Calamos Bitcoin STR A/P-OctCBOOETF
13F holders, Q4 2025 (December 31)9holders +8
7new positions
0sold out
$24.46avg. 13F price*
At the end of Q4 2025, 9 institutions reported holding Calamos Bitcoin STR A/P-Oct (CBOO) in their 13F filings, up 8 from Q2 2025. 7 opened new positions and 0 sold out. The largest holders were Susquehanna International Group, LLP ($1.2M), Jane Street Group, LLC ($755K) and Old Mission Capital LLC ($726K).
- Company
- Calamos Bitcoin STR A/P-Oct
- CUSIP
- 12811T613
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $3.6M |
| Exits | 0 | $0 |
All 13F filers, Q2 2025 → Q4 2025: 147,877 shares bought, net +147,877 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 9 holders
| Susquehanna International Group, LLP | 0.00% | New | 47,472 | $1.2M |
| Jane Street Group, LLC | 0.00% | New | 30,872 | $755K |
| Old Mission Capital LLC | 0.03% | New | 29,684 | $726K |
| Calamos Advisors LLC | 0.00% | New | 18,748 | $459K |
| Rooted Wealth Advisors, Inc. | 0.09% | New | 13,389 | $326K |
| ATX Financial Planning, LLC | 0.17% | — | 8,766 | $214K |
| Harbour Investments, Inc. | 0.00% | New | 7,268 | $178K |
| Ankerstar Wealth, LLC | 0.15% | — | 6,108 | $149K |
| Burkett Financial Services, LLC | 0.00% | New | 444 | $11K |
"% of holder's portfolio" is CBOO's weight in each manager's 13F, not the share of Calamos Bitcoin STR A/P-Oct the manager owns.