Position in ARQ
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$584,590
-$71,923 QoQ
Shares Held
228,356
+13.7% QoQ
Ownership
0.532%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#15
of 95 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 97.9054633992538.ToString("F0")%
Shared 2.0945366007462036.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ARQ Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Mar 31, 2026NORTHERN TRUST CORP holds $401,969,916 across 9 Pollution & Treatment Controls names. ARQ ranks #6 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VLTO |
Veralto Corp
|
3,396,963 | $300,359,464 | |
| 2 | ZWS |
Zurn Elkay Water Solutions Corp
|
1,677,269 | $75,208,738 | |
| 3 | CECO |
Ceco Environmental Corp
|
251,874 | $15,006,650 | |
| 4 | PCT |
PureCycle Technologies, Inc.
|
1,161,583 | $6,028,614 | |
| 5 | ERII |
Energy Recovery, Inc.
|
450,437 | $4,535,898 | |
| 6 | ARQ |
Arq, Inc.
This page
|
228,356 | $584,590 | |
| 7 | ZONE |
CleanCore Solutions, Inc.
|
441,597 | $157,208 | |
| 8 | SCWO |
374Water Inc.
|
28,185 | $80,045 |
All Filings in ARQ
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $584,590 | 228,356 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $656,513 | 200,769 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $1,699,217 | 237,321 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $1,269,692 | 236,442 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $1,030,586 | 247,143 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $1,743,484 | 230,315 | Shares | Other | 2025-02-14 | |
| 2024-09-30 | $1,179,211 | 200,888 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $383,277 | 63,143 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $357,669 | 55,196 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $147,515 | 49,502 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $86,907 | 48,825 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $68,746 | 36,961 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $73,182 | 36,961 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $89,814 | 36,961 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $100,902 | 36,961 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $145,009 | 30,919 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $195,530 | 31,436 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $222,206 | 33,566 | Shares | Defined | 2022-02-08 | |
| 2021-09-30 | $214,486 | 33,566 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $287,411 | 38,787 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $878,240 | 159,680 | Shares | Other | 2021-05-12 | |
| 2020-12-31 | $957,528 | 174,096 | Shares | Defined | 2021-02-11 | |
| 2020-09-30 | $730,275 | 179,871 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $896,502 | 184,846 | Shares | Other | 2020-08-14 | |
| 2020-03-31 | $1,287,560 | 195,976 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||