Algoma Steel Group Inc.

ASTLNASDAQ

$4.45+0.11 (+2.53%)as of Oct 5, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Algoma Steel Group Inc. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+24.6%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Maple Rock Capital Partners Inc.	16.07%	$68.3M	1.34%	Add 5.84%
MMCAP International Inc. SPC	10.44%	$44.4M	3.76%	Reduce 14.72%
BlackRock, Inc.	3.95%	$16.8M	0.00%	Not reported
Scheer, Rowlett & Associates Investment Management Ltd.	3.67%	$15.7M	1.13%	Add 19.92%
Morgan Stanley	2.82%	$12M	0.00%	Not reported
Aegis Financial Corp	1.70%	$7.23M	1.14%	Not reported
CDC Financial, Inc.	1.66%	$7.07M	2.96%	Add 8.17%
Brightline Capital Management, LLC	1.58%	$6.72M	1.46%	New Not reported
Littlejohn & Co LLC	1.45%	$6.15M	7.83%	Reduce 55.93%
Mackenzie Financial Corp	1.27%	$4.96M	0.01%	Not reported
Sourcerock Group LLC	1.19%	$5.05M	0.26%	Reduce 4.51%
Two Sigma Investments, LP	0.99%	$4.22M	0.00%	Not reported
LM Asset Management Inc.	0.97%	$4.11M	2.55%	Reduce 42.44%
Bracebridge Capital, LLC	0.88%	$3.75M	0.07%	Not reported
JB Capital Partners LP	0.83%	$3.53M	0.55%	Not reported
Citadel Advisors LLC	0.81%	$3.43M	0.00%	Not reported
Bain Capital Credit, LP	0.79%	$3.34M	0.91%	Not reported
JPMorgan Chase & Co	0.77%	$3.25M	0.00%	Not reported
Ewing Morris & Co. Investment Partners Ltd.	0.69%	$2.94M	1.54%	Add 1.74%
Quadrature Capital Ltd	0.65%	$2.78M	0.02%	Not reported
D. E. Shaw & Co., Inc.	0.64%	$2.72M	0.00%	Not reported
TCW Group Inc	0.58%	$2.46M	0.02%	Reduce 20.92%
Point72 Asset Management, L.P.	0.55%	$2.33M	0.00%	Not reported
Marshall Wace, LLP	0.48%	$2.02M	0.00%	Not reported
Acadian Asset Management LLC	0.47%	$1.99M	0.00%	Not reported
Russell Investments Group, Ltd.	0.45%	$1.91M	0.00%	Not reported
Readystate Asset Management LP	0.44%	$1.88M	0.06%	Not reported
Charles Schwab Investment Management Inc	0.42%	$1.79M	0.00%	Not reported
BNP Paribas Financial Markets	0.40%	$1.7M	0.00%	Not reported
Millennium Management LLC	0.37%	$1.57M	0.00%	Not reported
Dimensional Fund Advisors LP	0.34%	$1.44M	0.00%	Not reported
Barclays PLC	0.29%	$1.25M	0.00%	Not reported
Voleon Capital Management LP	0.29%	$1.24M	0.02%	Add 134.72%
Jump Financial, LLC	0.28%	$1.17M	0.01%	Not reported
Bank of Montreal	0.27%	$1.17M	0.00%	Not reported
Goldman Sachs Group Inc	0.25%	$1.07M	0.00%	Not reported
Royal Bank of Canada	0.14%	$604K	0.00%	Not reported
Quinn Opportunity Partners LLC	0.14%	$576K	0.03%	Not reported
Simplex Trading, LLC	0.12%	$509K	0.00%	Not reported
XTX Topco Ltd	0.12%	$497K	0.01%	Not reported
Bank of America Corp	0.11%	$471K	0.00%	Not reported
Summit Financial, LLC	0.11%	$447K	0.00%	Not reported
ExodusPoint Capital Management, LP	0.10%	$412K	0.00%	Not reported
SIG North Trading, ULC	0.09%	$389K	0.01%	Reduce 44.06%
PDT Partners, LLC	0.07%	$296K	0.02%	Add 3.95%
Boothbay Fund Management, LLC	0.07%	$288K	0.00%	Not reported
Geode Capital Management, LLC	0.06%	$275K	0.00%	Not reported
Gsa Capital Partners LLP	0.06%	$269K	0.02%	Not reported
LPL Financial LLC	0.05%	$229K	0.00%	Not reported
Terril Brothers, Inc.	0.05%	$219K	0.06%	Reduce 6.90%

50 of 86 holders

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