Position in ZWS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$33,401,340
-$3,485,164 QoQ
Shares Held
661,020
-19.6% QoQ
Ownership
0.396%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#42
of 435 holders
Holding Since
Dec 2021
19 quarters on record
Voting authority
Sole 84%
Shared 0%
None 16%
Common Shares in ZWS Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Jun 30, 2026BROWN ADVISORY INC holds $59,930,586 across 3 Pollution & Treatment Controls names. ZWS ranks #1 (55.7% of the industry book) .
All Filings in ZWS
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19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $33,401,340 | 661,020 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $36,886,504 | 822,625 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $63,995,575 | 1,376,545 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $74,437,059 | 1,582,757 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $64,798,636 | 1,771,907 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $63,908,279 | 1,937,789 | Shares | Defined | 2025-04-30 | |
| 2024-12-31 | $72,488,707 | 1,943,397 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $89,299,757 | 2,484,690 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $74,721,538 | 2,541,549 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $92,666,079 | 2,768,631 | Shares | Defined | 2024-04-24 | |
| 2023-12-31 | $82,275,562 | 2,797,537 | Shares | Defined | 2024-02-08 | |
| 2023-09-30 | $77,022,552 | 2,748,842 | Shares | Defined | 2023-10-25 | |
| 2023-06-30 | $74,132,449 | 2,756,878 | Shares | Defined | 2023-07-31 | |
| 2023-03-31 | $58,771,356 | 2,751,468 | Shares | Defined | 2023-05-08 | |
| 2022-12-31 | $66,624,847 | 3,150,111 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $77,933,911 | 3,180,976 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $84,850,883 | 3,114,937 | Shares | Defined | 2022-11-14 | |
| 2022-03-31 | $96,251,644 | 2,718,973 | Shares | Defined | 2022-11-14 | |
| 2021-12-31 | $75,232,756 | 2,066,834 | Shares | Defined | 2022-01-27 | |
| No filing history on record for this holder in this stock. | ||||||