Algoma Steel GroupASTL

13F holders, Q2 2026 (June 30)
95holders −3
12new positions
15sold out
4famous investors
$4.05avg. 13F price*

At the end of Q2 2026, 95 institutions reported holding Algoma Steel Group Inc. (ASTL) in their 13F filings, down 3 from Q1 2026. 12 opened new positions and 15 sold out. The largest holders were Maple Rock Capital Partners Inc. ($68.3M), MMCAP International Inc. SPC ($44.4M) and Donald Smith & Co., Inc. ($21.4M). 4 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).

Company
Algoma Steel Group Inc.
CUSIP
015658107
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 108Q1 2024Q2 2024: 118Q2 2024Q3 2024: 133Q3 2024Q4 2024: 135Q4 2024Q1 2025: 130Q1 2025Q2 2025: 127Q2 2025Q3 2025: 118Q3 2025Q4 2025: 109Q4 2025Q1 2026: 98Q1 2026Q2 2026: 95Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions12$10.7M
Exits15$9.4M

All 13F filers, Q1 2026 → Q2 2026: 11,196,569 shares bought and 11,048,275 shares sold, net +148,294 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 95 holders

Maple Rock Capital Partners Inc. 1.34% Add +5.8% 16,861,818 $68.3M
MMCAP International Inc. SPC 3.84% Reduce -14.7% 10,954,738 $44.4M
Donald Smith & Co., Inc. 0.38% Reduce -12.5% 5,277,631 $21.4M
BlackRock, Inc. 0.00% Add +0.7% 4,143,265 $16.8M
Scheer, Rowlett & Associates Investment Management Ltd. 1.13% Add +19.9% 3,846,390 $15.7M
Morgan Stanley 0.00% Add +99.4% 2,958,350 $12.0M
Aegis Financial Corp. 1.14% No change 1,786,122 $7.2M
CDC Financial, Inc. 5.44% Add +8.2% 1,745,647 $7.1M
Brightline Capital Management, LLC 1.46% New 1,660,000 $6.7M
Littlejohn & Co. LLC 7.83% Reduce -55.9% 1,518,714 $6.2M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Reduce -19.6% 1,387,320 $5.6M
Sourcerock Group LLC 0.26% Reduce -4.5% 1,247,507 $5.1M
Mackenzie Financial Corp. 0.01% Add +1246.3% 1,329,806 $5.0M
Two Sigma Investments, LP 0.00% Add +286.0% 1,041,811 $4.2M
LM Asset Management Inc. 2.85% Reduce -42.4% 1,016,000 $4.1M
Bracebridge Capital, LLC 0.81% No change 924,931 $3.7M
JB Capital Partners LP 0.55% No change 872,277 $3.5M
Citadel Advisors 0.00% Add +215.9% 845,935 $3.4M
Bain Capital Credit, LP 0.91% No change 825,777 $3.3M
JPMorgan Chase & Co. 0.00% Add +251.0% 810,208 $3.2M
Ewing Morris & Co. Investment Partners Ltd. 1.54% Add +1.7% 722,350 $2.9M
Quadrature Capital Ltd 0.02% Reduce -22.3% 682,493 $2.8M
D. E. Shaw & Co. 0.00% Add +147.8% 670,373 $2.7M
TCW Group Inc. 0.02% Reduce -20.9% 607,478 $2.5M
Point72 Asset Management 0.00% Add +678.2% 575,225 $2.3M
TD Asset Management Inc 0.00% Reduce -40.8% 498,279 $2.0M
Marshall Wace, LLP 0.00% New 499,494 $2.0M
Acadian Asset Management LLC 0.00% Add +3198.6% 488,194 $2.0M
Russell Investments Group, Ltd. 0.00% Reduce -17.5% 471,288 $1.9M
Readystate Asset Management LP 0.12% No change 463,228 $1.9M
Charles Schwab Investment Management Inc. 0.00% Reduce -26.8% 438,431 $1.8M
BNP Paribas Financial Markets 0.00% Add +540.1% 418,754 $1.7M
Millennium Management 0.00% Reduce -49.5% 386,942 $1.6M
Dimensional Fund Advisors LP 0.00% Reduce -1.6% 356,116 $1.4M
Barclays PLC 0.00% Add +80.1% 308,972 $1.3M
Voleon Capital Management LP 0.02% Add +134.7% 307,297 $1.2M
Bank of Montreal 0.00% Add +5.8% 288,488 $1.2M
Jump Financial, LLC 0.01% New 289,675 $1.2M
Goldman Sachs Group Inc. 0.00% Add +5.0% 264,994 $1.1M
Royal Bank of Canada 0.00% Add +1.7% 149,303 $604K
Quinn Opportunity Partners LLC 0.03% No change 142,336 $576K
Simplex Trading, LLC 0.01% Reduce -18.8% 125,725 $509K
XTX Topco Ltd 0.01% Reduce -32.7% 122,662 $497K
Bank of America Corp. 0.00% Add +86.3% 116,242 $471K
Summit Financial, LLC 0.00% No change 110,333 $447K
Quantbot Technologies LP 0.02% Reduce -30.9% 109,199 $442K
ExodusPoint Capital Management, LP 0.00% Reduce -55.7% 101,746 $412K
SIG North Trading, ULC 0.07% Reduce -44.1% 96,117 $389K
Boston Partners 0.00% Add +2.0% 88,825 $360K
PDT Partners, LLC 0.02% Add +4.0% 73,079 $296K
Boothbay Fund Management, LLC 0.01% Add +58.0% 71,194 $288K
Geode Capital Management, LLC 0.00% Add +6.3% 67,859 $275K
Gsa Capital Partners LLP 0.02% Add +20.9% 66,463 $269K
LPL Financial LLC 0.00% Reduce -5.5% 56,526 $229K
Terril Brothers, Inc. 0.06% Reduce -6.9% 54,000 $219K
HSBC Holdings PLC 0.00% Reduce -2.0% 53,267 $214K
Jane Street Group, LLC 0.00% Reduce -94.1% 52,687 $213K
American Century Companies Inc. 0.00% Add +23.7% 50,800 $207K
Invesco Ltd. 0.00% Reduce -28.9% 42,054 $170K
Squarepoint Ops LLC 0.00% Reduce -34.9% 41,806 $169K
Campbell & CO Investment Adviser LLC 0.01% New 41,049 $166K
Phoenix Financial Ltd. 0.00% No change 35,714 $145K
Lavaca Capital LLC 0.01% New 35,573 $144K
Y-Intercept (Hong Kong) Ltd 0.00% New 35,549 $144K
Group One Trading LLC 0.00% Reduce -59.3% 34,896 $141K
Prelude Capital Management, LLC 0.01% New 31,881 $129K
Claret Asset Management Corp 0.01% No change 30,375 $123K
NewEdge Advisors, LLC 0.00% Reduce -1.4% 27,899 $113K
Verition Fund Management LLC 0.00% No change 26,803 $109K
Olympiad Research LP 0.22% New 25,736 $104K
Cibc World Market Inc. 0.00% Reduce -1.0% 25,300 $102K
FIL Ltd 0.00% Reduce -26.0% 22,908 $93K
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management 0.00% No change 21,773 $88K
Net Worth Advisory Group 0.02% Reduce -7.0% 20,833 $84K
Federation des caisses Desjardins du Quebec 0.00% No change 18,360 $74K
Victory Capital Management Inc. 0.00% Add +3.9% 11,223 $45K
Aquatic Capital Management LLC 0.00% Reduce -76.4% 11,173 $45K
EJF Capital LP 0.03% No change 11,000 $45K
SG Americas Securities, LLC 0.00% New 10,886 $44K
Toronto Dominion Bank 0.00% Reduce -61.8% 10,000 $41K
Element Pointe Advisors, LLC 0.01% No change 10,000 $41K
UBS Group AG 0.00% Reduce -97.3% 8,294 $34K
Citigroup Inc. 0.00% Add +111.7% 6,849 $28K
TD Waterhouse Canada Inc. 0.00% Add +42.5% 6,700 $26K
Aviso Financial Inc. 0.00% Add +2.2% 6,164 $25K
Assetmark, Inc. 0.00% No change 2,500 $10K
Osaic Holdings, Inc. 0.00% Reduce -0.1% 1,682 $7K
Jones Financial Companies LLLP 0.00% New 878 $4K
FNY Investment Advisers, LLC 0.00% Reduce -98.7% 830 $3K
Caitong International Asset Management Co., Ltd 0.00% New 128 $518
Physician Wealth Advisors, Inc. 0.00% New 111 $450
Arlington Trust Co LLC 0.00% No change 100 $405
Tower Research Capital LLC (TRC) 0.00% Reduce -98.0% 78 $316
Basepoint Wealth LLC 0.00% No change 51 $208
SBI Securities Co., Ltd. 0.00% Reduce -2.0% 50 $203

"% of holder's portfolio" is ASTL's weight in each manager's 13F, not the share of Algoma Steel Group Inc. the manager owns.