Calamos S&P 500 Structured Alt Protection ETF - November (CPSN) Institutional Ownership $26.47 +0.03 (+0.11%) Closing price 09/9/2025 04:10 PM EasternExtended Trading$26.46 0.00 (-0.02%) As of 09/9/2025 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisChartHoldingsOwnershipBuy This Stock Institutional Ownership Changes (13F Filings) for Calamos S&P 500 Structured Alt Protection ETF - November (NYSEARCA:CPSN)Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$1.63MNumber ofInstitutional Sellers(last 12 months)2TotalInstitutional Outflows(last 12 months)$156.11K Get CPSN Insider Trade Alerts Want to know when executives and insiders are buying or selling Calamos S&P 500 Structured Alt Protection ETF - November stock? 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Skip Chart & View Institutional Buying and Selling Data CPSN Institutional Buying and Selling by Quarter Calamos S&P 500 Structured Alt Protection ETF - November Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails7/10/2025Worth Asset Management LLC31,448$819K0.4%-14.9%4.058% 5/15/2025OLD Mission Capital LLC26,445$668K0.0%+21.5%3.526% 4/11/2025Burkett Financial Services LLC3,980$100K0.0%-11.7%0.531% 4/9/2025Worth Asset Management LLC36,933$932K0.5%N/A4.617% 2/12/2025OLD Mission Capital LLC21,765$551K0.0%N/A0.000% 2/10/2025Creative Financial Designs Inc. ADV1,041$26K0.0%N/A0.000% (Data available from 1/1/2016 forward) CPSN Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of CPSN shares? During the previous two years, the following institutional investors and hedge funds held shares of Calamos S&P 500 Structured Alt Protection ETF - November shares: Worth Asset Management LLC ($819K), OLD Mission Capital LLC ($668K), and Burkett Financial Services LLC ($100K), Creative Financial Designs Inc. ADV ($26K).Learn more on Calamos S&P 500 Structured Alt Protection ETF - November's institutional investors. Which institutional investors have been buying Calamos S&P 500 Structured Alt Protection ETF - November's stock? The following institutional investors have purchased Calamos S&P 500 Structured Alt Protection ETF - November's stock in the last 24 months: Worth Asset Management LLC ($36.93K), OLD Mission Capital LLC ($26.45K), and Creative Financial Designs Inc. ADV ($1.04K). How much institutional buying is happening at Calamos S&P 500 Structured Alt Protection ETF - November? Institutional investors have bought a total of 64,419 shares in the last 24 months. This purchase volume represents approximately $1.63M in transactions. Which of Calamos S&P 500 Structured Alt Protection ETF - November's major shareholders have been selling company stock? The following institutional investors have sold Calamos S&P 500 Structured Alt Protection ETF - November stock in the last 24 months: Worth Asset Management LLC ($5.49K), and Burkett Financial Services LLC ($526.00). How much institutional selling is happening at Calamos S&P 500 Structured Alt Protection ETF - November? Institutional investors have sold a total of 6,011 shares in the last 24 months. This volume of shares sold represents approximately $156.11K in transactions. 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