BlackRock, Inc. filed a Schedule 13G with the SEC on October 27, 2026, disclosing beneficial ownership of common stock in Allison Transmission Holdings Inc. as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: BlackRock reported beneficial ownership of 7,651,817 shares of Allison Transmission Holdings Inc. common stock.
  • Percent of class: The filing states the reported shares represent 9.3% of the outstanding class.
  • Sole voting power: BlackRock disclosed sole voting power over 7,419,339 shares, with zero shares subject to shared voting power.
  • Sole dispositive power: BlackRock reported sole dispositive power over all 7,651,817 shares, with no shared dispositive power.
  • Event date: The date of event requiring the filing is listed as September 30, 2026.
  • Filer classification: BlackRock is identified in the filing as a parent holding company (type "HC"), incorporated in Delaware.

BlackRock's Schedule 13G Filing on Allison Transmission Common Stock

According to the Schedule 13G filed on October 27, 2026, BlackRock, Inc., headquartered at 50 Hudson Yards, New York, NY 10001, disclosed beneficial ownership of 7,651,817 shares of common stock (CUSIP 01973R101) of Allison Transmission Holdings Inc., whose principal executive offices are listed at One Allison Way, Indianapolis, IN 46222. The filing indicates the triggering event date was September 30, 2026.

The filing states that BlackRock holds sole voting power over 7,419,339 shares and sole dispositive power over the full 7,651,817 shares, with shared voting and shared dispositive power each reported as zero. The filing notes, in accordance with SEC Release No. 34-39538 (January 12, 1998), that the Schedule 13G "reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the 'Reporting Business Units') of BlackRock, Inc. and its subsidiaries and affiliates," and does not include securities potentially held by other business units whose beneficial ownership is disaggregated under that release.

Regarding dividends and proceeds, the filing states that "various persons 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 Allison Transmission Holdings Inc.," but adds that "no one person's interest in the common stock of Allison Transmission Holdings Inc. is more than five percent of the total outstanding common shares." The filing was signed by Spencer Fleming, Managing Director of BlackRock, Inc., on October 27, 2026. Exhibit 99 to the filing identifies the relevant subsidiaries per Item 7 of the schedule.

What Was Disclosed

BlackRock, Inc. disclosed through a Schedule 13G that, as of September 30, 2026, it beneficially owned 7,651,817 shares of Allison Transmission Holdings Inc. common stock, equal to 9.3% of the class, with sole dispositive power over all reported shares.