Position in ZWS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$2,207,553
-$21,140,768 QoQ
Shares Held
43,688
-91.6% QoQ
Ownership
0.026%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#158
of 434 holders
Holding Since
Jun 2020
23 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ZWS Over Time
Shares Held
Position Value (USD)
Derivatives in ZWS
reported options exposure · as of Jun 30, 2025CallValue
$285,246
CallShares
7,800
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Pollution & Treatment Controls
Industrials · as of Jun 30, 2026JANE STREET GROUP, LLC holds $6,391,909 across 9 Pollution & Treatment Controls names. ZWS ranks #1 (34.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ZWS |
Zurn Elkay Water Solutions Corp
This page
|
43,688 | $2,207,553 | |
| 2 | ARQ |
Arq, Inc.
|
509,225 | $1,298,523 | |
| 3 | ADUR |
Aduro Clean Technologies Inc.
|
73,490 | $1,158,202 | |
| 4 | ZONE |
CleanCore Solutions, Inc.
|
731,844 | $600,111 | |
| 5 | VLTO |
Veralto Corp
|
5,206 | $461,667 | |
| 6 | ERII |
Energy Recovery, Inc.
|
41,585 | $375,096 | |
| 7 | FTEK |
Fuel Tech, Inc.
|
109,483 | $241,957 | |
| 8 | CLWT |
Euro Tech Holdings Co Ltd
|
21,230 | $36,302 |
All Filings in ZWS
Export CSV
29 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,207,553 | 43,688 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $23,348,321 | 520,703 | Shares | Defined | 2026-05-12 | |
| 2025-12-31 | $287,772 | 6,190 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $8,460,320 | 179,892 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $285,246 | 7,800 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $2,805,065 | 76,704 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $1,667,963 | 50,575 | Shares | Defined | 2025-05-19 | |
| 2025-03-31 | $257,244 | 7,800 | Call | Defined | 2025-05-19 | |
| 2024-09-30 | $3,288,041 | 91,487 | Shares | Defined | 2024-11-15 | |
| 2024-06-30 | $6,102,028 | 207,552 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $2,585,490 | 77,248 | Shares | Defined | 2024-05-16 | |
| 2023-12-31 | $3,587,137 | 121,970 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $1,070,587 | 38,208 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $1,164,605 | 43,310 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $891,651 | 41,744 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $860,127 | 40,668 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $572,197 | 23,355 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $1,612,825 | 59,208 | Shares | Defined | 2022-08-16 | |
| 2022-03-31 | $875,088 | 24,720 | Shares | Defined | 2022-05-17 | |
| 2021-09-30 RXN | — | 13,806 | Shares | Defined | 2021-11-16 | |
| 2021-06-30 RXN | — | 39,199 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 RXN | — | 9,769 | Shares | Defined | 2021-05-18 | |
| 2021-03-31 RXN | — | 6,800 | Call | Defined | 2021-05-18 | |
| 2020-12-31 RXN | — | 7,829 | Shares | Defined | 2021-02-17 | |
| 2020-12-31 RXN | — | 22,000 | Put | Defined | 2021-02-17 | |
| 2020-12-31 RXN | — | 5,900 | Call | Defined | 2021-02-17 | |
| 2020-09-30 RXN | — | 7,400 | Put | Defined | 2020-11-17 | |
| 2020-09-30 RXN | — | 27,700 | Call | Defined | 2020-11-17 | |
| 2020-06-30 RXN | — | 16,841 | Shares | Defined | 2020-08-17 | |
| No filing history on record for this holder in this stock. | ||||||