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ATII

Archimedes Tech SPAC Partners II Co
ATII

54 hedge funds and large institutions have $231M invested in Archimedes Tech SPAC Partners II Co in 2026 Q1 according to their latest regulatory filings, with 9 funds opening new positions, 6 increasing their positions, 10 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more first-time investments, than exits

New positions opened: 9 | Existing positions closed: 3

10% more funds holding

Funds holding: 49 → 54 (+5)

0% more capital invested

Capital invested by funds: $230M → $231M (+$844K)

40% less repeat investments, than reductions

Existing positions increased: 6 | Existing positions reduced: 10

Holders
54
Holders Change
+5
Holders Change %
+10.2%
% of All Funds
0.66%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
9
Increased
6
Reduced
10
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
+$5.25M
2
JGC
J. Goldman & Co
New York
+$3.88M
3
QL
Quarry LP
New York
+$2.99M
4
LPC
Lineage Point Capital
Florida
+$1.01M
5
CS
Clear Street
New York
+$770K

Top Sellers

Rank Fund Capital Flow
1
DCM
Driehaus Capital Management
Illinois
-$5.94M
2
MC
Meteora Capital
Florida
-$4.44M
3
MSU
Mizuho Securities USA
New York
-$2.99M
4
WAM
Wolverine Asset Management
Illinois
-$2.32M
5
GCL
Glazer Capital LLC
New York
-$1.2M
Name Holding Trade Value Shares
Change 		Change in
Stake
Millennium Management
26
Millennium Management
New York
$3.21M – – –
MTCM
27
Mint Tower Capital Management
Netherlands
$3.12M – – –
MC
28
Meteora Capital
Florida
$3.08M -$4.44M -422,821 -59%
CC
29
Centiva Capital
New York
$2.98M – – –
QL
30
Quarry LP
New York
$2.97M +$2.99M +285,000 New
SCM
31
Shaolin Capital Management
Florida
$2.82M – – –
AC
32
Aristeia Capital
Connecticut
$2.6M – – –
WA
33
Whitebox Advisors
Minnesota
$2.6M – – –
Verition Fund Management
34
Verition Fund Management
Connecticut
$2.42M – – –
WRBC
35
W.R. Berkley Corp
Connecticut
$2.17M -$212K -20,141 -9%
OCAI
36
O'Connor Alternative Investments
New York
$2.09M +$2.1M +200,000 New
LGM
37
L1 Global Manager
$2.08M – – –
SSA
38
Schonfeld Strategic Advisors
New York
$1.81M – – –
DAM
39
DLD Asset Management
New York
$1.56M -$525K -50,000 -25%
RAM
40
Readystate Asset Management
Illinois
$1.55M +$12.6K +1,200 +0.8%
WAM
41
Wolverine Asset Management
Illinois
$1.4M -$2.32M -221,074 -62%
MI
42
MMCAP International
Cayman Islands
$1.3M – – –
GAM
43
Gritstone Asset Management
Maryland
$1.03M – – –
LPC
44
Lineage Point Capital
Florida
$1M +$1.01M +95,895 New
KPF
45
K2 Principal Fund
Ontario, Canada
$915K – – –
Baird Financial Group
46
Baird Financial Group
Wisconsin
$819K – – –
CS
47
Clear Street
New York
$806K +$770K +73,257 +1,746%
CL
48
CSS LLC
Illinois
$595K – – –
VF
49
Virtu Financial
New York
$561K +$564K +53,686 New
BNP Paribas Financial Markets
50
BNP Paribas Financial Markets
France
$393K +$397K +37,744 New
1
2
3

ATII Hedge Fund Activity: Q1 2026 in Review

54 of the 8,130 institutional investors tracked by Wall St. Rank reported a position in Archimedes Tech SPAC Partners II Co (ATII) for Q1 2026, worth a combined $231M — up 0.37% from $230M a quarter earlier.

Buyers outnumbered sellers: 9 funds opened new ATII positions and 3 closed out — a net gain of 6 holders — while 6 added to existing stakes and 10 trimmed.

The largest buyer was Toronto Dominion Bank, adding an estimated $5.25M. The largest seller was Driehaus Capital Management, exiting entirely with an estimated $5.94M sold.

  • 54 institutional investors held Archimedes Tech SPAC Partners II Co (ATII) as of Q1 2026, up from 49 in Q4 2025.
  • Funds reported $231M of Archimedes Tech SPAC Partners II Co stock for Q1 2026, up 0.37% quarter-over-quarter.
  • 9 funds opened new Archimedes Tech SPAC Partners II Co positions in Q1 2026 and 3 closed out, a net change of +6 holders.
  • The largest Archimedes Tech SPAC Partners II Co buyer in Q1 2026 was Toronto Dominion Bank, an estimated $5.25M added.
  • The largest Archimedes Tech SPAC Partners II Co seller in Q1 2026 was Driehaus Capital Management, an estimated $5.94M sold.

Based on aggregated 13F filings for Q1 2026.