Calamos S&P 500 STR Alt AprCPSPETF

13F holders, Q1 2026 (March 31)
9holders −4
0new positions
3sold out
$26.41avg. 13F price*

At the end of Q1 2026, 9 institutions reported holding Calamos S&P 500 STR Alt Apr (CPSP) in their 13F filings, down 4 from Q4 2025. 0 opened new positions and 3 sold out. The largest holders were Calamos Advisors LLC ($10.4M), Calamos Wealth Management LLC ($1.3M) and Commonwealth Equity Services, LLC ($443K).

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 Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions0$0
Exits3$698K

All 13F filers, Q4 2025 → Q1 2026: 96,286 shares bought and 27,532 shares sold, net +68,754 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 9 holders

Calamos Advisors LLC 0.05% Add +32.3% 394,148 $10.4M
Calamos Wealth Management LLC 0.05% Reduce -1.4% 50,590 $1.3M
Commonwealth Equity Services, LLC 0.00% No change 16,791 $443K
Jim Saulnier & Associates, LLC 0.16% No change 12,746 $337K
Advisory Services Network, LLC 0.00% No change 10,612 $280K
Centaurus Financial, Inc. 0.01% No change 7,840 $207K
Capital Analysts, LLC 0.00% No change 1,229 $32K
New England Capital Financial Advisors LLC 0.00% Reduce -3.3% 566 $15K
UBS Group AG 0.00% Add +8.3% 547 $14K

"% 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.