Position in ZWS
as of Jun 30, 2026
· filed Aug 10, 2026
Position Value
$573,111
+$60,994 QoQ
Shares Held
11,342
-0.7% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#236
of 432 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ZWS Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Jun 30, 2026GREAT LAKES ADVISORS, LLC holds $8,655,673 across 4 Pollution & Treatment Controls names. ZWS ranks #2 (6.6% of the industry book) .
All Filings in ZWS
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8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $573,111 | 11,342 | Shares | Other | 2026-08-10 | |
| 2026-03-31 | $512,117 | 11,421 | Shares | Sole | 2026-05-12 | |
| 2025-12-31 | $441,562 | 9,498 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $371,913 | 7,908 | Shares | Sole | 2025-11-03 | |
| 2025-06-30 | $308,175 | 8,427 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $209,225 | 6,344 | Shares | Sole | 2025-05-16 | |
| 2024-12-31 | $281,242 | 7,540 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $302,003 | 8,403 | Shares | Sole | 2024-11-04 | |
| No filing history on record for this holder in this stock. | ||||||