Position in ARQ
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$486,118
+$243,406 QoQ
Shares Held
189,890
+155.8% QoQ
Ownership
0.442%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#19
of 95 holders
Holding Since
Jun 2021
10 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ARQ Over Time
Shares Held
Position Value (USD)
Derivatives in ARQ
reported options exposure · as of Mar 31, 2026CallValue
$29,440
CallShares
11,500
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 Mar 31, 2026JANE STREET GROUP, LLC holds $26,287,761 across 5 Pollution & Treatment Controls names. ARQ ranks #4 (1.8% of the industry book) .
All Filings in ARQ
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $486,118 | 189,890 | Shares | Defined | 2026-05-12 | |
| 2026-03-31 | $29,440 | 11,500 | Call | Defined | 2026-05-12 | |
| 2025-12-31 | $242,712 | 74,224 | Shares | Defined | 2026-02-12 | |
| 2025-12-31 | $43,164 | 13,200 | Call | Defined | 2026-02-12 | |
| 2025-09-30 | $245,588 | 34,300 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $764,715 | 106,804 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $93,373 | 17,388 | Shares | Defined | 2025-08-14 | |
| 2024-09-30 | $178,659 | 30,436 | Shares | Defined | 2024-11-15 | |
| 2024-06-30 | $80,098 | 13,196 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $425,022 | 65,590 | Shares | Defined | 2024-05-16 | |
| 2023-12-31 | $30,920 | 10,376 | Shares | Defined | 2024-02-15 | |
| 2023-06-30 | $21,265 | 11,433 | Shares | Defined | 2023-08-14 | |
| 2021-06-30 | $186,895 | 25,222 | Shares | Defined | 2021-08-16 | |
| No filing history on record for this holder in this stock. | ||||||