Who Owns ALGOMA STEEL GRO (ASTL)? -- Institutional Holders (2026-06-30)
112 institutions reported holding $296.3M of ALGOMA STEEL GRO (ASTL) in SEC 13F filings for 2026-06-30. Largest institutional holders: Maple Rock Capital Partners Inc. ($68.3M), MMCAP International Inc. SPC ($44.4M), DONALD SMITH & CO., INC. ($21.4M), BlackRock, Inc. ($16.8M), Scheer, Rowlett & Associates Investment Management Ltd. ($15.7M). Source: SEC Form 13F.
| 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