Position in ARQ
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$819
-$959 QoQ
Shares Held
320
-41.2% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in ARQ Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Mar 31, 2026Optiver Holding B.V. holds $20,132 across 4 Pollution & Treatment Controls names. ARQ ranks #3 (4.1% of the industry book) .
All Filings in ARQ
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3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $819 | 320 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $1,778 | 544 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $3,895 | 544 | Shares | Defined | 2025-11-10 | |
| No filing history on record for this holder in this stock. | ||||||