Who owns CPSP?
Calamos S&P 500 Structured Alt Protection ETF - April · Calamos
11 institutions reported holding CPSP, worth $13.5M, in Form 13F filings for June 30, 2026.
Top 10 institutional holders of CPSP
| Firm | Location | Value | Shares | Change |
|---|---|---|---|---|
| Calamos Advisors LLC | Naperville, IL | $9.6M | 356,378 | −37,770 shares |
| Calamos Wealth Management LLC | Naperville, IL | $2.0M | 73,600 | +23,010 shares |
| Commonwealth Equity Services, LLC | Waltham, MA | $452K | 16,791 | No change |
| Jim Saulnier & Associates, LLC | Fort Collins, CO | $343K | 12,746 | No change |
| Old Mission Capital LLC | Chicago, IL | $313K | 11,619 | New position |
| Advisory Services Network, LLC | Atlanta, GA | $286K | 10,612 | No change |
| TrustBank | Olney, IL | $284K | 10,552 | New position |
| Centaurus Financial, Inc. | Anaheim, CA | $211K | 7,840 | No change |
| Capital Analysts, LLC | Fort Washington, PA | $33K | 1,229 | No change |
| Fiduciary Financial Advisors | Grand Rapids, MI | $26K | 973 | New position |
From SEC Form 13F, for managers with $100M+ in US securities. Change compares June 30, 2026 with March 31, 2026. “New position” means no holding in the prior filing we have.
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Frequently asked questions
Who owns CPSP?
11 institutional managers reported holding CPSP in Form 13F filings for June 30, 2026, worth $13.5M in total. The largest reported position was held by Calamos Advisors LLC, at $9.6M.
Did institutions buy or sell CPSP last quarter?
Reported 13F value rose 3.5% from March 31, 2026, which includes price moves as well as buying and selling. 3 firms reported a new position and 1 sold all of theirs.
What is a Form 13F?
A quarterly report filed with the SEC by institutional investment managers with $100 million or more in qualifying US securities. It lists their long positions at quarter end. It doesn't cover retail investors, cash, short positions, or managers under the threshold, so it shows part of a fund's ownership, not all of it.
How often is CPSP ownership data updated?
13F filings are due 45 days after each quarter ends. The next set is due around mid-November. Positions can be up to about four and a half months old by the time a new set arrives.