ASTL — Algoma Stl Group Inc Institutional Holders · Q2 2026

Name: Who Owns ASTL? 111 Institutions Hold $295M (Q2 2026)
Creator: ko.io

Who owns Algoma Stl Group Inc (ASTL)? 111 institutions reported holding $294.50M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Maple Rock Capital Partners Inc. ($68.3M), MMCAP International Inc. SPC ($44.4M), Donald Smith & Co., Inc. ($21.4M).

Rank	Institution	Value	Shares	Change
1	Maple Rock Capital Partners Inc.	$68.3M	16.9M	Added
2	MMCAP International Inc. SPC	$44.4M	11.0M	Trimmed
3	DONALD SMITH & CO., INC.	$21.4M	5.3M	Trimmed
4	BlackRock, Inc.	$16.8M	4.1M	Added
5	Scheer, Rowlett & Associates Investment Management Ltd.	$15.7M	3.8M	Added
6	MORGAN STANLEY	$12.0M	3.0M	Added
7	AEGIS FINANCIAL CORP	$7.2M	1.8M	Hold
8	CDC Financial, Inc.	$7.2M	1.8M	Added
9	BRIGHTLINE CAPITAL MANAGEMENT, LLC	$6.7M	1.7M	New
10	LITTLEJOHN & CO LLC	$6.2M	1.5M	Trimmed
11	Connor, Clark & Lunn Investment Management Ltd.	$5.6M	1.4M	Trimmed
12	Sourcerock Group LLC	$5.1M	1.2M	Trimmed
13	MACKENZIE FINANCIAL CORP	$5.0M	1.3M	Added
14	TWO SIGMA INVESTMENTS, LP	$4.2M	1.0M	Added
15	LM Asset (IM) Inc.	$4.1M	1.0M	Trimmed
16	Bracebridge Capital, LLC	$3.7M	924,931	Hold
17	JB CAPITAL PARTNERS LP	$3.5M	872,277	Hold
18	CITADEL ADVISORS LLC	$3.4M	845,935	Added
19	Bain Capital Credit, LP	$3.3M	825,777	Hold
20	JPMORGAN CHASE & CO	$3.2M	810,208	Added
21	Ewing Morris & Co. Investment Partners Ltd.	$2.9M	722,350	Added
22	Quadrature Capital Ltd	$2.8M	682,493	Trimmed
23	D. E. Shaw & Co., Inc.	$2.7M	670,373	Added
24	TCW GROUP INC	$2.5M	607,478	Trimmed
25	Point72 Asset Management, L.P.	$2.3M	575,225	Added

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