Calamos S&P 500 Structured Alt Protection ETF - December
CPSD
33 hedge funds and large institutions have $27.3M invested in Calamos S&P 500 Structured Alt Protection ETF - December in 2026 Q2 according to their latest regulatory filings, with 3 funds opening new positions, 3 increasing their positions, 14 reducing their positions, and 2 closing their positions.
50% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 2
3% more funds holding
Funds holding: 32 → 33 (+1)
6.74% less ownership
Funds ownership: 66.89% → 60.16% (-6.7%)
79% less repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 14
80% less capital inflows, than outflows
Capital inflows: $749K | Capital outflows: $3.76M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$387K |
| 2 |
Osaic Holdings
Scottsdale,
Arizona
|
+$291K |
| 3 |
LPL Financial
San Diego,
California
|
+$38K |
| 4 |
APFP
Action Point Financial Planning
Grand Rapids,
Michigan
|
+$16.6K |
| 5 |
Morgan Stanley
New York
|
+$13.2K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Calamos Advisors
Naperville,
Illinois
|
-$2.02M |
| 2 |
LeClair Wealth Partners
Dublin,
Ohio
|
-$647K |
| 3 |
Cetera Investment Advisers
Schaumburg,
Illinois
|
-$450K |
| 4 |
Old Mission Capital
Chicago,
Illinois
|
-$199K |
| 5 |
Calamos Wealth Management
Naperville,
Illinois
|
-$100K |
CPSD Hedge Fund Activity: Q2 2026 in Review
33 of the 8,365 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) for Q2 2026, worth a combined $27.3M — down 7.4% from $29.5M a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new CPSD positions and 2 closed out — a net gain of 1 holder — while 3 added to existing stakes and 14 trimmed.
The largest buyer was Susquehanna International Group, opening a new position worth an estimated $387K. The largest seller was Calamos Advisors, cutting an estimated $2.02M.
- 33 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) as of Q2 2026, up from 32 in Q1 2026.
- Funds reported $27.3M of Calamos S&P 500 Structured Alt Protection ETF - December stock for Q2 2026, down 7.4% quarter-over-quarter.
- 3 funds opened new Calamos S&P 500 Structured Alt Protection ETF - December positions in Q2 2026 and 2 closed out, a net change of +1 holder.
- The largest Calamos S&P 500 Structured Alt Protection ETF - December buyer in Q2 2026 was Susquehanna International Group, an estimated $387K added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - December seller in Q2 2026 was Calamos Advisors, an estimated $2.02M sold.
Based on aggregated 13F filings for Q2 2026.