Archimedes Tech Spac PartnerATIIU
13F holders, Q4 2025 (December 31)4holders −2
0new positions
2sold out
$10.56avg. 13F price*
At the end of Q4 2025, 4 institutions reported holding Archimedes Tech Spac Partner (ATIIU) in their 13F filings, down 2 from Q3 2025. 0 opened new positions and 2 sold out. The largest holders were JPMorgan Chase & Co. ($1.1M), Clear Street Group Inc. ($784K) and Jane Street Group, LLC ($488K).
- Company
- Archimedes Tech Spac Partner
- CUSIP
- G04537117
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 2 | $940K |
All 13F filers, Q3 2025 → Q4 2025: 36,898 shares bought and 130,527 shares sold, net −93,629 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 4 holders
| JPMorgan Chase & Co. | 0.00% | Reduce -27.7% | 100,000 | $1.1M |
| Clear Street Group Inc. | 0.00% | Add +97.7% | 74,658 | $784K |
| Jane Street Group, LLC | 0.00% | Reduce -0.0% | 46,060 | $488K |
| UBS Group AG | 0.00% | Add +0.1% | 4,136 | $43K |
"% of holder's portfolio" is ATIIU's weight in each manager's 13F, not the share of Archimedes Tech Spac Partner the manager owns.