Position in ERII
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$44,640
+$23,947 QoQ
Shares Held
4,433
+189.0% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
24 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 Mar 31, 2026Tower Research Capital LLC (TRC) holds $1,738,603 across 13 Pollution & Treatment Controls names. ERII ranks #5 (2.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VLTO |
Veralto Corp
|
9,966 | $881,192 | |
| 2 | ZWS |
Zurn Elkay Water Solutions Corp
|
11,494 | $515,390 | |
| 3 | CECO |
Ceco Environmental Corp
|
2,741 | $163,308 | |
| 4 | PCT |
PureCycle Technologies, Inc.
|
18,796 | $97,550 | |
| 5 | ERII |
Energy Recovery, Inc.
This page
|
4,433 | $44,640 | |
| 6 | ARQ |
Arq, Inc.
|
5,257 | $13,457 | |
| 7 | CLIR |
ClearSign Technologies Corp
|
1,045 | $4,556 | |
| 8 | FTEK |
Fuel Tech, Inc.
|
3,211 | $3,917 |
All Filings in ERII
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $44,640 | 4,433 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $20,693 | 1,534 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $46,752 | 3,032 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $76,820 | 6,011 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $35,085 | 2,208 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $17,051 | 1,160 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $14,276 | 821 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $143,026 | 10,762 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $11,037 | 699 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $246,257 | 13,071 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $51,900 | 2,447 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $36,530 | 1,307 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $29,135 | 1,264 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $14,465 | 706 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $131,222 | 6,036 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $43,753 | 2,253 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $11,338 | 563 | Shares | Defined | 2022-05-12 | |
| 2021-12-31 | $11,862 | 552 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $21,046 | 1,106 | Shares | Other | 2021-11-15 | |
| 2021-06-30 | $36,311 | 1,594 | Shares | Other | 2021-08-16 | |
| 2021-03-31 | $73,909 | 4,030 | Shares | Other | 2021-05-17 | |
| 2020-12-31 | $80,735 | 5,919 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $351,583 | 42,876 | Shares | Other | 2020-11-16 | |
| 2020-06-30 | $60,002 | 7,895 | Shares | Defined | 2020-08-13 | |
| No filing history on record for this holder in this stock. | ||||||