AACBR — Artius II Acquisition Inc Institutional Holders · Q2 2026

Name: Who Owns AACBR? 35 Institutions Hold $4.24M (Q2 2026)
Creator: ko.io

Who owns Artius II Acquisition Inc (AACBR)? 35 institutions reported holding $4.24M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Healthcare Of Ontario Pension Plan Trust Fund ($420,000), Sculptor Capital LP ($415,800), Polar Asset Management Partners Inc. ($315,000).

Rank	Institution	Value	Shares	Change
1	HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	$420,000	2.0M	Hold
2	Sculptor Capital LP	$415,800	2.0M	Hold
3	Polar Asset Management Partners Inc.	$315,000	1.5M	Hold
4	HGC Investment Management Inc.	$315,000	1.5M	Hold
5	AQR Arbitrage LLC	$314,904	1.5M	Added
6	Linden Advisors LP	$312,813	1.4M	Hold
7	Harraden Circle Investments, LLC	$281,702	1.3M	Hold
8	Alberta Investment Management Corp	$205,800	980,000	Hold
9	MILLENNIUM MANAGEMENT LLC	$147,000	700,000	Hold
10	Magnetar Financial LLC	$126,000	600,000	Hold
11	METEORA CAPITAL, LLC	$117,526	559,649	Trimmed
12	TORONTO DOMINION BANK	$113,852	542,153	Trimmed
13	Shaolin Capital Management LLC	$105,917	504,369	Added
14	HBK INVESTMENTS L P	$105,000	500,000	Hold
15	MOORE CAPITAL MANAGEMENT, LP	$105,000	500,000	Hold
16	PICTON MAHONEY ASSET MANAGEMENT	$105,000	500,000	Hold
17	BNP PARIBAS FINANCIAL MARKETS	$97,187	462,795	Hold
18	COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	$76,484	364,209	Hold
19	Alpine Global Management, LLC	$68,166	324,602	Hold
20	GLAZER CAPITAL, LLC	$58,000	275,000	Hold
21	Radcliffe Capital Management, L.P.	$56,886	250,049	Trimmed
22	Clear Street Group Inc.	$47,212	224,818	Trimmed
23	GRITSTONE ASSET MANAGEMENT LLC	$41,508	197,655	Hold
24	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$39,272	187,011	New
25	Periscope Capital Inc.	$38,850	185,000	Added

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