Position in ERII
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$1,452,748
+$63,481 QoQ
Shares Held
144,265
+40.1% QoQ
Ownership
0.280%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
15 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, 2026RENAISSANCE TECHNOLOGIES LLC holds $144,514,719 across 6 Pollution & Treatment Controls names. ERII ranks #3 (1.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VLTO |
Veralto Corp
|
1,392,100 | $123,089,482 | |
| 2 | ZWS |
Zurn Elkay Water Solutions Corp
|
384,793 | $17,254,118 | |
| 3 | ERII |
Energy Recovery, Inc.
This page
|
144,265 | $1,452,748 | |
| 4 | ARQ |
Arq, Inc.
|
410,570 | $1,051,059 | |
| 5 | ZONE |
CleanCore Solutions, Inc.
|
2,557,895 | $910,610 | |
| 6 | PCT |
PureCycle Technologies, Inc.
|
145,800 | $756,702 |
All Filings in ERII
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,452,748 | 144,265 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $1,389,267 | 102,985 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $857,352 | 55,600 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $1,803,258 | 141,100 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $3,837,435 | 241,500 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $2,798,880 | 190,400 | Shares | Sole | 2025-02-13 | |
| 2024-03-31 | $2,557,980 | 162,000 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $1,870,812 | 99,300 | Shares | Sole | 2024-02-13 | |
| 2022-09-30 | $1,076,130 | 49,500 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,741,974 | 89,700 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $2,799,460 | 139,000 | Shares | Sole | 2022-05-13 | |
| 2021-09-30 | $477,653 | 25,100 | Shares | Sole | 2021-11-12 | |
| 2021-03-31 | $282,436 | 15,400 | Shares | Sole | 2021-05-13 | |
| 2020-06-30 | $256,120 | 33,700 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $506,664 | 68,100 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||