Position in ERII
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$169,855
+$23,075 QoQ
Shares Held
18,831
+29.2% QoQ
Ownership
0.037%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#118
of 198 holders
Holding Since
Jun 2025
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ERII Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Jun 30, 2026Aristides Capital LLC holds $1,041,105 across 2 Pollution & Treatment Controls names. ERII ranks #2 (16.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BCHT |
Birchtech Corp.
|
425,000 | $871,250 | |
| 2 | ERII |
Energy Recovery, Inc.
This page
|
18,831 | $169,855 |
All Filings in ERII
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $169,855 | 18,831 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $146,780 | 14,576 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $182,330 | 13,516 | Shares | Sole | 2026-02-26 | |
| 2025-06-30 | $255,574 | 19,998 | Shares | Sole | 2025-08-13 | |
| No filing history on record for this holder in this stock. | ||||||