Magnetar Financial LLC and affiliated reporting persons filed a Schedule 13G on November 13, 2026, disclosing beneficial ownership of 1,980,000 Class A ordinary shares of Jones Ventures Intl Acquisition1 Corp as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: Each reporting person is deemed to beneficially own 1,980,000 Class A ordinary shares of Jones Ventures Intl Acquisition1 Corp.
  • Percent of class: The 1,980,000 shares represent approximately 9.41% of the total shares outstanding as of September 30, 2026.
  • Shares outstanding basis: The percentage was calculated based on approximately 21,040,500 shares outstanding, as reported by the issuer in a filing dated August 20, 2026.
  • Voting and dispositive power: All 1,980,000 shares carry shared voting power and shared dispositive power; sole voting and sole dispositive power are each reported as 0.
  • Four reporting persons: Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, and David J. Snyderman each report identical beneficial ownership figures.
  • Shares distributed across funds: Holdings include 475,200 shares for Constellation Master Fund, 415,800 for Structured Credit Fund, 336,600 each for Alpha Star Fund, Lake Credit Fund, and Xing He Master Fund, 59,400 for Waterfront Series A Fund, and 19,800 for Capital Master Fund.

Magnetar Financial's Position in Jones Ventures Intl Acquisition1 Corp

According to the filing, Magnetar Financial LLC serves as the investment adviser to the Magnetar Funds and, in that capacity, exercises voting and investment power over the shares held in those funds' accounts. Jones Ventures Intl Acquisition1 Corp, a blank-check acquisition company whose Class A ordinary shares carry a par value of $0.0001 per share, has its principal executive offices located at 325 Hudson St, 6th Floor, New York, NY 10013, as disclosed in the filing. The CUSIP number for the reported class of securities is G51776105.

The filing describes the corporate structure connecting the four reporting persons. Magnetar Capital Partners LP is the sole member and parent holding company of Magnetar Financial LLC. Supernova Management LLC serves as the general partner of Magnetar Capital Partners LP. David J. Snyderman, a United States citizen, is identified as the administrative manager of Supernova Management LLC. All three entities are organized under Delaware law, and their shared principal business address is 1603 Orrington Avenue, 13th Floor, Evanston, Illinois 60201, according to the filing.

The filing states that the securities "were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer." The statement was signed on November 13, 2026, by Hayley Stein as attorney-in-fact for David J. Snyderman. The event triggering the filing is dated September 30, 2026.

What Was Disclosed

A Schedule 13G was filed on November 13, 2026, by Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, and David J. Snyderman, reporting shared beneficial ownership of 1,980,000 Class A ordinary shares, equal to approximately 9.41% of Jones Ventures Intl Acquisition1 Corp's outstanding shares as of September 30, 2026.