Archimedes Tech Spac PartnerATIIU
13F holders, Q1 2026 (March 31)5holders +1
1new positions
0sold out
$10.89avg. 13F price*
At the end of Q1 2026, 5 institutions reported holding Archimedes Tech Spac Partner (ATIIU) in their 13F filings, up 1 from Q4 2025. 1 opened new positions and 0 sold out. The largest holders were JPMorgan Chase & Co. ($545K), Jane Street Group, LLC ($502K) and Clear Street Group Inc. ($109K).
- Company
- Archimedes Tech Spac Partner
- CUSIP
- G04537117
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $0 |
| Exits | 0 | $0 |
All 13F filers, Q4 2025 → Q1 2026: 1 shares bought and 116,467 shares sold, net −116,466 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 5 holders
| JPMorgan Chase & Co. | 0.00% | Reduce -50.0% | 50,000 | $545K |
| Jane Street Group, LLC | 0.00% | No change | 46,060 | $502K |
| Clear Street Group Inc. | 0.00% | Reduce -86.6% | 10,000 | $109K |
| UBS Group AG | 0.00% | Reduce -43.7% | 2,327 | $24K |
| Glazer Capital, LLC | 0.00% | New | 1 | $0 |
"% of holder's portfolio" is ATIIU's weight in each manager's 13F, not the share of Archimedes Tech Spac Partner the manager owns.