DOSSIER · 13F Holders · Q2 2026
CBOL

CALAMOS ETF TR

4 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 12811T563·4 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$1M
visible holders
Holders
4
filers reporting
Concentration
40.28%
CGN Advisors LLC #1
top holder share
AI Holders Summary · Q2 2026

4 institutions reported CBOL in Q2 2026. CGN Advisors LLC leads at 40.3% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
CGN Advisors LLC
CIK 0001841506
$525K22K0.04%Q2 2026
02
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$334K14K0.00%Q1 2026
03
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$314K13K0.00%Q2 2026
04
Regatta Research & Money Management
CIK 0002137529
$131K6K0.12%Q2 2026