Pfizer Inc. has filed a Form 13F-HR with the Securities and Exchange Commission, disclosing its equity securities portfolio as of September 30, 2026. The filing lists a total of 20 positions held by the pharmaceutical company.

The largest holding disclosed in the portfolio is Allogene Therapeutics Inc., for which Pfizer holds 36,352,866 shares. Other significant positions include Pyxis Oncology Inc., with 17,023,472 shares, and Arvinas Inc., with 26,244,816 shares. The filing also lists holdings in various other biotechnology and healthcare companies, including Caribou Biosciences, Celcuity, and Oricon Pharmaceuticals.

Specific details regarding the voting rights and sole or discretionary authority for each holding are provided in the accompanying information table. The filing was signed by Madelyn D. Purcell, Assistant General Counsel for Pfizer.