Algoma Steel Group Inc.

ASTL

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

SEC filings (opens in a new tab)

No open-market purchases or sales by Algoma Steel Group Inc. insiders were filed in the last 90 days; 95 institutions reported holding it in 13F filings for Q2 2026, worth $291.8M in total; no superinvestor holds it.

Other share classesASTLW

Q3 2024 vs. Q2 2024

How the institutions holding Algoma Steel Group Inc. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024 All holders in Q2 2024

13F holders of ASTL: Q2 2024 compared with Q3 2024
Measure	Q2 2024	Of which not filed for Q3 2024	Q3 2024	Change
Holders	118	1	133	+16
Shares	71.6M	1.84M	78.3M	+8.48M (+12.1%)
Value	$507.8M	$12.8M	$795.8M	+$300.9M (+60.8%)

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (29)

Institutions that held Algoma Steel Group Inc. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to ASTL in Q3 2024
Institution	Shares	Value	% of portfolio
BlackRock, Inc.	5,091,510	$52.1M	0.00%
FMR LLC	3,519,803	$36.0M	0.00%
Woodline Partners LP	1,786,922	$18.3M	0.15%
Yaupon Capital Management LP	895,906	$9.17M	0.61%
AYAL Capital Advisors Ltd	612,500	$6.27M	3.60%
NewGen Asset Management Ltd	528,900	$5.41M	2.95%
Adage Capital Partners GP, L.L.C.	300,000	$3.07M	0.01%
Ewing Morris & Co. Investment Partners Ltd.	160,000	$2.22M	1.07%
PCJ Investment Counsel Ltd.	183,500	$1.88M	0.59%
Robotti Robert	150,000	$1.53M	0.23%
Consolidated Portfolio Review Corp	135,071	$1.38M	0.31%
Heartland Advisors Inc	100,000	$1.02M	0.05%
Weiss Asset Management LP	65,000	$665.0K	0.02%
GWM Advisors LLC	64,577	$660.6K	0.00%
Waratah Capital Advisors Ltd.	50,000	$512.4K	0.03%
MYDA Advisors LLC	50,000	$511.5K	0.15%
Boothbay Fund Management, LLC	46,321	$473.9K	0.01%
K.J. Harrison & Partners Inc	46,800	$457.7K	0.07%
Voloridge Investment Management, LLC	38,272	$391.5K	0.00%
Stifel Financial Corp	38,100	$389.8K	0.00%
Phoenix Holdings Ltd.	35,714	$365.4K	0.01%
IMC-Chicago, LLC	25,978	$265.8K	0.01%
Two Sigma Investments, LP	25,819	$264.1K	0.00%
Quinn Opportunity Partners LLC	24,533	$251.0K	0.03%
Scotia Capital Inc.	17,429	$174.3K	0.00%
Net Worth Advisory Group	15,539	$159.0K	0.05%
JustInvest LLC	10,766	$110.1K	0.00%
Wexford Capital LP	10,500	$107.4K	0.03%
Shell Asset Management Co	5,440	$56.0K	0.00%

Sold out (13)

Institutions that held Algoma Steel Group Inc. at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of ASTL in Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
ExodusPoint Capital Management, LP	134,644	$937.0K
Maven Securities LTD	100,000	$696.0K
Group One Trading, L.P.	83,540	$581.4K
Polar Asset Management Partners Inc.	40,700	$283.3K
D. E. Shaw & Co., Inc.	26,946	$187.5K
Nebula Research & Development LLC	23,016	$160.2K
CI Private Wealth, LLC	15,000	$104.4K
O'Shaughnessy Asset Management, LLC	14,471	$100.4K
Bayesian Capital Management, LP	10,270	$71.5K
CVA Family Office, LLC	2,000	$13.9K
Dunhill Financial, LLC	1,254	$8.73K
Northwestern Mutual Wealth Management Co	500	$3.48K
CWM, LLC	1	$0

Not filed for Q3 2024 yet (1)

Institutions that held Algoma Steel Group Inc. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ASTL in Q2 2024 that haven't filed for Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
BlackRock Inc.	1,840,466	$12.8M