Harbor Scientific Alpha Income ETF (SIFI) Institutional Ownership $44.02 +0.03 (+0.07%) As of 04:10 PM Eastern Add Compare Share Share Ownership Stock AnalysisChartDividendHoldingsOwnershipBuy This Stock Institutional Ownership Changes (13F Filings) for Harbor Scientific Alpha Income ETF (NYSEARCA:SIFI)CurrentInstitutional OwnershipPercentage58.11%Number ofInstitutional Buyers(last 12 months)2TotalInstitutional Inflows(last 12 months)$1.19MNumber ofInstitutional Sellers(last 12 months)2TotalInstitutional Outflows(last 12 months)$149.82K Get SIFI Insider Trade Alerts Want to know when executives and insiders are buying or selling Harbor Scientific Alpha Income ETF 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 SIFI Institutional Buying and Selling by Quarter Harbor Scientific Alpha Income ETF Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/14/2025 Jane Street Group LLC23,943$1.06M0.0%+163.1%3.109% 8/12/2025 Steward Partners Investment Advisory LLC3,137$138K0.0%N/A0.407% 5/19/2025 Jane Street Group LLC9,099$396K0.0%N/A1.174% 2/17/2025 Citadel Advisors LLC14,841$639K0.0%-10.5%1.915% 11/15/2024 Jane Street Group LLC6,617$295K0.0%-20.2%0.854% 7/30/2024 International Assets Investment Management LLC1,050$45K0.0%N/A0.135% (Data available from 1/1/2016 forward) SIFI Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of SIFI shares? During the previous two years, the following institutional investors and hedge funds held shares of Harbor Scientific Alpha Income ETF shares: Jane Street Group LLC ($1.06M), Citadel Advisors LLC ($639K), and Steward Partners Investment Advisory LLC ($138K), International Assets Investment Management LLC ($45K).Learn more on Harbor Scientific Alpha Income ETF's institutional investors. What percentage of Harbor Scientific Alpha Income ETF's stock is owned by institutional investors? 58.11% of Harbor Scientific Alpha Income ETF's stock is owned by institutional investors. Learn more on SIFI's institutional investor holdings. Which institutional investors have been buying Harbor Scientific Alpha Income ETF's stock? The following institutional investors have purchased Harbor Scientific Alpha Income ETF's stock in the last 24 months: Jane Street Group LLC ($23.94K), Steward Partners Investment Advisory LLC ($3.14K), and International Assets Investment Management LLC ($1.05K). How much institutional buying is happening at Harbor Scientific Alpha Income ETF? Institutional investors have bought a total of 27,080 shares in the last 24 months. This purchase volume represents approximately $1.19M in transactions. Which of Harbor Scientific Alpha Income ETF's major shareholders have been selling company stock? The following institutional investors have sold Harbor Scientific Alpha Income ETF stock in the last 24 months: Citadel Advisors LLC ($1.74K), and Jane Street Group LLC ($1.68K). How much institutional selling is happening at Harbor Scientific Alpha Income ETF? Institutional investors have sold a total of 3,420 shares in the last 24 months. This volume of shares sold represents approximately $149.82K in transactions. 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