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ATIIW ARCHIMEDES TECH SPAC PARTNER

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

32 managers (32 13F filers) reported a position in ATIIW shares at 2026-06-30, 8,366,999 shares in all. 7 filers opened a position and 11 filers sold out during the quarter.

Managers
32
13F filers
32
New
7
Added
4
Reduced
11
Sold out
11
Shares held by filers
8,366,999

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
Harraden Circle Investments, LLC1,131,600$2.48M0.32%-478,11513F-HRTimeline
ARISTEIA CAPITAL, L.L.C.788,491$1.71M0.03%+663,49113F-HRTimeline
TENOR CAPITAL MANAGEMENT Co., L.P.750,000$1.64M0.02%013F-HRTimeline
LMR Partners LLPin group LMR Partners LLP613,701$1.34M0.01%+188,70113F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…500,000$1.09M<0.01%013F-HRTimeline
Linden Advisors LPin group Linden Advisors LP504,138$1.08M0.01%-356,82413F-HRTimelineGroup
AQR Arbitrage LLCin group AQR CAPITAL MANAGEMENT LLC481,366$1.05M0.01%+2,15813F-HRTimelineGroup
Magnetar Financial LLCin group Magnetar Financial LLC437,600$954K0.01%-212,40013F-HRTimelineGroup
Alberta Investment Management Corp375,000$821K<0.01%013F-HRTimeline
Decagon Asset Management LLP331,302$726K0.14%new13F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.287,500$627K<0.01%013F-HRTimelineGroup
K2 PRINCIPAL FUND, L.P.280,718$615K0.06%+40,82313F-HRTimeline
MOORE CAPITAL MANAGEMENT, LP225,000$493K0.01%013F-HRTimeline
Shaolin Capital Management LLC181,640$398K0.02%-318,36013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS161,927$355K<0.01%013F-HRTimelineGroup
CSS LLC/IL151,718$332K0.01%-335,90113F-HRTimeline
Sculptor Capital LPin group Sculptor Capital LP150,200$329K<0.01%new13F-HRTimelineGroup
RIVERNORTH CAPITAL MANAGEMENT, LLC224,942$324K0.02%013F-HRTimeline
Mint Tower Capital Management B.V.130,000$285K0.03%-20,00013F-HRTimeline
WHITEBOX ADVISORS LLC125,000$274K<0.01%013F-HRTimeline
Alpine Global Management, LLC71,039$156K0.03%new13F-HRTimeline
DLD Asset Management, LP69,400$152K0.01%-30,60013F-HRTimeline
MMCAP International Inc. SPCin group MMCAP62,500$137K0.01%013F-HRTimelineGroup
Clear Street Group Inc.in group Clear Street Group Inc.60,000$131K<0.01%-93,61913F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…48,825$106K<0.01%new13F-HRTimelineGroup
Fort Baker Capital Management LP41,177$90.2K0.01%new13F-HRTimeline
Periscope Capital Inc.40,000$87.6K0.01%-158,60013F-HRTimeline
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…39,994$87.2K<0.01%013F-HRTimelineGroup
Lineage Point Capital LP35,771$78.3K0.02%-51,91613F-HRTimeline
Centiva Capital, LP31,450$68.6K<0.01%new13F-HRTimeline
Schonfeld Strategic Advisors LLC30,000$65.7K<0.01%-52,19213F-HRTimeline
Thomas J. Herzfeld Advisors, Inc.5,000$10.9K<0.01%new13F-HRTimeline