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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 2024

Institutional positions in Algoma Steel Group Inc. as of Mar 31, 2024. 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
108
−12 vs. Q4 2023
Shares held
71.3M
−121.2K (−0.2%) vs. Q4 2023
Total value
$605.3M
−$111.1M (−15.5%) vs. Q4 2023
New holders
9
31 more added
Sold out
21
43 more reduced

Compare with Q4 2023: 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 2024: 108 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 2024: $605.3M
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 2024

Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q4 2023.

Institutions holding ASTL in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Donald Smith & Co., Inc.9,758,398$82.8M1.93%+134,919+1.4%Added
MMCAP International Inc. SPC7,789,470$66.1M8.61%+4,700,510+152.2%Added
Maple Rock Capital Partners Inc.6,092,091$51.7M3.28%00.0%Unchanged
Thomist Capital Management, LP5,007,597$42.5M17.79%+2,508,133+100.3%Added
Contrarian Capital Management, L.L.C.3,936,095$33.4M9.12%−528,128−11.8%Reduced
Millennium Management LLC3,730,210$31.7M0.03%+537,314+16.8%Added
Invesco Senior Secured Management Inc2,806,214$23.8M14.02%00.0%Unchanged
Goldentree Asset Management LP2,493,548$21.2M1.68%−81,799−3.2%Reduced
TCW Group Inc2,431,227$20.6M0.21%00.0%Unchanged
Towle & Co2,034,892$17.3M2.03%−42,705−2.1%Reduced
Gendell Jeffrey L1,750,000$14.9M0.57%00.0%Unchanged
BlackRock Inc.1,590,036$13.5M0.00%+8,955+0.6%Added
Scheer, Rowlett & Associates Investment Management Ltd.1,455,820$12.4M0.92%−2,468−0.2%Reduced
Solas Capital Management, LLC1,462,213$12.4M7.98%+282,156+23.9%Added
Aegis Financial Corp1,460,022$12.4M10.52%−150,000−9.3%Reduced
Bain Capital Credit, LP1,432,368$12.2M2.34%−650,527−31.2%Reduced
Littlejohn & Co LLC1,233,715$10.5M6.73%+22,871+1.9%Added
Intact Investment Management Inc.1,136,200$9.69M0.38%+35,400+3.2%Added
JB Capital Partners LP992,177$8.42M1.59%00.0%Unchanged
Yaupon Capital Management LP902,573$7.66M0.66%+902,573New
Wolf Hill Capital Management, LP898,340$7.63M0.50%−17,683−1.9%Reduced
General American Investors Co Inc816,056$6.93M0.51%00.0%Unchanged
MSD Partners, L.P.810,000$6.88M0.55%00.0%Unchanged
CenterBook Partners LP636,501$5.40M0.37%+540,443+562.6%Added
Newtyn Management, LLC590,899$5.02M1.00%00.0%Unchanged
Morgan Stanley569,661$4.84M0.00%−24,557−4.1%Reduced
Bracebridge Capital, LLC487,931$4.14M0.79%+50,000+11.4%Added
Goldman Sachs Group Inc449,044$3.81M0.00%−77,640−14.7%Reduced
CastleKnight Management LP433,100$3.68M0.54%+87,600+25.4%Added
Russell Investments Group, Ltd.409,658$3.48M0.01%+158,526+63.1%Added
Sonic GP LLC400,000$3.40M4.48%00.0%Unchanged
Bank of Montreal358,268$3.06M0.00%−25,735−6.7%Reduced
JPMorgan Chase & Co334,055$2.84M0.00%+154,104+85.6%Added
Citadel Advisors LLC304,396$2.58M0.00%+24,202+8.6%Added
Maven Securities LTD300,000$2.55M0.15%+300,000New
Arrowstreet Capital, Limited Partnership298,066$2.54M0.00%−167,726−36.0%Reduced
Swiss National Bank196,107$1.67M0.00%+11,300+6.1%Added
CIBC World Markets Inc.187,464$1.59M0.00%−30,015−13.8%Reduced
TD Asset Management Inc166,675$1.42M0.00%+900+0.5%Added
American Century Companies Inc162,439$1.39M0.00%+131,496+425.0%Added
Mutual Advisors, LLC150,120$1.27M0.04%00.0%Unchanged
O'Shaughnessy Asset Management, LLC144,029$1.23M0.01%+144,029New
ExodusPoint Capital Management, LP128,732$1.09M0.01%+12,650+10.9%Added
Van Eck Associates Corp116,088$986.0K0.00%−7,633−6.2%Reduced
Geode Capital Management, LLC109,105$928.2K0.00%−184,826−62.9%Reduced
Hartree Partners, LP102,080$866.7K0.23%−63,014−38.2%Reduced
CIBC Asset Management Inc97,660$832.9K0.00%+10,245+11.7%Added
Group One Trading, L.P.93,996$798.0K0.03%−84,609−47.4%Reduced
HITE Hedge Asset Management LLC85,843$728.8K0.07%00.0%Unchanged
Jane Street Group, LLC83,522$709.1K0.00%−2,758−3.2%Reduced
Invenomic Capital Management LP82,786$702.9K0.04%−4,216−4.8%Reduced
SIG North Trading, ULC82,700$702.1K0.26%+82,700New
Manufacturers Life Insurance Company, The79,684$679.6K0.00%+8,197+11.5%Added
CoreCommodity Management, LLC78,732$668.4K0.24%−55,290−41.3%Reduced
Credit Suisse AG78,440$666.0K0.00%00.0%Unchanged
Legal & General Group Plc77,079$657.5K0.00%+870+1.1%Added
Nuveen Asset Management, LLC70,378$600.7K0.00%00.0%Unchanged
Vanguard Group Inc66,824$567.3K0.00%+5,236+8.5%Added
Gamco Investors, Inc. Et Al66,325$563.1K0.01%00.0%Unchanged
Invesco Ltd.64,914$551.1K0.00%−34,092−34.4%Reduced
British Columbia Investment Management Corp63,737$543.7K0.00%−15,437−19.5%Reduced
LPL Financial LLC64,040$543.7K0.00%−16,150−20.1%Reduced
Boston Partners62,137$527.5K0.00%+34,548+125.2%Added
Renaissance Technologies LLC61,000$518.0K0.00%−30,200−33.1%Reduced
Wealth Enhancement Advisory Services, LLC60,000$509.4K0.00%00.0%Unchanged
Marshall Wace, LLP58,801$499.2K0.00%+2,350+4.2%Added
Walleye Capital LLC55,158$468.3K0.01%+55,158New
Grantham, Mayo, Van Otterloo & Co. LLC53,084$453.1K0.00%−316−0.6%Reduced
Bank of America Corp50,657$430.1K0.00%+24,085+90.6%Added
Jump Financial, LLC47,500$403.3K0.01%−44,563−48.4%Reduced
D. E. Shaw & Co., Inc.41,292$350.8K0.00%−149,636−78.4%Reduced
National Bank of Canada32,800$259.1K0.00%+200+0.6%Added
EJF Capital LLC30,500$258.9K0.18%−7,012−18.7%Reduced
Barclays PLC29,078$246.9K0.00%+3,139+12.1%Added
Ancora Advisors, LLC26,500$225.0K0.01%00.0%Unchanged
Kepos Capital LP25,000$212.0K0.05%−12,800−33.9%Reduced
Alberta Investment Management Corp24,200$206.5K0.00%00.0%Unchanged
Franklin Resources Inc21,600$184.3K0.00%+21,600New
DekaBank Deutsche Girozentrale21,188$183.0K0.00%−1,787−7.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)19,329$164.1K0.00%00.0%Unchanged
Royal Bank of Canada19,027$161.0K0.00%−61,670−76.4%Reduced
Horizon Kinetics Asset Management LLC18,880$160.3K0.00%+73+0.4%Added
Two Sigma Investments, LP18,440$156.6K0.00%−180,640−90.7%Reduced
Squarepoint Ops LLC16,977$144.1K0.00%+16,977New
Pictet Asset Management Holding SA16,598$142.2K0.00%+3,072+22.7%Added
Gsa Capital Partners LLP16,049$136.0K0.01%−32,271−66.8%Reduced
CI Private Wealth, LLC15,000$127.3K0.00%00.0%Unchanged
Meixler Investment Management, Ltd.12,950$109.9K0.08%+775+6.4%Added
UBS Group AG12,882$109.4K0.00%−831−6.1%Reduced
MQS Management LLC12,800$108.7K0.06%−11,007−46.2%Reduced
Victory Capital Management Inc12,379$105.1K0.00%−193−1.5%Reduced
Alliancebernstein L.P.12,180$103.4K0.00%00.0%Unchanged
Toronto Dominion Bank12,073$102.5K0.00%−2,304−16.0%Reduced
Carnegie Capital Asset Management, LLC11,186$95.0K0.00%−63−0.6%Reduced
Prelude Capital Management, LLC10,500$89.1K0.01%−12−0.1%Reduced
National Philanthropic Trust10,000$84.9K0.00%00.0%Unchanged
Deutsche Bank AG6,626$56.3K0.00%00.0%Unchanged
Simplex Trading, LLC5,522$46.0K0.00%−139,758−96.2%Reduced
TD Waterhouse Canada Inc.4,538$45.6K0.00%+4,538New
Shell Asset Management Co5,440$38.0K0.00%−219−3.9%Reduced