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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, Q3 2023

Institutional positions in Algoma Steel Group Inc. as of Sep 30, 2023. 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
111
−5 vs. Q2 2023
Shares held
68.0M
+1.08M (+1.6%) vs. Q2 2023
Total value
$463.5M
−$12.6M (−2.6%) vs. Q2 2023
New holders
12
32 more added
Sold out
17
40 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 holdersQ3 2023: 111 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 heldQ3 2023: $463.5M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q2 2023.

Institutions holding ASTL in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Donald Smith & Co., Inc.7,663,949$52.1M1.79%+173,368+2.3%Added
Maple Rock Capital Partners Inc.6,092,091$41.4M4.82%00.0%Unchanged
Weiss Multi-Strategy Advisers LLC4,553,770$31.0M0.75%+1,610,606+54.7%Added
Contrarian Capital Management, L.L.C.4,464,223$30.4M8.14%−798,870−15.2%Reduced
Thomist Capital Management, LP3,185,914$21.7M14.38%+513,613+19.2%Added
Bain Capital Credit, LP2,860,447$19.5M3.16%−28,272−1.0%Reduced
Invesco Senior Secured Management Inc2,806,214$19.1M19.71%00.0%Unchanged
Millennium Management LLC2,682,053$18.2M0.02%+1,516,785+130.2%Added
Goldentree Asset Management LP2,592,185$17.6M1.86%00.0%Unchanged
TCW Group Inc2,413,227$16.4M0.21%+145,600+6.4%Added
Towle & Co2,333,217$15.9M2.17%−283,843−10.8%Reduced
Gendell Jeffrey L2,023,891$13.8M0.78%00.0%Unchanged
Littlejohn & Co LLC1,973,009$13.4M11.68%−267,737−11.9%Reduced
BlackRock Inc.1,784,698$12.1M0.00%+315,004+21.4%Added
Aegis Financial Corp1,610,022$10.9M6.67%00.0%Unchanged
Solas Capital Management, LLC1,525,461$10.4M7.26%−68,157−4.3%Reduced
Philosophy Capital Management LLC1,333,117$9.07M1.89%00.0%Unchanged
FMR LLC1,160,877$7.89M0.00%00.0%Unchanged
Scheer, Rowlett & Associates Investment Management Ltd.1,143,731$7.75M0.65%−1290.0%Reduced
Sonic GP LLC1,100,000$7.48M7.26%−100,000−8.3%Reduced
Wolf Hill Capital Management, LP1,091,147$7.42M0.68%−9,586−0.9%Reduced
Intact Investment Management Inc.1,083,600$7.35M0.32%+2,000+0.2%Added
JB Capital Partners LP992,177$6.75M1.67%00.0%Unchanged
General American Investors Co Inc970,960$6.60M0.59%00.0%Unchanged
MSD Partners, L.P.810,000$5.51M0.44%00.0%Unchanged
Newtyn Management, LLC590,899$4.02M0.99%00.0%Unchanged
Bank of Montreal504,952$3.89M0.00%−37,607−6.9%Reduced
Goldman Sachs Group Inc482,655$3.28M0.00%+8,697+1.8%Added
Morgan Stanley467,992$3.18M0.00%+70,961+17.9%Added
Bracebridge Capital, LLC437,931$2.98M2.67%+97,931+28.8%Added
Geode Capital Management, LLC266,922$2.21M0.00%−22,546−7.8%Reduced
CIBC World Markets Inc.281,344$1.91M0.01%−96,652−25.6%Reduced
TD Asset Management Inc253,163$1.72M0.00%−9,795−3.7%Reduced
Polar Asset Management Partners Inc.231,231$1.57M0.04%00.0%Unchanged
CenterBook Partners LP214,765$1.46M0.18%−68,329−24.1%Reduced
Public Sector Pension Investment Board210,337$1.43M0.01%+5,526+2.7%Added
Hartree Partners, LP207,244$1.41M0.58%00.0%Unchanged
Renaissance Technologies LLC205,478$1.40M0.00%−278,422−57.5%Reduced
Swiss National Bank192,307$1.32M0.00%00.0%Unchanged
CoreCommodity Management, LLC189,681$1.29M0.43%+406+0.2%Added
Mutual Advisors, LLC171,160$1.16M0.05%−11,530−6.3%Reduced
Invenomic Capital Management LP169,021$1.15M0.05%−5,836−3.3%Reduced
CastleKnight Management LP154,900$1.05M0.18%+154,900New
JPMorgan Chase & Co145,652$990.4K0.00%+104,586+254.7%Added
Russell Investments Group, Ltd.129,809$885.7K0.00%−3,215−2.4%Reduced
Royal Bank of Canada115,962$788.0K0.00%−50,179−30.2%Reduced
Credit Suisse AG103,245$702.1K0.00%−7,464−6.7%Reduced
Invesco Ltd.101,809$692.3K0.00%−3,447−3.3%Reduced
Citadel Advisors LLC95,022$646.1K0.00%+36,814+63.2%Added
Van Eck Associates Corp91,369$621.0K0.00%−22,347−19.7%Reduced
Simplex Trading, LLC87,731$596.0K0.02%−102,016−53.8%Reduced
CIBC Asset Management Inc87,585$595.7K0.00%+1,939+2.3%Added
HITE Hedge Asset Management LLC85,843$583.7K0.06%00.0%Unchanged
LPL Financial LLC75,315$512.1K0.00%−30,750−29.0%Reduced
Legal & General Group Plc72,509$493.9K0.00%+15,518+27.2%Added
Manufacturers Life Insurance Company, The70,215$479.5K0.00%−781−1.1%Reduced
Jump Financial, LLC66,945$455.2K0.02%+66,945New
Gamco Investors, Inc. Et Al64,325$437.4K0.01%+2,000+3.2%Added
Vanguard Group Inc61,588$418.8K0.00%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC60,000$408.0K0.00%+60,000New
British Columbia Investment Management Corp54,003$366.2K0.00%+956+1.8%Added
Grantham, Mayo, Van Otterloo & Co. LLC53,400$363.8K0.00%−71,800−57.3%Reduced
PDT Partners, LLC49,342$335.5K0.04%+49,342New
Black Maple Capital Management LP46,343$315.1K0.28%00.0%Unchanged
Mackenzie Financial Corp44,490$291.4K0.00%+581+1.3%Added
Susquehanna International Group, LLP39,402$267.9K0.00%−23,940−37.8%Reduced
Bank of America Corp38,183$259.6K0.00%−5,249−12.1%Reduced
Kepos Capital LP37,800$257.0K0.05%00.0%Unchanged
EJF Capital LLC36,458$247.9K0.11%+9,458+35.0%Added
Atria Wealth Solutions, Inc.35,506$241.4K0.00%+30.0%Added
National Bank of Canada35,600$234.6K0.00%+300+0.8%Added
Stifel Financial Corp33,685$229.1K0.00%−74,016−68.7%Reduced
Gsa Capital Partners LLP32,398$220.0K0.02%−13,013−28.7%Reduced
Occudo Quantitative Strategies LP31,551$214.5K0.03%+31,551New
Aigen Investment Management, LP27,306$185.7K0.03%+27,306New
Ancora Advisors, LLC26,500$180.2K0.00%00.0%Unchanged
DekaBank Deutsche Girozentrale24,741$170.0K0.00%00.0%Unchanged
Group One Trading, L.P.24,362$165.7K0.01%−44,430−64.6%Reduced
Alberta Investment Management Corp24,200$164.9K0.00%00.0%Unchanged
Barclays PLC23,235$158.0K0.00%−313−1.3%Reduced
Balyasny Asset Management LLC23,034$156.6K0.00%−8,666−27.3%Reduced
Diametric Capital, LP22,907$155.8K0.07%+22,907New
PEAK6 Investments LLC20,530$139.6K0.01%−14,455−41.3%Reduced
Horizon Kinetics Asset Management LLC18,702$127.2K0.00%+95+0.5%Added
Wolverine Trading, LLC16,978$115.5K0.00%+5,799+51.9%Added
Prelude Capital Management, LLC16,812$114.3K0.01%+4,294+34.3%Added
Toronto Dominion Bank15,775$107.3K0.00%−18,299−53.7%Reduced
CI Private Wealth, LLC15,000$102.0K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC14,300$97.2K0.00%+14,300New
Zurcher Kantonalbank (Zurich Cantonalbank)13,093$89.0K0.00%00.0%Unchanged
SIG North Trading, ULC12,800$87.0K0.04%−39,664−75.6%Reduced
Alliancebernstein L.P.12,180$82.8K0.00%00.0%Unchanged
Pictet Asset Management Holding SA12,157$82.7K0.00%+12,157New
Meixler Investment Management, Ltd.12,150$82.6K0.07%+12,150New
Carnegie Capital Asset Management, LLC11,249$76.5K0.00%+717+6.8%Added
UBS Group AG11,200$76.2K0.00%+109+1.0%Added
O'Shaughnessy Asset Management, LLC11,056$75.2K0.00%−12,502−53.1%Reduced
Man Group plc–$74.8K0.00%–New
JustInvest LLC10,712$72.8K0.00%+10,712New
Jane Street Group, LLC10,257$69.7K0.00%−62,217−85.8%Reduced