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ATIIW ARCHIMEDES TECH SPAC PARTNER

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*W EXP 10/15/202 (warrant or right), issuer CIK 2028516

34 managers (34 13F filers) reported a position in ATIIW shares at 2025-09-30, 9,992,200 shares in all. 4 filers opened a position and 5 filers sold out during the quarter.

Managers
34
13F filers
34
New
4
Added
4
Reduced
8
Sold out
5
Shares held by filers
9,992,200

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, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, 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
Mint Tower Capital Management B.V.150,000$1.53M0.19%013F-HRTimeline
Harraden Circle Investments, LLCin group Harraden Circle Investments, …1,684,715$623K0.12%+644,71513F-HRTimelineGroup
TENOR CAPITAL MANAGEMENT Co., L.P.750,000$292K<0.01%013F-HRTimeline
Magnetar Financial LLCin group Magnetar Financial LLC650,000$241K<0.01%013F-HRTimelineGroup
Linden Advisors LPin group Linden Advisors LP585,196$217K<0.01%+85,19713F-HRTimelineGroup
Shaolin Capital Management LLC550,000$214K0.01%-34,60313F-HRTimeline
CSS LLC/IL532,646$208K0.01%013F-HRTimeline
AQR Arbitrage LLCin group AQR CAPITAL MANAGEMENT LLC489,691$191K<0.01%-161,92713F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…500,000$187K<0.01%013F-HRTimeline
LMR Partners LLPin group LMR Partners LLP425,000$166K<0.01%013F-HRTimelineGroup
Alberta Investment Management Corp375,000$146K<0.01%013F-HR/ATimeline
Driehaus Capital Management LLC400,000$140K<0.01%013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.287,500$108K<0.01%013F-HRTimelineGroup
K2 PRINCIPAL FUND, L.P.259,895$91K0.01%013F-HRTimeline
MOORE CAPITAL MANAGEMENT, LP225,000$87.8K<0.01%013F-HRTimeline
Periscope Capital Inc.198,600$73.5K0.02%-25,00013F-HRTimeline
Governors Lane LP197,403$73.1K0.01%013F-HRTimeline
Westchester Capital Management, LLCin group Westchester Capital Managemen…199,999$70K<0.01%013F-HRTimelineGroup
RIVERNORTH CAPITAL MANAGEMENT, LLC178,875$62.6K<0.01%new13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS161,927$59.9K<0.01%new13F-HRTimelineGroup
Clear Street Group Inc.in group Clear Street Group Inc.130,840$51K<0.01%13F-HRTimelineGroup
WHITEBOX ADVISORS LLC125,000$48.8K<0.01%013F-HRTimeline
GLAZER CAPITAL, LLCin group GLAZER CAPITAL, LLC135,048$47K<0.01%-114,89013F-HRTimelineGroup
PICTON MAHONEY ASSET MANAGEMENT125,000$47K<0.01%013F-HRTimeline
ARISTEIA CAPITAL, L.L.C.125,000$46.3K<0.01%013F-HRTimeline
Parallax Volatility Advisers, L.P.123,890$45.8K<0.01%+68,30013F-HRTimeline
Schonfeld Strategic Advisors LLC109,350$40.5K<0.01%-25,65013F-HRTimeline
Verition Fund Management LLC104,800$39.3K<0.01%+4,80013F-HRTimeline
MMCAP International Inc. SPCin group MMCAP62,500$24.4K<0.01%new13F-HRTimelineGroup
GRITSTONE ASSET MANAGEMENT LLC49,540$19.3K0.02%-46013F-HRTimeline
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…39,994$15.6K<0.01%013F-HR/ATimelineGroup
TORONTO DOMINION BANKin group TORONTO DOMINION BANK31,270$12.2K<0.01%-10013F-HRTimelineGroup
READYSTATE ASSET MANAGEMENT LP25,000$9.37K<0.01%new13F-HRTimeline
WOLVERINE ASSET MANAGEMENT LLCin group WOLVERINE ASSET MANAGEMENT LLC3,521$1.37K<0.01%-2,00013F-HRTimelineGroup