Ownership Summary
Quarter ending 31 Mar, 2026
Archimedes Tech SPAC Partners II Co. (NASDAQ:ATIIU) appears in 5 institutional 13F filings for the quarter ending March 2026.
- These investors collectively held 0.5% of Archimedes Tech SPAC Partners's outstanding shares in March 2026, down from 1.1% in December 2025.
- They decreased total shares held in ATIIU by -51.8% quarter over quarter, and investors in Archimedes Tech SPAC Partners decreased 88.64% from a year ago.
- Of these 5 holders, 1 added to their stakes in Archimedes Tech SPAC Partners, 3 trimmed positions, and 1 made no changes.
- The aggregate institutional position in Archimedes Tech SPAC Partners amounted to 108.39K shares as of March 2026, down by 116.47K shares quarter on quarter, and down 19.49Mn shares year over year.
- Jpmorgan Chase & Co holds the largest position in ATIIU at 50.0K shares as of March 31, 2026, or 0.25% of shares outstanding.
- Top purchasers of ATIIU stock for the quarter ending March 2026 included GLAZER CAPITAL, LLC (1).
- The largest sellers of Archimedes Tech SPAC Partners for the quarter ending March 2026 were Clear Street Group Inc. (64.66K), Jpmorgan Chase & Co (50.0K), UBS Group AG (1.81K).
- According to Business Quant data, leading holders of ATIIU for March 2026 are Jpmorgan Chase & Co (50.0K), JANE STREET GROUP, LLC (46.06K), Clear Street Group Inc. (10.0K), UBS Group AG (2.33K), GLAZER CAPITAL, LLC (1).