ProShares UltraShort Nasdaq Biotechnology (BIS) Institutional Ownership $14.38 +0.11 (+0.76%) Closing price 08/28/2025 03:57 PM EasternExtended Trading$14.40 +0.02 (+0.12%) As of 08/28/2025 04:29 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 AnalysisChartDividendHoldingsOptions ChainOwnershipShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for ProShares UltraShort Nasdaq Biotechnology (NASDAQ:BIS)Number ofInstitutional Buyers(last 12 months)1TotalInstitutional Inflows(last 12 months)$670.74KNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$183.90K Get BIS Insider Trade Alerts Want to know when executives and insiders are buying or selling ProShares UltraShort Nasdaq Biotechnology stock? 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Skip Chart & View Institutional Buying and Selling Data BIS Institutional Buying and Selling by Quarter ProShares UltraShort Nasdaq Biotechnology Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/14/2025 Jane Street Group LLC38,696$704K0.0%+267.8%19.348% 2/14/2025 Tower Research Capital LLC TRC5,321$97K0.0%-65.5%2.661% 11/15/2024 Jane Street Group LLC10,520$158K0.0%N/A4.782% 4/13/2024 IMC Chicago LLC25,210$443K0.0%+68.1%11.459% 2/13/2024 Tower Research Capital LLC TRC4,721$85K0.0%-53.4%1.004% 2/9/2024 IMC Chicago LLC15,001$271K0.0%N/A3.192% 11/10/2022 Tower Research Capital LLC TRC8,123$205K0.0%-9.2%2.708% 11/8/2022 IMC Chicago LLC23,335$590K0.0%+11.1%7.778% 8/5/2022 IMC Chicago LLC21,003$566K0.0%+12.5%5.251% 8/5/2022 OLD Mission Capital LLC15,311$413K0.0%-52.5%3.828% 4/19/2022 IMC Chicago LLC18,668$450K0.0%N/A5.395% 2/10/2022 OLD Mission Capital LLC13,257$266K0.0%N/A3.348% 11/5/2021 IMC Chicago LLC27,459$495K0.0%+93.3%6.934% 8/13/2021 OLD Mission Capital LLC30,214$556K0.0%-33.8%6.774% 8/11/2021 Susquehanna International Group LLP34,616$637K0.0%-26.5%7.761% 8/6/2021 IMC Chicago LLC14,203$261K0.0%+5.4%3.185% (Data available from 1/1/2016 forward) BIS Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of BIS shares? During the previous two years, the following institutional investors and hedge funds held shares of ProShares UltraShort Nasdaq Biotechnology shares: Jane Street Group LLC ($704K), and IMC Chicago LLC ($443K), Tower Research Capital LLC TRC ($97K).Learn more on ProShares UltraShort Nasdaq Biotechnology's institutional investors. Which institutional investors have been buying ProShares UltraShort Nasdaq Biotechnology's stock? The following institutional investors have purchased ProShares UltraShort Nasdaq Biotechnology's stock in the last 24 months: Jane Street Group LLC ($38.70K), and IMC Chicago LLC ($25.21K). How much institutional buying is happening at ProShares UltraShort Nasdaq Biotechnology? Institutional investors have bought a total of 38,696 shares in the last 24 months. This purchase volume represents approximately $670.74K in transactions. Which of ProShares UltraShort Nasdaq Biotechnology's major shareholders have been selling company stock? The following institutional investors have sold ProShares UltraShort Nasdaq Biotechnology stock in the last 24 months: Tower Research Capital LLC TRC ($10.11K). How much institutional selling is happening at ProShares UltraShort Nasdaq Biotechnology? Institutional investors have sold a total of 10,110 shares in the last 24 months. This volume of shares sold represents approximately $183.90K in transactions. 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