ATIIU

Archimedes Tech SPAC Partners II Co. Unit
ATIIU

Overview Fund Activity

9 hedge funds and large institutions have $13.4M invested in Archimedes Tech SPAC Partners II Co. Unit in 2025 Q2 according to their latest regulatory filings, with 1 funds opening new positions, 1 increasing their positions, 3 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
9
Holders Change
-35
Holders Change %
-79.55%
% of All Funds
0.12%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
1
Increased
1
Reduced
3
Closed
36
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
UBS Group
1
UBS Group
Switzerland
$42K
2
Toronto Dominion Bank
2
Toronto Dominion Bank
Ontario, Canada
$10

Top Sellers

1
TCM
1
Tenor Capital Management
New York
$0
2
AA
2
AQR Arbitrage
Connecticut
$0
3
MF
3
Magnetar Financial
Illinois
$0
4
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
4
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$0
5
LA
5
Linden Advisors
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Millennium Management
1
Millennium Management
New York
$5.15M – – –
RCM
2
Rivernorth Capital Management
Florida
$4.58M – – –
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$1.45M -$4.23M -405,215 -75%
MI
4
MMCAP International
Cayman Islands
$1.29M – – –
Jane Street
5
Jane Street
New York
$481K -$190K -18,450 -28%
TCM
6
Tuttle Capital Management
Connecticut
$206K – – –
CS
7
Clear Street
New York
$198K -$1.52M -147,323 -88%
UBS Group
8
UBS Group
Switzerland
$42K +$31.8K +3,130 +313%
Toronto Dominion Bank
9
Toronto Dominion Bank
Ontario, Canada
$10 +$10 +1 New
TCM
10
Tenor Capital Management
New York
– -$15.2M -1,500,000 Closed
AA
11
AQR Arbitrage
Connecticut
– -$13.1M -1,303,242 Closed
MF
12
Magnetar Financial
Illinois
– -$13.1M -1,300,000 Closed
LA
13
Linden Advisors
New York
– -$10.1M -1,000,000 Closed
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
14
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
– -$10.1M -1,000,000 Closed
LP
15
LMR Partners
United Kingdom
– -$8.56M -850,000 Closed
GCL
16
Glazer Capital LLC
New York
– -$8.46M -839,370 Closed
CL
17
CSS LLC
Illinois
– -$8.27M -820,803 Closed
GCM
18
Ghisallo Capital Management
Massachusetts
– -$8.06M -800,000 Closed
Two Sigma Investments
19
Two Sigma Investments
New York
– -$7.31M -725,000 Closed
Hudson Bay Capital Management
20
Hudson Bay Capital Management
Connecticut
– -$7.07M -700,000 Closed
SCM
21
Shaolin Capital Management
Florida
– -$6.55M -650,531 Closed
MSU
22
Mizuho Securities USA
New York
– -$6.01M -600,000 Closed
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
– -$5.81M -575,000 Closed
MCM
24
Moore Capital Management
New York
– -$4.55M -450,000 Closed
WCMNY
25
Westchester Capital Management (New York)
New York
– -$4.03M -400,000 Closed
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