13F Insight
DOSSIER · 13F Holders · Q2 2026
CPSY

Calamos S&P 500 Structured Alt

22 institutions still hold Calamos S&P 500 Structured Alt as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 12811T787·22 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$16M
visible holders
Holders
22
filers reporting
Concentration
60.18%
Calamos Advisors LLC #1
top holder share
AI Holders Summary · Q2 2026

22 institutions reported CPSY in Q2 2026. Calamos Advisors LLC leads at 60.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Calamos Advisors LLC
CIK 0001316507
$10M373K0.03%Q2 202602
Cetera Investment Advisers
CIK 0001666741
$978K38K0.00%Q2 202603
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$689K27K0.00%Q2 202604
JIM SAULNIER & ASSOCIATES, LLC
CIK 0002044420
$663K26K0.27%Q2 202605
Mariner, LLC
CIK 0001373442
$657K26K0.00%Q2 202606
Sterling Financial Planning, Inc.
CIK 0001844278
$642K25K0.17%Q2 202607
WEDBUSH SECURITIES INC
CIK 0001142495
$532K21K0.02%Q1 202608
OLD MISSION CAPITAL LLC
CIK 0001455915
$306K12K0.00%Q2 202609
TrustBank
CIK 0002107256
$294K11K0.10%Q2 202610
Calamos Wealth Management LLC
CIK 0001455258
$286K11K0.01%Q2 202611
NAPATREE CAPITAL LLC
CIK 0002015964
$262K11K0.15%Q1 202512
HARBOUR INVESTMENTS, INC.
CIK 0000810121
$240K9K0.00%Q2 202613
Cambridge Investment Research Advisors, Inc.
CIK 0001419186
$239K10K0.00%Q1 202614
Waverly Advisors, LLC
CIK 0001568787
$219K9K0.00%Q2 202615
OSAIC HOLDINGS, INC.
CIK 0001677044
$154K6K0.00%Q2 202616
Capital Analysts, LLC
CIK 0001624758
$81K3K0.00%Q1 202617
UBS Group AG
CIK 0001610520
$51K2K0.00%Q2 202618
Motiv8 Investments LLC
CIK 0002024873
$37K1K0.02%Q4 202519
Essential Investment Partners LLC
CIK 0002145170
$13K5000.01%Q2 202620
TUCKER ASSET MANAGEMENT LLC
CIK 0001870012
$4K1470.00%Q2 2026
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