Algoma Steel Group Inc. (ASTL) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

78,816,533Shares Outstanding

10,152,805Shares held by institutions

$47,109,015Value of institutional holdings

106.15%Institutional ownership %

29.04%Shares Changed QoQ

103No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Algoma Steel Group Inc. (NASDAQ:ASTL) includes 103 filers as of the latest reporting cycle ending December 2025.

Algoma Steel saw its institutional ownership percentage rose to 106.2% in December 2025 from 95.9% in September 2025.
Quarterly data indicates a 29.04% shift in institutional share volume, and the annual owner count reflects a decrease of 23.13%.
Among the 103 institutional holders of Algoma Steel, 61 added to their stakes while 26 trimmed their positions and 16 held steady.
This class of investors increased its holdings in Algoma Steel to 83.66Mn shares for the 13F-cycle ending December 2025, up by 18.83Mn shares quarter on quarter, and up 1.01Mn shares year over year.
As of December 31, 2025, Maple Rock Capital Partners Inc. held Algoma Steel's largest shareholding position with over 14.43Mn shares, representing 18.31% of total outstanding shares.
Among the most significant buyers of Algoma Steel during December 2025 were Maple Rock Capital Partners Inc. (4.00Mn), LITTLEJOHN & CO LLC (3.45Mn), MMCAP International Inc. SPC (3.41Mn), Connor, Clark & Lunn Investment Management Ltd. (2.26Mn), CDC Financial, Inc. (1.58Mn).
Leading sellers of Algoma Steel stock in December 2025 included Quadrature Capital Ltd (511.00K), Scheer, Rowlett & Associates Investment Management Ltd. (492.40K), ROYAL BANK OF CANADA (387.43K), Jump Financial, LLC (343.52K), MORGAN STANLEY (251.56K).
The top 10 institutional holders of Algoma Steel for the quarter ending December 2025 included Maple Rock Capital Partners Inc. (14.43Mn), MMCAP International Inc. SPC (11.49Mn), BlackRock, Inc. (8.50Mn), DONALD SMITH & CO., INC. (5.86Mn), LITTLEJOHN & CO LLC (3.45Mn), Scheer, Rowlett & Associates Investment Management Ltd. (3.34Mn), INVESCO SENIOR SECURED MANAGEMENT INC /ADV (3.23Mn), GOLDENTREE ASSET MANAGEMENT LP (2.49Mn), Connor, Clark & Lunn Investment Management Ltd. (2.26Mn), FMR LLC (2.21Mn).

103 Institutional Holders

10,152,805 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Maple Rock Capital Partners Inc.	31 Dec, 2025	14,430,818	4,000,000	38.35%	$59,166,354.00
MMCAP International Inc. SPC	31 Dec, 2025	11,487,861	3,409,033	42.20%	$47,110,695.00
BlackRock, Inc.	31 Dec, 2025	8,501,903	1,168,799	15.94%	$34,857,801.00
DONALD SMITH & CO., INC.	31 Dec, 2025	5,861,631	-75,389	-1.27%	$24,032,687.00
LITTLEJOHN & CO LLC	31 Dec, 2025	3,446,503	3,446,503	0.00%	$14,130,662.00
Scheer, Rowlett & Associates Investment Management Ltd.	31 Dec, 2025	3,336,525	-492,404	-12.86%	$13,734,837.00
INVESCO SENIOR SECURED MANAGEMENT INC /ADV	31 Dec, 2025	3,233,117	0	0.00%	$18,267,111.00
GOLDENTREE ASSET MANAGEMENT LP	31 Dec, 2025	2,493,548	0	0.00%	$10,223,547.00
Connor, Clark & Lunn Investment Management Ltd.	31 Dec, 2025	2,264,863	2,264,863	0.00%	$9,323,330.00
FMR LLC	31 Dec, 2025	2,208,646	-6,000	-0.27%	$9,055,449.00
AEGIS FINANCIAL CORP	31 Dec, 2025	1,786,122	0	0.00%	$7,323,100.00
TD ASSET MANAGEMENT INC	31 Dec, 2025	1,687,420	1,571,184	1,351.72%	$6,955,260.00
CDC Financial, Inc.	31 Dec, 2025	1,580,749	1,580,749	0.00%	$6,481,071.00
LM Asset Management, Inc.	31 Dec, 2025	1,470,000	320,000	27.83%	$6,027,000.00
Verition Fund Management LLC	31 Dec, 2025	1,248,802	1,248,802	0.00%	$5,120,088.00
Solas Capital Management, LLC	31 Dec, 2025	1,069,351	-21,897	-2.01%	$4,384,339.00
MORGAN STANLEY	31 Dec, 2025	1,040,539	-251,564	-19.47%	$4,266,210.00
Quadrature Capital Ltd	31 Dec, 2025	1,018,100	-511,000	-33.42%	$4,195,288.00
UBS Group AG	31 Dec, 2025	944,764	371,288	64.74%	$3,873,533.00
Bracebridge Capital, LLC	31 Dec, 2025	924,931	0	0.00%	$3,792,217.00

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