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

Q2 2024 vs. Q1 2024

How the institutions holding Algoma Steel Group Inc. changed between Q1 2024 and Q2 2024.

All holders in Q2 2024 All holders in Q1 2024

13F holders of ASTL: Q1 2024 compared with Q2 2024
Measure	Q1 2024	Of which not filed for Q2 2024	Q2 2024	Change
Holders	108	3	118	+13
Shares	71.3M	85.9K	71.6M	+444.0K (+0.6%)
Value	$605.3M	$721.4K	$507.8M	−$96.8M (−16.0%)

3 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (23)

Institutions that held Algoma Steel Group Inc. at the end of Q2 2024 but not at the end of Q1 2024.

Institutions new to ASTL in Q2 2024
Institution	Shares	Value	% of portfolio
J. Goldman & Co LP	1,077,846	$7.50M	0.28%
Charles Schwab Investment Management Inc	488,778	$3.39M	0.00%
AMH Equity Ltd	400,000	$2.78M	4.13%
Dimensional Fund Advisors LP	134,969	$939.1K	0.00%
UBS Asset Management Americas Inc	81,507	$567.3K	0.00%
Marex Group plc	72,167	$502.3K	0.01%
Polar Asset Management Partners Inc.	40,700	$283.3K	0.01%
Balyasny Asset Management LLC	25,168	$175.2K	0.00%
Susquehanna International Group, LLP	23,228	$161.7K	0.00%
Nebula Research & Development LLC	23,016	$160.2K	0.03%
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management	21,773	$151.5K	0.00%
Wolverine Trading, LLC	21,773	$151.5K	0.00%
Caption Management, LLC	17,009	$118.4K	0.01%
PDT Partners, LLC	13,947	$97.1K	0.01%
Quadrature Capital Ltd	11,689	$81.4K	0.00%
XTX Topco Ltd	10,496	$73.1K	0.01%
Clayton Partners LLC	10,482	$73.0K	0.06%
Bayesian Capital Management, LP	10,270	$71.5K	0.01%
Aviso Financial Inc.	3,531	$24.3K	0.00%
Quantbot Technologies LP	3,045	$21.2K	0.00%
Dunhill Financial, LLC	1,254	$8.73K	0.01%
Northwestern Mutual Wealth Management Co	500	$3.48K	0.00%
CWM, LLC	1	$0	0.00%

Sold out (10)

Institutions that held Algoma Steel Group Inc. at the end of Q1 2024 and filed for Q2 2024 without it.

Institutions that sold out of ASTL in Q2 2024
Institution	Shares, Q1 2024	Value, Q1 2024
Yaupon Capital Management LP	902,573	$7.66M
Newtyn Management, LLC	590,899	$5.02M
CoreCommodity Management, LLC	78,732	$668.4K
Marshall Wace, LLP	58,801	$499.2K
Jump Financial, LLC	47,500	$403.3K
Franklin Resources Inc	21,600	$184.3K
Two Sigma Investments, LP	18,440	$156.6K
Squarepoint Ops LLC	16,977	$144.1K
MQS Management LLC	12,800	$108.7K
Carnegie Capital Asset Management, LLC	11,186	$95.0K

Not filed for Q2 2024 yet (3)

Institutions that held Algoma Steel Group Inc. at the end of Q1 2024 and haven't filed a 13F for Q2 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ASTL in Q1 2024 that haven't filed for Q2 2024
Institution	Shares, Q1 2024	Value, Q1 2024
Credit Suisse AG	78,440	$666.0K
Shell Asset Management Co	5,440	$38.0K
Credential Qtrade Securities Inc.	2,048	$17.5K