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, Q2 2026
Institutional positions in Algoma Steel Group Inc. as of Jun 30, 2026. 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
- 95
- −3 vs. Q1 2026
- Shares held
- 72.1M
- +148.3K (+0.2%) vs. Q1 2026
- Total value
- $291.8M
- −$5.32M (−1.8%) vs. Q1 2026
- New holders
- 12
- 30 more added
- Sold out
- 15
- 36 more reduced
Compare with Q1 2026: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 95 | $291.8M |
| Q1 2026 | 98 | $297.1M |
| Q4 2025 | 109 | $346.4M |
| Q3 2025 | 118 | $274.9M |
| Q2 2025 | 127 | $553.7M |
| Q1 2025 | 130 | $454.3M |
| Q4 2024 | 135 | $802.4M |
| Q3 2024 | 133 | $799.5M |
| Q2 2024 | 118 | $509.9M |
| Q1 2024 | 108 | $641.6M |
| Q4 2023 | 120 | $724.2M |
| Q3 2023 | 111 | $482.7M |
| Q2 2023 | 117 | $476.4M |
| Q1 2023 | 115 | $544.3M |
| Q4 2022 | 119 | $484.8M |
| Q3 2022 | 114 | $446.1M |
| Q2 2022 | 119 | $976.7M |
| Q1 2022 | 88 | $1.06B |
| Q4 2021 | 68 | $644.8M |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Algoma Steel Group Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Maple Rock Capital Partners Inc. | 16,861,818 | $68.3M | 1.34% | +931,000+5.8% | Added |
| MMCAP International Inc. SPC | 10,954,738 | $44.4M | 3.76% | −1,890,884−14.7% | Reduced |
| Donald Smith & Co., Inc. | 5,277,631 | $21.4M | 0.38% | −751,298−12.5% | Reduced |
| BlackRock, Inc. | 4,143,265 | $16.8M | 0.00% | +27,812+0.7% | Added |
| Scheer, Rowlett & Associates Investment Management Ltd. | 3,846,390 | $15.7M | 1.13% | +638,910+19.9% | Added |
| Morgan Stanley | 2,958,350 | $12.0M | 0.00% | +1,474,639+99.4% | Added |
| Aegis Financial Corp | 1,786,122 | $7.23M | 1.14% | 00.0% | Unchanged |
| CDC Financial, Inc. | 1,745,647 | $7.07M | 5.43% | +131,898+8.2% | Added |
| Brightline Capital Management, LLC | 1,660,000 | $6.72M | 1.46% | +1,660,000 | New |
| Littlejohn & Co LLC | 1,518,714 | $6.15M | 7.83% | −1,927,789−55.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 1,387,320 | $5.65M | 0.01% | −338,438−19.6% | Reduced |
| Sourcerock Group LLC | 1,247,507 | $5.05M | 0.26% | −58,896−4.5% | Reduced |
| Mackenzie Financial Corp | 1,329,806 | $4.96M | 0.00% | +1,231,033+1,246.3% | Added |
| Two Sigma Investments, LP | 1,041,811 | $4.22M | 0.00% | +771,911+286.0% | Added |
| LM Asset (IM) Inc. | 1,016,000 | $4.11M | 2.85% | −749,000−42.4% | Reduced |
| Bracebridge Capital, LLC | 924,931 | $3.75M | 0.81% | 00.0% | Unchanged |
| JB Capital Partners LP | 872,277 | $3.53M | 0.55% | 00.0% | Unchanged |
| Citadel Advisors LLC | 845,935 | $3.43M | 0.00% | +578,192+216.0% | Added |
| Bain Capital Credit, LP | 825,777 | $3.34M | 0.91% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 810,208 | $3.25M | 0.00% | +579,391+251.0% | Added |
| Ewing Morris & Co. Investment Partners Ltd. | 722,350 | $2.94M | 1.54% | +12,350+1.7% | Added |
| Quadrature Capital Ltd | 682,493 | $2.78M | 0.02% | −196,047−22.3% | Reduced |
| D. E. Shaw & Co., Inc. | 670,373 | $2.72M | 0.00% | +399,829+147.8% | Added |
| TCW Group Inc | 607,478 | $2.46M | 0.02% | −160,700−20.9% | Reduced |
| Point72 Asset Management, L.P. | 575,225 | $2.33M | 0.00% | +501,309+678.2% | Added |
| TD Asset Management Inc | 498,279 | $2.03M | 0.00% | −343,625−40.8% | Reduced |
| Marshall Wace, LLP | 499,494 | $2.02M | 0.00% | +499,494 | New |
| Acadian Asset Management LLC | 488,194 | $1.99M | 0.00% | +473,394+3,198.6% | Added |
| Russell Investments Group, Ltd. | 471,288 | $1.91M | 0.00% | −100,278−17.5% | Reduced |
| Readystate Asset Management LP | 463,228 | $1.88M | 0.08% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 438,431 | $1.79M | 0.00% | −160,488−26.8% | Reduced |
| BNP Paribas Arbitrage, SA | 418,754 | $1.70M | 0.00% | +353,337+540.1% | Added |
| Millennium Management LLC | 386,942 | $1.57M | 0.00% | −379,469−49.5% | Reduced |
| Dimensional Fund Advisors LP | 356,116 | $1.44M | 0.00% | −5,880−1.6% | Reduced |
| Barclays PLC | 308,972 | $1.25M | 0.00% | +137,416+80.1% | Added |
| Voleon Capital Management LP | 307,297 | $1.24M | 0.02% | +176,378+134.7% | Added |
| Bank of Montreal | 288,488 | $1.17M | 0.00% | +15,875+5.8% | Added |
| Jump Financial, LLC | 289,675 | $1.17M | 0.01% | +289,675 | New |
| Goldman Sachs Group Inc | 264,994 | $1.07M | 0.00% | +12,537+5.0% | Added |
| Royal Bank of Canada | 149,303 | $604.0K | 0.00% | +2,482+1.7% | Added |
| Quinn Opportunity Partners LLC | 142,336 | $576.5K | 0.03% | 00.0% | Unchanged |
| Simplex Trading, LLC | 125,725 | $509.2K | 0.01% | −29,180−18.8% | Reduced |
| XTX Topco Ltd | 122,662 | $496.8K | 0.01% | −59,685−32.7% | Reduced |
| Bank of America Corp | 116,242 | $470.8K | 0.00% | +53,849+86.3% | Added |
| Summit Financial, LLC | 110,333 | $446.8K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 109,199 | $442.3K | 0.02% | −48,729−30.9% | Reduced |
| ExodusPoint Capital Management, LP | 101,746 | $412.1K | 0.00% | −127,817−55.7% | Reduced |
| SIG North Trading, ULC | 96,117 | $389.3K | 0.07% | −75,700−44.1% | Reduced |
| Boston Partners | 88,825 | $359.7K | 0.00% | +1,758+2.0% | Added |
| PDT Partners, LLC | 73,079 | $296.0K | 0.02% | +2,775+3.9% | Added |
| Boothbay Fund Management, LLC | 71,194 | $288.3K | 0.01% | +26,124+58.0% | Added |
| Geode Capital Management, LLC | 67,859 | $274.8K | 0.00% | +4,046+6.3% | Added |
| Gsa Capital Partners LLP | 66,463 | $269.0K | 0.02% | +11,480+20.9% | Added |
| LPL Financial LLC | 56,526 | $228.9K | 0.00% | −3,268−5.5% | Reduced |
| Terril Brothers, Inc. | 54,000 | $218.7K | 0.06% | −4,000−6.9% | Reduced |
| HSBC Holdings PLC | 53,267 | $213.6K | 0.00% | −1,112−2.0% | Reduced |
| Jane Street Group, LLC | 52,687 | $213.4K | 0.00% | −842,879−94.1% | Reduced |
| American Century Companies Inc | 50,800 | $207.0K | 0.00% | +9,724+23.7% | Added |
| Invesco Ltd. | 42,054 | $170.3K | 0.00% | −17,096−28.9% | Reduced |
| Squarepoint Ops LLC | 41,806 | $169.3K | 0.00% | −22,368−34.9% | Reduced |
| Campbell & CO Investment Adviser LLC | 41,049 | $166.2K | 0.01% | +41,049 | New |
| Phoenix Holdings Ltd. | 35,714 | $144.6K | 0.00% | 00.0% | Unchanged |
| Lavaca Capital LLC | 35,573 | $144.1K | 0.02% | +35,573 | New |
| Y-Intercept (Hong Kong) Ltd | 35,549 | $144.0K | 0.00% | +35,549 | New |
| Group One Trading, L.P. | 34,896 | $141.3K | 0.00% | −50,760−59.3% | Reduced |
| Prelude Capital Management, LLC | 31,881 | $129.1K | 0.01% | +31,881 | New |
| Claret Asset Management Corp | 30,375 | $123.0K | 0.01% | 00.0% | Unchanged |
| GWM Advisors LLC | 27,899 | $113.0K | 0.00% | −400−1.4% | Reduced |
| Verition Fund Management LLC | 26,803 | $108.6K | 0.00% | 00.0% | Unchanged |
| Keebeck Alpha, LP | 25,736 | $104.2K | 0.22% | +25,736 | New |
| CIBC World Markets Inc. | 25,300 | $102.5K | 0.00% | −251−1.0% | Reduced |
| FIL Ltd | 22,908 | $93.4K | 0.00% | −8,053−26.0% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 21,773 | $88.2K | 0.00% | 00.0% | Unchanged |
| Net Worth Advisory Group | 20,833 | $84.4K | 0.02% | −1,555−6.9% | Reduced |
| Federation des caisses Desjardins du Quebec | 18,360 | $73.8K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 11,223 | $45.5K | 0.00% | +416+3.8% | Added |
| Aquatic Capital Management LLC | 11,173 | $45.3K | 0.00% | −36,084−76.4% | Reduced |
| EJF Capital LLC | 11,000 | $44.5K | 0.03% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 10,886 | $44.0K | 0.00% | +10,886 | New |
| Toronto Dominion Bank | 10,000 | $41.0K | 0.00% | −16,178−61.8% | Reduced |
| Element Pointe Advisors, LLC | 10,000 | $40.5K | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 8,294 | $33.6K | 0.00% | −298,663−97.3% | Reduced |
| Citigroup Inc | 6,849 | $27.9K | 0.00% | +3,613+111.7% | Added |
| TD Waterhouse Canada Inc. | 6,700 | $25.6K | 0.00% | +2,000+42.6% | Added |
| Aviso Financial Inc. | 6,164 | $25.1K | 0.00% | +131+2.2% | Added |
| Assetmark, Inc | 2,500 | $10.1K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 1,682 | $6.81K | 0.00% | −1−0.1% | Reduced |
| Jones Financial Companies LLLP | 878 | $3.67K | 0.00% | +878 | New |
| FNY Investment Advisers, LLC | 830 | $3.00K | 0.00% | −64,458−98.7% | Reduced |
| Caitong International Asset Management Co., Ltd | 128 | $518 | 0.00% | +128 | New |
| UMA Financial Services, Inc. | 111 | $450 | 0.00% | +111 | New |
| Arlington Trust Co LLC | 100 | $405 | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 78 | $316 | 0.00% | −3,777−98.0% | Reduced |
| Basepoint Wealth LLC | 51 | $208 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 50 | $203 | 0.00% | −1−2.0% | Reduced |
| Solas Capital Management, LLC | 0 | $0 | 0.00% | −1,047,454−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −467,190−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −233,509−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −117,276−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −99,107−100.0% | Sold out |