estimated $305K.
- 6 institutional investors held Calamos Bitcoin 80 Series Structured Alt Protection ETF - April (CBTA) as of Q4 2025, up from 4 in Q3 2025.
- Funds reported $851K of Calamos Bitcoin 80 Series Structured Alt Protection ETF - April stock for Q4 2025, up 2.4% quarter-over-quarter.
- 2 funds opened new Calamos Bitcoin 80 Series Structured Alt Protection ETF - April positions in Q4 2025 and 0 closed out, a net change of +2 holders.
- The largest Calamos Bitcoin 80 Series Structured Alt Protection ETF - April buyer in Q4 2025 was Calamos Advisors, an estimated $431K added.
- The largest Calamos Bitcoin 80 Series Structured Alt Protection ETF - April seller in Q4 2025 was Jane Street, an estimated $305K sold.
Based on aggregated 13F filings for Q4 2025.