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AACB

Artius II Acquisition Inc
AACB

41 hedge funds and large institutions have $192M invested in Artius II Acquisition Inc in 2025 Q2 according to their latest regulatory filings, with 41 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

80.3% more ownership

Funds ownership: 0% → 80.3% (+80%)

Holders
41
Holders Change
+41
Holders Change %
–
% of All Funds
0.54%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
41
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
+$20M
2
AA
AQR Arbitrage
Connecticut
+$15M
3
SC
Sculptor Capital
New York
+$14M
4
GCL
Glazer Capital LLC
New York
+$12M
5
LA
Linden Advisors
New York
+$10M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
1
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$20.2M +$20M +2,000,000 New
AA
2
AQR Arbitrage
Connecticut
$15.2M +$15M +1,502,205 New
SC
3
Sculptor Capital
New York
$14.2M +$14M +1,400,000 New
GCL
4
Glazer Capital LLC
New York
$12.1M +$12M +1,194,915 New
LA
5
Linden Advisors
New York
$10.1M +$10M +1,000,000 New
PAMP
6
Polar Asset Management Partners
Ontario, Canada
$10.1M +$10M +1,000,000 New
WCMNY
7
Westchester Capital Management (New York)
New York
$10.1M +$9.97M +995,939 New
AIMCA
8
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$9.92M +$9.81M +980,000 New
PMAM
9
Picton Mahoney Asset Management
Ontario, Canada
$7.59M +$7.51M +750,000 New
Two Sigma Investments
10
Two Sigma Investments
New York
$7.34M +$7.26M +725,000 New
D.E. Shaw & Co
11
D.E. Shaw & Co
New York
$6.07M +$6.01M +600,000 New
MF
12
Magnetar Financial
Illinois
$6.07M +$6.01M +600,000 New
HI
13
HBK Investments
Texas
$5.06M +$5.01M +500,000 New
JG
14
Jain Global
New York
$5.06M +$5.01M +500,000 New
MCM
15
Moore Capital Management
New York
$5.06M +$5.01M +500,000 New
Goldman Sachs
16
Goldman Sachs
New York
$4.68M +$4.63M +462,795 New
COPPSERS
17
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$4.05M +$4.01M +400,000 New
WRBC
18
W.R. Berkley Corp
Connecticut
$4.02M +$3.97M +396,960 New
FTCM
19
First Trust Capital Management
Illinois
$3.85M +$3.81M +380,000 New
Toronto Dominion Bank
20
Toronto Dominion Bank
Ontario, Canada
$3.66M +$3.63M +362,015 New
AGM
21
Alpine Global Management
New York
$2.92M +$2.89M +288,211 New
RCM
22
Radcliffe Capital Management
Pennsylvania
$2.71M +$2.68M +268,002 New
GL
23
Governors Lane
New York
$2.53M +$2.5M +250,000 New
SSA
24
Schonfeld Strategic Advisors
New York
$2.43M +$2.4M +240,000 New
PC
25
Periscope Capital
Ontario, Canada
$2.31M +$2.29M +228,400 New
1
2

AACB Hedge Fund Activity: Q2 2025 in Review

41 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Artius II Acquisition Inc (AACB) for Q2 2025, worth a combined $192M.

Buyers outnumbered sellers: 41 funds opened new AACB positions and 0 closed out — a net gain of 41 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, opening a new position worth an estimated $20M.

  • 41 institutional investors held Artius II Acquisition Inc (AACB) as of Q2 2025, up from 0 in Q1 2025.
  • Funds reported $192M of Artius II Acquisition Inc stock for Q2 2025.
  • 41 funds opened new Artius II Acquisition Inc positions in Q2 2025 and 0 closed out, a net change of +41 holders.
  • The largest Artius II Acquisition Inc buyer in Q2 2025 was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, an estimated $20M added.

Based on aggregated 13F filings for Q2 2025.