Notice: This company has been marked as potentially delisted and may not be actively trading. Capnia (CAPNU) Institutional Ownership Add Share Share Ownership Stock AnalysisOwnershipTrends Institutional Ownership Changes (13F Filings) for Capnia (NASDAQ:CAPNU)Number ofInstitutional Buyers(last 12 months)13TotalInstitutional Inflows(last 12 months)$31.15MNumber ofInstitutional Sellers(last 12 months)0 Get CAPNU Insider Trade Alerts Want to know when executives and insiders are buying or selling Capnia 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 CAPNU Institutional Buying and Selling by Quarter Capnia Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails12/3/2024Rivernorth Capital Management LLC450,000$4.51M0.2%N/A0.000% 11/18/2024Shaolin Capital Management LLC175,000$1.75M0.0%N/A0.000% 11/15/2024Whitebox Advisors LLC125,000$1.25M0.0%N/A0.000% 11/15/2024Weiss Asset Management LP150,000$1.50M0.0%N/A0.000% 11/15/2024Rivernorth Capital Management LLC450,000$4.51M0.2%N/A0.000% 11/15/2024Polar Asset Management Partners Inc.275,000$2.76M0.1%N/A0.000% 11/15/2024Berkley W R Corp16,197$162K0.0%N/A0.000% 11/14/2024Westchester Capital Management LLC150,000$1.50M0.1%N/A0.000% 11/13/2024Crossingbridge Advisors LLC175,000$1.75M1.3%N/A0.000% 11/12/2024ATW Spac Management LLC306,703$3.07M3.6%N/A0.000% 11/12/2024Mizuho Securities USA LLC403,332$4.03M0.1%N/A0.000% 11/4/2024Wolverine Asset Management LLC250,000$2.51M0.0%N/A0.000% 10/22/2024Spartan Fund Management Inc.105,000$1.05M3.2%N/A0.000% 10/19/2024Wealthspring Capital LLC80,900$811K1.0%N/A0.000% (Data available from 1/1/2016 forward) CAPNU Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of CAPNU shares? During the previous two years, 13 institutional investors and hedge funds held shares of Capnia. The most heavily invested institutionals were Rivernorth Capital Management LLC ($4.51M), Mizuho Securities USA LLC ($4.03M), ATW Spac Management LLC ($3.07M), Polar Asset Management Partners Inc. ($2.76M), Wolverine Asset Management LLC ($2.51M), Shaolin Capital Management LLC ($1.75M), and Crossingbridge Advisors LLC ($1.75M).Learn more on CAPNU's institutional investors. Which institutional investors have been buying Capnia stock? Of the 13 institutional investors that purchased Capnia stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Rivernorth Capital Management LLC ($900K), Mizuho Securities USA LLC ($403.33K), ATW Spac Management LLC ($306.70K), Polar Asset Management Partners Inc. ($275K), Wolverine Asset Management LLC ($250K), Crossingbridge Advisors LLC ($175K), and Shaolin Capital Management LLC ($175K). How much institutional buying is happening at Capnia? Institutional investors have bought a total of 3,112,132 shares in the last 24 months. This purchase volume represents approximately $31.15M in transactions. This page (NASDAQ:CAPNU) was last updated on 1/30/2025 by MarketBeat.com Staff From Our PartnersTexas approves new currencyRural Texas Town Ramps Up Global Currency War A small town has joined a radical $1.9 trillion attack on the...Stansberry Research | SponsoredHas Trump finally met his match?Dylan Jovine predicted the 2008 crash over a year before it happened. Folks who listened to him had the chance...Behind the Markets | SponsoredI was wrong. Dead wrong. I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we...Porter & Company | SponsoredURGENT: This Altcoin Opportunity Won’t Wait – Act NowCrypto has officially entered the "banana zone" – that wild phase where prices can 1000x in days. 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