ProShares UltraShort MidCap400 (MZZ) Institutional Ownership $11.14 +0.10 (+0.88%) As of 02:52 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisChartDividendHoldingsOwnershipBuy This Stock Institutional Ownership Changes (13F Filings) for ProShares UltraShort MidCap400 (NYSEARCA:MZZ)Number ofInstitutional Buyers(last 12 months)1TotalInstitutional Inflows(last 12 months)$26.20KNumber ofInstitutional Sellers(last 12 months)0 Get MZZ Insider Trade Alerts Want to know when executives and insiders are buying or selling ProShares UltraShort MidCap400 stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data MZZ Institutional Buying and Selling by Quarter Remove Ads ProShares UltraShort MidCap400 Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/14/2025Tower Research Capital LLC TRC 13,666$133K0.0%+24.5%9.866% 11/14/2023Tower Research Capital LLC TRC23,763$375K0.0%+69.5%14.534% 5/9/2023Tower Research Capital LLC TRC15,937$250K0.0%+161.5%9.961% 11/15/2021Flow Traders U.S. LLC10,096$184K0.0%N/A8.856% 3/26/2021Susquehanna International Group LLP40,462$266K0.0%N/A17.825% (Data available from 1/1/2016 forward)Remove Ads MZZ Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of MZZ shares? During the previous two years, the following institutional investors and hedge funds held shares of ProShares UltraShort MidCap400 shares: Tower Research Capital LLC TRC ($133K).Learn more on MZZ's institutional investors. Which institutional investors have been buying ProShares UltraShort MidCap400 stock? The following institutional investors have purchased ProShares UltraShort MidCap400 stock in the last 24 months: Tower Research Capital LLC TRC ($22.27K). How much institutional buying is happening at ProShares UltraShort MidCap400? Institutional investors have bought a total of 22,272 shares in the last 24 months. This purchase volume represents approximately $334.06K in transactions. Related Companies SMDD Major Shareholders MYY Major Shareholders MIDE Major Shareholders RNMC Major Shareholders JMID Major Shareholders KMID Major Shareholders FRTY Major Shareholders UMDD Major Shareholders AFMC Major Shareholders PAMC Major Shareholders This page (NYSEARCA:MZZ) was last updated on 4/1/2025 by MarketBeat.com Staff From Our PartnersA market crash is coming—here’s whenThe stock market cycle I've used to identify the most likely day of the next market crash is the exact same in...Chaikin Analytics | SponsoredRetirement Nightmare? It’s Already Happening.The market is on edge. Every day, another company slashes its dividend, leaving investors scrambling. 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