Which hedge funds own ERII? ENERGY RECOVERY INC, Q2 2026 13F holders
28 tracked hedge funds disclosed a position in ERII (ENERGY RECOVERY INC) in their Q2 2026 13F filings, worth $48.0m in total. The largest holder by portfolio weight is 683 Capital Management, LLC at 0.4% of its book. 10 opened a new position this quarter: Diametric Capital, LP, Y-Intercept (Hong Kong) Ltd, Prelude Capital Management, LLC, Tudor Investment Corp ET AL. 11 exited: Connective Capital Management, LLC, Fox Run Management, L.L.C., Select Equity Group, L.P..
- 28
- Holders Tracked managers whose filing for the quarter reports a long equity position in the security.
- 10
- New this quarter Holders whose previous filing (at most two quarters earlier) did not report the security.
- 11
- Exited this quarter Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
- $7.8m
- Inflow, new holders Combined value of the positions the new holders reported for the quarter.
- $16.7m
- Outflow, exits Combined value the exiting managers reported for the security in their previous filing.
- $48.0m
- Combined value Sum of the holders' reported positions in the security.
- 2.3%
- Share of managers holding Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.
Holders, Q2 2026
Exited since the previous filing
| Connective Capital Management, LLC | 0.4% | $494k |
| Fox Run Management, L.L.C. | 0.04% | $207k |
| Select Equity Group, L.P. | 0.02% | $4.0m |
| Mirabella Financial Services LLP | 0.01% | $145k |
| Trexquant Investment LP | 0.01% | $1.4m |
| Campbell & CO Investment Adviser LLC | 0.01% | $147k |
| Aquatic Capital Management LLC | 0.01% | $243k |
| Caxton Associates LLP | 0.01% | $259k |
| Arrowstreet Capital, Limited Partnership | 0.0% | $5.2m |
| Millennium Management LLC | 0.0% | $3.2m |
| Renaissance Technologies LLC | 0.0% | $1.5m |
Ownership over time
Who discovered ERII first? Beta
The run: Q3 2015 → Q3 2016, +647%
| Trigran Investments, Inc. high conviction | Q2 2019 | – | +11.1 pts |
| ACK Asset Management LLC | Q2 2022 | – | +0.5 pts |
| 683 Capital Management, LLC | Q3 2017 | – | +0.5 pts |
| EVR Research LP | Q1 2022 | – | +0.4 pts |
| Encompass Capital Advisors LLC | Q3 2017 | – | +0.1 pts |
| Rubric Capital Management LP | Q2 2017 | – | 0.0 pts |
| Alpha Wave Global, LP high conviction | Q3 2024 | – | −0.2 pts |
| Nokomis Capital, L.L.C. | Q3 2017 | – | −0.4 pts |
Split-adjusted quarter-end prices, excluding dividends. They describe the stock while each manager held it, not the return it earned.