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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, Q2 2023

Institutional positions in Algoma Steel Group Inc. as of Jun 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
117
+2 vs. Q1 2023
Shares held
67.0M
+1.77M (+2.7%) vs. Q1 2023
Total value
$476.1M
−$58.0M (−10.9%) vs. Q1 2023
New holders
18
36 more added
Sold out
16
34 more reduced

Compare with Q1 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 holdersQ2 2023: 117 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 heldQ2 2023: $476.1M
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, Q2 2023

Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q1 2023.

Institutions holding ASTL in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Donald Smith & Co., Inc.7,490,581$53.2M1.83%+195,916+2.7%Added
Maple Rock Capital Partners Inc.6,092,091$43.3M5.51%−399,208−6.1%Reduced
Contrarian Capital Management, L.L.C.5,263,093$37.4M10.08%−567,312−9.7%Reduced
Weiss Multi-Strategy Advisers LLC2,943,164$20.9M0.45%+1,909,311+184.7%Added
Bain Capital Credit, LP2,888,719$20.5M3.58%00.0%Unchanged
Invesco Senior Secured Management Inc2,806,214$19.9M18.30%00.0%Unchanged
Thomist Capital Management, LP2,672,301$19.0M12.01%+1,448,978+118.4%Added
Towle & Co2,617,060$18.6M2.45%−9,930−0.4%Reduced
Goldentree Asset Management LP2,592,185$18.4M1.67%+168,903+7.0%Added
TCW Group Inc2,267,627$16.1M0.18%+1,369+0.1%Added
Littlejohn & Co LLC2,240,746$15.9M11.24%−132,411−5.6%Reduced
Gendell Jeffrey L2,023,891$14.4M1.12%+5,358+0.3%Added
Aegis Financial Corp1,610,022$11.4M7.95%+392,924+32.3%Added
Solas Capital Management, LLC1,593,618$11.3M7.53%+265,867+20.0%Added
BlackRock Inc.1,469,694$10.4M0.00%+246,594+20.2%Added
Philosophy Capital Management LLC1,333,117$9.47M2.11%−45,801−3.3%Reduced
Sonic GP LLC1,200,000$8.52M5.69%00.0%Unchanged
Millennium Management LLC1,165,268$8.27M0.01%−61,042−5.0%Reduced
FMR LLC1,160,877$8.24M0.00%00.0%Unchanged
Scheer, Rowlett & Associates Investment Management Ltd.1,143,860$8.08M0.65%+1,143,860New
Wolf Hill Capital Management, LP1,100,733$7.82M0.64%−88,065−7.4%Reduced
Intact Investment Management Inc.1,081,600$7.64M0.31%+100,000+10.2%Added
JB Capital Partners LP992,177$7.04M1.52%00.0%Unchanged
General American Investors Co Inc970,960$6.89M0.60%00.0%Unchanged
MSD Partners, L.P.810,000$5.75M0.53%00.0%Unchanged
Bank of Montreal542,559$4.22M0.00%+32,432+6.4%Added
Newtyn Management, LLC590,899$4.20M0.99%00.0%Unchanged
Crestline Management, LP582,392$4.13M0.45%−309,955−34.7%Reduced
Renaissance Technologies LLC483,900$3.44M0.00%−611,700−55.8%Reduced
Goldman Sachs Group Inc473,958$3.37M0.00%+423,598+841.1%Added
Morgan Stanley397,031$2.82M0.00%−112,546−22.1%Reduced
CIBC World Markets Inc.377,996$2.68M0.01%−99,970−20.9%Reduced
Geode Capital Management, LLC289,468$2.48M0.00%+28,491+10.9%Added
Bracebridge Capital, LLC340,000$2.41M1.92%00.0%Unchanged
CenterBook Partners LP283,094$2.01M0.25%+131,518+86.8%Added
TD Asset Management Inc262,958$1.86M0.00%+15,966+6.5%Added
Marshall Wace, LLP235,962$1.68M0.00%+66,627+39.3%Added
Polar Asset Management Partners Inc.231,231$1.64M0.03%+29,731+14.8%Added
Strategic Global Advisors, LLC211,700$1.50M0.23%+211,700New
Hartree Partners, LP207,244$1.47M0.75%+28,407+15.9%Added
Public Sector Pension Investment Board204,811$1.45M0.01%00.0%Unchanged
Swiss National Bank192,307$1.36M0.00%00.0%Unchanged
Simplex Trading, LLC189,747$1.35M0.06%+67,030+54.6%Added
CoreCommodity Management, LLC189,275$1.34M0.40%+189,275New
Mutual Advisors, LLC182,690$1.30M0.05%00.0%Unchanged
Invenomic Capital Management LP174,857$1.24M0.07%−7,501−4.1%Reduced
Royal Bank of Canada166,141$1.18M0.00%+9,313+5.9%Added
Russell Investments Group, Ltd.133,024$941.4K0.00%+108,979+453.2%Added
Grantham, Mayo, Van Otterloo & Co. LLC125,200$885.6K0.00%−5,200−4.0%Reduced
Van Eck Associates Corp113,716$807.0K0.00%−26,835−19.1%Reduced
Credit Suisse AG110,709$786.0K0.00%+31,782+40.3%Added
Stifel Financial Corp107,701$764.7K0.00%+107,701New
LPL Financial LLC106,065$753.1K0.00%−39,320−27.0%Reduced
Invesco Ltd.105,256$747.3K0.00%−50,274−32.3%Reduced
HITE Hedge Asset Management LLC85,843$609.5K0.07%−429,434−83.3%Reduced
CIBC Asset Management Inc85,646$605.6K0.00%−4,275−4.8%Reduced
Jane Street Group, LLC72,474$514.6K0.00%−49,551−40.6%Reduced
Manufacturers Life Insurance Company, The70,996$501.4K0.00%+67+0.1%Added
Group One Trading, L.P.68,792$488.4K0.02%−11,016−13.8%Reduced
Susquehanna International Group, LLP63,342$449.7K0.00%−242,403−79.3%Reduced
Gamco Investors, Inc. Et Al62,325$442.5K0.00%00.0%Unchanged
Vanguard Group Inc61,588$437.3K0.00%00.0%Unchanged
Citadel Advisors LLC58,208$413.3K0.00%−380,988−86.7%Reduced
Legal & General Group Plc56,991$403.1K0.00%+41,992+280.0%Added
British Columbia Investment Management Corp53,047$374.7K0.00%+661+1.3%Added
SIG North Trading, ULC52,464$372.5K0.20%+21,400+68.9%Added
Ergoteles LLC52,061$369.6K0.02%+30,758+144.4%Added
Lynwood Capital Management Inc.50,000$353.3K0.45%+50,000New
Black Maple Capital Management LP46,343$329.0K0.38%+46,343New
Franklin Resources Inc46,189$326.3K0.00%−1,378−2.9%Reduced
Gsa Capital Partners LLP45,411$322.0K0.03%+45,411New
Mackenzie Financial Corp43,909$310.2K0.00%+5,668+14.8%Added
Bank of America Corp43,432$308.4K0.00%−67,971−61.0%Reduced
JPMorgan Chase & Co41,066$291.6K0.00%+20,896+103.6%Added
Kepos Capital LP37,800$268.0K0.05%+37,800New
Atria Wealth Solutions, Inc.35,503$252.1K0.00%−4,997−12.3%Reduced
National Bank of Canada35,300$249.3K0.00%−7,323−17.2%Reduced
PEAK6 Investments LLC34,985$248.4K0.02%+34,985New
Toronto Dominion Bank34,074$241.0K0.00%+17,002+99.6%Added
Balyasny Asset Management LLC31,700$225.1K0.00%+31,700New
SEI Investments Co29,559$209.9K0.00%+29,559New
EJF Capital LLC27,000$191.7K0.09%00.0%Unchanged
Ancora Advisors, LLC26,500$188.2K0.00%00.0%Unchanged
State of Wyoming26,312$186.8K0.05%+10,043+61.7%Added
Privium Fund Management (UK) Ltd19,074$179.1K0.14%00.0%Unchanged
DekaBank Deutsche Girozentrale24,741$172.0K0.00%−6,000−19.5%Reduced
Alberta Investment Management Corp24,200$171.2K0.00%00.0%Unchanged
O'Shaughnessy Asset Management, LLC23,558$167.3K0.00%−1,397−5.6%Reduced
Barclays PLC23,548$167.2K0.00%+14,411+157.7%Added
Horizon Kinetics Asset Management LLC18,607$132.1K0.00%+87+0.5%Added
Quantbot Technologies LP16,113$114.4K0.01%+16,113New
CI Private Wealth, LLC15,000$106.5K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)13,093$93.0K0.00%00.0%Unchanged
Prelude Capital Management, LLC12,518$88.9K0.01%−24,074−65.8%Reduced
Keebeck Alpha, LP12,518$88.9K0.09%+12,518New
Alliancebernstein L.P.12,180$86.5K0.00%00.0%Unchanged
Pictet Asset Management SA12,157$86.3K0.00%00.0%Unchanged
Walleye Trading LLC12,108$86.0K0.00%−39,029−76.3%Reduced
Quantamental Technologies LLC11,406$81.0K0.03%−4,420−27.9%Reduced
Wolverine Trading, LLC11,179$79.4K0.00%−12,720−53.2%Reduced