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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 2024

Institutional positions in Algoma Steel Group Inc. as of Sep 30, 2024. 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
133
+16 vs. Q2 2024
Shares held
78.3M
+8.48M (+12.1%) vs. Q2 2024
Total value
$795.8M
+$300.9M (+60.8%) vs. Q2 2024
New holders
29
37 more added
Sold out
13
42 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 133 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 2024: $795.8M
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 2024

Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q2 2024.

Institutions holding ASTL in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Donald Smith & Co., Inc.8,062,867$82.5M1.95%−784,584−8.9%Reduced
MMCAP International Inc. SPC6,997,328$71.6M9.96%−1,189,911−14.5%Reduced
Maple Rock Capital Partners Inc.6,092,091$62.3M3.54%00.0%Unchanged
BlackRock, Inc.5,091,510$52.1M0.00%+5,091,510New
Millennium Management LLC3,893,995$39.8M0.03%+149,323+4.0%Added
Thomist Capital Management, LP3,635,111$37.5M9.46%−1,342,498−27.0%Reduced
Contrarian Capital Management, L.L.C.3,623,198$37.1M11.27%−199,717−5.2%Reduced
FMR LLC3,519,803$36.0M0.00%+3,519,803New
Invesco Senior Secured Management Inc3,233,117$27.4M25.66%+426,903+15.2%Added
Goldentree Asset Management LP2,493,548$25.5M2.04%00.0%Unchanged
Scheer, Rowlett & Associates Investment Management Ltd.2,157,313$22.1M1.54%−23,970−1.1%Reduced
Towle & Co1,948,661$19.9M2.84%−58,666−2.9%Reduced
TCW Group Inc1,890,235$19.3M0.17%−144,749−7.1%Reduced
Woodline Partners LP1,786,922$18.3M0.15%+1,786,922New
Aegis Financial Corp1,459,903$14.9M12.74%00.0%Unchanged
Bain Capital Credit, LP1,432,368$14.7M3.03%00.0%Unchanged
Littlejohn & Co LLC1,385,409$14.2M7.21%+41,229+3.1%Added
Intact Investment Management Inc.1,298,600$13.3M0.44%+80,700+6.6%Added
J. Goldman & Co LP1,208,573$12.4M0.54%+130,727+12.1%Added
JB Capital Partners LP992,177$10.1M1.94%00.0%Unchanged
Solas Capital Management, LLC990,646$10.1M7.11%−715,523−41.9%Reduced
Bracebridge Capital, LLC924,931$9.46M3.60%+437,000+89.6%Added
Yaupon Capital Management LP895,906$9.17M0.61%+895,906New
General American Investors Co Inc816,056$8.35M0.58%00.0%Unchanged
MSD Partners, L.P.810,000$8.29M5.25%00.0%Unchanged
Invenomic Capital Management LP636,917$6.52M0.36%+336,687+112.1%Added
AYAL Capital Advisors Ltd612,500$6.27M3.60%+612,500New
AMH Equity Ltd553,175$5.66M7.45%+153,175+38.3%Added
NewGen Asset Management Ltd528,900$5.41M2.95%+528,900New
Wolf Hill Capital Management, LP498,340$5.10M0.49%00.0%Unchanged
Charles Schwab Investment Management Inc449,707$4.61M0.00%−39,071−8.0%Reduced
Russell Investments Group, Ltd.446,786$4.57M0.01%+13,783+3.2%Added
Sonic GP LLC400,000$4.09M9.35%00.0%Unchanged
JPMorgan Chase & Co357,367$3.66M0.00%+49,642+16.1%Added
Arrowstreet Capital, Limited Partnership350,107$3.59M0.00%−103,162−22.8%Reduced
Bank of Montreal315,082$3.24M0.00%−49,340−13.5%Reduced
Adage Capital Partners GP, L.L.C.300,000$3.07M0.01%+300,000New
CenterBook Partners LP298,888$3.06M0.19%+23,861+8.7%Added
Dimensional Fund Advisors LP270,595$2.77M0.00%+135,626+100.5%Added
CastleKnight Management LP262,000$2.68M0.31%−65,900−20.1%Reduced
Ewing Morris & Co. Investment Partners Ltd.160,000$2.22M1.07%+160,000New
Gendell Jeffrey L213,262$2.18M0.07%−1,536,738−87.8%Reduced
Goldman Sachs Group Inc204,590$2.09M0.00%−270,007−56.9%Reduced
Swiss National Bank194,507$2.00M0.00%−1,600−0.8%Reduced
PCJ Investment Counsel Ltd.183,500$1.88M0.59%+183,500New
CIBC World Markets Inc.174,954$1.79M0.00%−392−0.2%Reduced
American Century Companies Inc167,132$1.71M0.00%−141,411−45.8%Reduced
Boston Partners166,977$1.71M0.00%+5,778+3.6%Added
TD Asset Management Inc162,677$1.68M0.00%−4,598−2.7%Reduced
Geode Capital Management, LLC150,861$1.55M0.00%+41,835+38.4%Added
Robotti Robert150,000$1.53M0.23%+150,000New
Jane Street Group, LLC143,927$1.47M0.00%+113,377+371.1%Added
Mutual Advisors, LLC146,802$1.43M0.04%−3,318−2.2%Reduced
Consolidated Portfolio Review Corp135,071$1.38M0.31%+135,071New
Hartree Partners, LP105,767$1.08M0.31%+3,687+3.6%Added
CIBC Asset Management Inc101,567$1.04M0.00%−1,767−1.7%Reduced
Heartland Advisors Inc100,000$1.02M0.05%+100,000New
Van Eck Associates Corp99,611$953.0K0.00%−13,593−12.0%Reduced
HITE Hedge Asset Management LLC92,646$947.8K0.11%+6,803+7.9%Added
Citadel Advisors LLC91,276$933.8K0.00%−164,636−64.3%Reduced
Manufacturers Life Insurance Company, The81,150$832.2K0.00%−155−0.2%Reduced
Morgan Stanley80,762$826.2K0.00%−351,364−81.3%Reduced
Renaissance Technologies LLC80,400$822.5K0.00%−45,733−36.3%Reduced
PDT Partners, LLC80,337$821.8K0.07%+66,390+476.0%Added
Legal & General Group Plc77,079$790.8K0.00%00.0%Unchanged
Vanguard Group Inc76,477$783.7K0.00%00.0%Unchanged
UBS Asset Management Americas Inc73,661$753.6K0.00%−7,846−9.6%Reduced
Marex Group plc72,167$738.3K0.02%00.0%Unchanged
Nuveen Asset Management, LLC70,378$722.0K0.00%00.0%Unchanged
Weiss Asset Management LP65,000$665.0K0.02%+65,000New
GWM Advisors LLC64,577$660.6K0.00%+64,577New
Bank of America Corp63,438$649.0K0.00%+38,399+153.4%Added
Susquehanna International Group, LLP58,827$601.8K0.00%+35,599+153.3%Added
Wealth Enhancement Advisory Services, LLC55,000$562.6K0.00%−5,000−8.3%Reduced
Walleye Capital LLC54,247$554.9K0.01%+16,843+45.0%Added
Invesco Ltd.53,792$550.3K0.00%−9,800−15.4%Reduced
Waratah Capital Advisors Ltd.50,000$512.4K0.03%+50,000New
MYDA Advisors LLC50,000$511.5K0.15%+50,000New
Grantham, Mayo, Van Otterloo & Co. LLC48,684$499.5K0.00%−1,700−3.4%Reduced
Balyasny Asset Management LLC48,645$497.6K0.00%+23,477+93.3%Added
British Columbia Investment Management Corp46,486$476.3K0.00%−8,556−15.5%Reduced
Boothbay Fund Management, LLC46,321$473.9K0.01%+46,321New
Gsa Capital Partners LLP44,757$458.0K0.03%+8,502+23.5%Added
K.J. Harrison & Partners Inc46,800$457.7K0.07%+46,800New
SIG North Trading, ULC43,702$447.1K0.14%−47,798−52.2%Reduced
Voloridge Investment Management, LLC38,272$391.5K0.00%+38,272New
Stifel Financial Corp38,100$389.8K0.00%+38,100New
Phoenix Holdings Ltd.35,714$365.4K0.01%+35,714New
LPL Financial LLC33,621$343.9K0.00%−26,260−43.9%Reduced
National Bank of Canada32,100$329.0K0.00%−700−2.1%Reduced
Gamco Investors, Inc. Et Al31,325$320.5K0.00%−35,000−52.8%Reduced
Wolverine Trading, LLC30,790$317.4K0.01%+9,017+41.4%Added
EJF Capital LLC30,500$312.0K0.21%00.0%Unchanged
Quadrature Capital Ltd30,246$310.0K0.01%+18,557+158.8%Added
Royal Bank of Canada30,304$310.0K0.00%−129,481−81.0%Reduced
Caption Management, LLC30,000$306.9K0.03%+12,991+76.4%Added
Quantbot Technologies LP28,375$290.3K0.01%+25,330+831.9%Added
Ancora Advisors, LLC26,500$271.1K0.01%00.0%Unchanged
IMC-Chicago, LLC25,978$265.8K0.01%+25,978New
Two Sigma Investments, LP25,819$264.1K0.00%+25,819New