Calamos Laddered S&P 500 Structured Alt Protection ETF
CPSL
29 hedge funds and large institutions have $55.6M invested in Calamos Laddered S&P 500 Structured Alt Protection ETF in 2026 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 11 increasing their positions, 7 reducing their positions, and 6 closing their positions.
57% more repeat investments, than reductions
Existing positions increased: 11 | Existing positions reduced: 7
20% more capital invested
Capital invested by funds: $46.4M → $55.6M (+$9.15M)
0.82% more ownership
Funds ownership: 50.2% → 51.02% (+0.82%)
0% more funds holding
Funds holding: 29 → 29 (0)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
0% more first-time investments, than exits
New positions opened: 6 | Existing positions closed: 6
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HI
Harbour Investments
Madison,
Wisconsin
|
+$3.77M |
| 2 |
PCIA
Prime Capital Investment Advisors
Overland Park,
Kansas
|
+$3.2M |
| 3 |
Calamos Advisors
Naperville,
Illinois
|
+$807K |
| 4 |
HighTower Advisors
Chicago,
Illinois
|
+$703K |
| 5 |
Osaic Holdings
Scottsdale,
Arizona
|
+$574K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GSIAS
Garden State Investment Advisory Services
Red Bank,
New Jersey
|
-$663K |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$416K |
| 3 |
MML Investors Services
Springfield,
Massachusetts
|
-$383K |
| 4 |
CWG
Crown Wealth Group
Charlotte,
North Carolina
|
-$361K |
| 5 |
AFP
ATX Financial Planning
Austin,
Texas
|
-$337K |
CPSL Hedge Fund Activity: Q1 2026 in Review
29 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in Calamos Laddered S&P 500 Structured Alt Protection ETF (CPSL) for Q1 2026, worth a combined $55.6M — up 20% from $46.4M a quarter earlier.
Fund positioning in CPSL was balanced in Q1 2026: 6 funds opened new positions, 6 closed out, 11 added to existing stakes and 7 trimmed.
The largest buyer was Harbour Investments, adding an estimated $3.77M. The largest seller was Garden State Investment Advisory Services, exiting entirely with an estimated $663K sold.
- 29 institutional investors held Calamos Laddered S&P 500 Structured Alt Protection ETF (CPSL) as of Q1 2026, unchanged from Q4 2025.
- Funds reported $55.6M of Calamos Laddered S&P 500 Structured Alt Protection ETF stock for Q1 2026, up 20% quarter-over-quarter.
- 6 funds opened new Calamos Laddered S&P 500 Structured Alt Protection ETF positions in Q1 2026 and 6 closed out, a net change of 0 holders.
- The largest Calamos Laddered S&P 500 Structured Alt Protection ETF buyer in Q1 2026 was Harbour Investments, an estimated $3.77M added.
- The largest Calamos Laddered S&P 500 Structured Alt Protection ETF seller in Q1 2026 was Garden State Investment Advisory Services, an estimated $663K sold.
Based on aggregated 13F filings for Q1 2026.