ARCHIMEDES TECH SPAC PARTNER

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ATII·G04537109·US·Common Stock·Financial Services - Shell Companies-13D/G

ATII (ARCHIMEDES TECH SPAC PARTNER) is held by 25 institutional investors as of Q2 2026. Largest holders: Magnetar Financial LLC ($14M), D. E. Shaw & Co., Inc. ($12.3M), LINDEN ADVISORS LP ($9.1M). Net institutional sentiment: Bearish.

25

Holders

(1 Elite)

$86M

Total Value

21% (24)

Consensus

5 buying - 19 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)61

Insider (Form 4)56

Activist (13D/13G)25

Congressional (STOCK Act)33

Holder Quality

86

★★★★★

Elite

24

★★★★

Strong

14

★★★

Solid

52

★★

Below

25

★

Weak

Held by 25 funds

1 elite

Who's Trading

Source dates: Price Oct 13, 2026 · Insiders none · Activists Feb 11, 2026 · Congress none

ActivistBarclays PLC3.9%Feb 11, 2026

View all activist filings

Top Holders

Top Holders (25)History

AllNewIncreasedHeldDecreasedExitedFirst report

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
Magnetar Financial LLC	Decreased	1.3M(-0.2%)	$14M	0.1%	+2.76%	0
DED. E. Shaw & Co., Inc.	Unchanged	1.1M	$12.3M	0.0%	+2.75%	0
LALINDEN ADVISORS LP	Decreased	848,273(-15.2%)	$9.1M	0.0%	+3.40%	0
TWO SIGMA INVESTMENTS, LP	Unchanged	725,000	$7.8M	0.0%	+2.75%	0
Hudson Bay Capital Management LP	Unchanged	700,000	$7.5M	0.0%	+2.75%	0
Sculptor Capital LP	Decreased	552,619(-8.0%)	$6M	0.0%	+3.07%	0
LMR Partners LLP	Decreased	478,978(-43.6%)	$5.2M	0.0%	+4.59%	0
MOORE CAPITAL MANAGEMENT, LP	Unchanged	450,000	$4.9M	0.1%	+2.75%	0
Alberta Investment Management Corp	Decreased	400,000(-46.7%)	$4.3M	0.0%	+4.59%	0
CITADEL ADVISORS LLC	Increased	250,266(+2311.7%)	$2.7M	0.0%	-1.96%	42
GOLDMAN SACHS GROUP INC	Decreased	205,090(-37.4%)	$2.2M	0.0%	+3.99%	0
Jain Global LLC	Decreased	185,108(-63.0%)	$2M	0.0%	+4.59%	0
Verition Fund Management LLC	Decreased	140,797(-39.2%)	$1.5M	0.0%	+4.59%	0
TUDOR INVESTMENT CORP ET AL	New	123,842	$1.3M	0.0%	-0.74%	35
CANTOR FITZGERALD, L. P.	New	88,283	$951,691	0.0%	-0.74%	35
TORONTO DOMINION BANK	Decreased	82,550(-87.3%)	$889,889	0.0%	-25.63%	0
Baird Financial Group, Inc.	Unchanged	78,500	$846,230	0.0%	+1.84%	0
MILLENNIUM MANAGEMENT LLC	Decreased	69,384(-77.5%)	$747,960	0.0%	+4.78%	0
Schonfeld Strategic Advisors LLC	Decreased	50,000(-71.2%)	$539,000	0.0%	+4.59%	0
HRT FINANCIAL LP	New	47,190	$508,000	0.0%	-0.74%	33

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ATIIARCHIMEDES TECH SPAC PARTNER

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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer