ProShares Short MidCap 400 (MYY) Institutional Ownership $15.78 0.00 (0.00%) Closing price 05/22/2026 04:10 PM EasternExtended Trading$15.85 +0.07 (+0.44%) As of 05/22/2026 07:56 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 Massive. Learn more. Add Compare Share Share Ownership Stock AnalysisChartDividendHoldingsOwnershipSEC FilingsShort 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)$493.41KNumber ofInstitutional Sellers(last 12 months)0 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. 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Skip Chart & View Institutional Buying and Selling Data MYY Institutional Buying and Selling by Quarter ProShares Short MidCap 400 Major Shareholders & Ownership History ExportReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/15/2025 Tower Research Capital LLC TRC 19,915$373K0.0%+172.8%7.376% 8/15/2025 IHT Wealth Management LLC13,700$257K0.0%N/A5.074% 4/8/2025J2 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% 4/18/2023J2 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% 1/17/2023J2 Capital Management Inc71,281$1.77M3.0%+9.8%11.497% 11/15/2022Sowell 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% 10/17/2022J2 Capital Management Inc64,906$1.80M3.4%+265.2%9.687% 8/13/2022Regal Investment Advisors LLC12,940$351K0.0%N/A2.753% 7/19/2022J2 Capital Management Inc17,772$483K0.7%N/A3.781% 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), Tower Research Capital LLC TRC ($373K), and Citadel Advisors LLC ($328K), IHT Wealth Management LLC ($257K).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), Tower Research Capital LLC TRC ($23.24K), and IHT Wealth Management LLC ($13.70K). How much institutional buying is happening at ProShares Short MidCap 400? Institutional investors have bought a total of 26,315 shares in the last 24 months. This purchase volume represents approximately $493.41K in transactions. Related Companies ProShares UltraPro Short MidCap 400 Major Shareholders Xtrackers S&P MidCap 400 Scored & Screened ETF Major Shareholders Harbor Mid Cap Core ETF Major Shareholders Harbor Mid Cap Value ETF Major Shareholders ProShares UltraShort MidCap 400 Major Shareholders JPMorgan Fundamental Data Science Mid Core ETF Major Shareholders Janus Henderson Mid Cap Growth Alpha ETF Major Shareholders ProShares UltraPro MidCap 400 Major Shareholders Concourse Capital Focused Equity ETF Major Shareholders Virtus KAR Mid-Cap ETF Major Shareholders This page (NYSEARCA:MYY) was last updated on 5/25/2026 by MarketBeat.com Staff. 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