Magnetar Financial LLC and affiliated reporting persons filed a Schedule 13G with the SEC on November 13, 2026, disclosing beneficial ownership of 1,900,000 Class A ordinary shares of XterAX Corp II as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: Each reporting person is deemed to beneficially own 1,900,000 Class A ordinary shares, par value $0.0001 per share, of XterAX Corp II (CUSIP G5226N109).
  • Percent of class: The 1,900,000 shares represent approximately 9.20% of total shares outstanding, based on approximately 20,650,000 shares outstanding as reported by the issuer.
  • Voting and dispositive power: All 1,900,000 shares are held with shared voting power and shared dispositive power; sole voting and sole dispositive power are each reported as zero.
  • Shares distributed across six funds: Holdings include 532,000 shares in Magnetar Constellation Master Fund, 418,000 in Magnetar Structured Credit Fund, 399,000 in Magnetar Alpha Star Fund, 323,000 in Magnetar Xing He Master Fund, 152,000 in Magnetar Lake Credit Fund, and 76,000 in Magnetar Waterfront Series A Fund.
  • Reporting persons: The four reporting persons are Magnetar Financial LLC (investment adviser), Magnetar Capital Partners LP (sole member and parent of Magnetar Financial), Supernova Management LLC (general partner of Magnetar Capital Partners), and David J. Snyderman (administrative manager of Supernova Management).
  • Event date: The date of the event requiring this filing is stated as September 30, 2026.

Magnetar Financial's Position in XterAX Corp II Class A Shares

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. XterAX Corp II, the issuer, is headquartered at 1200 N. Federal Hwy, Suite 200, Boca Raton, FL 33432. The share count used to calculate the 9.20% ownership figure was drawn from the issuer's Form 10-Q filed on October 1, 2026, which reported approximately 20,650,000 Class A ordinary shares outstanding.

The filing identifies a layered ownership structure among 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, and David J. Snyderman, a United States citizen, is the administrative manager of Supernova Management LLC. All four entities share principal business offices at 1603 Orrington Avenue, 13th Floor, Evanston, Illinois 60201. Each of Magnetar Financial, Magnetar Capital Partners, and Supernova Management is organized in Delaware.

The certification language in the filing states that "the securities referred to above 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 filing was signed by Hayley Stein as attorney-in-fact for David J. Snyderman on November 13, 2026, on behalf of each of the reporting entities.

What Was Disclosed

Magnetar Financial LLC and three affiliated persons disclosed combined beneficial ownership of 1,900,000 Class A ordinary shares of XterAX Corp II, equaling approximately 9.20% of shares outstanding as of September 30, 2026, with all voting and dispositive power held on a shared basis across six Magnetar funds.