Calamos S&P 500 Structured Alt Protection ETF - May (CPSM) Institutional Ownership $28.17 +0.03 (+0.11%) Closing price 04:10 PM EasternExtended Trading$28.16 -0.01 (-0.04%) As of 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 AnalysisChartHeadlinesHoldingsOwnershipShort InterestBuy This Stock Institutional Ownership Changes (13F Filings) for Calamos S&P 500 Structured Alt Protection ETF - May (NYSEARCA:CPSM)Number ofInstitutional Buyers(last 12 months)2TotalInstitutional Inflows(last 12 months)$1.32MNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$147.84K Get CPSM Insider Trade Alerts Want to know when executives and insiders are buying or selling Calamos S&P 500 Structured Alt Protection ETF - May stock? 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Calamos S&P 500 Structured Alt Protection ETF - May Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/15/2025 OLD Mission Capital LLC41,836$1.13M0.0%N/A2.061% 4/15/2025Noble Wealth Management PBC1,700$46K0.0%-76.4%0.081% 2/5/2025Noble Wealth Management PBC7,200$192K0.1%N/A0.195% (Data available from 1/1/2016 forward) CPSM Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of CPSM shares? During the previous two years, the following institutional investors and hedge funds held shares of Calamos S&P 500 Structured Alt Protection ETF - May shares: OLD Mission Capital LLC ($1.13M), Noble Wealth Management PBC ($46K).Learn more on Calamos S&P 500 Structured Alt Protection ETF - May's institutional investors. Which institutional investors have been buying Calamos S&P 500 Structured Alt Protection ETF - May's stock? The following institutional investors have purchased Calamos S&P 500 Structured Alt Protection ETF - May's stock in the last 24 months: OLD Mission Capital LLC ($41.84K), and Noble Wealth Management PBC ($7.20K). How much institutional buying is happening at Calamos S&P 500 Structured Alt Protection ETF - May? Institutional investors have bought a total of 49,036 shares in the last 24 months. This purchase volume represents approximately $1.32M in transactions. Which of Calamos S&P 500 Structured Alt Protection ETF - May's major shareholders have been selling company stock? The following institutional investors have sold Calamos S&P 500 Structured Alt Protection ETF - May stock in the last 24 months: Noble Wealth Management PBC ($5.50K). How much institutional selling is happening at Calamos S&P 500 Structured Alt Protection ETF - May? Institutional investors have sold a total of 5,500 shares in the last 24 months. This volume of shares sold represents approximately $147.84K in transactions. Related Companies AllianzIM U.S. Large Cap 6 Month Buffer10 Feb/Aug ETF Institutional Ownership AllianzIM U.S. Large Cap Buffer10 Oct ETF Institutional Ownership AllianzIM U.S. Equity Buffer15 Uncapped Jan ETF Institutional Ownership DoubleLine Asset-Backed Securities ETF Institutional Ownership AllianzIM U.S. Large Cap Buffer20 Sep ETF Institutional Ownership AllianzIM U.S. Large Cap Buffer20 Jun ETF Institutional Ownership BNY Mellon Emerging Markets Equity ETF Institutional Ownership Invesco S&P 500 Value with Momentum ETF Institutional Ownership ProShares S&P 500 EX-Financials ETF Institutional Ownership iShares Large Cap Value Active ETF Institutional Ownership This page (NYSEARCA:CPSM) was last updated on 9/4/2025 by MarketBeat.com Staff From Our PartnersCapital Gains Tax Strategies for SeniorsCapital gains taxes can take a bite out of your retirement income—unless you have a smart strategy. 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