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# Who owns Energy Recovery, Inc. (ERII)? Elite investor 13F holders

2 tracked elite investors reported holding Energy Recovery, Inc as of 2026-06-30, including Tudor Investment, D.E. Shaw. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

2 tracked investors currently reported holding · Latest report period: 2026-06-30 · Industrials · Capital Goods

Energy Recovery, Inc., together with its subsidiaries, designs, manufactures, and sells energy efficiency technology solutions in the United States, North, South and Latin America, the Middle East, Northern Africa, Asia, and Europe. It operates through Water and Emerging Technologies segments. The company offers high and low pressure, and ultra high-pressure exchangers; AT and LPT hydraulic…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Tudor Investment](https://ownershiptrace.com/13f/investors/94675) | ENERGY RECOVERY INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 4256583.00 USD | 471905.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/923093/0000902664-26-003485-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | ENERGY RECOVERY INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 1972737.00 USD | 218707.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | ENERGY RECOVERY INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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