Adage Capital Management, L.P., along with managing members Robert Atchinson and Phillip Gross, filed a Schedule 13G with the SEC on November 12, 2026, disclosing beneficial ownership of Class A Ordinary Shares of AMR Resources Acquisition Corp. as of September 30, 2026.

Key Highlights

  • Reporting persons: Adage Capital Management, L.P., Robert Atchinson, and Phillip Gross each reported beneficial ownership of 2,250,000 Class A Ordinary Shares.
  • Ownership percentage: Each reporting person represents 8.42% of the class, based on 26,707,500 Class A Ordinary Shares outstanding as of August 27, 2026.
  • Shared voting and dispositive power: All 2,250,000 shares are reported as shared voting power and shared dispositive power, with zero sole voting or sole dispositive power for each reporting person.
  • Triggering event date: The date of the event requiring filing is stated as September 30, 2026.
  • Security class: Class A Ordinary Shares, par value $0.0001 per share, CUSIP G03456103.
  • Shares held through: According to the filing, the shares are directly held by Adage Capital Partners, L.P., with Adage Capital Management, L.P. acting as investment manager.

Adage Capital Management's Disclosed Position in AMR Resources Acquisition Corp.

According to the Schedule 13G filed November 12, 2026, Adage Capital Management, L.P. ("ACM"), a Delaware limited partnership, serves as the investment manager of Adage Capital Partners, L.P. ("ACP"), which directly holds the 2,250,000 Class A Ordinary Shares reported in the filing. The shares are those of AMR Resources Acquisition Corp., a Cayman Islands exempted company with principal offices at 71 Fort Street, PO Box 500, Grand Cayman, Cayman Islands KY1-1106.

The filing identifies Robert Atchinson and Phillip Gross as co-reporting persons in their capacities as managing members of multiple related entities in the Adage Capital organizational structure. Specifically, the filing states each serves as managing member of Adage Capital Advisors, L.L.C., managing member of Adage Capital Partners GP, L.L.C. (general partner of ACP), and managing member of Adage Capital Partners, L.L.C. (general partner of ACM). All three reporting persons report shared voting power and shared dispositive power of 2,250,000 shares, and sole voting and sole dispositive power of 0.00 shares each.

The filing states that the percentage of 8.42% is calculated based on 26,707,500 Class A Ordinary Shares outstanding as of August 27, 2026, as reported in the company's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2026, filed with the SEC on August 27, 2026. The filing includes a certification 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

Adage Capital Management, L.P., Robert Atchinson, and Phillip Gross jointly filed a Schedule 13G disclosing shared beneficial ownership of 2,250,000 Class A Ordinary Shares of AMR Resources Acquisition Corp., representing 8.42% of the class, with a triggering event date of September 30, 2026.