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Archimedes Tech SPAC Partners II Co.

ATIIU
Exchange
Nasdaq
Industry
Blank Checks
SEC CIK
0002028516

No open-market purchases or sales by Archimedes Tech SPAC Partners II Co. insiders were filed in the last 90 days; 4 institutions reported holding it in 13F filings for Q2 2026, worth $1.32M in total; no superinvestor holds it.

Other share classesATIIATIIW

Q2 2026 vs. Q1 2026

How the institutions holding Archimedes Tech SPAC Partners II Co. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of ATIIU: Q1 2026 compared with Q2 2026
MeasureQ1 2026Q2 2026Change
Holders54−1
Shares108.4K110.4K+1.98K (+1.8%)
Value$1.18M$1.32M+$135.4K (+11.5%)

New holders (0)

Institutions that held Archimedes Tech SPAC Partners II Co. at the end of Q2 2026 but not at the end of Q1 2026.

None.

Sold out (1)

Institutions that held Archimedes Tech SPAC Partners II Co. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of ATIIU in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Glazer Capital, LLC1$0