ProShares Short MidCap 400 (MYY) Institutional Ownership $18.85 +0.29 (+1.56%) As of 08/1/2025 04:10 PM Eastern Add Compare Share Share Ownership Stock AnalysisChartDividendHoldingsOwnershipShort InterestBuy This Stock Institutional Ownership Changes (13F Filings) for ProShares Short MidCap 400 (NYSEARCA:MYY)Number ofInstitutional Buyers(last 12 months)2TotalInstitutional Inflows(last 12 months)$1.83MNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$116.99K Get MYY Insider Trade Alerts Want to know when executives and insiders are buying or selling ProShares Short MidCap 400 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 MYY Institutional Buying and Selling by Quarter ProShares Short MidCap 400 Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails4/8/2025 J2 Capital Management Inc80,354$1.63M1.5%N/A27.362% 2/17/2025Citadel Advisors LLC17,259$328K0.0%-26.3%5.877% 2/14/2025Tower Research Capital LLC TRC28,979$551K0.0%+57.9%9.868% 5/9/2023Tower Research Capital LLC TRC9,040$217K0.0%-27.3%1.310% 4/18/2023 J2 Capital Management Inc105,533$2.53M3.9%+48.1%15.295% 3/1/2023Regal Investment Advisors LLC48,372$1.20M0.1%+7.9%7.220% 2/22/2023Kovack Advisors Inc.9,300$231K0.0%N/A1.388% 1/17/2023 J2 Capital Management Inc71,281$1.77M3.0%+9.8%11.497% 11/15/2022 Sowell Financial Services LLC16,973$470K0.0%-85.2%2.983% 11/15/2022Regal Investment Advisors LLC44,845$1.24M0.1%+246.6%7.881% 11/14/2022Wolverine Trading LLC13,929$383K0.0%+39.9%2.444% 11/10/2022Tower Research Capital LLC TRC8,525$236K0.0%-13.6%1.496% 10/17/2022 J2 Capital Management Inc64,906$1.80M3.4%+265.2%9.687% 8/13/2022Regal Investment Advisors LLC12,940$351K0.0%N/A2.753% 7/19/2022 J2 Capital Management Inc17,772$483K0.7%N/A3.781% 1/18/2022Kovack Advisors Inc.19,400$439K0.0%N/A4.924% 11/15/2021Flow Traders U.S. LLC13,662$337K0.0%+28.9%3.261% 8/24/2021Flow Traders U.S. LLC10,599$260K0.0%N/A2.146% 8/11/2021Susquehanna International Group LLP36,834$902K0.0%-12.0%7.456% 8/3/2021Financial Advocates Investment Management95,191$2.33M0.2%-28.0%19.269% (Data available from 1/1/2016 forward) MYY Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of MYY shares? During the previous two years, the following institutional investors and hedge funds held shares of ProShares Short MidCap 400 shares: J2 Capital Management Inc ($1.63M), and Tower Research Capital LLC TRC ($551K), Citadel Advisors LLC ($328K).Learn more on ProShares Short MidCap 400's institutional investors. Which institutional investors have been buying ProShares Short MidCap 400's stock? The following institutional investors have purchased ProShares Short MidCap 400's stock in the last 24 months: J2 Capital Management Inc ($80.35K), and Tower Research Capital LLC TRC ($10.63K). How much institutional buying is happening at ProShares Short MidCap 400? Institutional investors have bought a total of 90,983 shares in the last 24 months. This purchase volume represents approximately $1.83M in transactions. Which of ProShares Short MidCap 400's major shareholders have been selling company stock? The following institutional investors have sold ProShares Short MidCap 400 stock in the last 24 months: Citadel Advisors LLC ($6.15K). How much institutional selling is happening at ProShares Short MidCap 400? Institutional investors have sold a total of 6,154 shares in the last 24 months. This volume of shares sold represents approximately $116.99K in transactions. Related Companies JPMorgan Fundamental Data Science Mid Core ETF Major Shareholders ProShares UltraPro Short MidCap 400 Major Shareholders ProShares UltraShort MidCap 400 Major Shareholders Mid Cap US Equity Select ETF Major Shareholders Janus Henderson Mid Cap Growth Alpha ETF Major Shareholders ProShares UltraPro MidCap 400 Major Shareholders Virtus KAR Mid-Cap ETF Major Shareholders Pacer Lunt MidCap Multi-Factor Alternator ETF Major Shareholders Direxion Daily Mid Cap Bull 3X Shares Major Shareholders Calvert US Mid-Cap Core Responsible Index ETF Major Shareholders This page (NYSEARCA:MYY) was last updated on 8/3/2025 by MarketBeat.com Staff From Our PartnersMan Who Called Nvidia at $1.10 Says Buy This Now...In 2004, one man called Nvidia before just about anyone knew it existed. 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