Energy Recovery, Inc. (ERII)
Nasdaq: ERII · Special Industry Machinery, NEC · San Leandro, CA · filing with the SEC since 2008
Grade6.0
◀ Past 6.9● Present 6.2▶ Future 4.6
Who owns Energy Recovery, Inc.
As filed with the SECHolders of 5% or more
1
Amundi holds 7.03% of Common Stock, $0.001 par value, as its SCHEDULE 13G/A filed Oct 26, 2026 says.
Directors and officers
13
report now, of 31 people on the record since 2008. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 1 named at left.
Holders of 5% or moreshare of the class, as filed
Amundi
SCHEDULE 13G/A · filed Oct 26, 2026 · Common Stock, $0.001 par value · 7.77% in Jul 22, 2026
Brown Capital Management, LLC
SCHEDULE 13G/A · filed May 15, 2025 · Common Stock, $0.001 Par Value · reported falling below 5%, from 5.04% in May 15, 2025
Ameriprise Financial, Inc.
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock · reported falling below 5%, from 10% in Apr 8, 2026
Fmr LLC
SCHEDULE 13G/A · filed Feb 12, 2025 · COMMON STOCK · reported falling below 5%
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 6.35% in Apr 30, 2025
What ERII reports owning in othersstakes of 5% or more, and other ties
2 subsidiaries in 2 countries, from the list filed with the 10-K filed Feb 25, 2026.
Insider tradesForm 4
19sales
2purchases
8sales on a scheduled plan
5people selling
$3.7Msold, in dollars
$300,000bought, in dollars
Open-market trades on Form 4 from Oct 23, 2025 to Oct 23, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 23, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window7 of 32 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Hanstveit Arve | director | 7 | $3.0M | 0 | 0 | $0 |
| Yeung William | Chief Legal Officer | 8 | $400,000 | 7 | 0 | $0 |
| Clemente Rodney | SVP, Water | 3 | $300,000 | 2 | 0 | $0 |
| Buehler Alexander J | Interim President and CEO | 1 | $100,000 | 0 | 0 | $0 |
| Sabol Colin R | director | 0 | $0 | 0 | 1 | $100,000 |
| Tondreau Pamela L. | director | 0 | $0 | 0 | 1 | $200,000 |
| Ramanan Natarajan | Chief Technology Officer | 1 | $0 | 0 | 0 | $0 |