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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, Q4 2023

Institutional positions in Algoma Steel Group Inc. as of Dec 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
120
+10 vs. Q3 2023
Shares held
71.4M
+3.37M (+5.0%) vs. Q3 2023
Total value
$716.4M
+$253.0M (+54.6%) vs. Q3 2023
New holders
24
38 more added
Sold out
14
36 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 120 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 heldQ4 2023: $716.4M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q3 2023.

Institutions holding ASTL in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Donald Smith & Co., Inc.9,623,479$96.5M2.48%+1,959,530+25.6%Added
Maple Rock Capital Partners Inc.6,092,091$61.1M4.79%00.0%Unchanged
Weiss Multi-Strategy Advisers LLC4,527,319$45.4M1.15%−26,451−0.6%Reduced
Contrarian Capital Management, L.L.C.4,464,223$44.8M10.90%00.0%Unchanged
Millennium Management LLC3,192,896$32.0M0.03%+510,843+19.0%Added
MMCAP International Inc. SPC3,088,960$30.4M5.56%+3,088,960New
Invesco Senior Secured Management Inc2,806,214$28.1M27.42%00.0%Unchanged
Goldentree Asset Management LP2,575,347$25.8M2.68%−16,838−0.6%Reduced
Thomist Capital Management, LP2,499,464$25.3M11.19%−686,450−21.5%Reduced
TCW Group Inc2,431,227$24.4M0.27%+18,000+0.7%Added
Bain Capital Credit, LP2,082,895$20.9M3.62%−777,552−27.2%Reduced
Towle & Co2,077,597$20.8M2.41%−255,620−11.0%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd1,940,300$19.5M0.25%+1,940,300New
Gendell Jeffrey L1,750,000$17.6M0.95%−273,891−13.5%Reduced
Aegis Financial Corp1,610,022$16.1M9.78%00.0%Unchanged
BlackRock Inc.1,581,081$15.9M0.00%−203,617−11.4%Reduced
Scheer, Rowlett & Associates Investment Management Ltd.1,458,288$14.6M1.11%+314,557+27.5%Added
Littlejohn & Co LLC1,210,844$12.1M8.62%−762,165−38.6%Reduced
Solas Capital Management, LLC1,180,057$11.8M7.35%−345,404−22.6%Reduced
FMR LLC1,160,877$11.6M0.00%00.0%Unchanged
Intact Investment Management Inc.1,100,800$11.0M0.45%+17,200+1.6%Added
JB Capital Partners LP992,177$9.95M2.01%00.0%Unchanged
Wolf Hill Capital Management, LP916,023$9.19M0.79%−175,124−16.0%Reduced
General American Investors Co Inc816,056$8.19M0.68%−154,904−16.0%Reduced
MSD Partners, L.P.810,000$8.12M0.69%00.0%Unchanged
Morgan Stanley594,218$5.96M0.00%+126,226+27.0%Added
Newtyn Management, LLC590,899$5.93M1.16%00.0%Unchanged
Goldman Sachs Group Inc526,684$5.28M0.00%+44,029+9.1%Added
Arrowstreet Capital, Limited Partnership465,792$4.67M0.00%+465,792New
Bracebridge Capital, LLC437,931$4.39M3.51%00.0%Unchanged
Sonic GP LLC400,000$4.01M4.61%−700,000−63.6%Reduced
Bank of Montreal384,003$3.89M0.00%−120,949−24.0%Reduced
Geode Capital Management, LLC293,931$3.57M0.00%+27,009+10.1%Added
CastleKnight Management LP345,500$3.47M0.56%+190,600+123.0%Added
Citadel Advisors LLC280,194$2.81M0.00%+185,172+194.9%Added
Russell Investments Group, Ltd.251,132$2.53M0.00%+121,323+93.5%Added
CIBC World Markets Inc.217,479$2.18M0.01%−63,865−22.7%Reduced
Two Sigma Investments, LP199,080$2.00M0.00%+199,080New
D. E. Shaw & Co., Inc.190,928$1.92M0.00%+190,928New
Swiss National Bank184,807$1.86M0.00%−7,500−3.9%Reduced
JPMorgan Chase & Co179,951$1.80M0.00%+34,299+23.5%Added
Group One Trading, L.P.178,605$1.79M0.06%+154,243+633.1%Added
TD Asset Management Inc165,775$1.67M0.00%−87,388−34.5%Reduced
Hartree Partners, LP165,094$1.66M0.60%−42,150−20.3%Reduced
Mutual Advisors, LLC150,120$1.51M0.05%−21,040−12.3%Reduced
Simplex Trading, LLC145,280$1.46M0.05%+57,549+65.6%Added
CoreCommodity Management, LLC134,022$1.34M0.40%−55,659−29.3%Reduced
Van Eck Associates Corp123,721$1.24M0.00%+32,352+35.4%Added
ExodusPoint Capital Management, LP116,082$1.16M0.01%+116,082New
Invesco Ltd.99,006$993.0K0.00%−2,803−2.8%Reduced
CenterBook Partners LP96,058$963.5K0.12%−118,707−55.3%Reduced
Jump Financial, LLC92,063$923.4K0.03%+25,118+37.5%Added
Renaissance Technologies LLC91,200$915.0K0.00%−114,278−55.6%Reduced
Occudo Quantitative Strategies LP89,590$898.6K0.12%+58,039+184.0%Added
Marex Group plc89,167$894.3K0.04%+89,167New
CIBC Asset Management Inc87,415$880.2K0.00%−170−0.2%Reduced
Invenomic Capital Management LP87,002$872.6K0.05%−82,019−48.5%Reduced
Jane Street Group, LLC86,280$865.4K0.00%+76,023+741.2%Added
HITE Hedge Asset Management LLC85,843$861.0K0.09%00.0%Unchanged
Royal Bank of Canada80,697$810.0K0.00%−35,265−30.4%Reduced
LPL Financial LLC80,190$804.3K0.00%+4,875+6.5%Added
British Columbia Investment Management Corp79,174$794.7K0.01%+25,171+46.6%Added
Credit Suisse AG78,440$786.8K0.00%−24,805−24.0%Reduced
Legal & General Group Plc76,209$768.7K0.00%+3,700+5.1%Added
Manufacturers Life Insurance Company, The71,487$718.7K0.00%+1,272+1.8%Added
Nuveen Asset Management, LLC70,378$709.9K0.00%+70,378New
Gamco Investors, Inc. Et Al66,325$665.2K0.01%+2,000+3.1%Added
Vanguard Group Inc61,588$617.7K0.00%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC60,000$601.8K0.00%00.0%Unchanged
Marshall Wace, LLP56,451$566.2K0.00%+56,451New
Grantham, Mayo, Van Otterloo & Co. LLC53,400$538.6K0.00%00.0%Unchanged
Quantbot Technologies LP53,631$537.9K0.03%+50,231+1,477.4%Added
Polar Asset Management Partners Inc.52,498$527.4K0.01%−178,733−77.3%Reduced
Aigen Investment Management, LP48,993$491.4K0.09%+21,687+79.4%Added
Gsa Capital Partners LLP48,320$485.0K0.04%+15,922+49.1%Added
Wolverine Trading, LLC40,266$403.9K0.00%+23,288+137.2%Added
Kepos Capital LP37,800$379.0K0.12%00.0%Unchanged
EJF Capital LLC37,512$376.2K0.20%+1,054+2.9%Added
Atria Wealth Solutions, Inc.35,509$356.2K0.00%+30.0%Added
National Bank of Canada32,600$311.9K0.00%−3,000−8.4%Reduced
American Century Companies Inc30,943$310.6K0.00%+30,943New
Black Maple Capital Management LP29,343$294.3K0.27%−17,000−36.7%Reduced
Boston Partners27,589$276.7K0.00%+27,589New
Bank of America Corp26,572$266.5K0.00%−11,611−30.4%Reduced
Ancora Advisors, LLC26,500$265.8K0.01%00.0%Unchanged
Barclays PLC25,939$260.2K0.00%+2,704+11.6%Added
Alberta Investment Management Corp24,200$244.1K0.00%00.0%Unchanged
MQS Management LLC23,807$238.8K0.13%+23,807New
DekaBank Deutsche Girozentrale22,975$228.0K0.00%−1,766−7.1%Reduced
Susquehanna International Group, LLP20,656$207.2K0.00%−18,746−47.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)19,329$193.9K0.00%+6,236+47.6%Added
Horizon Kinetics Asset Management LLC18,807$188.6K0.00%+105+0.6%Added
Schonfeld Strategic Advisors LLC18,200$182.5K0.00%+3,900+27.3%Added
McAdam, LLC16,073$161.2K0.01%+16,073New
AYAL Capital Advisors Ltd16,000$160.5K0.13%+16,000New
CI Private Wealth, LLC15,000$150.4K0.00%00.0%Unchanged
Toronto Dominion Bank14,377$144.2K0.00%−1,398−8.9%Reduced
Two Sigma Advisers, LP14,200$142.4K0.00%+14,200New
UBS Group AG13,713$137.5K0.00%+2,513+22.4%Added
Pictet Asset Management Holding SA13,526$135.7K0.00%+1,369+11.3%Added