Position in ZWS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$2,966,666
-$4,482,288 QoQ
Shares Held
58,711
-64.7% QoQ
Ownership
0.035%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#132
of 432 holders
Holding Since
Mar 2020
25 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 Sep 30, 2025CallValue
$559,657
CallShares
11,900
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, 2026CITADEL ADVISORS LLC holds $144,420,153 across 12 Pollution & Treatment Controls names. ZWS ranks #4 (2.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VLTO |
Veralto Corp
|
1,350,356 | $119,749,569 | |
| 2 | CECO |
Ceco Environmental Corp
|
160,872 | $14,597,524 | |
| 3 | ERII |
Energy Recovery, Inc.
|
476,236 | $4,295,648 | |
| 4 | ZWS |
Zurn Elkay Water Solutions Corp
This page
|
58,711 | $2,966,666 | |
| 5 | PCT |
PureCycle Technologies, Inc.
|
233,963 | $1,897,439 | |
| 6 | ARQ |
Arq, Inc.
|
163,201 | $416,161 | |
| 7 | ZONE |
CleanCore Solutions, Inc.
|
216,509 | $177,536 | |
| 8 | TOMZ |
TOMI Environmental Solutions, Inc.
|
36,250 | $89,175 |
All Filings in ZWS
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,966,666 | 58,711 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $7,448,954 | 166,123 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $8,813,248 | 189,573 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $9,582,362 | 203,750 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $559,657 | 11,900 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $255,990 | 7,000 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $1,100,757 | 30,100 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $3,871,958 | 105,878 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $69,258 | 2,100 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $8,013,743 | 242,988 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $979,506 | 29,700 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $514,740 | 13,800 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $1,976,900 | 53,000 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $133,608 | 3,582 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $2,842,854 | 79,100 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $1,547,072 | 43,046 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $111,414 | 3,100 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $8,118,515 | 276,140 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $105,840 | 3,600 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $1,102,500 | 37,500 | Call | Defined | 2024-08-14 | |
| 2024-03-31 | $1,462,639 | 43,700 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $261,066 | 7,800 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $523,498 | 17,800 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $1,046,996 | 35,600 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $611,845 | 20,804 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $647,262 | 23,100 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $1,678,398 | 59,900 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $3,578,881 | 127,726 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $548,556 | 20,400 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $2,280,272 | 84,800 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $10,037,015 | 373,262 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,302,960 | 61,000 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $160,200 | 7,500 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $15,673,711 | 733,788 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $86,715 | 4,100 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $16,920 | 800 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $734,390 | 34,723 | Shares | Defined | 2023-02-14 | |
| 2022-06-30 | $969,579 | 35,594 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $4,883,889 | 137,963 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $261,960 | 7,400 | Call | Defined | 2022-05-16 | |
| 2021-12-31 | $535,080 | 14,700 | Call | Defined | 2022-02-14 | |
| 2021-12-31 | $16,388,407 | 450,231 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 RXN | — | 4,800 | Call | Defined | 2021-11-15 | |
| 2021-09-30 RXN | — | 17,411 | Shares | Defined | 2021-11-15 | |
| 2021-09-30 RXN | — | 7,800 | Put | Defined | 2021-11-15 | |
| 2021-06-30 RXN | — | 4,600 | Put | Defined | 2021-08-16 | |
| 2021-06-30 RXN | — | 850,753 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 RXN | — | 9,200 | Call | Defined | 2021-08-16 | |
| 2021-03-31 RXN | — | 6,800 | Put | Defined | 2021-05-21 | |
| 2021-03-31 RXN | — | 671,821 | Shares | Defined | 2021-05-21 | |
| No filing history on record for this holder in this stock. | ||||||