Ameriprise Financial Reports 10% Stake in Energy Recovery, Inc. (ERII)

On April 8, 2026, Ameriprise Financial, Inc. (AFI) filed a Schedule 13G/A reporting a significant ownership stake in Energy Recovery, Inc. (ERII). As of the event date of March 31, 2026, Ameriprise Financial and its affiliated entities, collectively referred to as the 'Ameriprise Entities,' beneficially own 5,259,816 shares of ERII common stock. This represents a 10.0% ownership interest in the company. The filing indicates that AFI, as the parent holding company, may be deemed to beneficially own these shares through its various subsidiaries, including TAM UK International Holdings Limited, Threadneedle Asset Management Limited, and Threadneedle Management Luxembourg S.A. Notably, CT (Lux) American Smaller Companies, a sub-fund of Columbia Threadneedle (Lux) I SICAV, is identified as a major holder within the group, owning 2,761,541 shares (5.2%). The reporting persons stated that the securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. This filing marks a significant increase from previous reporting where the ownership percentage was listed as 0.0%.