Who Owns ARTIUS II ACQUISITION INC (AACB)? -- Institutional Holders (2026-06-30)

54 institutions reported holding $221.9M of ARTIUS II ACQUISITION INC (AACB) in SEC 13F filings for 2026-06-30. Largest institutional holders: HGC Investment Management Inc. ($15.7M), AQR Arbitrage LLC ($15.1M), GLAZER CAPITAL, LLC ($13.6M), Linden Advisors LP ($10.5M), Westchester Capital Management, LLC ($10.4M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	HGC Investment Management Inc.	$15.7M	1.5M	Hold
2	AQR Arbitrage LLC	$15.1M	1.4M	Added
3	GLAZER CAPITAL, LLC	$13.6M	1.3M	Added
4	Linden Advisors LP	$10.5M	1.0M	Hold
5	Westchester Capital Management, LLC	$10.4M	995,939	Hold
6	Alberta Investment Management Corp	$10.3M	980,000	Hold
7	HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	$8.9M	850,000	Hold
8	Polar Asset Management Partners Inc.	$8.4M	800,000	Hold
9	PICTON MAHONEY ASSET MANAGEMENT	$7.9M	750,000	Hold
10	TWO SIGMA INVESTMENTS, LP	$7.6M	725,000	Hold
11	Radcliffe Capital Management, L.P.	$7.1M	678,671	Hold
12	D. E. Shaw & Co., Inc.	$6.3M	600,000	Hold
13	Magnetar Financial LLC	$6.3M	600,000	Hold
14	Hudson Bay Capital Management LP	$5.8M	550,000	Hold
15	Sculptor Capital LP	$5.2M	500,000	Hold
16	MOORE CAPITAL MANAGEMENT, LP	$5.2M	500,000	Hold
17	Governors Lane LP	$5.2M	500,000	Added
18	HBK INVESTMENTS L P	$5.2M	499,998	Hold
19	GOLDMAN SACHS GROUP INC	$4.9M	462,806	Hold
20	Periscope Capital Inc.	$4.5M	425,000	Added
21	COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	$4.2M	398,075	Hold
22	BERKLEY W R CORP	$4.2M	396,960	Hold
23	First Trust Capital Management L.P.	$4.0M	380,000	Hold
24	TORONTO DOMINION BANK	$3.9M	375,190	Added
25	MANGROVE PARTNERS IM, LLC	$3.7M	356,172	Hold

Source: SEC Form 13F filings · as of 2026-06-30