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Algoma Steel Group (ASTL) Institutional Ownership

Algoma Steel Group logo
$4.45 +0.06 (+1.37%)
As of 09/3/2026 04:00 PM Eastern
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Institutional Ownership Changes (13F Filings) for Algoma Steel Group (NASDAQ:ASTL)

Current
Institutional Ownership
Percentage
72.00%
Number of
Institutional Buyers
(last 12 months)
53
Total
Institutional Inflows
(last 12 months)
$136.16M
Number of
Institutional Sellers
(last 12 months)
21
Total
Institutional Outflows
(last 12 months)
$23.69M
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ASTL Institutional Buying and Selling by Quarter

Algoma Steel Group Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/2/2026 Citadel Advisors LLC845,935$3.43M0.0%+229.5%0.801%
8/17/2026 Littlejohn & Co. LLC1,518,714$6.15M0.0%N/A1.437%
8/17/2026 Corient Private Wealth LP15,000$61K0.0%N/A0.014%
8/17/2026 Bank of America Corp DE116,242$471K0.0%N/A0.110%
8/14/2026 Hsbc Holdings PLC53,267$214K0.0%N/A0.050%
8/14/2026 PDT Partners LLC73,079$296K0.0%N/A0.069%
8/13/2026 Cibc World Market Inc.25,300$102K0.0%N/A0.024%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.1,387,320$5.65M0.0%N/A1.313%
8/12/2026 Quantbot Technologies LP109,199$442K0.0%N/A0.103%
8/12/2026 JB Capital Partners LP872,277$3.53M0.0%N/A0.826%
8/11/2026 Donald Smith & CO. Inc.5,277,631$21.37M0.4%N/A4.995%
8/11/2026 LM Asset Management Inc.1,016,000$4.11M0.0%N/A0.962%
8/8/2026 Element Pointe Advisors LLC10,000$40K0.0%N/A0.009%
8/7/2026 BlackRock Inc.4,143,265$16.78M0.0%N/A3.921%
8/6/2026 GSA Capital Partners LLP66,463$269K0.0%N/A0.063%
5/19/2026 Bank of America Corp DE62,393$258K0.0%-88.1%0.059%
5/18/2026 Readystate Asset Management LP463,228$1.91M0.1%-27.7%0.440%
5/14/2026 Renaissance Technologies LLC117,276$484K0.0%N/A0.112%
5/7/2026 Dimensional Fund Advisors LP361,996$1.49M0.0%-5.6%0.344%
4/30/2026 Hsbc Holdings PLC54,379$222K0.0%+40.3%0.052%
4/20/2026 Assenagon Asset Management S.A.99,107$409K0.0%N/A0.094%
3/20/2026 Hsbc Holdings PLC38,754$159K0.0%+243.7%0.037%
2/19/2026 Invesco Ltd.66,713$274K0.0%+27.6%0.064%
2/18/2026 Mackenzie Financial Corp94,776$384K0.0%+74.3%0.090%
2/18/2026 XTX Topco Ltd143,704$589K0.0%+15.8%0.137%
2/18/2026 Quadrature Capital Ltd1,018,100$4.20M0.0%-33.4%0.970%
2/18/2026 Orion Resource Partners LP381,728$1.57M0.8%+173.8%0.364%
2/18/2026 Aristeia Capital L.L.C.120,260$493K0.0%N/A0.115%
2/17/2026 PDT Partners LLC78,804$323K0.0%+31.4%0.075%
2/17/2026 Maple Rock Capital Partners Inc.14,430,818$59.17M2.0%+38.3%13.744%
2/17/2026 PenderFund Capital Management Ltd.50,000$206K0.0%N/A0.048%
2/17/2026 FIL Ltd20,570$85K0.0%N/A0.020%
2/17/2026 Jump Financial LLC14,201$58K0.0%-96.0%0.014%
2/17/2026 Russell Investments Group Ltd.401,490$1.65M0.0%+5.5%0.382%
2/17/2026 ExodusPoint Capital Management LP26,340$108K0.0%-72.6%0.025%
2/17/2026 Royal Bank of Canada145,596$597K0.0%-72.7%0.139%
2/16/2026 Verition Fund Management LLC1,248,802$5.12M0.0%N/A1.189%
2/16/2026 Barclays PLC46,246$190K0.0%+12,432.8%0.044%
2/13/2026 LM Asset Management Inc.1,470,000$6.03M4.8%+27.8%1.400%
2/13/2026 Element Pointe Advisors LLC10,000$41K0.0%N/A0.010%
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2/13/2026 Charles Schwab Investment Management Inc.702,734$2.90M0.0%+37.7%0.669%
2/13/2026 Boston Partners68,598$281K0.0%+28.4%0.065%
2/13/2026 JB Capital Partners LP872,277$3.58M0.6%-12.1%0.831%
2/12/2026 Senvest Management LLC85,789$352K0.0%-68.8%0.082%
2/12/2026 Federation des caisses Desjardins du Quebec17,860$73K0.0%+101.6%0.017%
2/12/2026 Dimensional Fund Advisors LP383,587$1.57M0.0%-23.3%0.365%
2/12/2026 Bank of Montreal Can203,916$839K0.0%+7.3%0.194%
2/11/2026 Donald Smith & CO. Inc.5,861,631$24.03M0.5%-1.3%5.583%
2/11/2026 LPL Financial LLC62,194$255K0.0%+5.6%0.059%
2/11/2026 CenterBook Partners LP398,845$1.64M0.1%+70.2%0.380%
2/11/2026 Littlejohn & Co. LLC3,446,503$14.13M7.4%+27.9%3.282%
2/10/2026 Cibc World Market Inc.32,425$133K0.0%-51.1%0.031%
2/10/2026 TD Asset Management Inc1,687,420$6.96M0.0%+1,351.7%1.607%
2/10/2026 Goldman Sachs Group Inc.155,250$637K0.0%-27.9%0.148%
2/10/2026 Clear Harbor Asset Management LLC26,000$107K0.0%N/A0.025%
2/9/2026 MMCAP International Inc. SPC11,487,861$47.11M4.8%+42.2%10.941%
2/9/2026 Terril Brothers Inc.58,000$238K0.1%+39.8%0.055%
2/6/2026 Prescott Group Capital Management L.L.C.231,219$948K0.1%N/A0.220%
1/29/2026 UBS Group AG944,764$3.87M0.0%+64.7%0.900%
11/17/2025 NewEdge Advisors LLC28,299$101K0.0%+13.7%0.027%
11/17/2025 Prelude Capital Management LLC26,758$95K0.0%N/A0.025%
11/17/2025 Nomura Holdings Inc.46,000$164K0.0%N/A0.044%
11/17/2025 National Bank of Canada FI10,636$37K0.0%-49.7%0.010%
11/17/2025 Lighthouse Investment Partners LLC22,089$79K0.0%N/A0.021%
11/17/2025 Centiva Capital LP71,755$255K0.0%N/A0.068%
11/17/2025 Bank of America Corp DE272,005$967K0.0%+38.5%0.259%
11/14/2025 Maple Rock Capital Partners Inc.10,430,818$37.08M1.5%+24.2%9.940%
11/14/2025 Squarepoint Ops LLC43,303$154K0.0%+101.4%0.041%
11/14/2025 Quinn Opportunity Partners LLC142,336$506K0.0%-19.3%0.136%
11/13/2025 Boston Partners53,423$190K0.0%-21.4%0.051%
11/13/2025 Quadrature Capital Ltd1,529,100$5.44M0.1%+14,366.4%1.457%
11/13/2025 Contrarian Capital Management L.L.C.2,037,686$7.24M1.8%-43.0%1.942%
11/13/2025 UBS Group AG573,476$2.04M0.0%+238.7%0.547%
11/13/2025 BNP Paribas Financial Markets114,001$405K0.0%+9,447.8%0.109%
11/13/2025 Mackenzie Financial Corp54,363$193K0.0%+12.6%0.052%
11/13/2025 Van ECK Associates Corp158,682$564K0.0%+65.1%0.151%
11/13/2025 Russell Investments Group Ltd.380,598$1.35M0.0%-4.4%0.363%
11/12/2025 Dimensional Fund Advisors LP500,074$1.78M0.0%+15.8%0.477%
11/12/2025 Quantbot Technologies LP188,597$670K0.0%+126.8%0.180%
11/12/2025 Amitell Capital Pte Ltd864,585$3.07M1.9%-19.9%0.824%
11/10/2025 TD Asset Management Inc116,236$413K0.0%-91.5%0.111%
11/10/2025 MMCAP International Inc. SPC8,078,828$28.72M3.3%+11.9%7.699%
11/7/2025 CenterBook Partners LP234,317$833K0.0%-18.5%0.223%
11/7/2025 Readystate Asset Management LP640,324$2.28M0.1%+13.3%0.610%
11/7/2025 Heartland Advisors Inc.600,000$2.13M0.1%+20.0%0.572%
11/6/2025 Cibc World Market Inc.66,315$236K0.0%-33.2%0.063%
10/31/2025 General American Investors Co. Inc.280,136$996K0.1%-65.7%0.267%
10/30/2025 Olympiad Research LP20,758$74K0.1%N/A0.020%
10/7/2025 Assenagon Asset Management S.A.22,682$81K0.0%N/A0.022%
8/25/2025 NewGen Asset Management Ltd1,132,909$7.81M4.4%+54.7%1.080%
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8/15/2025 Ewing Morris & Co. Investment Partners Ltd.390,000$2.69M1.2%+85.7%0.372%
8/15/2025 Orion Resource Partners LP53,193$368K0.1%N/A0.051%
8/15/2025 Moore Capital Management LP212,331$1.46M0.0%N/A0.202%
8/15/2025 LM Asset IM Inc.890,000$6.13M5.7%-2.2%0.848%
8/15/2025 Engineers Gate Manager LP21,244$146K0.0%N/A0.020%
8/15/2025 Bank of America Corp DE196,364$1.35M0.0%-67.5%0.187%
8/15/2025 Adage Capital Partners GP L.L.C.157,991$1.09M0.0%N/A0.151%
8/14/2025 PDT Partners LLC44,172$304K0.0%N/A0.042%
8/14/2025 Raymond James Financial Inc.4,601$32K0.0%N/A0.004%
8/14/2025 Maple Rock Capital Partners Inc.8,396,800$57.85M2.8%+18.3%8.002%


ASTL Institutional Ownership - Frequently Asked Questions

During the previous two years, 132 institutional investors and hedge funds held shares of Algoma Steel Group. The most heavily invested institutionals were Maple Rock Capital Partners Inc. ($59.17M), MMCAP International Inc. SPC ($47.11M), FMR LLC ($36.01M), Thomist Capital Management LP ($33.82M), Scheer Rowlett & Associates Investment Management Ltd. ($26.98M), Donald Smith & CO. Inc. ($21.37M), and Towle & Co. ($18.10M).Learn more on Algoma Steel Group's institutional investors.

72.00% of Algoma Steel Group's stock is owned by institutional investors. Learn more on ASTL's institutional investor holdings.

Of the 110 institutional investors that purchased Algoma Steel Group's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Maple Rock Capital Partners Inc. ($7.33M), Donald Smith & CO. Inc. ($5.30M), MMCAP International Inc. SPC ($4.87M), BlackRock Inc. ($4.14M), FMR LLC ($3.52M), Connor Clark & Lunn Investment Management Ltd. ($2.96M), and TD Asset Management Inc ($2.77M).

Institutional investors have bought a total of 34,139,195 shares in the last 24 months. This purchase volume represents approximately $136.16M in transactions.

Of the 21 institutional investors that sold Algoma Steel Group's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Contrarian Capital Management L.L.C. ($1.53M), TD Asset Management Inc ($1.25M), General American Investors Co. Inc. ($535.92K), Quadrature Capital Ltd ($511K), Bank of America Corp DE ($459.96K), Royal Bank of Canada ($387.43K), and Jump Financial LLC ($343.53K).

Institutional investors have sold a total of 6,261,283 shares in the last 24 months. This volume of shares sold represents approximately $23.69M in transactions.


Related Companies

Institutional ownership data for NASDAQ:ASTL is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/2/2026. New 13F filings are added each quarter as they're published.
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