Calamos S&P 500 STR Alt AprCPSPETF

13F holders, Q2 2026 (June 30)
11holders +2
3new positions
1sold out
$26.91avg. 13F price*

At the end of Q2 2026, 11 institutions reported holding Calamos S&P 500 STR Alt Apr (CPSP) in their 13F filings, up 2 from Q1 2026. 3 opened new positions and 1 sold out. The largest holders were Calamos Advisors LLC ($9.6M), Calamos Wealth Management LLC ($2.0M) and Commonwealth Equity Services, LLC ($452K).

Company
Calamos S&P 500 STR Alt Apr
CUSIP
12811T753
Latest filing quarter
Q2 2026

History

Number of 13F holders

051015 Q2 2025: 9Q2 2025Q3 2025: 11Q3 2025Q4 2025: 13Q4 2025Q1 2026: 9Q1 2026Q2 2026: 11Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions3$623K
Exits1$14K

All 13F filers, Q1 2026 → Q2 2026: 46,154 shares bought and 38,317 shares sold, net +7,837 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 11 holders

Calamos Advisors LLC 0.05% Reduce -9.6% 356,378 $9.6M
Calamos Wealth Management LLC 0.06% Add +45.5% 73,600 $2.0M
Commonwealth Equity Services, LLC 0.00% No change 16,791 $452K
Jim Saulnier & Associates, LLC 0.14% No change 12,746 $343K
Old Mission Capital LLC 0.01% New 11,619 $313K
Advisory Services Network, LLC 0.00% No change 10,612 $286K
TrustBank 0.10% New 10,552 $284K
Centaurus Financial, Inc. 0.01% No change 7,840 $211K
Capital Analysts, LLC 0.00% No change 1,229 $33K
Fiduciary Financial Advisors 0.00% New 973 $26K
New England Capital Financial Advisors LLC 0.00% No change 566 $15K

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