Day One Biopharmaceuticals (DAWN) Institutional Ownership $7.20 +0.22 (+3.15%) Closing price 04:00 PM EasternExtended Trading$7.14 -0.06 (-0.82%) As of 05:27 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Day One Biopharmaceuticals (NASDAQ:DAWN)CurrentInstitutional OwnershipPercentage87.95%Number ofInstitutional Buyers(last 12 months)125TotalInstitutional Inflows(last 12 months)$427.83MNumber ofInstitutional Sellers(last 12 months)54TotalInstitutional Outflows(last 12 months)$103.40M Get DAWN Insider Trade Alerts Want to know when executives and insiders are buying or selling Day One Biopharmaceuticals 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 DAWN Institutional Buying and Selling by Quarter Day One Biopharmaceuticals Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/18/2025 Hudson Bay Capital Management LP1,296,700$8.43M0.0%+12.7%1.266% 8/15/2025 Vestal Point Capital LP3,000,000$19.50M1.0%+15.5%2.929% 8/15/2025 Rafferty Asset Management LLC98,691$641K0.0%-17.2%0.096% 8/15/2025 Man Group plc56,862$370K0.0%+46.1%0.056% 8/15/2025 Lazard Asset Management LLC13,765$89K0.0%N/A0.013% 8/15/2025 Hudson Bay Capital Management LP1,296,700$8.43M0.0%+12.7%1.266% 8/15/2025 BNP Paribas Financial Markets125,462$816K0.0%-22.6%0.122% 8/15/2025 Braidwell LP2,181,598$14.18M0.5%-38.3%2.130% 8/15/2025 Bank of America Corp DE965,423$6.28M0.0%-7.8%0.943% 8/14/2025 Bayesian Capital Management LP28,100$183K0.0%+56.1%0.027% Get the Latest News and Ratings for DAWN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Day One Biopharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.44,244$287K0.0%+16.5%0.043% 8/14/2025 The Manufacturers Life Insurance Company 38,204$248K0.0%+28.6%0.037% 8/14/2025 OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 107,249$697K0.0%-5.3%0.105% 8/14/2025 Nebula Research & Development LLC60,665$394K0.0%+6.2%0.059% 8/14/2025 Qube Research & Technologies Ltd944,202$6.14M0.0%+236.3%0.922% 8/14/2025 Pale Fire Capital SE34,843$226K0.0%+9.9%0.034% 8/13/2025 Diametric Capital LP49,941$325K0.2%+104.0%0.049% 8/13/2025 Tema Etfs LLC124,310$808K0.2%+36.4%0.121% 8/13/2025 Stonepine Capital Management LLC450,000$2.93M2.9%+29.0%0.439% 8/13/2025 Kennedy Capital Management LLC453,520$2.95M0.1%+38.4%0.443% 8/13/2025 Invesco Ltd.68,507$445K0.0%+47.6%0.067% 8/13/2025 Quantbot Technologies LP7,542$49K0.0%-26.7%0.007% 8/13/2025 Fisher Asset Management LLC221,983$1.44M0.0%-19.3%0.217% 8/13/2025 Schroder Investment Management Group180,133$1.17M0.0%N/A0.176% 8/13/2025 Virtus Investment Advisers LLC66,427$432K0.1%+137.0%0.065% 8/13/2025 Norges Bank169,000$1.10M0.0%N/A0.165% 8/13/2025 Hsbc Holdings PLC131,668$846K0.0%+162.4%0.129% 8/13/2025 Russell Investments Group Ltd.143,453$932K0.0%+777.9%0.140% 8/12/2025 XTX Topco Ltd24,268$158K0.0%N/A0.024% 8/12/2025 Ameritas Investment Partners Inc.7,349$48K0.0%+44.5%0.007% 8/12/2025 Prudential Financial Inc.10,682$69K0.0%N/A0.010% 8/12/2025 American Century Companies Inc.27,330$178K0.0%+89.6%0.027% 8/12/2025 Rhumbline Advisers116,060$754K0.0%+41.8%0.113% 8/12/2025 Legal & General Group Plc56,864$370K0.0%-6.1%0.056% 8/12/2025 Franklin Resources Inc.4,097,625$26.64M0.0%+2.0%4.000% 8/12/2025 JPMorgan Chase & Co.89,102$579K0.0%+44.8%0.087% 8/12/2025 Entropy Technologies LP10,330$67K0.0%N/A0.010% 8/12/2025 Swiss National Bank125,800$818K0.0%+17.0%0.123% 8/12/2025 Dynamic Technology Lab Private Ltd83,223$541K0.1%+71.7%0.081% 8/11/2025 Knott David M Jr33,714$219K0.1%N/A0.033% BREAKING: The House just passed 3 pro-crypto bills! 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During the previous two years, 175 institutional investors and hedge funds held shares of Day One Biopharmaceuticals. The most heavily invested institutionals were FMR LLC ($163.28M), Atlas Venture Life Science Advisors LLC ($106.23M), RA Capital Management L.P. ($72.92M), Vanguard Group Inc. ($47.13M), Pictet Asset Management Holding SA ($44.22M), State Street Corp ($39.34M), and Deerfield Management Company L.P. Series C ($32.89M).Learn more on Day One Biopharmaceuticals' institutional investors. What percentage of Day One Biopharmaceuticals' stock is owned by institutional investors? 87.95% of Day One Biopharmaceuticals' stock is owned by institutional investors. Learn more on DAWN's institutional investor holdings. Which institutional investors have been buying Day One Biopharmaceuticals' stock? Of the 144 institutional investors that purchased Day One Biopharmaceuticals' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: FMR LLC ($10.23M), Alyeska Investment Group L.P. ($4.06M), Vestal Point Capital LP ($2.81M), Braidwell LP ($2.69M), First Turn Management LLC ($2.65M), Estuary Capital Management LP ($1.70M), and Goldman Sachs Group Inc. ($1.57M). How much institutional buying is happening at Day One Biopharmaceuticals? Institutional investors have bought a total of 36,676,790 shares in the last 24 months. This purchase volume represents approximately $427.83M in transactions. Which of Day One Biopharmaceuticals' major shareholders have been selling company stock? Of the 54 institutional investors that sold Day One Biopharmaceuticals' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Braidwell LP ($2.69M), RA Capital Management L.P. ($2.12M), Vestal Point Capital LP ($1.06M), Janus Henderson Group PLC ($870.98K), Price T Rowe Associates Inc. MD ($838.75K), Woodline Partners LP ($585.77K), and Estuary Capital Management LP ($389.93K). How much institutional selling is happening at Day One Biopharmaceuticals? Institutional investors have sold a total of 9,912,669 shares in the last 24 months. This volume of shares sold represents approximately $103.40M in transactions. Related Companies Catalyst Pharmaceuticals Institutional Ownership Organon & Co. 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