Security key
G0509J107
Artius II Acquisition Inc. - Class A Ordinary Shares, par value $0.0001 per share (AACBU)
CUSIP: G0509J107
Q2 2025 13F Holders as of 30 Jun 2025
- Type / Class
- Equity / Class A Ordinary Shares, par value $0.0001 per share
- Shares outstanding
- 22,172,949
- Total 13F shares
- 2,444,558
- Share change
- -14,023,160
- Total reported value
- $25,412,859
- Price per share
- $10.50
- Number of holders
- 6
- Value change
- -$141,842,219
- Number of buys
- 1
- Number of sells
- 25
Report period
Q2 2025
Institutions
6
Top holders
6
AACBU full security history
Newer quarter: Q3 2025
Previous quarter: Q1 2025
Artius II Acquisition Inc. SEC filings
Artius II Acquisition Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP G0509J107
Recent filing periods:
Top shareholders of AACBU - Artius II Acquisition Inc. - Class A Ordinary Shares, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Artius II Acquisition Partners LLC |
13D/G
3/4/5
|
10%+ Owner |
20%
|
5,675,000
|
$56,069,000 | $0 | 14 Feb 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13D/G
|
— |
6.4%
|
1,502,205
|
$15,202,315 | -$4,835,285 | 30 Jun 2025 | |
| Polar Asset Management Partners Inc. |
13D/G
13F
|
Company |
6.3%
|
1,500,000
|
$15,120,000 | $0 | 31 Mar 2025 | |
| GLAZER CAPITAL, LLC |
13D/G
13F
|
Company |
5.5%
|
1,218,664
|
$12,284,133 | $0 | 31 Mar 2025 | |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND |
13F
|
Company |
9%
|
2,000,000
|
$20,220,000 | — | 31 Mar 2025 | |
| AQR Arbitrage LLC |
13F
|
Company |
8.9%
|
1,980,000
|
$20,017,800 | — | 31 Mar 2025 | |
| Sculptor Capital LP |
13F
|
Company |
8.9%
|
1,980,000
|
$19,988,100 | — | 31 Mar 2025 | |
| HGC Investment Management Inc. |
13F
|
Company |
6.8%
|
1,500,000
|
$15,120,000 | — | 31 Mar 2025 | |
| LINDEN ADVISORS LP |
13F
|
Company |
4.5%
|
1,000,000
|
$10,110,000 | — | 31 Mar 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
3.3%
|
725,000
|
$7,308,000 | — | 31 Mar 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
3.2%
|
700,000
|
$7,049,000 | — | 31 Mar 2025 | |
| Shaolin Capital Management LLC |
13F
|
Company |
3.2%
|
700,000
|
$7,049,000 | — | 31 Mar 2025 | |
| Magnetar Financial LLC |
13F
|
Company |
2.7%
|
600,000
|
$6,066,000 | — | 31 Mar 2025 | |
| MOORE CAPITAL MANAGEMENT, LP |
13F
|
Company |
2.3%
|
500,000
|
$5,055,000 | — | 31 Mar 2025 | |
| PICTON MAHONEY ASSET MANAGEMENT |
13F
|
Company |
2.3%
|
500,000
|
$5,048,000 | — | 31 Mar 2025 | |
| HBK INVESTMENTS L P |
13F
|
Company |
2.3%
|
500,000
|
$5,035,000 | — | 31 Mar 2025 | |
| LMR Partners LLP |
13F
|
Company |
1.8%
|
400,000
|
$4,028,000 | — | 31 Mar 2025 | |
| BERKLEY W R CORP |
13F
|
Company |
1.8%
|
396,960
|
$4,001,357 | — | 31 Mar 2025 | |
| RIVERNORTH CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.4%
|
300,000
|
$3,024,000 | — | 31 Mar 2025 | |
| Schonfeld Strategic Advisors LLC |
13F
|
Company |
1.3%
|
287,641
|
$2,903,735 | — | 31 Mar 2025 | |
| Alpine Global Management, LLC |
13F
|
Company |
1.1%
|
250,002
|
$2,527,520 | — | 31 Mar 2025 | |
| CLEAR STREET LLC |
13F
|
Company |
1.1%
|
242,121
|
$2,438,158 | — | 31 Mar 2025 | |
| METEORA CAPITAL, LLC |
13F
|
Company |
1.1%
|
237,501
|
$2,394,010 | — | 31 Mar 2025 | |
| GRITSTONE ASSET MANAGEMENT LLC |
13F
|
Company |
0.9%
|
200,000
|
$2,014,000 | — | 31 Mar 2025 | |
| Context Capital Management, LLC |
13F
|
Company |
0.73%
|
162,191
|
$1,637,318 | — | 31 Mar 2025 | |
| MIZUHO SECURITIES USA LLC |
13F
|
Company |
0.71%
|
158,447
|
$1,584,470 | — | 31 Mar 2025 | |
| BOOTHBAY FUND MANAGEMENT, LLC |
13F
|
Company |
0.57%
|
125,316
|
$1,265,065 | — | 31 Mar 2025 | |
| ATW SPAC MANAGEMENT LLC |
13F
|
Company |
0.57%
|
125,316
|
$1,261,932 | — | 31 Mar 2025 | |
| K2 PRINCIPAL FUND, L.P. |
13F
|
Company |
0.51%
|
112,006
|
$1,129,020 | — | 31 Mar 2025 | |
| Centiva Capital, LP |
13F
|
Company |
0.45%
|
100,000
|
$1,011,000 | — | 31 Mar 2025 | |
| PERISCOPE CAPITAL INC. |
13F
|
Company |
0.45%
|
100,000
|
$1,009,500 | — | 31 Mar 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.02%
|
5,000
|
$50,550 | — | 31 Mar 2025 | |
| Boon Sim |
3/4/5
|
CEO, CFO, Director, 10%+ Owner |
—
class O/S missing
|
175,000
|
— | — | 12 Feb 2025 |
Institutional Holders of Artius II Acquisition Inc. - Class A Ordinary Shares, par value $0.0001 per share (AACBU) as of Q2 2025
As of 30 Jun 2025,
Artius II Acquisition Inc. - Class A Ordinary Shares, par value $0.0001 per share (AACBU) was held by
6 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
2,444,558 shares.
The largest 6 holders included
HGC Investment Management Inc., LMR Partners LLP, RIVERNORTH CAPITAL MANAGEMENT, LLC, MILLENNIUM MANAGEMENT LLC, CLEAR STREET LLC, and UBS Group AG.
This page lists
6
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
29
Q2 2025 holders
6
Holder diff
-23
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.