Position in ARQ
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$75,500
-$265,095 QoQ
Shares Held
29,608
-77.7% QoQ
Ownership
0.068%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#46
of 100 holders
Holding Since
Sep 2021
19 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ARQ Over Time
Shares Held
Position Value (USD)
Derivatives in ARQ
reported options exposure · as of Sep 30, 2025CallValue
$643,684
CallShares
89,900
PutValue
$111,696
PutShares
15,600
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, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $35,019,288 across 8 Pollution & Treatment Controls names. ARQ ranks #7 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PCT |
PureCycle Technologies, Inc.
|
2,650,847 | $21,498,368 | |
| 2 | CECO |
Ceco Environmental Corp
|
76,176 | $6,912,210 | |
| 3 | VLTO |
Veralto Corp
|
40,030 | $3,549,860 | |
| 4 | ERII |
Energy Recovery, Inc.
|
193,919 | $1,749,149 | |
| 5 | ZWS |
Zurn Elkay Water Solutions Corp
|
21,992 | $1,111,255 | |
| 6 | FTEK |
Fuel Tech, Inc.
|
35,896 | $79,330 | |
| 7 | ARQ |
Arq, Inc.
This page
|
29,608 | $75,500 | |
| 8 | SCWO |
374Water Inc.
|
22,956 | $43,616 |
All Filings in ARQ
Export CSV
32 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $75,500 | 29,608 | Shares | Other | 2026-08-14 | |
| 2026-03-31 | $340,595 | 133,045 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $189,293 | 57,888 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $282,512 | 39,457 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $111,696 | 15,600 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $643,684 | 89,900 | Call | Other | 2025-11-14 | |
| 2025-06-30 | $423,300 | 78,827 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $303,405 | 56,500 | Call | Other | 2025-08-14 | |
| 2025-06-30 | $169,155 | 31,500 | Put | Other | 2025-08-14 | |
| 2025-03-31 | $107,169 | 25,700 | Call | Other | 2025-05-14 | |
| 2025-03-31 | $106,335 | 25,500 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $243,865 | 58,481 | Shares | Other | 2025-05-14 | |
| 2024-12-31 | $403,481 | 53,300 | Call | Other | 2025-02-14 | |
| 2024-12-31 | $408,204 | 53,924 | Shares | Other | 2025-02-14 | |
| 2024-09-30 | $200,754 | 34,200 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $441,881 | 75,278 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $147,924 | 25,200 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $319,488 | 52,634 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $205,416 | 31,700 | Call | Defined | 2024-05-07 | |
| 2023-12-31 | $52,746 | 17,700 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $169,025 | 56,720 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $47,157 | 26,493 | Shares | Defined | 2023-11-14 | |
| 2023-03-31 | $137,754 | 69,573 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $130,974 | 53,899 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $150,649 | 55,183 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $47,369 | 10,100 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $275,772 | 58,800 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $307,021 | 65,463 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $932,284 | 149,885 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $723,228 | 109,249 | Shares | Defined | 2022-04-05 | |
| 2021-09-30 | $531,264 | 83,140 | Shares | Defined | 2021-11-15 | |
| 2021-09-30 | $156,555 | 24,500 | Put | Defined | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||