Parallax Volatility Advisers, L.P.
Position in ONCH — 1RT Acquisition Corp.
CIK 1521001
San Francisco, CA
Position in ONCH
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$126,013
+$721 QoQ
Shares Held
47,352
-0.0% QoQ
Ownership
0.220%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#65
of 71 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ONCH Over Time
Shares Held
Position Value (USD)
Position in Shell Companies
Financial Services · as of Jun 30, 2026Parallax Volatility Advisers, L.P. holds $143,532,769 across 117 Shell Companies names. ONCH ranks #65 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WENN |
WEN Acquisition Corp
|
1,067,403 | $9,678,640 | |
| 2 | KOYN |
CSLM Digital Asset Acquisition Corp III, Ltd
|
1,706,488 | $9,188,340 | |
| 3 | MESH |
Meshflow Acquisition Corp
|
1,453,661 | $7,772,154 | |
| 4 | PCAP |
ProCap Acquisition Corp
|
661,597 | $6,401,109 | |
| 5 | RDAG |
Republic Digital Acquisition Co
|
639,202 | $6,286,964 | |
| 6 | KCHV |
Kochav Defense Acquisition Corp.
|
1,169,444 | $5,649,047 | |
| 7 | CAII |
Collective Acquisition Corp. II
|
801,273 | $5,358,275 | |
| 8 | VHCP |
Vine Hill Capital Investment Corp. II
|
814,099 | $5,220,428 |
All Filings in ONCH
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 ONCHU | $126,013 | 12,187 | Shares | Sole | 2026-08-14 | |
| 2026-06-30 ONCHW | — | 35,165 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 ONCHU | $125,292 | 12,188 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 ONCHW | — | 35,165 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 ONCHW | — | 17,692 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 ONCHU | $594,165 | 56,319 | Shares | Sole | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||