Calamos Bitcoin 80 Series Structured Alt Protection ETF - October
CBTO
12 hedge funds and large institutions have $4.85M invested in Calamos Bitcoin 80 Series Structured Alt Protection ETF - October in 2026 Q2 according to their latest regulatory filings, with 3 funds opening new positions, 2 increasing their positions, 4 reducing their positions, and 3 closing their positions.
0% more funds holding
Funds holding: 12 → 12 (0)
0% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 3
14.65% less ownership
Funds ownership: 32.23% → 17.58% (-15%)
50% less repeat investments, than reductions
Existing positions increased: 2 | Existing positions reduced: 4
53% less capital invested
Capital invested by funds: $10.3M → $4.85M (-$5.49M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$1.02M |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$755K |
| 3 |
Calamos Advisors
Naperville,
Illinois
|
+$345K |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$22.5K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OA
Oasis Advisors
Forest City,
Iowa
|
-$6.4M |
| 2 |
BCI
Brinker Capital Investments
Berwyn,
Pennsylvania
|
-$761K |
| 3 |
AW
Ankerstar Wealth
Leander,
Texas
|
-$305K |
| 4 |
SIS
Sound Income Strategies
Ft Lauderdale,
Florida
|
-$48.6K |
| 5 |
IA
IFP Advisors
Tampa,
Florida
|
-$26.9K |
CBTO Hedge Fund Activity: Q2 2026 in Review
12 of the 8,330 institutional investors tracked by Wall St. Rank reported a position in Calamos Bitcoin 80 Series Structured Alt Protection ETF - October (CBTO) for Q2 2026, worth a combined $4.85M — down 53% from $10.3M a quarter earlier.
Fund positioning in CBTO was balanced in Q2 2026: 3 funds opened new positions, 3 closed out, 2 added to existing stakes and 4 trimmed.
The largest buyer was Jane Street, opening a new position worth an estimated $1.02M. The largest seller was Oasis Advisors, exiting entirely with an estimated $6.4M sold.
- 12 institutional investors held Calamos Bitcoin 80 Series Structured Alt Protection ETF - October (CBTO) as of Q2 2026, unchanged from Q1 2026.
- Funds reported $4.85M of Calamos Bitcoin 80 Series Structured Alt Protection ETF - October stock for Q2 2026, down 53% quarter-over-quarter.
- 3 funds opened new Calamos Bitcoin 80 Series Structured Alt Protection ETF - October positions in Q2 2026 and 3 closed out, a net change of 0 holders.
- The largest Calamos Bitcoin 80 Series Structured Alt Protection ETF - October buyer in Q2 2026 was Jane Street, an estimated $1.02M added.
- The largest Calamos Bitcoin 80 Series Structured Alt Protection ETF - October seller in Q2 2026 was Oasis Advisors, an estimated $6.4M sold.
Based on aggregated 13F filings for Q2 2026.