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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 2025

Institutional positions in Algoma Steel Group Inc. as of Mar 31, 2025. 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
130
−3 vs. Q4 2024
Shares held
77.3M
−3.84M (−4.7%) vs. Q4 2024
Total value
$426.1M
−$367.9M (−46.3%) vs. Q4 2024
New holders
20
43 more added
Sold out
23
39 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 130 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 2025: $426.1M
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, Q1 2025

Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q4 2024.

Institutions holding ASTL in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Donald Smith & Co., Inc.8,088,120$43.8M1.07%+20,517+0.3%Added
Maple Rock Capital Partners Inc.7,100,000$38.5M2.81%+1,007,909+16.5%Added
MMCAP International Inc. SPC6,641,417$36.0M6.13%+21,414+0.3%Added
BlackRock, Inc.5,795,561$31.4M0.00%+212,227+3.8%Added
Invesco Senior Secured Management Inc3,233,117$25.3M29.82%00.0%Unchanged
FMR LLC4,595,646$24.9M0.00%+383,733+9.1%Added
Contrarian Capital Management, L.L.C.3,572,018$19.4M4.97%00.0%Unchanged
Scheer, Rowlett & Associates Investment Management Ltd.2,908,572$15.8M1.17%+729,210+33.5%Added
Goldentree Asset Management LP2,493,548$13.5M1.06%00.0%Unchanged
Littlejohn & Co LLC2,202,695$11.9M6.22%+722,138+48.8%Added
J. Goldman & Co LP1,864,177$10.1M0.36%+637,802+52.0%Added
Towle & Co1,801,665$9.77M2.13%−48,533−2.6%Reduced
Intact Investment Management Inc.1,463,761$7.95M0.27%+288,861+24.6%Added
Solas Capital Management, LLC1,460,646$7.92M4.45%+400,000+37.7%Added
Aegis Financial Corp1,459,903$7.91M6.75%00.0%Unchanged
TCW Group Inc1,408,221$7.63M0.07%−180,400−11.4%Reduced
AYAL Capital Advisors Ltd1,242,680$6.74M4.47%+293,396+30.9%Added
Woodline Partners LP1,240,894$6.73M0.04%−1,603,545−56.4%Reduced
Arrowstreet Capital, Limited Partnership1,106,685$6.00M0.00%−210,398−16.0%Reduced
JB Capital Partners LP992,177$5.38M1.13%00.0%Unchanged
Bracebridge Capital, LLC924,931$5.01M3.17%00.0%Unchanged
LM Asset (IM) Inc.910,000$4.93M5.07%+910,000New
Bain Capital Credit, LP837,212$4.54M1.11%00.0%Unchanged
General American Investors Co Inc816,056$4.42M0.33%00.0%Unchanged
Millennium Management LLC808,893$4.38M0.00%−3,142,005−79.5%Reduced
Thomist Capital Management, LP737,877$4.21M1.77%−2,759,654−78.9%Reduced
NewGen Asset Management Ltd732,500$3.97M3.84%+153,600+26.5%Added
Morgan Stanley656,729$3.56M0.00%+138,477+26.7%Added
Bank of America Corp603,652$3.27M0.00%+478,235+381.3%Added
Heartland Advisors Inc500,000$2.71M0.16%+300,000+150.0%Added
Walleye Capital LLC476,516$2.58M0.03%+251,756+112.0%Added
Dimensional Fund Advisors LP475,767$2.58M0.00%+35,407+8.0%Added
Cubist Systematic Strategies, LLC436,232$2.36M0.03%+436,199+1,321,815.2%Added
Russell Investments Group, Ltd.422,223$2.29M0.00%−8,746−2.0%Reduced
Charles Schwab Investment Management Inc415,143$2.25M0.00%+3,643+0.9%Added
Bank of Montreal353,064$1.92M0.00%+23,603+7.2%Added
JPMorgan Chase & Co351,371$1.90M0.00%+167,781+91.4%Added
Ewing Morris & Co. Investment Partners Ltd.210,000$1.65M0.52%+50,000+31.3%Added
Senvest Management, LLC275,089$1.49M0.06%+275,089New
AMH Equity Ltd270,003$1.46M2.26%−254,997−48.6%Reduced
CenterBook Partners LP262,166$1.42M0.09%−141,703−35.1%Reduced
Goldman Sachs Group Inc245,528$1.33M0.00%+23,659+10.7%Added
Renaissance Technologies LLC227,605$1.23M0.00%+138,231+154.7%Added
Wolf Hill Capital Management, LP213,712$1.16M0.10%−284,628−57.1%Reduced
Quinn Opportunity Partners LLC196,342$1.06M0.07%+174,342+792.5%Added
Swiss National Bank183,107$994.5K0.00%−2,100−1.1%Reduced
TD Asset Management Inc167,884$911.0K0.00%+5,325+3.3%Added
CIBC World Markets Inc.152,835$828.4K0.00%−16,953−10.0%Reduced
American Century Companies Inc143,137$776.8K0.00%−29,291−17.0%Reduced
Mutual Advisors, LLC146,802$753.1K0.02%00.0%Unchanged
Squarepoint Ops LLC127,543$691.3K0.00%+115,854+991.1%Added
CIBC Asset Management Inc120,021$651.7K0.00%+1,419+1.2%Added
Prescott Group Capital Management, L.L.C.120,000$650.4K0.09%+120,000New
Geode Capital Management, LLC114,459$623.1K0.00%−38,387−25.1%Reduced
Point72 Asset Management, L.P.107,700$583.7K0.00%+86,021+396.8%Added
Wolverine Trading, LLC99,460$567.9K0.02%+56,195+129.9%Added
UBS Group AG99,413$538.8K0.00%−30,798−23.7%Reduced
Y-Intercept (Hong Kong) Ltd94,846$514.1K0.03%+94,846New
Robotti Robert90,000$487.8K0.10%−60,000−40.0%Reduced
HITE Hedge Asset Management LLC85,843$465.3K0.03%−6,803−7.3%Reduced
Legal & General Group Plc79,620$432.1K0.00%−1,125−1.4%Reduced
Van Eck Associates Corp77,909$422.0K0.00%−25,646−24.8%Reduced
Vanguard Group Inc76,477$415.1K0.00%00.0%Unchanged
Citadel Advisors LLC75,414$408.7K0.00%−15,282−16.8%Reduced
UBS Asset Management Americas Inc73,661$399.2K0.00%00.0%Unchanged
OnyxPoint Global Management LP72,289$391.8K0.21%+124+0.2%Added
Manufacturers Life Insurance Company, The71,793$391.8K0.00%−10,264−12.5%Reduced
Marex Group plc72,167$391.1K0.01%00.0%Unchanged
Boston Partners69,258$375.4K0.00%−1,058−1.5%Reduced
Susquehanna International Group, LLP67,492$365.8K0.00%−63,100−48.3%Reduced
Weiss Asset Management LP65,000$352.3K0.01%00.0%Unchanged
Man Group plc64,995$352.3K0.00%+64,995New
Public Employees Retirement System of Ohio58,028$314.9K0.00%+10,831+22.9%Added
Centiva Capital, LP57,287$310.5K0.02%+57,287New
Occudo Quantitative Strategies LP54,269$309.9K0.04%+54,269New
BNP Paribas Arbitrage, SA56,297$305.1K0.00%+16,300+40.8%Added
Wealth Enhancement Advisory Services, LLC56,000$303.5K0.00%+1,000+1.8%Added
British Columbia Investment Management Corp53,789$292.0K0.00%+10,713+24.9%Added
Quantbot Technologies LP53,574$290.4K0.01%+35,102+190.0%Added
PCJ Investment Counsel Ltd.50,080$271.8K0.11%−94,350−65.3%Reduced
Invesco Ltd.49,683$269.3K0.00%−953−1.9%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC48,684$264.2K0.00%00.0%Unchanged
LPL Financial LLC48,021$260.3K0.00%+16,800+53.8%Added
Trexquant Investment LP43,076$233.5K0.00%+43,076New
National Bank of Canada40,717$221.0K0.00%−1,448−3.4%Reduced
Phoenix Holdings Ltd.35,714$195.4K0.00%00.0%Unchanged
Terril Brothers, Inc.35,500$192.4K0.09%+13,600+62.1%Added
DekaBank Deutsche Girozentrale21,188$183.0K0.00%00.0%Unchanged
XTX Topco Ltd33,357$180.8K0.01%+33,357New
Gamco Investors, Inc. Et Al30,675$166.3K0.00%−2,000−6.1%Reduced
Claret Asset Management Corp30,375$165.0K0.02%+30,375New
Balyasny Asset Management LLC29,063$157.5K0.00%+11,064+61.5%Added
GWM Advisors LLC24,526$132.9K0.00%00.0%Unchanged
Royal Bank of Canada23,922$130.0K0.00%−61,669−72.1%Reduced
Barclays PLC23,637$128.1K0.00%−139−0.6%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management21,773$118.0K0.00%00.0%Unchanged
PEAK6 LLC20,111$109.0K0.00%+20,111New
Campbell & CO Investment Adviser LLC20,089$108.9K0.01%−24,603−55.1%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)19,329$104.8K0.00%00.0%Unchanged
Jump Financial, LLC18,778$101.8K0.00%−2,059−9.9%Reduced