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Algoma Steel Group Inc.

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

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

13F holders, Q1 2025

Institutional positions in Algoma Steel Group Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
130
−3 vs. Q4 2024
Shares held
77.3M
−3.84M (−4.7%) vs. Q4 2024
Total value
$426.1M
−$367.9M (−46.3%) vs. Q4 2024
New holders
20
43 more added
Sold out
23
39 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ASTL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 130 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 68 institutionsQ1 2022: 88 institutionsQ2 2022: 119 institutionsQ3 2022: 114 institutionsQ4 2022: 119 institutionsQ1 2023: 115 institutionsQ2 2023: 117 institutionsQ3 2023: 111 institutionsQ4 2023: 120 institutionsQ1 2024: 108 institutionsQ2 2024: 118 institutionsQ3 2024: 133 institutionsQ4 2024: 135 institutionsQ1 2025: 130 institutionsQ2 2025: 127 institutionsQ3 2025: 118 institutionsQ4 2025: 109 institutionsQ1 2026: 98 institutionsQ2 2026: 95 institutions
Value heldQ1 2025: $426.1M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $644.8MQ1 2022: $1.05BQ2 2022: $950.9MQ3 2022: $427.9MQ4 2022: $467.0MQ1 2023: $534.2MQ2 2023: $476.1MQ3 2023: $463.5MQ4 2023: $716.4MQ1 2024: $605.3MQ2 2024: $507.8MQ3 2024: $795.8MQ4 2024: $798.6MQ1 2025: $426.1MQ2 2025: $552.9MQ3 2025: $274.8MQ4 2025: $346.2MQ1 2026: $297.1MQ2 2026: $291.8M
Institutions holding ASTL and their total value by quarter
QuarterHoldersValue
Q2 202695$291.8M
Q1 202698$297.1M
Q4 2025109$346.2M
Q3 2025118$274.8M
Q2 2025127$552.9M
Q1 2025130$426.1M
Q4 2024135$798.6M
Q3 2024133$795.8M
Q2 2024118$507.8M
Q1 2024108$605.3M
Q4 2023120$716.4M
Q3 2023111$463.5M
Q2 2023117$476.1M
Q1 2023115$534.2M
Q4 2022119$467.0M
Q3 2022114$427.9M
Q2 2022119$950.9M
Q1 202288$1.05B
Q4 202168$644.8M
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q4 2024.

Institutions holding ASTL in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Aigen Investment Management, LP12,678$99.0K0.02%+12,678New
Two Sigma Investments, LP18,213$98.7K0.00%−18,387−50.2%Reduced
Alberta Investment Management Corp16,200$87.9K0.00%00.0%Unchanged
CI Private Wealth, LLC15,000$82.0K0.00%00.0%Unchanged
Net Worth Advisory Group14,776$80.1K0.03%−237−1.6%Reduced
Quadrature Capital Ltd14,094$76.2K0.00%+14,094New
Pictet Asset Management Holding SA13,901$75.4K0.00%00.0%Unchanged
Alliancebernstein L.P.12,180$66.0K0.00%00.0%Unchanged
Victory Capital Management Inc11,466$62.1K0.00%−112−1.0%Reduced
EJF Capital LLC11,000$59.6K0.04%+11,000New
Clayton Partners LLC10,715$58.1K0.05%+36+0.3%Added
Toronto Dominion Bank10,000$54.0K0.00%00.0%Unchanged
Caption Management, LLC9,654$52.3K0.00%−20,235−67.7%Reduced
Tower Research Capital LLC (TRC)8,118$44.0K0.00%+7,846+2,884.6%Added
FNY Investment Advisers, LLC7,030$38.0K0.02%+1,655+30.8%Added
Deutsche Bank AG6,626$35.9K0.00%00.0%Unchanged
Aviso Financial Inc.5,588$30.3K0.00%+1,587+39.7%Added
Shell Asset Management Co4,193$23.0K0.00%−1,247−22.9%Reduced
Point72 Hong Kong Ltd4,000$21.7K0.00%+4,000New
Walleye Trading LLC3,879$21.0K0.00%+3,879New
Citigroup Inc3,752$20.4K0.00%−23−0.6%Reduced
Federation des caisses Desjardins du Quebec3,000$16.2K0.00%00.0%Unchanged
Wells Fargo & Company2,375$12.9K0.00%−19,102−88.9%Reduced
TD Waterhouse Canada Inc.1,045$5.67K0.00%00.0%Unchanged
WealthCollab, LLC546$2.96K0.00%−323−37.2%Reduced
Skopos Labs, Inc.274$1.49K0.00%+274New
Arlington Trust Co LLC100$5420.00%+100New
SBI Securities Co., Ltd.60$3250.00%00.0%Unchanged
Boston Private Wealth LLC57$3090.00%+57New
Nuveen, LLC304,734––+304,734New
Yaupon Capital Management LP0$00.00%−1,084,601−100.0%Sold out
Empyrean Capital Partners, LP0$00.00%−922,000−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−500,000−100.0%Sold out
CastleKnight Management LP0$00.00%−262,000−100.0%Sold out
Mackenzie Financial Corp0$00.00%−199,774−100.0%Sold out
Bastion Asset Management Inc.0$00.00%−184,256−100.0%Sold out
Waratah Capital Advisors Ltd.0$00.00%−182,242−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−167,938−100.0%Sold out
Hartree Partners, LP0$00.00%−152,751−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−127,592−100.0%Sold out
Group One Trading, L.P.0$00.00%−108,543−100.0%Sold out
Jane Street Group, LLC0$00.00%−99,484−100.0%Sold out
PDT Partners, LLC0$00.00%−45,875−100.0%Sold out
Stifel Financial Corp0$00.00%−38,100−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−35,869−100.0%Sold out
SIG North Trading, ULC0$00.00%−35,528−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−12,000−100.0%Sold out
Scotia Capital Inc.0$00.00%−11,900−100.0%Sold out
Wexford Capital LP0$00.00%−10,500−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−6,565−100.0%Sold out
Simplex Trading, LLC0$00.00%−5,426−100.0%Sold out
Point72 Asia (Singapore) Pte. Ltd.0$00.00%−386−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−260−100.0%Sold out
Sonic GP LLC––––Not filed
Nuveen Asset Management, LLC––––Not filed