Calamos Bitcoin 80 Series Structured Alt Protection ETF - October
CBTO
12 hedge funds and large institutions have $10.3M invested in Calamos Bitcoin 80 Series Structured Alt Protection ETF - October in 2026 Q1 according to their latest regulatory filings, with 5 funds opening new positions, 3 increasing their positions, 3 reducing their positions, and 3 closing their positions.
67% more first-time investments, than exits
New positions opened: 5 | Existing positions closed: 3
20% more funds holding
Funds holding: 10 → 12 (+2)
0% more repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 3
12.22% less ownership
Funds ownership: 44.45% → 32.23% (-12%)
28% less capital invested
Capital invested by funds: $14.4M → $10.3M (-$4.05M)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OA
Oasis Advisors
Forest City,
Iowa
|
+$6.62M |
| 2 |
BCI
Brinker Capital Investments
Berwyn,
Pennsylvania
|
+$1.15M |
| 3 |
Calamos Advisors
Naperville,
Illinois
|
+$633K |
| 4 |
NWMP
Noble Wealth Management PBC
Greenwood Village,
Colorado
|
+$78.8K |
| 5 |
HI
Harbour Investments
Madison,
Wisconsin
|
+$72.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VWM
VanWeelden Wealth Management
West Chester Township,
Ohio
|
-$5.7M |
| 2 |
Envestnet Asset Management
Chicago,
Illinois
|
-$5.51M |
| 3 |
OMC
Old Mission Capital
Chicago,
Illinois
|
-$851K |
| 4 |
IA
IFP Advisors
Tampa,
Florida
|
-$88.1K |
| 5 |
AW
Ankerstar Wealth
Leander,
Texas
|
-$36.5K |
CBTO Hedge Fund Activity: Q1 2026 in Review
12 of the 8,130 institutional investors tracked by Wall St. Rank reported a position in Calamos Bitcoin 80 Series Structured Alt Protection ETF - October (CBTO) for Q1 2026, worth a combined $10.3M — down 28% from $14.4M a quarter earlier.
Buyers outnumbered sellers: 5 funds opened new CBTO positions and 3 closed out — a net gain of 2 holders — while 3 added to existing stakes and 3 trimmed.
The largest buyer was Oasis Advisors, opening a new position worth an estimated $6.62M. The largest seller was VanWeelden Wealth Management, exiting entirely with an estimated $5.7M sold.
- 12 institutional investors held Calamos Bitcoin 80 Series Structured Alt Protection ETF - October (CBTO) as of Q1 2026, up from 10 in Q4 2025.
- Funds reported $10.3M of Calamos Bitcoin 80 Series Structured Alt Protection ETF - October stock for Q1 2026, down 28% quarter-over-quarter.
- 5 funds opened new Calamos Bitcoin 80 Series Structured Alt Protection ETF - October positions in Q1 2026 and 3 closed out, a net change of +2 holders.
- The largest Calamos Bitcoin 80 Series Structured Alt Protection ETF - October buyer in Q1 2026 was Oasis Advisors, an estimated $6.62M added.
- The largest Calamos Bitcoin 80 Series Structured Alt Protection ETF - October seller in Q1 2026 was VanWeelden Wealth Management, an estimated $5.7M sold.
Based on aggregated 13F filings for Q1 2026.