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

Key Highlights

  • Three 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 7.83% of the class, calculated against 28,750,000 Class A Ordinary Shares outstanding as of September 24, 2026.
  • No sole voting or dispositive power: All three reporting persons reported 0 shares with sole voting power and 0 shares with sole dispositive power.
  • Shared power only: Each reporting person reported shared voting power and shared dispositive power of 2,250,000 shares.
  • Triggering date: The event requiring the filing occurred on September 30, 2026.
  • Shares held through Adage Capital Partners, L.P.: According to the filing, the Class A Ordinary Shares are directly held by Adage Capital Partners, L.P., with Adage Capital Management, L.P. acting as investment manager.

Adage Capital Management Reports Shared Stake in Inflection Point Acquisition Corp. VIII

According to the Schedule 13G filed on November 12, 2026, Adage Capital Management, L.P. ("ACM"), a Delaware limited partnership, disclosed beneficial ownership of 2,250,000 Class A Ordinary Shares, par value $0.0001 per share, of Inflection Point Acquisition Corp. VIII (CUSIP: G47918100). The filing identifies ACM as the investment manager of Adage Capital Partners, L.P. ("ACP"), which directly holds the shares. The percentage of class, 7.83%, is based on 28,750,000 Class A Ordinary Shares outstanding as of September 24, 2026, as reported in the company's Form 10-Q for the quarterly period ended June 30, 2026, filed September 28, 2026.

Robert Atchinson and Phillip Gross are each identified as reporting persons in their capacity as managing members of several affiliated entities within the Adage Capital structure. The filing states that Atchinson serves as managing member of Adage Capital Advisors, L.L.C. and Adage Capital Partners GP, L.L.C., as well as managing member of Adage Capital Partners, L.L.C., which is the general partner of ACM. Gross holds the same set of roles. Neither Atchinson nor Gross holds any sole voting or dispositive power over the reported shares; all voting and dispositive power is reported as shared among the reporting persons.

The filing states that it "should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of the securities reported herein." The filing further certifies, per Item 10, 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 issuer's principal executive offices are listed at 1680 Michigan Avenue, Suite 700 #1031, Miami Beach, FL 33139, and the reporting persons' business address is 200 Clarendon Street, 52nd Floor, Boston, Massachusetts 02116.

What Was Disclosed

Adage Capital Management, L.P., Robert Atchinson, and Phillip Gross filed a Schedule 13G reporting shared beneficial ownership of 2,250,000 Class A Ordinary Shares, representing 7.83% of Inflection Point Acquisition Corp. VIII, as of September 30, 2026.