Calamos Bitcoin 80 STR-OctCBTOETF
13F holders, Q2 2026 (June 30)12holders
2new positions
4sold out
$19.70avg. 13F price*
At the end of Q2 2026, 12 institutions reported holding Calamos Bitcoin 80 STR-Oct (CBTO) in their 13F filings, unchanged from Q1 2026. 2 opened new positions and 4 sold out. The largest holders were Susquehanna International Group, LLP ($1.5M), Calamos Advisors LLC ($1.3M) and Jane Street Group, LLC ($1.0M).
- Company
- Calamos Bitcoin 80 STR-Oct
- CUSIP
- 12811T589
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $1.0M |
| Exits | 4 | $6.5M |
All 13F filers, Q1 2026 → Q2 2026: 106,956 shares bought and 377,345 shares sold, net −270,389 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 12 holders
| Susquehanna International Group, LLP | 0.00% | Add +95.7% | 77,183 | $1.5M |
| Calamos Advisors LLC | 0.01% | Add +34.7% | 66,870 | $1.3M |
| Jane Street Group, LLC | 0.00% | New | 50,854 | $1.0M |
| Orion Porfolio Solutions, LLC | 0.00% | Reduce -68.4% | 17,535 | $345K |
| Calamos Wealth Management LLC | 0.01% | Reduce -6.6% | 10,682 | $210K |
| Ankerstar Wealth, LLC | 0.14% | Reduce -63.9% | 8,596 | $169K |
| Harbour Investments, Inc. | 0.00% | No change | 4,287 | $84K |
| IFP Advisors, Inc | 0.00% | Reduce -24.0% | 4,250 | $84K |
| Noble Wealth Management PBC | 0.03% | No change | 3,800 | $75K |
| UBS Group AG | 0.00% | New | 1,125 | $22K |
| Vima LLC | 0.02% | — | 832 | $16K |
| Aptus Capital Advisors, LLC | 0.00% | No change | 160 | $3K |
"% of holder's portfolio" is CBTO's weight in each manager's 13F, not the share of Calamos Bitcoin 80 STR-Oct the manager owns.