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Algoma Steel Group (ASTL) Institutional Ownership

Algoma Steel Group logo
$4.28 -0.18 (-4.04%)
Closing price 04:00 PM Eastern
Extended Trading
$4.34 +0.06 (+1.33%)
As of 07:57 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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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)
58
Total
Institutional Inflows
(last 12 months)
$134.15M
Number of
Institutional Sellers
(last 12 months)
22
Total
Institutional Outflows
(last 12 months)
$26.64M
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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
8/14/2026Hsbc Holdings PLC53,267$214K0.0%N/A0.050%
8/14/2026PDT 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$3.53B0.5%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$4.11B2.6%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%
5/19/2026Bank of America Corp DE62,393$258K0.0%-88.1%0.059%
5/18/2026Readystate 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%
4/30/2026Hsbc Holdings PLC54,379$222K0.0%+40.3%0.052%
4/20/2026 Assenagon Asset Management S.A.99,107$409K0.0%N/A0.094%
3/20/2026Hsbc Holdings PLC38,754$159K0.0%+243.7%0.037%
2/19/2026Invesco Ltd.66,713$274K0.0%+27.6%0.064%
2/18/2026 Mackenzie Financial Corp94,776$384K0.0%+74.3%0.090%
2/18/2026XTX Topco Ltd143,704$589K0.0%+15.8%0.137%
2/18/2026 Quadrature Capital Ltd1,018,100$4.20M0.0%-33.4%0.970%
2/18/2026Orion Resource Partners LP381,728$1.57M0.8%+173.8%0.364%
2/18/2026Aristeia Capital L.L.C.120,260$493K0.0%N/A0.115%
2/17/2026PDT Partners LLC78,804$323K0.0%+31.4%0.075%
2/17/2026Maple Rock Capital Partners Inc.14,430,818$59.17M2.0%+38.3%13.744%
2/17/2026PenderFund 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%
2/17/2026ExodusPoint Capital Management LP26,340$108K0.0%-72.6%0.025%
2/17/2026Royal Bank of Canada145,596$597K0.0%-72.7%0.139%
2/16/2026Verition Fund Management LLC1,248,802$5.12M0.0%N/A1.189%
2/16/2026Barclays 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%
2/13/2026Charles 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%
2/12/2026Senvest Management LLC85,789$352K0.0%-68.8%0.082%
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2/12/2026Federation 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%
2/11/2026Littlejohn & 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%
2/10/2026Goldman 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%
2/9/2026MMCAP 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%
11/17/2025Prelude Capital Management LLC26,758$95K0.0%N/A0.025%
11/17/2025Nomura Holdings Inc.46,000$164K0.0%N/A0.044%
11/17/2025 National Bank of Canada FI10,636$37K0.0%-49.7%0.010%
11/17/2025Lighthouse Investment Partners LLC22,089$79K0.0%N/A0.021%
11/17/2025 Centiva Capital LP71,755$255K0.0%N/A0.068%
11/17/2025Bank of America Corp DE272,005$967K0.0%+38.5%0.259%
11/14/2025Maple Rock Capital Partners Inc.10,430,818$37.08M1.5%+24.2%9.940%
11/14/2025Squarepoint Ops LLC43,303$154K0.0%+101.4%0.041%
11/14/2025Quinn 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%
11/13/2025Contrarian 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%
11/13/2025Van 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%
11/10/2025MMCAP 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%
11/7/2025Readystate 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%
8/15/2025Ewing Morris & Co. Investment Partners Ltd.390,000$2.69M1.2%+85.7%0.372%
8/15/2025Orion Resource Partners LP53,193$368K0.1%N/A0.051%
8/15/2025Moore 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%
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8/15/2025Engineers Gate Manager LP21,244$146K0.0%N/A0.020%
8/15/2025Bank of America Corp DE196,364$1.35M0.0%-67.5%0.187%
8/15/2025Adage Capital Partners GP L.L.C.157,991$1.09M0.0%N/A0.151%
8/14/2025PDT Partners LLC44,172$304K0.0%N/A0.042%
8/14/2025Raymond James Financial Inc.4,601$32K0.0%N/A0.004%
8/14/2025Maple Rock Capital Partners Inc.8,396,800$57.85M2.8%+18.3%8.002%
8/14/2025 Intact Investment Management Inc.2,007,006$13.87M0.5%+37.1%1.913%
8/13/2025 Donald Smith & CO. Inc.6,040,168$41.62M1.0%-25.3%5.756%
8/13/2025Invesco Ltd.44,451$306K0.0%-10.5%0.042%
8/13/2025 Arrowstreet Capital Limited Partnership1,134,086$7.83M0.0%+2.5%1.081%


ASTL Institutional Ownership - Frequently Asked Questions

During the previous two years, 133 institutional investors and hedge funds held shares of Algoma Steel Group. The most heavily invested institutionals were LM Asset Management Inc. ($4.11B), JB Capital Partners LP ($3.53B), Maple Rock Capital Partners Inc. ($59.17M), MMCAP International Inc. SPC ($47.11M), FMR LLC ($36.01M), Thomist Capital Management LP ($33.82M), and Scheer Rowlett & Associates Investment Management Ltd. ($26.98M).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 109 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 32,925,215 shares in the last 24 months. This purchase volume represents approximately $134.15M in transactions.

Of the 22 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), Bank of America Corp DE ($867.25K), General American Investors Co. Inc. ($535.92K), Quadrature Capital Ltd ($511K), Royal Bank of Canada ($387.43K), and Jump Financial LLC ($343.53K).

Institutional investors have sold a total of 6,688,571 shares in the last 24 months. This volume of shares sold represents approximately $26.64M in transactions.


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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 8/14/2026. New 13F filings are added each quarter as they're published.
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