Calamos ETF Trust - CBOO

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q2 2026 · Compare: Q1 2026
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
SUSQUEHANNA INTERNATIONAL GROUP, LLP History New 32,770 802 0.0% — 1 +32,770 New Q2 2026 Aug 14, 2026
JANE STREET GROUP, LLC History Added to 26,873 658 0.0% 0.0% 2 +6,073 29.2% Q2 2026 Aug 14, 2026
Calamos Advisors LLC History Reduced 23,874 584 0.0% 0.0% 3 -1,123 -4.49% Q2 2026 Jul 31, 2026
Rooted Wealth Advisors, Inc. History No change 13,389 327 0.08% 0.09% 4 0 0.0% Q2 2026 Jul 28, 2026
HARBOUR INVESTMENTS, INC. History No change 6,644 162 0.0% 0.0% 5 0 0.0% Q2 2026 Aug 12, 2026
Ankerstar Wealth, LLC History Reduced 6,195 151 0.13% 0.17% 6 -473 -7.09% Q2 2026 Aug 13, 2026
UBS Group AG History Added to 3,873 94 0.0% 0.0% 7 +1,334 52.54% Q2 2026 Aug 13, 2026
BURKETT FINANCIAL SERVICES, LLC History Added to 968 23 0.01% 0.01% 8 +24 2.54% Q2 2026 Jul 02, 2026