Position in PCT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$51,900
-$190,355 QoQ
Shares Held
10,000
-64.5% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2025
4 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in PCT Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Mar 31, 2026Round Rock Advisors LLC holds $773,725 across 3 Pollution & Treatment Controls names. PCT ranks #3 (6.7% of the industry book) .
All Filings in PCT
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $51,900 | 10,000 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $242,255 | 28,202 | Shares | Sole | 2026-04-07 | |
| 2025-09-30 | $344,858 | 26,225 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $274,000 | 20,000 | Shares | Sole | 2025-08-06 | |
| No filing history on record for this holder in this stock. | ||||||