Magnetar Financial LLC and affiliated reporting persons filed a Schedule 13G with the SEC on November 13, 2026, disclosing beneficial ownership of 1,800,000 Class A ordinary shares of Market Technology Acquisition Corp as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: Each reporting person is deemed to beneficially own 1,800,000 Class A ordinary shares of Market Technology Acquisition Corp, representing approximately 8.49% of shares outstanding.
  • Shares outstanding basis: The 8.49% figure is based on approximately 21,212,500 shares outstanding, as reported by the issuer in a filing dated September 3, 2026.
  • No sole voting or dispositive power: All 1,800,000 shares are held with shared voting power and shared dispositive power; sole voting and sole dispositive power are each reported as zero.
  • Four reporting persons: Magnetar Financial LLC (investment adviser), Magnetar Capital Partners LP (sole member and parent holding company), Supernova Management LLC (general partner), and David J. Snyderman (administrative manager) each filed jointly.
  • Shares distributed across eight Magnetar funds: Holdings include 504,000 shares in Constellation Master Fund, 396,000 in Structured Credit Fund, 378,000 in Alpha Star Fund, 306,000 in Xing He Master Fund, 126,000 in Lake Credit Fund, 72,000 in Waterfront Series A Fund, and 18,000 in Capital Master Fund.
  • Event date: The date of the event requiring this filing is September 30, 2026.

Magnetar Financial Discloses Shared Ownership Across Multiple Funds in Market Technology Acquisition Corp

According to the filing, Magnetar Financial LLC serves as investment adviser to the Magnetar Funds and, in that capacity, exercises voting and investment power over the shares held in those funds' accounts. The filing identifies Market Technology Acquisition Corp, a blank-check special purpose acquisition company with principal executive offices at 616 Mill Road, Rhinebeck, NY 12572, as the issuer of the Class A ordinary shares with CUSIP number G58A7W104 and par value $0.0001 per share.

The filing discloses that Magnetar Capital Partners LP is the sole member and parent holding company of Magnetar Financial LLC, while 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 four reporting persons maintain their principal business office at 1603 Orrington Avenue, 13th Floor, Evanston, Illinois 60201.

As described in the filing, the 1,800,000 shares are held across seven named Magnetar fund accounts, ranging from 18,000 shares in Magnetar Capital Master Fund Ltd to 504,000 shares in Magnetar Constellation Master Fund, Ltd. 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."

What Was Disclosed

Magnetar Financial LLC and three affiliated entities filed a Schedule 13G reporting shared beneficial ownership of 1,800,000 Class A ordinary shares of Market Technology Acquisition Corp, equal to approximately 8.49% of shares outstanding as of September 30, 2026, distributed across seven Magnetar fund accounts.