Energy Recovery, Inc. (ERII) Holders & Ownership

Energy Recovery, Inc. (ERII) ownership: insiders 3% · institutions 86% · index and ETF funds 7% (13F 2026-03-31). Insider activity, 90 days: Insiders bought (3 sales, 1 open-market buys). SEC EDGAR first-party data.

Top Institutional Holders (13F, rolled up by parent)

Source: SEC Form 13F
HolderSharesMarket Value% OutstandingReported
BlackRock6090926.00$61.34M11.9%2026-03-31
Ameriprise (Columbia)5259816.00$52.97M10.3%2026-03-31
Vanguard3925109.00$39.53M7.7%2026-03-31
Amundi3740309.00$37.65M7.3%2026-03-31
FIL Ltd1987919.00$20.02M3.9%2026-03-31
Legal and General1902525.00$19.16M3.7%2026-03-31
State Street1772948.00$17.85M3.5%2026-03-31
Geode Capital Management1295108.00$13.04M2.5%2026-03-31

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-07-27
Sellnull2026-07-27
Sellnull2026-07-27
Sellnull2026-07-27
Sellnull2026-07-09
Sellnull2026-06-15
Sellnull2026-06-15
Buynull2026-06-15

Back to ERII overview · ERII earnings · All congressional trades

Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.