Magnetar Financial LLC
Position in ATII — Archimedes Tech SPAC Partners II Co.
CIK 1352851
EVANSTON, IL
Position in ATII
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$13,533,000
+$65,000 QoQ
Shares Held
1,300,000
0.0% QoQ
Ownership
4.39%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2025
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATII Over Time
Shares Held
Position Value (USD)
Position in Shell Companies
Financial Services · as of Mar 31, 2026Magnetar Financial LLC holds $1,452,144,977 across 150 Shell Companies names. ATII ranks #36 (0.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CCXI |
Churchill Capital Corp XI
|
2,700,000 | $27,432,000 | |
| 2 | DMII |
Drugs Made In America Acquisition II Corp.
|
2,700,000 | $26,919,000 | |
| 3 | EVAC |
EQV Ventures Acquisition Corp. II
|
2,499,993 | $25,224,929 | |
| 4 | TACH |
Titan Acquisition Corp.
|
2,200,000 | $22,638,000 | |
| 5 | LPBB |
Launch Two Acquisition Corp.
|
1,980,000 | $21,027,600 | |
| 6 | SIMA |
SIM Acquisition Corp. I
|
1,945,196 | $20,852,501 | |
| 7 | LPAA |
Launch One Acquisition Corp.
|
1,945,196 | $20,833,049 | |
| 8 | RAC |
Rithm Acquisition Corp.
|
1,980,000 | $20,592,000 |
All Filings in ATII
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $13,533,000 | 1,300,000 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $13,468,000 | 1,300,000 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $13,273,000 | 1,300,000 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $13,299,000 | 1,300,000 | Shares | Sole | 2025-08-12 | |
| No filing history on record for this holder in this stock. | ||||||