Old West Investment Management, LLC
Position in ERII — Energy Recovery, Inc.
CIK 1549358
Los Angeles, CA
Position in ERII
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$470,027
-$203,717 QoQ
Shares Held
46,676
-6.5% QoQ
Ownership
0.091%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2025
5 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ERII Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Mar 31, 2026Old West Investment Management, LLC holds $470,027 across 1 Pollution & Treatment Controls name. ERII ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ERII |
Energy Recovery, Inc.
This page
|
46,676 | $470,027 |
All Filings in ERII
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $470,027 | 46,676 | Shares | Sole | 2026-05-12 | |
| 2025-12-31 | $673,744 | 49,944 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $672,281 | 43,598 | Shares | Sole | 2025-11-05 | |
| 2025-06-30 | $531,354 | 41,577 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $663,280 | 41,742 | Shares | Sole | 2025-05-14 | |
| No filing history on record for this holder in this stock. | ||||||