Calamos S&P 500 Alt SeptCPSTETF

13F holders, Q3 2024 (September 30)
13holders
$25.07avg. 13F price*

At the end of Q3 2024, 13 institutions reported holding Calamos S&P 500 Alt Sept (CPST) in their 13F filings. The largest holders were Calamos Advisors LLC ($4.4M), Calamos Wealth Management LLC ($3.8M) and Jane Street Group, LLC ($635K).

Company
Calamos S&P 500 Alt Sept
CUSIP
12811T886
Latest filing quarter
Q2 2026

History

Number of 13F holders

05101520 Q3 2024: 13Q3 2024Q4 2024: 16Q4 2024Q1 2025: 13Q1 2025Q2 2025: 14Q2 2025Q3 2025: 17Q3 2025Q4 2025: 19Q4 2025Q1 2026: 19Q1 2026Q2 2026: 18Q2 2026

Total Exit/New Position Q3 2024

InstitutionsTotal Value
New Positions14$11.5M
Exits0$0

Ownership 13 holders

Calamos Advisors LLC 0.03% New 176,568 $4.4M
Calamos Wealth Management LLC 0.20% New 152,807 $3.8M
Jane Street Group, LLC 0.00% New 25,327 $635K
Commonwealth Equity Services, LLC 0.00% New 20,560 $515K
Flagstar Securities, Inc. 0.13% New 20,000 $501K
Capital Analysts, LLC 0.01% New 14,625 $367K
Wealth Enhancement Advisory Services, LLC 0.00% New 12,511 $314K
Susquehanna International Group, LLP 0.00% New 11,160 $280K
Mgo One Seven LLC 0.01% New 9,000 $226K
Old Mission Capital LLC 0.00% New 8,552 $214K
Burkett Financial Services, LLC 0.06% New 5,635 $141K
Osaic Holdings, Inc. 0.00% New 1,500 $38K
WFA of San Diego, LLC 0.00% New 100 $3K

"% of holder's portfolio" is CPST's weight in each manager's 13F, not the share of Calamos S&P 500 Alt Sept the manager owns.