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AACBR

Artius II Acquisition Inc Rights
AACBR

35 hedge funds and large institutions have $5.05M invested in Artius II Acquisition Inc Rights in 2025 Q3 according to their latest regulatory filings, with 4 funds opening new positions, 5 increasing their positions, 6 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

300% more first-time investments, than exits

New positions opened: 4 | Existing positions closed: 1

9% more funds holding

Funds holding: 32 → 35 (+3)

6% more capital invested

Capital invested by funds: $4.75M → $5.05M (+$298K)

17% less repeat investments, than reductions

Existing positions increased: 5 | Existing positions reduced: 6

Holders
35
Holders Change
+3
Holders Change %
+9.38%
% of All Funds
0.46%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
4
Increased
5
Reduced
6
Closed
1
Calls
$24K
Puts
–
Net Calls
+$24K
Net Calls Change
+$24K

Top Buyers

Rank Fund Capital Flow
1
HIM
HGC Investment Management
Ontario, Canada
+$333K
2
RCM
Rivernorth Capital Management
Florida
+$66.7K
3
Millennium Management
Millennium Management
New York
+$44.5K
4
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
+$14K
5
RCM
Radcliffe Capital Management
Pennsylvania
+$5.56K

Top Sellers

Rank Fund Capital Flow
1
GCL
Glazer Capital LLC
New York
-$60.4K
2
SCM
Shaolin Capital Management
Florida
-$22.2K
3
MSU
Mizuho Securities USA
New York
-$18K
4
SSA
Schonfeld Strategic Advisors
New York
-$8.74K
5
GAM
Gritstone Asset Management
Maryland
-$521
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
$480K – – –
AA
2
AQR Arbitrage
Connecticut
$475K – – –
SC
3
Sculptor Capital
New York
$455K – – –
PAMP
4
Polar Asset Management Partners
Ontario, Canada
$360K – – –
HIM
5
HGC Investment Management
Ontario, Canada
$360K +$333K +1,500,000 New
LA
6
Linden Advisors
New York
$309K – – –
RCM
7
Radcliffe Capital Management
Pennsylvania
$254K +$5.56K +25,006 New
Toronto Dominion Bank
8
Toronto Dominion Bank
Ontario, Canada
$242K +$14K +62,981 +7%
AIMCA
9
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$235K – – –
SCM
10
Shaolin Capital Management
Florida
$180K -$22.2K -100,000 -12%
Millennium Management
11
Millennium Management
New York
$168K +$44.5K +200,000 +40%
MF
12
Magnetar Financial
Illinois
$144K – – –
HCI
13
Harraden Circle Investments
New York
$126K – – –
HI
14
HBK Investments
Texas
$120K – – –
MCM
15
Moore Capital Management
New York
$120K – – –
PMAM
16
Picton Mahoney Asset Management
Ontario, Canada
$116K – – –
GCL
17
Glazer Capital LLC
New York
$110K -$60.4K -271,582 -35%
COPPSERS
18
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$95.7K – – –
DAM
19
Decagon Asset Management
United Kingdom
$85.2K +$1.09K +4,907 +1%
AGM
20
Alpine Global Management
New York
$72.6K – – –
RCM
21
Rivernorth Capital Management
Florida
$66K +$66.7K +299,872 New
SSA
22
Schonfeld Strategic Advisors
New York
$57.1K -$8.74K -39,314 -14%
CS
23
Clear Street
New York
$55.1K -$145 -654 -0.3%
MC
24
Meteora Capital
Florida
$51.2K -$2 -10 -0%
GAM
25
Gritstone Asset Management
Maryland
$47.4K -$521 -2,345 -1%
1
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AACBR Hedge Fund Activity: Q3 2025 in Review

35 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Artius II Acquisition Inc Rights (AACBR) for Q3 2025, worth a combined $5.05M — up 6.3% from $4.75M a quarter earlier.

Buyers outnumbered sellers: 4 funds opened new AACBR positions and 1 closed out — a net gain of 3 holders — while 5 added to existing stakes and 6 trimmed.

The largest buyer was HGC Investment Management, opening a new position worth an estimated $333K. The largest seller was Glazer Capital LLC, cutting an estimated $60.4K.

  • 35 institutional investors held Artius II Acquisition Inc Rights (AACBR) as of Q3 2025, up from 32 in Q2 2025.
  • Funds reported $5.05M of Artius II Acquisition Inc Rights stock for Q3 2025, up 6.3% quarter-over-quarter.
  • 4 funds opened new Artius II Acquisition Inc Rights positions in Q3 2025 and 1 closed out, a net change of +3 holders.
  • The largest Artius II Acquisition Inc Rights buyer in Q3 2025 was HGC Investment Management, an estimated $333K added.
  • The largest Artius II Acquisition Inc Rights seller in Q3 2025 was Glazer Capital LLC, an estimated $60.4K sold.

Based on aggregated 13F filings for Q3 2025.