Position in ARQ
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$13,457
-$1,028 QoQ
Shares Held
5,257
+18.7% QoQ
Ownership
0.012%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ARQ Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Mar 31, 2026Tower Research Capital LLC (TRC) holds $1,738,603 across 13 Pollution & Treatment Controls names. ARQ ranks #6 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VLTO |
Veralto Corp
|
9,966 | $881,192 | |
| 2 | ZWS |
Zurn Elkay Water Solutions Corp
|
11,494 | $515,390 | |
| 3 | CECO |
Ceco Environmental Corp
|
2,741 | $163,308 | |
| 4 | PCT |
PureCycle Technologies, Inc.
|
18,796 | $97,550 | |
| 5 | ERII |
Energy Recovery, Inc.
|
4,433 | $44,640 | |
| 6 | ARQ |
Arq, Inc.
This page
|
5,257 | $13,457 | |
| 7 | CLIR |
ClearSign Technologies Corp
|
1,045 | $4,556 | |
| 8 | FTEK |
Fuel Tech, Inc.
|
3,211 | $3,917 |
All Filings in ARQ
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $13,457 | 5,257 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $14,485 | 4,430 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $15,981 | 2,232 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $29,760 | 5,542 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $39,131 | 9,384 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $18,553 | 2,451 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $34,080 | 5,806 | Shares | Other | 2024-11-14 | |
| 2024-03-31 | $17,580 | 2,713 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $8,785 | 2,948 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $1,448 | 814 | Shares | Other | 2023-11-14 | |
| 2023-03-31 | $18,516 | 9,352 | Shares | Other | 2023-05-09 | |
| 2022-12-31 | $12,762 | 5,252 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $18,495 | 6,775 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $51 | 11 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $3,663 | 589 | Shares | Defined | 2022-05-12 | |
| 2021-12-31 | $1,939 | 293 | Shares | Defined | 2022-02-14 | |
| 2021-06-30 | $21,733 | 2,933 | Shares | Other | 2021-08-16 | |
| 2021-03-31 | $16,115 | 2,930 | Shares | Other | 2021-05-17 | |
| 2020-12-31 | $30,948 | 5,627 | Shares | Other | 2021-02-16 | |
| 2020-09-30 | $73,916 | 18,206 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $19,806 | 4,084 | Shares | Other | 2020-08-13 | |
| 2020-03-31 | $1,734 | 264 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||