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AACBU

Artius II Acquisition Inc Units
AACBU

Delisted

AACBU was delisted on the 13th of August, 2026.

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3 hedge funds and large institutions have $4.61M invested in Artius II Acquisition Inc Units in 2025 Q3 according to their latest regulatory filings, with 0 funds opening new positions, 2 increasing their positions, 0 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

10% less ownership

Funds ownership: 12.22% → 2.23% (-10%)

50% less funds holding

Funds holding: 6 → 3 (-3)

82% less capital invested

Capital invested by funds: $25.4M → $4.61M (-$20.8M)

100% less funds holding in top 10

Funds holding in top 10: 1 → 0 (-1)

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 3

Holders
3
Holders Change
-3
Holders Change %
-50%
% of All Funds
0.04%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
–
Increased
2
Reduced
–
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
CS
Clear Street
New York
+$8.26K
2
UBS Group
UBS Group
Switzerland
+$395

Top Sellers

Rank Fund Capital Flow
1
HIM
HGC Investment Management
Ontario, Canada
-$15.5M
2
RCM
Rivernorth Capital Management
Florida
-$3.15M
3
Millennium Management
Millennium Management
New York
-$2.1M

AACBU Hedge Fund Activity: Q3 2025 in Review

3 of the 7,631 institutional investors tracked by Wall St. Rank reported a position in Artius II Acquisition Inc Units (AACBU) for Q3 2025, worth a combined $4.61M — down 82% from $25.4M a quarter earlier.

Sellers outnumbered buyers: 3 funds closed out of AACBU and 0 opened new positions — a net loss of 3 holders — while 0 trimmed existing stakes and 2 added.

The largest buyer was Clear Street, adding an estimated $8.26K. The largest seller was HGC Investment Management, exiting entirely with an estimated $15.5M sold.

  • 3 institutional investors held Artius II Acquisition Inc Units (AACBU) as of Q3 2025, down from 6 in Q2 2025.
  • Funds reported $4.61M of Artius II Acquisition Inc Units stock for Q3 2025, down 82% quarter-over-quarter.
  • 0 funds opened new Artius II Acquisition Inc Units positions in Q3 2025 and 3 closed out, a net change of -3 holders.
  • The largest Artius II Acquisition Inc Units buyer in Q3 2025 was Clear Street, an estimated $8.26K added.
  • The largest Artius II Acquisition Inc Units seller in Q3 2025 was HGC Investment Management, an estimated $15.5M sold.

Based on aggregated 13F filings for Q3 2025.