We are live on ! Find out more
AACBR

Artius II Acquisition Inc Rights
AACBR

34 hedge funds and large institutions have $6.87M invested in Artius II Acquisition Inc Rights in 2025 Q4 according to their latest regulatory filings, with 2 funds opening new positions, 4 increasing their positions, 7 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

36% more capital invested

Capital invested by funds: $5.05M → $6.87M (+$1.82M)

0% more first-time investments, than exits

New positions opened: 2 | Existing positions closed: 2

3% less funds holding

Funds holding: 35 → 34 (-1)

43% less repeat investments, than reductions

Existing positions increased: 4 | Existing positions reduced: 7

Holders
34
Holders Change
-1
Holders Change %
-2.86%
% of All Funds
0.41%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
2
Increased
4
Reduced
7
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
HCI
Harraden Circle Investments
New York
+$268K
2
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
+$145K
3
MC
Meteora Capital
Florida
+$97.1K
4
RCM
Radcliffe Capital Management
Pennsylvania
+$70.4K
5
DAM
DLD Asset Management
New York
+$33.4K

Top Sellers

Rank Fund Capital Flow
1
AA
AQR Arbitrage
Connecticut
-$145K
2
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
-$124K
3
DAM
Decagon Asset Management
United Kingdom
-$85.2K
4
GCL
Glazer Capital LLC
New York
-$54.7K
5
SCM
Shaolin Capital Management
Florida
-$31.3K
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
$740K – – –
SC
2
Sculptor Capital
New York
$653K – – –
AA
3
AQR Arbitrage
Connecticut
$501K -$145K -462,795 -23%
HIM
4
HGC Investment Management
Ontario, Canada
$495K – – –
PAMP
5
Polar Asset Management Partners
Ontario, Canada
$495K – – –
HCI
6
Harraden Circle Investments
New York
$455K +$268K +855,203 +163%
LA
7
Linden Advisors
New York
$454K – – –
AIMCA
8
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$323K – – –
Millennium Management
9
Millennium Management
New York
$231K – – –
SCM
10
Shaolin Capital Management
Florida
$215K -$31.3K -100,000 -13%
Toronto Dominion Bank
11
Toronto Dominion Bank
Ontario, Canada
$202K -$124K -395,239 -39%
MF
12
Magnetar Financial
Illinois
$198K – – –
HI
13
HBK Investments
Texas
$185K – – –
MC
14
Meteora Capital
Florida
$174K +$97.1K +310,319 +133%
MCM
15
Moore Capital Management
New York
$165K – – –
PMAM
16
Picton Mahoney Asset Management
Ontario, Canada
$165K – – –
BNP Paribas Financial Markets
17
BNP Paribas Financial Markets
France
$148K +$145K +462,795 New
COPPSERS
18
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$120K -$10.9K -34,700 -9%
AGM
19
Alpine Global Management
New York
$106K – – –
GCL
20
Glazer Capital LLC
New York
$104K -$54.7K -174,766 -35%
RCM
21
Rivernorth Capital Management
Florida
$96K – – –
RCM
22
Radcliffe Capital Management
Pennsylvania
$82.5K +$70.4K +225,053 +900%
CS
23
Clear Street
New York
$75.1K -$626 -2,000 -0.9%
GAM
24
Gritstone Asset Management
Maryland
$65.2K – – –
PC
25
Periscope Capital
Ontario, Canada
$57.8K – – –
1
2

AACBR Hedge Fund Activity: Q4 2025 in Review

34 of the 8,228 institutional investors tracked by Wall St. Rank reported a position in Artius II Acquisition Inc Rights (AACBR) for Q4 2025, worth a combined $6.87M — up 36% from $5.05M a quarter earlier.

Fund positioning in AACBR was balanced in Q4 2025: 2 funds opened new positions, 2 closed out, 4 added to existing stakes and 7 trimmed.

The largest buyer was Harraden Circle Investments, adding an estimated $268K. The largest seller was AQR Arbitrage, cutting an estimated $145K.

  • 34 institutional investors held Artius II Acquisition Inc Rights (AACBR) as of Q4 2025, down from 35 in Q3 2025.
  • Funds reported $6.87M of Artius II Acquisition Inc Rights stock for Q4 2025, up 36% quarter-over-quarter.
  • 2 funds opened new Artius II Acquisition Inc Rights positions in Q4 2025 and 2 closed out, a net change of 0 holders.
  • The largest Artius II Acquisition Inc Rights buyer in Q4 2025 was Harraden Circle Investments, an estimated $268K added.
  • The largest Artius II Acquisition Inc Rights seller in Q4 2025 was AQR Arbitrage, an estimated $145K sold.

Based on aggregated 13F filings for Q4 2025.