Archimedes Tech SPAC Partners II Co. Ordinary Shares (ATII) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for ATII. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 49 institutions reported holding ATII, with 17.4 million shares worth $187.6 million in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Tenor Capital Management Co., | 1,367,830 | $15M | DECREASED |
| Fort Baker Capital Management | 1,330,746 | $14M | NEW |
| Magnetar Financial | 1,297,302 | $14M | DECREASED |
| D. E. Shaw | 1,138,500 | $12M | UNCHANGED |
| Decagon Asset Management | 937,829 | $10M | NEW |
Full institutional holdings, insider history, and congressional trades for Archimedes Tech SPAC Partners II Co. Ordinary Shares on SentiSense.