Archimedes Tech SPAC Partners II Co.

ATIIWNASDAQ

$1.150.00 (0.00% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Archimedes Tech SPAC Partners II Co. price and activity chart data

Showing the 1Y range: Jul 17, 2026 to Oct 2, 2026. Price (+91.7%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Harraden Circle Investments, LLC	Not reported	$2.48M	0.32%	Reduce 29.70%
Aristeia Capital, L.L.C.	Not reported	$1.71M	0.02%	Add 530.79%
TENOR CAPITAL MANAGEMENT Co., L.P.	Not reported	$1.64M	0.02%	Not reported
Linden Advisors LP	Not reported	$1.08M	0.01%	Not reported
Healthcare of Ontario Pension Plan Trust Fund	Not reported	$1.09M	0.00%	Not reported
AQR Arbitrage LLC	Not reported	$1.05M	0.01%	Not reported
Magnetar Financial LLC	Not reported	$954K	0.01%	Not reported
Alberta Investment Management Corp	Not reported	$821K	0.00%	Not reported
Decagon Asset Management LLP	Not reported	$726K	0.14%	New Not reported
D. E. Shaw & Co., Inc.	Not reported	$627K	0.00%	Not reported
K2 Principal Fund, L.P.	Not reported	$615K	0.05%	Add 17.02%
Moore Capital Management, LP	Not reported	$493K	0.01%	Not reported
Rivernorth Capital Management, LLC	Not reported	$324K	0.02%	Not reported
Shaolin Capital Management LLC	Not reported	$398K	0.02%	Not reported
BNP Paribas Financial Markets	Not reported	$355K	0.00%	Not reported
CSS LLC	Not reported	$332K	0.01%	Reduce 68.89%
Sculptor Capital LP	Not reported	$329K	0.00%	Not reported
Mint Tower Capital Management B.V.	Not reported	$285K	0.03%	Not reported
Whitebox Advisors LLC	Not reported	$274K	0.00%	Not reported
Alpine Global Management, LLC	Not reported	$156K	0.03%	Not reported
DLD Asset Management, LP	Not reported	$152K	0.01%	Reduce 30.60%
MMCAP International Inc. SPC	Not reported	$137K	0.01%	Not reported
Clear Street Group Inc.	Not reported	$131K	0.00%	Not reported
Susquehanna International Group, LLP	Not reported	$106K	0.00%	Not reported
Fort Baker Capital Management LP	Not reported	$90.2K	0.01%	New Not reported
Periscope Capital Inc.	Not reported	$87.6K	0.01%	Not reported
Hudson Bay Capital Management LP	Not reported	$87.2K	0.00%	Not reported
Lineage Point Capital LP	Not reported	$78.3K	0.02%	Reduce 59.21%
Centiva Capital, LP	Not reported	$68.6K	0.00%	Not reported
Schonfeld Strategic Advisors LLC	Not reported	$65.7K	0.00%	Not reported
Thomas J. Herzfeld Advisors, Inc.	Not reported	$11K	0.00%	New Not reported

End of history · 31 holders

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