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Algoma Steel Group Inc.

ASTLW
Exchange
Nasdaq
Industry
Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
SEC CIK
0001860805

No open-market purchases or sales by Algoma Steel Group Inc. insiders were filed in the last 90 days; 20 institutions reported holding it in 13F filings for Q2 2026, worth $338.5K in total; no superinvestor holds it.

Other share classesASTL

Q4 2025 vs. Q3 2025

How the institutions holding Algoma Steel Group Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of ASTLW: Q3 2025 compared with Q4 2025
MeasureQ3 2025Q4 2025Change
Holders21210
Shares6.53M10.5M+3.97M (+60.8%)
Value$1.01M$498.7K−$509.5K (−50.5%)

New holders (4)

Institutions that held Algoma Steel Group Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to ASTLW in Q4 2025
InstitutionSharesValue% of portfolio
KLCM Advisors, Inc.100,000$7.50K0.00%
Wolverine Asset Management LLC22,497$1.69K0.00%
UBS Group AG1,220$920.00%
CDC Financial, Inc.4,152,696––

Sold out (4)

Institutions that held Algoma Steel Group Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ASTLW in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
CastleKnight Management LP290,000$44.5K
Gendell Jeffrey L93,408$14.3K
IHT Wealth Management, LLC20,000$3.07K
Zazove Associates LLC4,540$696