Position in ZWS
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$11,148,613
+$825,139 QoQ
Shares Held
248,631
+12.0% QoQ
Ownership
0.149%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2021
18 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ZWS Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Mar 31, 2026SEI INVESTMENTS CO holds $53,232,893 across 5 Pollution & Treatment Controls names. ZWS ranks #2 (20.9% of the industry book) .
All Filings in ZWS
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18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $11,148,613 | 248,631 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $10,323,474 | 222,058 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $9,550,710 | 203,077 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $7,035,958 | 192,397 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $6,381,035 | 193,482 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $7,238,214 | 194,054 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $6,804,052 | 189,317 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $6,208,779 | 211,183 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $6,362,713 | 190,102 | Shares | Sole | 2024-05-07 | |
| 2023-12-31 | $5,743,536 | 195,292 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $10,935,084 | 390,260 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $8,470,779 | 315,016 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $5,647,882 | 264,414 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $3,688,136 | 174,380 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $11,709,309 | 477,931 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $11,173,003 | 410,169 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $6,052,054 | 170,962 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $5,312,069 | 145,936 | Shares | Defined | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||