Archimedes Tech SPAC Partners III Co.

ARCINASDAQ

$10.080.00 (0.00%)as of Oct 5, 2026

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 III Co. price and activity chart data

Showing the 1Y range: Mar 16, 2026 to Oct 5, 2026. Price (+2.3%). 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
Adage Capital Partners GP, L.L.C.	23.49%	$18M	0.03%	Not reported
Linden Advisors LP	15.66%	$12M	0.06%	Not reported
Magnetar Financial LLC	15.66%	$12M	0.11%	Not reported
Governors Lane LP	14.96%	$11.5M	0.96%	Add 14.66%
TENOR CAPITAL MANAGEMENT Co., L.P.	13.05%	$10M	0.14%	Not reported
Alberta Investment Management Corp	13.05%	$10M	0.06%	Not reported
Verition Fund Management LLC	10.64%	$8.16M	0.04%	Not reported
Sona Asset Management (Us) LLC	10.44%	$8.01M	0.17%	Not reported
AQR Arbitrage LLC	9.89%	$7.58M	0.11%	Not reported
Healthcare of Ontario Pension Plan Trust Fund	7.18%	$5.51M	0.01%	Not reported
Shaolin Capital Management LLC	6.66%	$5.11M	0.24%	Not reported
Radcliffe Capital Management, L.P.	6.59%	$5.05M	0.38%	Not reported
Polar Asset Management Partners Inc.	6.53%	$5.01M	0.08%	Not reported
Rivernorth Capital Management, LLC	6.53%	$5.09M	0.24%	Not reported
Moore Capital Management, LP	6.53%	$5.01M	0.07%	Not reported
Glazer Capital, LLC	6.48%	$4.97M	0.12%	Not reported
BNP Paribas Financial Markets	6.43%	$4.93M	0.00%	Not reported
D. E. Shaw & Co., Inc.	5.88%	$4.51M	0.00%	Not reported
Meteora Capital, LLC	5.54%	$4.25M	0.35%	Not reported
Periscope Capital Inc.	5.34%	$4.09M	0.36%	Not reported
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	5.22%	$4M	0.02%	Not reported
K2 Principal Fund, L.P.	4.02%	$3.09M	0.23%	Add 2.94%
MMCAP International Inc. SPC	3.92%	$3M	0.25%	New Not reported
Hudson Bay Capital Management LP	3.92%	$3M	0.01%	Not reported
Schonfeld Strategic Advisors LLC	3.88%	$2.98M	0.01%	Not reported
Two Sigma Investments, LP	3.57%	$2.74M	0.00%	Not reported
HBK Investments L P	3.26%	$2.5M	0.02%	Not reported
Ghisallo Capital Management LLC	3.26%	$2.5M	0.05%	Not reported
Berkley W R Corp	3.24%	$2.48M	0.11%	Not reported
683 Capital Management, LLC	2.61%	$2M	0.10%	Not reported
Mangrove Partners Im, LLC	2.61%	$2M	0.13%	Not reported
First Trust Capital Management L.P.	2.61%	$2M	0.12%	Not reported
Toronto Dominion Bank	2.30%	$1.76M	0.00%	Not reported
DLD Asset Management, LP	2.22%	$1.7M	0.11%	Not reported
Wealthspring Capital LLC	2.10%	$1.61M	0.36%	Not reported
StoneX Group Inc.	1.96%	$1.5M	0.06%	Not reported
Millennium Management LLC	1.96%	$1.5M	0.00%	Not reported
Mint Tower Capital Management B.V.	1.96%	$1.5M	0.17%	Not reported
Picton Mahoney Asset Management	1.96%	$1.5M	0.01%	New Not reported
Clear Street Group Inc.	1.93%	$1.48M	0.00%	Not reported
Whitebox Advisors LLC	1.31%	$1M	0.01%	Not reported
Context Capital Management, LLC	1.31%	$1M	0.02%	Not reported
Boothbay Fund Management, LLC	1.24%	$951K	0.01%	Not reported
JPMorgan Chase & Co	1.14%	$877K	0.00%	Not reported
L1 Global Manager Pty Ltd	0.98%	$751K	0.53%	Not reported
Centiva Capital, LP	0.91%	$701K	0.01%	Not reported
Bulldog Investors, LLP	0.84%	$646K	0.14%	New Not reported
Deltec Asset Management LLC	0.46%	$350K	0.05%	Not reported
Abc Arbitrage SA	0.46%	$350K	0.04%	New Not reported
Wolverine Asset Management LLC	0.43%	$330K	0.00%	Not reported

50 of 51 holders

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