Calamos Bitcoin 80 Series Structured Alt Protection ETF - October
CBTO
10 hedge funds and large institutions have $14.4M invested in Calamos Bitcoin 80 Series Structured Alt Protection ETF - October in 2025 Q4 according to their latest regulatory filings, with 10 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.
44.45% more ownership
Funds ownership: 0% → 44.45% (+44%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VWM
VanWeelden Wealth Management
West Chester Township,
Ohio
|
+$6.04M |
| 2 |
Envestnet Asset Management
Chicago,
Illinois
|
+$5.84M |
| 3 |
OMC
Old Mission Capital
Chicago,
Illinois
|
+$901K |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$880K |
| 5 |
Calamos Advisors
Naperville,
Illinois
|
+$435K |
Top Sellers
CBTO Hedge Fund Activity: Q4 2025 in Review
10 of the 8,282 institutional investors tracked by Wall St. Rank reported a position in Calamos Bitcoin 80 Series Structured Alt Protection ETF - October (CBTO) for Q4 2025, worth a combined $14.4M.
Buyers outnumbered sellers: 10 funds opened new CBTO positions and 0 closed out — a net gain of 10 holders — while 0 added to existing stakes and 0 trimmed.
The largest buyer was VanWeelden Wealth Management, opening a new position worth an estimated $6.04M.
- 10 institutional investors held Calamos Bitcoin 80 Series Structured Alt Protection ETF - October (CBTO) as of Q4 2025, up from 0 in Q3 2025.
- Funds reported $14.4M of Calamos Bitcoin 80 Series Structured Alt Protection ETF - October stock for Q4 2025.
- 10 funds opened new Calamos Bitcoin 80 Series Structured Alt Protection ETF - October positions in Q4 2025 and 0 closed out, a net change of +10 holders.
- The largest Calamos Bitcoin 80 Series Structured Alt Protection ETF - October buyer in Q4 2025 was VanWeelden Wealth Management, an estimated $6.04M added.
Based on aggregated 13F filings for Q4 2025.