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ATIIU ARCHIMEDES TECH SPAC PARTNER

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UNIT 10/15/2029 (unit), issuer CIK 2028516

4 managers (4 13F filers) reported a position in ATIIU shares at 2026-06-30, 110,365 shares in all. 0 filers opened a position and 1 filer sold out during the quarter.

Managers
4
13F filers
4
New
0
Added
1
Reduced
3
Sold out
1
Shares held by filers
110,365

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO49,000$588K<0.01%-1,00013F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC45,049$533K<0.01%-1,01113F-HRTimelineGroup
Clear Street Group Inc.in group Clear Street Group Inc.14,164$170K<0.01%+4,16413F-HRTimelineGroup
UBS Group AGin group UBS Group AG2,152$25.2K<0.01%-17513F-HRTimelineGroup