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ASTL · Insider trading · 13F holders · Congress trades

Algoma Steel Group (ASTL)

Who is buying and selling ASTL: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.

13F filers holding
14
Insider buys, 90 days
$0
Insider sales, 90 days
$0
Congress trades, 12 months
0

ASTL at a glance

  • No open-market insider purchases or sales of ASTL were filed in the last 90 days.
  • 14 13F filers hold ASTL among their 50 largest positions, worth $199.6M combined. The biggest bets by portfolio weight are CDC Financial, Inc. (5.4%), MMCAP International Inc. SPC (3.8%) and Ewing Morris & Co. Investment Partners Ltd. (1.5%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
  • No member of Congress has disclosed a trade in ASTL.

ASTL insider trading

No open-market insider purchases or sales of ASTL were filed in the last 90 days.

Who owns ASTL? Hedge funds and superinvestors

14 13F filers hold ASTL among their 50 largest positions, worth $199.6M combined. The biggest bets by portfolio weight are CDC Financial, Inc. (5.4%), MMCAP International Inc. SPC (3.8%) and Ewing Morris & Co. Investment Partners Ltd. (1.5%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.

13F filers holding ASTL
Manager% of portfolioValueSharesLast quarter13F
Maple Rock Capital Partners Inc.Hedge fund1.3%$68.3M16,861,818+5.8% sharesQ2 2026
MMCAP International Inc. SPCInvestment manager3.8%$44.4M10,954,738-14.7% sharesQ2 2026
Donald Smith & Co., Inc.Hedge fund0.4%$21.4M5,277,631-12.5% sharesQ2 2026
Scheer, Rowlett & Associates Investment Management Ltd.Asset manager1.1%$15.7M3,846,390+19.9% sharesQ2 2026
Aegis Financial CorpMutual fund manager1.1%$7.2M1,786,122+0.0% sharesQ2 2026
CDC Financial, Inc.Investment manager5.4%$7.1M1,745,647+8.2% sharesQ2 2026
Brightline Capital Management, LLCHedge fund1.5%$6.7M1,660,000NewQ2 2026
Littlejohn & Co LLCHedge fund7.8%$6.2M1,518,714-55.9% sharesQ2 2026
Sourcerock Group LLCHedge fund0.3%$5.1M1,247,507-4.5% sharesQ2 2026
LM Asset Management Inc.Asset manager2.8%$4.1M1,016,000-42.4% sharesQ2 2026
Bracebridge Capital, LLCHedge fund0.8%$3.7M924,931+0.0% sharesQ2 2026
Jb Capital Partners LPHedge fund0.5%$3.5M872,277+0.0% sharesQ2 2026
Bain Capital Credit, LPHedge fund0.9%$3.3M825,777+0.0% sharesQ2 2026
Ewing Morris & Co. Investment Partners Ltd.Hedge fund1.5%$2.9M722,350+1.7% sharesQ2 2026

Each manager counts with its latest 13F (Q2 2026: 14). Screen ASTL in the grand portfolio →

ASTL stock trades by members of Congress

No member of Congress has disclosed a trade in ASTL.

ASTL questions and answers

Are insiders buying ASTL stock?

No open-market insider purchases or sales of ASTL were filed in the last 90 days.

Which hedge funds own ASTL?

14 13F filers hold ASTL among their 50 largest positions, worth $199.6M combined. The biggest bets by portfolio weight are CDC Financial, Inc. (5.4%), MMCAP International Inc. SPC (3.8%) and Ewing Morris & Co. Investment Partners Ltd. (1.5%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.

Has Congress traded ASTL?

No member of Congress has disclosed a trade in ASTL.

Who is the largest holder of ASTL?

Among 13F filers, Maple Rock Capital Partners Inc. reports the largest ASTL position, $68.3M (16,861,818 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is CDC Financial, Inc.'s: 5.4% of its portfolio.

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