ENERGY RECOVERY INC (ERII) Institutional Ownership and Insiders Activity

ENERGY RECOVERY INC (ERII) is widely held by institutional investors, with 193 firms reporting positions valued at approximately $356.48M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $57.23M in ERII holdings in its latest filing.

Recent insider activity includes 5 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.