FMR LLC filed an amended Schedule 13G with the SEC on November 5, 2026, disclosing a 15.0% beneficial ownership position in Tango Therapeutics Inc. common stock as of October 30, 2026.

Key Highlights

  • Total beneficial ownership: FMR LLC reported aggregate beneficial ownership of 25,286,624 shares of Tango Therapeutics Inc. common stock.
  • Percent of class: The 25,286,624 shares represent 15.0% of the outstanding common stock, according to the filing.
  • Sole voting power: FMR LLC reported sole voting power over 25,285,740 shares.
  • Sole dispositive power: FMR LLC reported sole dispositive power over 25,286,624 shares, with no shared dispositive power.
  • Abigail P. Johnson: Also named as a reporting person, she reported sole dispositive power over the same 25,286,624 shares and 15.0% of the class, with zero voting power listed in her own name.
  • Triggering event date: The date of the event requiring this filing was stated as October 30, 2026.
  • Ordinary course certification: The filing certifies 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."

FMR LLC and Abigail P. Johnson Disclose Ownership Details in Tango Therapeutics

According to the amended Schedule 13G filing, FMR LLC, a Delaware-organized holding company located at 245 Summer Street, Boston, Massachusetts 02210, reported aggregate beneficial ownership of 25,286,624 shares of Tango Therapeutics Inc. (NASDAQ:TNGX) common stock, representing 15.0% of the class. The filing identified the triggering event date as October 30, 2026, and was signed on November 5, 2026, by Stephanie J. Brown acting under a power of attorney on behalf of both FMR LLC and Abigail P. Johnson.

The filing lists FMR LLC as a parent holding company or control person (type "HC") and Abigail P. Johnson as an individual (type "IN"). FMR LLC reported sole voting power over 25,285,740 shares and sole dispositive power over 25,286,624 shares, with no shared voting or dispositive power. Abigail P. Johnson reported sole dispositive power over the same 25,286,624 shares, also with no shared voting or dispositive power and zero sole voting power listed in her individual capacity.

The filing noted under Item 6 that "one or more other persons are known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the COMMON STOCK of TANGO THERAPEUTICS INC," but stated that no single other person's interest exceeds five percent of the total outstanding common stock. The filing referenced Exhibit 99 for identification of the relevant subsidiaries that acquired the securities on behalf of the parent holding company.

What Was Disclosed

FMR LLC and Abigail P. Johnson filed an amended Schedule 13G disclosing combined beneficial ownership of 25,286,624 shares, equal to 15.0% of Tango Therapeutics Inc. common stock, with the triggering event dated October 30, 2026.