CPSO
Calamos S&P 500 Structured Alt Protection ETF – October
Stock · Financial Services · Asset Management - Global · US · $27M market cap
Held by ETFs$14M
Share of the company≈51%
Top-10 holding in1 ETFs
Built on CPSO alone0 ETFs
Most per dollar · basket—
Biggest holderCPSL $14M
Every ETF built around CPSO
Closest to the stock first, then outward.
Map · size = assets, color = YTDFundNameWhat it gives youCPSO per $1,000YTDYieldFeeAssets
4Heaviest basketsCPSO is the biggest slice; over $1B first1 fund hold it in their top 10
6Already in core fundsMost people own CPSO this way1 fund · $14M of CPSO
Where the ETF money in CPSO sits
Low-Cost Core $14M
The ETF Tracker@TheETFTrackerTile size = dollars of CPSO held · $14M across funds that list it in their top 10
The ETF TrackerWhere the ETF money in CPSO sits@TheETFTracker · etftracker.io · Nov 2, 2026