CBOO CALAMOS ETF TR: institutional ownership and insider trading

7 funds reported holding $2.78M of CALAMOS ETF TR in their latest 13F filings; in Q2 2026 funds net bought $945K, with 1 new positions and 0 funds selling out.

Largest institutional holders of CBOO

  1. SUSQUEHANNA INTERNATIONAL GROUP, LLP — $803K
  2. JANE STREET GROUP, LLC — $658K
  3. Calamos Advisors LLC — $585K
  4. Rooted Wealth Advisors, Inc. — $328K
  5. HARBOUR INVESTMENTS, INC. — $163K
  6. Ankerstar Wealth, LLC — $152K
  7. UBS Group AG (UBS) — $94.9K

All CBOO 13F holders