DOSSIER · 13F Holders · Q2 2026
CBXO

CALAMOS ETF TR

7 institutions still hold CALAMOS ETF TR as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 12811T597·7 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$5M
visible holders
Holders
7
filers reporting
Concentration
62.56%
SUSQUEHANNA INTERNATIONAL GROUP, LLP #1
top holder share
AI Holders Summary · Q2 2026

7 institutions reported CBXO in Q2 2026. SUSQUEHANNA INTERNATIONAL GROUP, LLP leads at 62.6% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$3M140K0.00%Q2 2026
02
OLD MISSION CAPITAL LLC
CIK 0001455915
$609K28K0.01%Q2 2026
03
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$522K24K0.00%Q1 2026
04
Calamos Advisors LLC
CIK 0001316507
$372K17K0.00%Q2 2026
05
Ankerstar Wealth, LLC
CIK 0002053917
$174K8K0.15%Q2 2026
06
VIMA LLC
CIK 0002012155
$166K7K0.17%Q3 2026
07
Capital Investment Advisory Services, LLC
CIK 0001659203
$7K3020.00%Q2 2026