ATII

Archimedes Tech SPAC Partners II Co. Ordinary Shares
ATII

Overview Fund Activity

42 hedge funds and large institutions have $216M invested in Archimedes Tech SPAC Partners II Co. Ordinary Shares in 2025 Q2 according to their latest regulatory filings, with 42 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
42
Holders Change
+42
Holders Change %
–
% of All Funds
0.56%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.01%
New
42
Increased
–
Reduced
–
Closed
–
Calls
$30K
Puts
–
Net Calls
+$30K
Net Calls Change
+$30K

Top Buyers

1
TCM
1
Tenor Capital Management
New York
$15.3M
2
SC
2
Sculptor Capital
New York
$13.3M
3
MF
3
Magnetar Financial
Illinois
$13.2M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$11.6M
5
LA
5
Linden Advisors
New York
$10.2M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Shares
Change %
TCM
1
Tenor Capital Management
New York
$15.3M +$15.3M +1,500,000 New
SC
2
Sculptor Capital
New York
$13.3M +$13.3M +1,300,000 New
MF
3
Magnetar Financial
Illinois
$13.2M +$13.2M +1,300,000 New
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$11.6M +$11.6M +1,138,500 New
LA
5
Linden Advisors
New York
$10.2M +$10.2M +1,000,000 New
AA
6
AQR Arbitrage
Connecticut
$9.92M +$9.92M +969,382 New
GCL
7
Glazer Capital LLC
New York
$8.95M +$8.95M +875,087 New
LP
8
LMR Partners
United Kingdom
$8.7M +$8.7M +850,000 New
GCM
9
Ghisallo Capital Management
Massachusetts
$8.18M +$8.18M +800,000 New
AIMCA
10
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$7.67M +$7.67M +750,000 New
GL
11
Governors Lane
New York
$7.67M +$7.67M +750,000 New
Two Sigma Investments
12
Two Sigma Investments
New York
$7.42M +$7.42M +725,000 New
Hudson Bay Capital Management
13
Hudson Bay Capital Management
Connecticut
$7.16M +$7.16M +700,000 New
DCM
14
Driehaus Capital Management
Illinois
$6.8M +$6.8M +664,298 New
WCMNY
15
Westchester Capital Management (New York)
New York
$6.65M +$6.65M +650,000 New
JG
16
Jain Global
New York
$5.12M +$5.12M +500,000 New
PMAM
17
Picton Mahoney Asset Management
Ontario, Canada
$5.12M +$5.12M +500,000 New
PC
18
Periscope Capital
Ontario, Canada
$4.6M +$4.6M +450,000 New
MCM
19
Moore Capital Management
New York
$4.6M +$4.6M +450,000 New
MSU
20
Mizuho Securities USA
New York
$4.6M +$4.6M +455,000 New
COPPSERS
21
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$4.09M +$4.09M +400,000 New
Toronto Dominion Bank
22
Toronto Dominion Bank
Ontario, Canada
$4.04M +$4.04M +394,700 New
MC
23
Meteora Capital
Florida
$4.02M +$4.02M +392,530 New
RCM
24
Radcliffe Capital Management
Pennsylvania
$3.34M +$3.34M +326,920 New
Goldman Sachs
25
Goldman Sachs
New York
$3.31M +$3.31M +323,854 New
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