AllianceBernstein L.P. Increases Stake in Amplitude Inc to 0.3%

AllianceBernstein L.P. filed a Schedule 13G/A on May 18, 2026, disclosing an increased position in Amplitude Inc (AMPL). As of the event date on March 31, 2026, the investment adviser reported beneficial ownership of 317,618 shares of common stock, representing 0.3% of the class. This reflects an increase from a previous ownership level of 0.0%. The filing indicates that AllianceBernstein L.P. holds sole voting power over 315,918 shares and sole dispositive power over the full 317,618 shares. These securities were acquired in the ordinary course of business for client discretionary investment advisory accounts and were not intended to influence or change the control of the issuer. AllianceBernstein L.P. is a majority-owned subsidiary of Equitable Holdings, Inc. (EQH) but operates under independent management and reports its beneficial ownership separately. The filing confirms the firm's aggregate ownership remains well below the 5% threshold, as indicated by the 'Y' flag in Item 5 regarding ownership of 5% or less.