Magnetar Financial LLC
Position in ATII — Archimedes Tech SPAC Partners II Co.
CIK 1352851
EVANSTON, IL
Position in ATII
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$13,984,915
+$451,915 QoQ
Shares Held
1,734,902
-11.0% QoQ
Ownership
5.86%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
#3
of 52 holders
Holding Since
Mar 2025
6 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 Jun 30, 2026Magnetar Financial LLC holds $1,947,232,949 across 223 Shell Companies names. ATII ranks #43 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CCXI |
Churchill Capital Corp XI
|
2,188,525 | $33,478,261 | |
| 2 | CXII |
Churchill Capital Corp XII
|
2,970,000 | $28,755,000 | |
| 3 | DMII |
Drugs Made In America Acquisition II Corp.
|
5,400,000 | $27,162,000 | |
| 4 | EVAC |
EQV Ventures Acquisition Corp. II
|
2,499,993 | $25,449,928 | |
| 5 | GCGR |
General Catalyst Global Resilience Merger Corp.
|
3,125,000 | $25,225,000 | |
| 6 | TACH |
Titan Acquisition Corp.
|
3,300,000 | $22,902,000 | |
| 7 | CAII |
Collective Acquisition Corp. II
|
3,267,000 | $21,562,200 | |
| 8 | LPBB |
Launch Two Acquisition Corp.
|
2,970,000 | $21,225,600 |
All Filings in ATII
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 ATIIW | — | 437,600 | Shares | Sole | 2026-08-14 | |
| 2026-06-30 | $13,984,915 | 1,297,302 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 ATIIW | — | 650,000 | Shares | Sole | 2026-05-13 | |
| 2026-03-31 | $13,533,000 | 1,300,000 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 ATIIW | — | 650,000 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $13,468,000 | 1,300,000 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 ATIIW | — | 650,000 | Shares | Sole | 2025-11-13 | |
| 2025-09-30 | $13,273,000 | 1,300,000 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 ATIIW | — | 650,000 | Shares | Sole | 2025-08-12 | |
| 2025-06-30 | $13,299,000 | 1,300,000 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 ATIIU | $13,091,000 | 1,300,000 | Shares | Sole | 2025-05-15 | |
| No filing history on record for this holder in this stock. | ||||||