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AACBU

Artius II Acquisition Inc Units
AACBU

30 hedge funds and large institutions have $188M invested in Artius II Acquisition Inc Units in 2025 Q1 according to their latest regulatory filings, with 30 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

84.57% more ownership

Funds ownership: 0% → 84.57% (+85%)

Holders
30
Holders Change
+30
Holders Change %
–
% of All Funds
0.4%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
30
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
+$20.1M
2
AA
AQR Arbitrage
Connecticut
+$19.9M
3
SC
Sculptor Capital
New York
+$19.9M
4
HIM
HGC Investment Management
Ontario, Canada
+$15.1M
5
PAMP
Polar Asset Management Partners
Ontario, Canada
+$15.1M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
ASM
26
ATW SPAC Management
New York
$1.26M +$1.26M +125,316 New
KPF
27
K2 Principal Fund
Ontario, Canada
$1.13M +$1.12M +112,006 New
CC
28
Centiva Capital
New York
$1.01M +$1M +100,000 New
PC
29
Periscope Capital
Ontario, Canada
$1.01M +$1M +100,000 New
JP Morgan Chase
30
JP Morgan Chase
New York
$50.5K +$50.2K +5,000 New
1
2

AACBU Hedge Fund Activity: Q1 2025 in Review

30 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Artius II Acquisition Inc Units (AACBU) for Q1 2025, worth a combined $188M.

Buyers outnumbered sellers: 30 funds opened new AACBU positions and 0 closed out — a net gain of 30 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 $20.1M.

  • 30 institutional investors held Artius II Acquisition Inc Units (AACBU) as of Q1 2025, up from 0 in Q4 2024.
  • Funds reported $188M of Artius II Acquisition Inc Units stock for Q1 2025.
  • 30 funds opened new Artius II Acquisition Inc Units positions in Q1 2025 and 0 closed out, a net change of +30 holders.
  • The largest Artius II Acquisition Inc Units buyer in Q1 2025 was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, an estimated $20.1M added.

Based on aggregated 13F filings for Q1 2025.