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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 2023

Institutional positions in Algoma Steel Group Inc. as of Mar 31, 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
115
−3 vs. Q4 2022
Shares held
65.2M
−8.40M (−11.4%) vs. Q4 2022
Total value
$534.2M
+$67.4M (+14.4%) vs. Q4 2022
New holders
18
50 more added
Sold out
21
28 more reduced

1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 2023: 115 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 2023: $534.2M
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 2023

Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q4 2022.

Institutions holding ASTL in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Donald Smith & Co., Inc.7,294,665$58.9M2.17%+960,977+15.2%Added
Maple Rock Capital Partners Inc.6,491,299$52.4M5.14%00.0%Unchanged
Contrarian Capital Management, L.L.C.5,830,405$47.1M12.17%−656,497−10.1%Reduced
Bain Capital Credit, LP2,888,719$23.3M5.04%−1,604,854−35.7%Reduced
Invesco Senior Secured Management Inc2,806,214$22.7M32.94%00.0%Unchanged
Towle & Co2,626,990$21.2M2.99%+892,240+51.4%Added
Goldentree Asset Management LP2,423,282$19.6M1.83%+106,124+4.6%Added
Littlejohn & Co LLC2,373,157$19.2M11.64%−546,192−18.7%Reduced
TCW Group Inc2,266,258$18.3M0.23%+314,218+16.1%Added
Gendell Jeffrey L2,018,533$16.3M1.53%+73,153+3.8%Added
Philosophy Capital Management LLC1,378,918$11.1M2.33%−1,147,304−45.4%Reduced
Solas Capital Management, LLC1,327,751$10.7M5.73%+21,329+1.6%Added
Millennium Management LLC1,226,310$9.91M0.01%−207,487−14.5%Reduced
BlackRock Inc.1,223,100$9.88M0.00%+1,223,100New
Aegis Financial Corp1,217,098$9.83M7.63%+573,890+89.2%Added
Sonic GP LLC1,200,000$9.70M7.41%00.0%Unchanged
Wolf Hill Capital Management, LP1,188,798$9.61M1.03%−1,150,000−49.2%Reduced
FMR LLC1,160,877$9.38M0.00%00.0%Unchanged
Thomist Capital Management, LP1,223,323$9.33M5.51%+1,223,323New
Renaissance Technologies LLC1,095,600$8.85M0.01%−1,143,700−51.1%Reduced
Weiss Multi-Strategy Advisers LLC1,033,853$8.35M0.20%+733,853+244.6%Added
JB Capital Partners LP992,177$8.02M1.99%00.0%Unchanged
Intact Investment Management Inc.981,600$7.95M0.33%+981,600New
General American Investors Co Inc970,960$7.85M0.74%00.0%Unchanged
Man Group plc–$7.39M0.03%––
Crestline Management, LP892,347$7.21M0.88%+131,366+17.3%Added
MSD Partners, L.P.810,000$6.54M0.66%00.0%Unchanged
Arrowstreet Capital, Limited Partnership743,128$6.02M0.01%+119,529+19.2%Added
Newtyn Management, LLC590,899$4.77M0.94%00.0%Unchanged
Bank of Montreal510,127$4.22M0.00%+73,502+16.8%Added
HITE Hedge Asset Management LLC515,277$4.16M0.31%+60,000+13.2%Added
Morgan Stanley509,577$4.12M0.00%−58,722−10.3%Reduced
CIBC World Markets Inc.477,966$3.86M0.01%−8,377−1.7%Reduced
Citadel Advisors LLC439,196$3.55M0.00%+357,302+436.3%Added
PCJ Investment Counsel Ltd.427,530$3.46M1.37%+248,430+138.7%Added
Bracebridge Capital, LLC340,000$2.75M1.55%+340,000New
Geode Capital Management, LLC260,977$2.60M0.00%+129,943+99.2%Added
Susquehanna International Group, LLP305,745$2.47M0.00%+280,847+1,128.0%Added
TD Asset Management Inc246,992$2.00M0.00%+1,649+0.7%Added
American Century Companies Inc228,692$1.76M0.00%−61,537−21.2%Reduced
Walleye Capital LLC210,628$1.70M0.03%+53,470+34.0%Added
Public Sector Pension Investment Board204,811$1.66M0.01%+15,712+8.3%Added
Polar Asset Management Partners Inc.201,500$1.63M0.03%−65,339−24.5%Reduced
Swiss National Bank192,307$1.56M0.00%+51,600+36.7%Added
Mutual Advisors, LLC182,690$1.48M0.06%+182,690New
Invenomic Capital Management LP182,358$1.47M0.08%+4,110+2.3%Added
Hartree Partners, LP178,837$1.45M0.95%+23,395+15.1%Added
Marshall Wace, LLP169,335$1.37M0.00%+169,335New
Royal Bank of Canada156,828$1.27M0.00%+12,172+8.4%Added
Invesco Ltd.155,530$1.26M0.00%+113,870+273.3%Added
CenterBook Partners LP151,576$1.22M0.17%−34,078−18.4%Reduced
LPL Financial LLC145,385$1.17M0.00%+120,000+472.7%Added
Van Eck Associates Corp140,551$1.14M0.00%+38,686+38.0%Added
Grantham, Mayo, Van Otterloo & Co. LLC130,400$1.06M0.01%+37,300+40.1%Added
Simplex Trading, LLC122,717$991.0K0.04%+116,701+1,939.8%Added
Jane Street Group, LLC122,025$986.0K0.00%−105,435−46.4%Reduced
Diametric Capital, LP111,556$901.4K0.43%+66,274+146.4%Added
Bank of America Corp111,403$900.1K0.00%+91,857+470.0%Added
Hudson Bay Capital Management LP100,000$808.0K0.01%+100,000New
Connor, Clark & Lunn Investment Management Ltd.91,600$742.1K0.00%+28,500+45.2%Added
CIBC Asset Management Inc89,921$727.8K0.00%+723+0.8%Added
Neuberger Berman Group LLC80,382$650.4K0.00%−12,972−13.9%Reduced
Group One Trading, L.P.79,808$644.8K0.03%+78,638+6,721.2%Added
Credit Suisse AG78,927$637.7K0.00%+31,116+65.1%Added
Manufacturers Life Insurance Company, The70,929$574.3K0.00%−484−0.7%Reduced
Quadrature Capital Ltd70,983$574.3K0.02%+70,983New
Gamco Investors, Inc. Et Al62,325$503.6K0.01%+6,000+10.7%Added
Vanguard Group Inc61,588$497.6K0.00%+18,130+41.7%Added
British Columbia Investment Management Corp52,386$424.4K0.00%+10,964+26.5%Added
Walleye Trading LLC51,137$413.2K0.01%+4,565+9.8%Added
ARS Investment Partners, LLC51,000$412.1K0.05%+2,000+4.1%Added
Goldman Sachs Group Inc50,360$406.9K0.00%−29,535−37.0%Reduced
Franklin Resources Inc47,567$385.4K0.00%+9,013+23.4%Added
Nomura Holdings Inc44,790$361.9K0.00%00.0%Unchanged
National Bank of Canada42,623$345.1K0.00%−90−0.2%Reduced
Atria Wealth Solutions, Inc.40,500$327.2K0.00%+5,000+14.1%Added
Mackenzie Financial Corp38,241$309.8K0.00%−2,626−6.4%Reduced
Prelude Capital Management, LLC36,592$295.7K0.02%+4,134+12.7%Added
Alta Fundamental Advisers LLC33,384$269.7K0.11%+33,384New
DekaBank Deutsche Girozentrale30,741$251.0K0.00%00.0%Unchanged
SIG North Trading, ULC31,064$251.0K0.12%+31,064New
EJF Capital LLC27,000$218.2K0.08%00.0%Unchanged
Ancora Advisors, LLC26,500$214.1K0.01%−184,834−87.5%Reduced
O'Shaughnessy Asset Management, LLC24,955$201.6K0.00%+6,686+36.6%Added
Privium Fund Management (UK) Ltd19,074$199.9K0.16%00.0%Unchanged
Alberta Investment Management Corp24,200$195.8K0.00%−34,901−59.1%Reduced
Russell Investments Group, Ltd.24,045$190.9K0.00%−92,289−79.3%Reduced
Wolverine Trading, LLC23,899$185.0K0.01%+23,899New
Two Sigma Investments, LP21,600$174.5K0.00%+21,600New
Ergoteles LLC21,303$172.1K0.01%+21,303New
JPMorgan Chase & Co20,170$163.0K0.00%+20,170New
Horizon Kinetics Asset Management LLC18,520$149.6K0.00%+109+0.6%Added
Toronto Dominion Bank17,072$138.0K0.00%+1,187+7.5%Added
State of Wyoming16,269$131.5K0.04%−9,637−37.2%Reduced
Quantamental Technologies LLC15,826$127.9K0.07%+15,826New
Legal & General Group Plc14,999$121.4K0.00%+531+3.7%Added
CI Private Wealth, LLC15,000$121.2K0.00%+15,000New
Commerce Bank14,395$116.3K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)13,093$105.8K0.00%00.0%Unchanged
Alliancebernstein L.P.12,180$98.4K0.00%00.0%Unchanged