Calamos Bitcoin 90 STR-OctCBXOETF

13F holders, Q1 2026 (March 31)
7holders
2new positions
2sold out
$22.12avg. 13F price*

At the end of Q1 2026, 7 institutions reported holding Calamos Bitcoin 90 STR-Oct (CBXO) in their 13F filings, unchanged from Q4 2025. 2 opened new positions and 2 sold out. The largest holders were Susquehanna International Group, LLP ($1.3M), Old Mission Capital LLC ($690K) and Jane Street Group, LLC ($522K).

Company
Calamos Bitcoin 90 STR-Oct
CUSIP
12811T597
Latest filing quarter
Q2 2026

History

Number of 13F holders

02468 Q2 2025: 1Q2 2025Q4 2025: 7Q4 2025Q1 2026: 7Q1 2026Q2 2026: 8Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions2$710K
Exits2$575K

All 13F filers, Q4 2025 → Q1 2026: 60,208 shares bought and 66,847 shares sold, net −6,639 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 7 holders

Susquehanna International Group, LLP 0.00% Add +90.9% 59,012 $1.3M
Old Mission Capital LLC 0.02% New 31,203 $690K
Jane Street Group, LLC 0.00% Reduce -60.1% 23,619 $522K
Calamos Advisors LLC 0.00% No change 18,969 $420K
Ankerstar Wealth, LLC 0.33% Reduce -30.1% 14,224 $315K
Farther Finance Advisors, LLC 0.00% New 900 $20K
Harbour Investments, Inc. 0.00% No change 609 $13K

"% of holder's portfolio" is CBXO's weight in each manager's 13F, not the share of Calamos Bitcoin 90 STR-Oct the manager owns.