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AACBU

Artius II Acquisition Inc Units
AACBU

3 hedge funds and large institutions have $4.77M invested in Artius II Acquisition Inc Units in 2025 Q4 according to their latest regulatory filings, with funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 0 closing their positions.

New
Increased
Maintained
Reduced
Closed

3% more capital invested

Capital invested by funds: $4.61M → $4.77M (+$157K)

0.02% more ownership

Funds ownership: 2.23% → 2.25% (+0.02%)

0% more funds holding

Funds holding: 3 → 3 (0)

0% more repeat investments, than reductions

Existing positions increased: 1 | Existing positions reduced: 1

Holders
3
Holders Change
–
Holders Change %
0%
% of All Funds
0.04%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
–
Increased
1
Reduced
1
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
CS
Clear Street
New York
+$47.2K

Top Sellers

Rank Fund Capital Flow
1
UBS Group
UBS Group
Switzerland
-$1.74K
Name Holding Trade Value Shares
Change 		Change in
Stake
LP
1
LMR Partners
United Kingdom
$4.24M – – –
CS
2
Clear Street
New York
$526K +$47.2K +4,485 +10%
UBS Group
3
UBS Group
Switzerland
$759 -$1.74K -165 -69%

AACBU Hedge Fund Activity: Q4 2025 in Review

3 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Artius II Acquisition Inc Units (AACBU) for Q4 2025, worth a combined $4.77M — up 3.4% from $4.61M a quarter earlier.

Fund positioning in AACBU was balanced in Q4 2025: 0 funds opened new positions, 0 closed out, 1 added to existing stakes and 1 trimmed.

The largest buyer was Clear Street, adding an estimated $47.2K. The largest seller was UBS Group, cutting an estimated $1.74K.

  • 3 institutional investors held Artius II Acquisition Inc Units (AACBU) as of Q4 2025, unchanged from Q3 2025.
  • Funds reported $4.77M of Artius II Acquisition Inc Units stock for Q4 2025, up 3.4% quarter-over-quarter.
  • 0 funds opened new Artius II Acquisition Inc Units positions in Q4 2025 and 0 closed out.
  • The largest Artius II Acquisition Inc Units buyer in Q4 2025 was Clear Street, an estimated $47.2K added.
  • The largest Artius II Acquisition Inc Units seller in Q4 2025 was UBS Group, an estimated $1.74K sold.

Based on aggregated 13F filings for Q4 2025.