Algoma Stl Group Inc

CUSIP 015658107COMASTLQ1 2026

13D / 13G Filings

Schedule 13D/13G on record

Beneficial Filers

Distinct reporting persons

Largest Stake

13.6%

Max % of class reported

Institutional Holders

13F filers (latest quarter)

35 filings · latest Feb 17, 2026

#	Filed	Reporting Person	Form	% of Class	Shares	Filing
1	Feb 17, 2026	Mmcap International Inc. Spc	13G/A	10.9%	92.31M	SEC
2	Feb 12, 2026	Donald Smith &Amp; Co., Inc.	13G	5.6%	5.86M	SEC
3	Nov 20, 2025	Mmcap International Inc. Spc	13G/A	10.0%	92.18M	SEC
4	Nov 14, 2025	Mmcap International Inc. Spc	13G/A	7.7%	92.30M	SEC
5	Nov 12, 2025	Donald Smith &Amp; Co., Inc.	13G	5.7%	5.94M	SEC
6	Nov 7, 2025	Maple Rock Capital Partners Inc.	13G/A	13.3%	13.99M	SEC
7	Sep 23, 2025	Zekelman Industries, Inc.	13D/A	3.1%	—	SEC
8	Aug 28, 2025	Maple Rock Capital Partners Inc.	13G	9.9%	10.43M	SEC
9	Aug 14, 2025	Mmcap International Inc. Spc	13G/A	6.9%	92.30M	SEC
10	Aug 14, 2025	Stoney Lonesome Hf LP	13G/A	5.4%	5.86M	SEC

See the full Schedule 13D/13G history for Algoma Stl Group Inc.

Largest reported positions · latest quarter

#	Fund	Shares	Value
1	Maple Rock Capital Partners Inc.	15.93M	$65.79M
2	Mmcap International Inc. Spc	12.85M	$53.05M
3	Donald Smith & Co., Inc.	6.03M	$24.90M
4	Blackrock, Inc.	4.12M	$17.00M
5	Littlejohn & Co LLC	3.45M	$14.23M
6	Scheer, Rowlett & Associates Investment Management Ltd.	3.21M	$13.24M
7	Aegis Financial Corp	1.79M	$7.38M
8	Lm Asset Management Inc.	1.76M	$7.29M
9	Connor, Clark & Lunn Investment Management Ltd.	1.73M	$7.12M
10	Cdc Financial, Inc.	1.61M	$6.66M