Artius II Acquisition Inc
AACB
AACB was delisted on the 19th of August, 2026.
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.
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
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HIM
HGC Investment Management
Toronto,
Ontario, Canada
|
+$15.2M |
| 2 |
MP
Mangrove Partners
Greenwich,
Connecticut
|
+$4.56M |
| 3 |
RCM
Radcliffe Capital Management
Bala Cynwyd,
Pennsylvania
|
+$3.87M |
| 4 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
+$3.04M |
| 5 |
SCM
Shaolin Capital Management
Miami,
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, Ontario,
Ontario, Canada
|
-$2.15M |
| 4 |
KPF
K2 Principal Fund
Toronto,
Ontario, Canada
|
-$1.13M |
| 5 |
ASM
ATW SPAC Management
New York
|
-$507K |
AACB Hedge Fund Activity: Q3 2025 in Review
43 of the 7,646 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.