ATII

Archimedes Tech SPAC Partners II Co

45 hedge funds and large institutions have $223M invested in Archimedes Tech SPAC Partners II Co in 2025 Q3 according to their latest regulatory filings, with 4 funds opening new positions, 5 increasing their positions, 12 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

58% less repeat investments, than reductions

Existing positions increased: 5 | Existing positions reduced: 12

71.39% less ownership

Funds ownership: 71.39%0% (-71%)

Holders
45
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$29K
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
TCM
1
Tenor Capital Management
New York
$15.3M
MF
2
Magnetar Financial
Illinois
$13.3M
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$11.6M
LA
4
Linden Advisors
New York
$10.2M
AA
5
AQR Arbitrage
Connecticut
$9.85M
WCMNY
6
Westchester Capital Management (New York)
New York
$9.19M
GCL
7
Glazer Capital LLC
New York
$8.94M
LP
8
LMR Partners
United Kingdom
$8.68M
GCM
9
Ghisallo Capital Management
Massachusetts
$8.19M
GL
10
Governors Lane
New York
$7.68M
AIMCA
11
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$7.67M
SC
12
Sculptor Capital
New York
$7.56M
Two Sigma Investments
13
Two Sigma Investments
New York
$7.4M
Hudson Bay Capital Management
14
Hudson Bay Capital Management
Connecticut
$7.15M
MC
15
Meteora Capital
Florida
$6.64M
RCM
16
Radcliffe Capital Management
Pennsylvania
$6.26M
DCM
17
Driehaus Capital Management
Illinois
$5.85M
PMAM
18
Picton Mahoney Asset Management
Ontario, Canada
$5.12M
JG
19
Jain Global
New York
$5.12M
PC
20
Periscope Capital
Ontario, Canada
$5.12M
WAM
21
Wolverine Asset Management
Illinois
$4.66M
MCM
22
Moore Capital Management
New York
$4.59M
COPPSERS
23
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$4.09M
RCM
24
Rivernorth Capital Management
Florida
$3.65M
MSU
25
Mizuho Securities USA
New York
$3.39M