Position in ZWS
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$8,583,025
+$3,554,668 QoQ
Shares Held
169,860
+51.5% QoQ
Ownership
0.102%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
#77
of 435 holders
Holding Since
Sep 2021
6 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, 2026ALGERT GLOBAL LLC holds $9,962,892 across 3 Pollution & Treatment Controls names. ZWS ranks #1 (86.1% of the industry book) .
All Filings in ZWS
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5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $8,583,025 | 169,860 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $5,028,357 | 112,140 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $3,342,166 | 71,890 | Shares | Sole | 2026-02-17 | |
| 2024-06-30 | $432,709 | 14,718 | Shares | Sole | 2024-08-15 | |
| 2023-03-31 | $702,637 | 32,895 | Shares | Sole | 2023-05-12 | |
| No filing history on record for this holder in this stock. | ||||||