Calamos Bitcoin 80 Series Structured Alt Protection ETF - April
CBTA
6 hedge funds and large institutions have $1.84M invested in Calamos Bitcoin 80 Series Structured Alt Protection ETF - April in 2026 Q1 according to their latest regulatory filings, with 1 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and 1 closing their positions.
116% more capital invested
Capital invested by funds: $851K → $1.84M (+$984K)
12.24% more ownership
Funds ownership: 30.71% → 42.95% (+12%)
0% more funds holding
Funds holding: 6 → 6 (0)
0% more first-time investments, than exits
New positions opened: 1 | Existing positions closed: 1
0% more repeat investments, than reductions
Existing positions increased: 2 | Existing positions reduced: 2
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$752K |
| 2 |
Calamos Advisors
Naperville,
Illinois
|
+$350K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$277K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HI
Harbour Investments
Madison,
Wisconsin
|
-$29.7K |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$2.18K |
| 3 |
AW
Ankerstar Wealth
Leander,
Texas
|
-$1.86K |
CBTA Hedge Fund Activity: Q1 2026 in Review
6 of the 8,130 institutional investors tracked by Wall St. Rank reported a position in Calamos Bitcoin 80 Series Structured Alt Protection ETF - April (CBTA) for Q1 2026, worth a combined $1.84M — up 116% from $851K a quarter earlier.
Fund positioning in CBTA was balanced in Q1 2026: 1 fund opened new positions, 1 closed out, 2 added to existing stakes and 2 trimmed.
The largest buyer was Jane Street, adding an estimated $752K. The largest seller was Harbour Investments, exiting entirely with an estimated $29.7K sold.
- 6 institutional investors held Calamos Bitcoin 80 Series Structured Alt Protection ETF - April (CBTA) as of Q1 2026, unchanged from Q4 2025.
- Funds reported $1.84M of Calamos Bitcoin 80 Series Structured Alt Protection ETF - April stock for Q1 2026, up 116% quarter-over-quarter.
- 1 fund opened new Calamos Bitcoin 80 Series Structured Alt Protection ETF - April positions in Q1 2026 and 1 closed out, a net change of 0 holders.
- The largest Calamos Bitcoin 80 Series Structured Alt Protection ETF - April buyer in Q1 2026 was Jane Street, an estimated $752K added.
- The largest Calamos Bitcoin 80 Series Structured Alt Protection ETF - April seller in Q1 2026 was Harbour Investments, an estimated $29.7K sold.
Based on aggregated 13F filings for Q1 2026.