WHITEBOX ADVISORS LLC
Position in ARCI — Archimedes Tech SPAC Partners III Co.
CIK 1257391
MINNEAPOLIS, MN
Position in ARCI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,001,000
+$16,000 QoQ
Shares Held
125,000
0.0% QoQ
Ownership
0.354%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#50
of 60 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ARCI Over Time
Shares Held
Position Value (USD)
Position in Shell Companies
Financial Services · as of Jun 30, 2026WHITEBOX ADVISORS LLC holds $576,080,050 across 224 Shell Companies names. ARCI ranks #183 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VNME |
Vendome Acquisition Corp I
|
1,237,500 | $8,406,750 | |
| 2 | TACH |
Titan Acquisition Corp.
|
1,200,000 | $8,328,000 | |
| 3 | GIW |
GigCapital8 Corp.
|
1,600,000 | $8,055,200 | |
| 4 | IACO |
Idea Acquisition Corp.
|
1,063,170 | $7,902,015 | |
| 5 | FERA |
Fifth Era Acquisition Corp I
|
1,500,000 | $7,815,000 | |
| 6 | HAVA |
Harvard Ave Acquisition Corp
|
1,500,000 | $7,575,000 | |
| 7 | XCBE |
X3 Acquisition Corp. Ltd.
|
1,050,000 | $6,993,000 | |
| 8 | PONO |
Pono Capital Four, Inc.
|
1,400,000 | $6,972,000 |
All Filings in ARCI
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,001,000 | 100,000 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $985,000 | 100,000 | Shares | Sole | 2026-05-15 | |
| No filing history on record for this holder in this stock. | ||||||