Donald Smith & Co., Inc. and DSCO Value Fund, L.P. filed a Schedule 13G with the SEC on November 13, 2026, disclosing aggregate beneficial ownership of 1,716,475 shares of Allegiant Travel Co. common stock, representing 6.3% of the class, as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: 1,716,475 shares of Allegiant Travel Co. common stock, representing 6.3% of the class as of September 30, 2026.
  • Donald Smith & Co., Inc. sole voting power: 1,639,136 shares; sole dispositive power: 1,699,806 shares.
  • DSCO Value Fund, L.P. sole voting and dispositive power: 16,669 shares each.
  • Reporting persons: Donald Smith & Co., Inc. (investment adviser, Delaware) and DSCO Value Fund, L.P. (limited partnership, Delaware).
  • Signing officer: Richard L. Greenberg, CEO and Co-CIO, signed on behalf of both reporting persons.
  • No shared voting or dispositive power is reported by either reporting person.

Donald Smith & Co. Discloses Passive 6.3% Position in Allegiant Travel

According to the Schedule 13G filed November 13, 2026, Donald Smith & Co., Inc. and DSCO Value Fund, L.P. jointly reported aggregate beneficial ownership of 1,716,475 shares of Allegiant Travel Co. (CUSIP 01748X102) common stock. The filing states that the triggering event occurred on September 30, 2026. Both entities are organized in Delaware; Donald Smith & Co., Inc. is classified as an investment adviser (IA), and DSCO Value Fund, L.P. is classified as a limited partnership (PN). The filing was signed by Richard L. Greenberg as CEO and Co-CIO for both reporting persons.

The filing breaks down ownership between the two entities as follows: Donald Smith & Co., Inc. holds sole voting power over 1,639,136 shares and sole dispositive power over 1,699,806 shares, while DSCO Value Fund, L.P. holds sole voting and sole dispositive power over 16,669 shares each. Neither entity reports any shared voting or shared dispositive power. The aggregate amount beneficially owned by each reporting person is listed as 1,716,475 shares, representing 6.32% of the class, according to the filing.

The filing states that Donald Smith & Co., Inc. "does not serve as custodian of the assets of any of its clients" and that "the ultimate power to direct the receipt of dividends paid with respect to, and the proceeds from the sale of, such securities, is vested in the institutional clients which Donald Smith & Co., Inc. serves as investment advisor." The filing further certifies, per the standard Schedule 13G language, that the securities "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

Donald Smith & Co., Inc. and DSCO Value Fund, L.P. disclosed a combined 1,716,475-share beneficial ownership position in Allegiant Travel Co. common stock, equal to 6.3% of the class, as of September 30, 2026, via a Schedule 13G filed November 13, 2026.