Helix Acquisition Corp. II (HLXB) Institutional Ownership $9.98 -0.08 (-0.75%) Closing price 08/11/2025Extended Trading$9.98 0.00 (0.00%) As of 08/11/2025 07:56 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 AnalysisChartCompetitorsHeadlinesOwnershipSEC FilingsTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Helix Acquisition Corp. II (NASDAQ:HLXB)CurrentInstitutional OwnershipPercentage54.89%Number ofInstitutional Buyers(last 12 months)20TotalInstitutional Inflows(last 12 months)$32.32MNumber ofInstitutional Sellers(last 12 months)3TotalInstitutional Outflows(last 12 months)$962.90K Get HLXB Insider Trade Alerts Want to know when executives and insiders are buying or selling Helix Acquisition Corp. II stock? 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II 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 LP108,300$1.15M0.0%N/A0.573% 8/15/2025 Octagon Capital Advisors LP250,000$2.66M0.6%-171.4%1.322% 8/15/2025 Hudson Bay Capital Management LP108,300$1.15M0.0%N/A0.573% 8/15/2025 Berkley W R Corp445,195$4.73M0.2%N/A2.354% 8/14/2025 Shaolin Capital Management LLC292,338$3.11M0.1%N/A1.546% 8/14/2025 Harraden Circle Investments LLC569,831$6.05M1.7%+8.2%3.013% 8/14/2025 Stempoint Capital LP315,812$3.29M1.1%+57.2%1.670% 8/13/2025 Clear Street LLC205,666$2.18M0.0%N/A1.088% 8/12/2025 JPMorgan Chase & Co.210,125$2.24M0.0%+38.0%1.111% 8/8/2025 Creative Planning200,000$2.12M0.0%N/A1.058% Get the Latest News and Ratings for HLXB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Helix Acquisition Corp. II and its competitors with MarketBeat's FREE daily newsletter. 7/30/2025 FNY Investment Advisers LLC27,184$289K0.1%N/A0.144% 5/16/2025 Millennium Management LLC1,096,382$12.39M0.0%-4.0%5.798% 5/16/2025 K2 Principal Fund L.P.100,000$1.13M0.1%N/A0.529% 5/16/2025 ADAR1 Capital Management LLC469,729$5.31M1.0%+16.2%2.484% 5/15/2025 Sculptor Capital LP800,000$9.04M0.2%+13.5%4.231% 5/14/2025 T. Rowe Price Investment Management Inc.397,962$4.50M0.0%-0.6%2.105% 2/19/2025 Toronto Dominion Bank49,500$520K0.0%N/A0.262% 2/17/2025 Toronto Dominion Bank49,500$520K0.0%N/A0.262% 2/17/2025 Millennium Management LLC1,142,302$11.99M0.0%+1.1%6.041% 2/17/2025 Citadel Advisors LLC1,339,670$14.07M0.0%+0.5%7.084% 2/14/2025 T. Rowe Price Investment Management Inc.400,247$4.20M0.0%+0.7%2.117% 2/14/2025 Price T Rowe Associates Inc. MD1,087,771$11.42M0.0%-3.5%5.752% 2/14/2025 Harraden Circle Investments LLC257,226$2.70M2.4%N/A1.360% 2/12/2025 Geode Capital Management LLC13,274$139K0.0%+22.1%0.070% 2/11/2025 Decagon Asset Management LLP186,454$1.96M0.7%N/A0.986% 11/14/2024 Acuta Capital Partners LLC180,945$1.89M1.5%+1.7%0.957% 8/15/2024 Millennium Management LLC1,117,400$11.42M0.0%+1.0%6.073% 8/7/2024Cowen AND Company LLC50,511$516K0.0%-7.2%0.275% 8/3/2024 TD Asset Management Inc144,772$1.48M0.0%N/A0.787% 5/24/2024 Farallon Capital Management LLC600,000$6.21M0.0%N/A3.261% 5/17/2024 Walleye Trading LLC51,876$537K0.0%N/A0.253% 5/15/2024 Price T Rowe Associates Inc. MD1,130,677$11.70M0.0%N/A5.518% 5/15/2024 Affinity Asset Advisors LLC250,000$2.59M0.3%N/A1.220% 5/14/2024 StemPoint Capital LP200,000$2.08M0.6%N/A0.976% (Data available from 1/1/2016 forward) HLXB Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of HLXB shares? During the previous two years, 26 institutional investors and hedge funds held shares of Helix Acquisition Corp. II. The most heavily invested institutionals were Citadel Advisors LLC ($14.07M), Millennium Management LLC ($12.39M), Price T Rowe Associates Inc. MD ($11.42M), Sculptor Capital LP ($9.04M), Farallon Capital Management LLC ($6.21M), Harraden Circle Investments LLC ($6.05M), and ADAR1 Capital Management LLC ($5.31M).Learn more on Helix Acquisition Corp. II's institutional investors. What percentage of Helix Acquisition Corp. II's stock is owned by institutional investors? 54.89% of Helix Acquisition Corp. II's stock is owned by institutional investors. Learn more on HLXB's institutional investor holdings. Which institutional investors have been buying Helix Acquisition Corp. II's stock? Of the 25 institutional investors that purchased Helix Acquisition Corp. II's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Price T Rowe Associates Inc. MD ($1.13M), Octagon Capital Advisors LP ($600K), Farallon Capital Management LLC ($600K), Berkley W R Corp ($445.20K), Stempoint Capital LP ($314.91K), Harraden Circle Investments LLC ($300.52K), and Shaolin Capital Management LLC ($292.34K). How much institutional buying is happening at Helix Acquisition Corp. II? Institutional investors have bought a total of 3,033,488 shares in the last 24 months. This purchase volume represents approximately $32.32M in transactions. Which of Helix Acquisition Corp. II's major shareholders have been selling company stock? The following institutional investors have sold Helix Acquisition Corp. II stock in the last 24 months: Millennium Management LLC ($45.92K), Price T Rowe Associates Inc. MD ($39.83K), and T. Rowe Price Investment Management Inc. ($2.29K). How much institutional selling is happening at Helix Acquisition Corp. II? Institutional investors have sold a total of 88,032 shares in the last 24 months. This volume of shares sold represents approximately $962.90K in transactions. Related Companies BRSP Major Shareholders TRTX Major Shareholders AACT Major Shareholders AC Major Shareholders ABL Major Shareholders ALTI Major Shareholders SITC Major Shareholders VINP Major Shareholders KREF Major Shareholders CTO Major Shareholders This page (NASDAQ:HLXB) was last updated on 9/5/2025 by MarketBeat.com Staff From Our PartnersWhy Trump’s “Smart Dollar” could rewrite the rulesMUST SEE: Donald Trump's Radical Overhaul of the U.S. Dollar Congress just approved President Trump's lates...Stansberry Research | Sponsored“Sell Nvidia before earnings”Eric Fry just went live with one of his most controversial calls yet: “Sell Nvidia.” While Wall Street has bee...InvestorPlace | SponsoredHow “Trump’s New Dollar” Could Impact Your WealthPresident Trump just signed a game-changing law… That could soon upgrade the U.S. dollar in your checking a...Brownstone Research | SponsoredForget Tesla — This Tiny AI Stock Is Musk’s Real PlayWhile Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it c...Behind the Markets | SponsoredRetire Comfortably with These New Monthly Income ETFs?Too many retirees lie awake at night, worried their savings won’t last. 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