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AACB

Artius II Acquisition Inc
AACB

43 hedge funds and large institutions have $214M invested in Artius II Acquisition Inc in 2025 Q3 according to their latest regulatory filings, with 5 funds opening new positions, 7 increasing their positions, 11 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

67% more first-time investments, than exits

New positions opened: 5 | Existing positions closed: 3

11% more capital invested

Capital invested by funds: $192M → $214M (+$21.9M)

8.92% more ownership

Funds ownership: 80.3% → 89.23% (+8.9%)

5% more funds holding

Funds holding: 41 → 43 (+2)

36% less repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 11

Holders
43
Holders Change
+2
Holders Change %
+4.88%
% 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
5
Increased
7
Reduced
11
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
HIM
HGC Investment Management
Ontario, Canada
+$15.2M
2
MP
Mangrove Partners
Connecticut
+$4.56M
3
RCM
Radcliffe Capital Management
Pennsylvania
+$3.87M
4
RCM
Rivernorth Capital Management
Florida
+$3.04M
5
SCM
Shaolin Capital Management
Florida
+$2.25M

Top Sellers

Rank Fund Capital Flow
1
SC
Sculptor Capital
New York
-$4.05M
2
AGM
Alpine Global Management
New York
-$2.92M
3
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
-$2.15M
4
KPF
K2 Principal Fund
Ontario, Canada
-$1.13M
5
ASM
ATW SPAC Management
New York
-$507K
Name Holding Trade Value Shares
Change 		Change in
Stake
GL
26
Governors Lane
New York
$2.54M – – –
SSA
27
Schonfeld Strategic Advisors
New York
$2.4M -$35.5K -3,501 -1%
Millennium Management
28
Millennium Management
New York
$2.04M +$2.03M +200,000 New
GAM
29
Gritstone Asset Management
Maryland
$2.01M -$23.7K -2,344 -1%
UOC
30
UBS O'Connor
Illinois
$1.62M – – –
Toronto Dominion Bank
31
Toronto Dominion Bank
Ontario, Canada
$1.53M -$2.15M -212,015 -59%
MSU
32
Mizuho Securities USA
New York
$1.5M – – –
CCM
33
Context Capital Management
California
$1.14M -$507K -50,000 -31%
CC
34
Centiva Capital
New York
$1.01M – – –
ASM
35
ATW SPAC Management
New York
$767K -$507K -50,000 -40%
BFM
36
Boothbay Fund Management
New York
$764K -$507K -50,000 -40%
WAM
37
Wolverine Asset Management
Illinois
$675K +$31.1K +3,070 +5%
Verition Fund Management
38
Verition Fund Management
Connecticut
$568K +$568K +56,098 New
DAM
39
DLD Asset Management
New York
$416K – – –
CS
40
Clear Street
New York
$387K +$50.7K +5,000 +15%
VF
41
Virtu Financial
New York
$133K -$71.2K -7,027 -35%
FIA
42
FNY Investment Advisers
New York
$3K +$2.23K +220 +216%
Morgan Stanley
43
Morgan Stanley
New York
$790 +$152 +15 +24%
AGM
44
Alpine Global Management
New York
– -$2.92M -288,211 Closed
KPF
45
K2 Principal Fund
Ontario, Canada
– -$1.13M -112,006 Closed
BHMP
46
Bardin Hill Management Partners
New York
– -$253K -25,027 Closed
1
2

AACB Hedge Fund Activity: Q3 2025 in Review

43 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Artius II Acquisition Inc (AACB) for Q3 2025, worth a combined $214M — up 11% from $192M a quarter earlier.

Buyers outnumbered sellers: 5 funds opened new AACB positions and 3 closed out — a net gain of 2 holders — while 7 added to existing stakes and 11 trimmed.

The largest buyer was HGC Investment Management, opening a new position worth an estimated $15.2M. The largest seller was Sculptor Capital, cutting an estimated $4.05M.

  • 43 institutional investors held Artius II Acquisition Inc (AACB) as of Q3 2025, up from 41 in Q2 2025.
  • Funds reported $214M of Artius II Acquisition Inc stock for Q3 2025, up 11% quarter-over-quarter.
  • 5 funds opened new Artius II Acquisition Inc positions in Q3 2025 and 3 closed out, a net change of +2 holders.
  • The largest Artius II Acquisition Inc buyer in Q3 2025 was HGC Investment Management, an estimated $15.2M added.
  • The largest Artius II Acquisition Inc seller in Q3 2025 was Sculptor Capital, an estimated $4.05M sold.

Based on aggregated 13F filings for Q3 2025.