Calamos ETF Trust - CBOY

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 Added to 50,111 1,227 0.0% 0.0% 1 +6,348 14.51% Q2 2026 Aug 14, 2026
Calamos Advisors LLC History Reduced 23,874 584 0.0% 0.0% 2 -586 -2.4% Q2 2026 Jul 31, 2026
ATX Financial Planning, LLC History Reduced 17,336 424 0.28% 0.36% 3 -2,097 -10.79% Q2 2026 Aug 20, 2026
JANE STREET GROUP, LLC History Reduced 16,493 403 0.0% 0.0% 4 -5,094 -23.6% Q2 2026 Aug 14, 2026
Markin Asset Management, LP History No change 14,651 358 0.31% 0.39% 5 0 0.0% Q2 2026 Jul 13, 2026
Cambridge Investment Research Advisors, Inc. History Reduced 12,723 312 0.0% 0.0% 6 -792 -5.86% Q2 2026 Jul 27, 2026
Advus Financial Partners, LLC History New 9,155 224 0.06% — 7 +9,155 New Q2 2026 Oct 02, 2026
HARBOUR INVESTMENTS, INC. History No change 6,644 162 0.0% 0.0% 8 0 0.0% Q2 2026 Aug 12, 2026
Ankerstar Wealth, LLC History Reduced 249 6 0.01% 0.03% 9 -765 -75.44% Q2 2026 Aug 13, 2026
UBS Group AG History Closed out 0 0 — — — -7 -100.0% Q2 2026 Aug 13, 2026