This company has been marked as potentially delisted and may not be actively trading. Sonnet BioTherapeutics (SONN) Institutional Ownership Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsEarningsFDA EventsHeadlinesInsider TradesOwnershipShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Sonnet BioTherapeutics (NASDAQ:SONN)CurrentInstitutional OwnershipPercentage9.45%Number ofInstitutional Buyers(last 12 months)11TotalInstitutional Inflows(last 12 months)$108.38MNumber ofInstitutional Sellers(last 12 months)0 Get SONN Insider Trade Alerts Want to know when executives and insiders are buying or selling Sonnet BioTherapeutics 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 SONN Institutional Buying and Selling by Quarter Sonnet BioTherapeutics Major Shareholders & Ownership History ExportReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails1/16/2026 Formidable Asset Management LLC37,185$47K0.0%N/A0.525% 11/18/2025 Heights Capital Management Inc.3,000,000$13.74M3.8%N/A42.385% 11/17/2025 Pantera Capital Partners LP20,427,696$93.56M9.6%N/A288.608% 11/17/2025 Citadel Advisors LLC46,082$211K0.0%N/A0.651% 11/17/2025 Bank of America Corp DE16,784$77K0.0%+57,775.9%0.237% 11/17/2025 Boothbay Fund Management LLC56,339$258K0.0%N/A0.796% 11/14/2025 Virtu Financial LLC26,266$120K0.0%N/A0.371% 11/14/2025 Two Sigma Investments LP14,972$69K0.0%N/A0.212% 11/10/2025 BIT Capital GmbH48,358$221K0.0%N/A0.683% 11/7/2025 JPMorgan Chase & Co.7,537$35K0.0%N/A0.106% 10/31/2025 Investment House LLC10,625$49K0.0%N/A0.150% 5/12/2025MMCAP International Inc. SPC133,590$179K0.0%N/A4.357% 2/17/2025Two Sigma Investments LP19,203$28K0.0%N/A0.630% 2/11/2025Virtu Financial LLC39,647$58K0.0%N/A1.300% 8/15/2024Armistice Capital LLC272,000$255K0.0%N/A8.740% 7/27/2023Virtu Financial LLC86,624$42K0.0%N/A0.315% 5/19/2023Anson Funds Management LP1,760,000$634K0.1%N/A6.405% 11/7/2022Virtu Financial LLC26,914$40K0.0%N/A0.622% 8/2/2022Advisory Services Network LLC130,525$37K0.0%+158.3%0.215% 5/10/2022Campion Asset Management90,612$34K0.0%N/A0.150% SONN Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of SONN shares? During the previous two years, 13 institutional investors and hedge funds held shares of Sonnet BioTherapeutics. The most heavily invested institutionals were Pantera Capital Partners LP ($93.56M), Heights Capital Management Inc. ($13.74M), Boothbay Fund Management LLC ($258K), Armistice Capital LLC ($255K), BIT Capital GmbH ($221K), Citadel Advisors LLC ($211K), and MMCAP International Inc. SPC ($179K).Learn more on Sonnet BioTherapeutics' institutional investors. What percentage of Sonnet BioTherapeutics' stock is owned by institutional investors? 9.45% of Sonnet BioTherapeutics' stock is owned by institutional investors. Learn more on SONN's institutional investor holdings. Which institutional investors have been buying Sonnet BioTherapeutics' stock? Of the 13 institutional investors that purchased Sonnet BioTherapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Pantera Capital Partners LP ($20.43M), Heights Capital Management Inc. ($3M), Armistice Capital LLC ($272K), MMCAP International Inc. SPC ($133.59K), Virtu Financial LLC ($65.91K), Boothbay Fund Management LLC ($56.34K), and BIT Capital GmbH ($48.36K). How much institutional buying is happening at Sonnet BioTherapeutics? Institutional investors have bought a total of 23,691,815 shares in the last 24 months. This purchase volume represents approximately $108.38M in transactions. Related Companies Lisata Therapeutics Institutional Ownership CervoMed Institutional Ownership Oncobiologics Institutional Ownership Kyntra Bio Institutional Ownership Skye Bioscience Institutional Ownership ABVC BioPharma Institutional Ownership Tempest Therapeutics Institutional Ownership BGM Group Institutional Ownership Sensei Biotherapeutics Institutional Ownership Dyadic International Institutional Ownership This page (NASDAQ:SONN) was last updated on 5/24/2026 by MarketBeat.com Staff. From Our PartnersHey, it's Jon Najarian. The SpaceX IPO is right around the corner. But I discovered Elon may have something BIGGER planned. Check this out before June 9th...After being invited to the SpaceX launch headquarters in Cape Canaveral from one of Elon's top lobbyists… Hall...Banyan Hill Publishing | SponsoredBetter than SpaceX? 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