Algoma Steel Group Inc. - ASTL

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Maple Rock Capital Partners Inc. History Added to 14,430,818 59,166 1.95% 1.46% 1 +4,000,000 38.35% Q4 2025 Feb 17, 2026
MMCAP International Inc. SPC History Added to 11,487,861 47,110 4.71% 3.34% 2 +3,409,033 42.2% Q4 2025 Feb 09, 2026
BlackRock, Inc. History Added to 8,501,903 34,857 0.0% 0.0% 3 +1,168,799 15.94% Q4 2025 Feb 12, 2026
DONALD SMITH & CO., INC. History Reduced 5,861,631 24,032 0.45% 0.42% 4 -75,389 -1.27% Q4 2025 Feb 11, 2026
INVESCO SENIOR SECURED MANAGEMENT INC /ADV History No change 3,233,117 18,267 44.65% 35.04% 5 0 0.0% Q4 2025 Feb 13, 2026
LITTLEJOHN & CO LLC History Added to 3,446,503 14,130 7.36% 4.83% 6 +752,616 27.94% Q4 2025 Feb 11, 2026
Scheer, Rowlett & Associates Investment Management Ltd. History Reduced 3,336,525 13,734 0.94% 0.81% 7 -492,404 -12.86% Q4 2025 Feb 10, 2026
CDC Financial, Inc. History New 2,508,349 11,073 5.18% 8 +2,508,349 New Q4 2025 Feb 13, 2026
GOLDENTREE ASSET MANAGEMENT LP History No change 2,493,548 10,223 0.55% 4.61% 9 0 0.0% Q4 2025 Feb 17, 2026
Connor, Clark & Lunn Investment Management Ltd. History New 2,264,863 9,323 0.02% 10 +2,264,863 New Q4 2025 Feb 10, 2026
FMR LLC History Reduced 2,208,646 9,055 0.0% 0.0% 11 -6,000 -0.27% Q4 2025 Feb 17, 2026
AEGIS FINANCIAL CORP History No change 1,786,122 7,323 1.75% 2.43% 12 0 0.0% Q4 2025 Feb 12, 2026
TD ASSET MANAGEMENT INC History Added to 1,687,420 6,955 0.01% 0.0% 13 +1,571,184 1351.72% Q4 2025 Feb 10, 2026
LM Asset Management, Inc. History Added to 1,470,000 6,027 4.77% 3.09% 14 +320,000 27.83% Q4 2025 Feb 13, 2026
Verition Fund Management LLC History New 1,248,802 5,120 0.02% 15 +1,248,802 New Q4 2025 Feb 13, 2026
Solas Capital Management, LLC History Reduced 1,069,351 4,384 2.49% 2.37% 16 -21,897 -2.01% Q4 2025 Feb 17, 2026
MORGAN STANLEY History Reduced 1,040,539 4,266 0.0% 0.0% 17 -251,564 -19.47% Q4 2025 Feb 13, 2026
Quadrature Capital Ltd History Reduced 1,018,100 4,195 0.04% 0.06% 18 -511,000 -33.42% Q4 2025 Feb 17, 2026
CITADEL ADVISORS LLC History Reduced 981,304 4,023 0.0% 0.0% 19 -88,856 -8.3% Q4 2025 Feb 17, 2026
UBS Group AG History Added to 944,764 3,873 0.0% 0.0% 20 +371,288 64.74% Q4 2025 Jan 29, 2026
Bracebridge Capital, LLC History No change 924,931 3,792 0.12% 0.17% 21 0 0.0% Q4 2025 Feb 17, 2026
JANE STREET GROUP, LLC History Reduced 905,942 3,714 0.0% 0.0% 22 -141,508 -13.51% Q4 2025 Feb 12, 2026
JB CAPITAL PARTNERS LP History Reduced 872,277 3,576 0.62% 0.6% 23 -119,900 -12.08% Q4 2025 Feb 13, 2026
Bain Capital Credit, LP History Reduced 825,777 3,385 0.89% 0.94% 24 -11,435 -1.37% Q4 2025 Feb 17, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 709,360 2,913 0.0% 0.0% 25 -186,120 -20.78% Q4 2025 Feb 17, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 702,734 2,896 0.0% 0.0% 26 +192,581 37.75% Q4 2025 Feb 13, 2026
TCW GROUP INC History No change 672,678 2,757 0.02% 0.02% 27 0 0.0% Q4 2025 Feb 17, 2026
READYSTATE ASSET MANAGEMENT LP History No change 640,324 2,625 0.11% 0.1% 28 0 0.0% Q4 2025 Feb 17, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 637,980 2,615 0.0% 0.0% 29 +14,184 2.27% Q4 2025 Feb 17, 2026
Walleye Capital LLC History Added to 635,534 2,605 0.01% 0.0% 30 +264,779 71.42% Q4 2025 Feb 13, 2026
Ewing Morris & Co. Investment Partners Ltd. History Added to 612,500 2,555 1.11% 0.74% 31 +122,500 25.0% Q4 2025 Feb 17, 2026
D. E. Shaw & Co., Inc. History Reduced 542,458 2,226 0.0% 0.0% 32 -36,002 -6.22% Q4 2025 Feb 17, 2026
BANK OF AMERICA CORP /DE/ History Added to 522,357 2,141 0.0% 0.0% 33 +250,352 92.04% Q4 2025 Feb 17, 2026
SIMPLEX TRADING, LLC History Reduced 519,828 2,131 0.0% 0.0% 34 -5,172 -0.99% Q4 2025 Feb 11, 2026
Russell Investments Group, Ltd. History Added to 401,490 1,646 0.0% 0.0% 35 +20,892 5.49% Q4 2025 Feb 17, 2026
CenterBook Partners LP History Added to 398,845 1,635 0.08% 0.04% 36 +164,528 70.22% Q4 2025 Feb 11, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 383,587 1,572 0.0% 0.0% 37 -116,487 -23.29% Q4 2025 Feb 12, 2026
Orion Resource Partners LP History Added to 381,728 1,571 0.77% 0.18% 38 +242,322 173.82% Q4 2025 Feb 17, 2026
Caption Management, LLC History Added to 366,956 1,504 0.01% 0.01% 39 +40,256 12.32% Q4 2025 Feb 17, 2026
SIG North Trading, ULC History Reduced 355,717 1,458 0.03% 0.03% 40 -70,600 -16.56% Q4 2025 Feb 17, 2026
NOMURA HOLDINGS INC History Added to 258,267 1,058 0.0% 0.0% 41 +212,267 461.45% Q4 2025 Feb 17, 2026
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. History New 231,219 947 0.09% 42 +231,219 New Q4 2025 Feb 06, 2026
BANK OF MONTREAL /CAN/ History Added to 203,916 839 0.0% 0.0% 43 +13,799 7.26% Q4 2025 Feb 12, 2026
WOLVERINE ASSET MANAGEMENT LLC History Added to 177,743 728 0.01% 0.0% 44 +17,360 10.82% Q4 2025 Feb 02, 2026
GOLDMAN SACHS GROUP INC History Reduced 155,250 636 0.0% 0.0% 45 -60,196 -27.94% Q4 2025 Mar 25, 2026
ROYAL BANK OF CANADA History New 145,596 597 0.0% 46 +145,596 New Q4 2025 Feb 17, 2026
XTX Topco Ltd History Added to 143,704 589 0.02% 0.02% 47 +19,627 15.82% Q4 2025 Feb 17, 2026
Quinn Opportunity Partners LLC History No change 142,336 583 0.02% 0.04% 48 0 0.0% Q4 2025 Feb 13, 2026
Quantbot Technologies LP History Reduced 127,847 524 0.02% 0.02% 49 -60,750 -32.21% Q4 2025 Feb 10, 2026
GROUP ONE TRADING LLC History Reduced 123,387 505 0.0% 0.0% 50 -267,736 -68.45% Q4 2025 Feb 12, 2026
ARISTEIA CAPITAL, L.L.C. History New 120,260 493 0.01% 51 +120,260 New Q4 2025 Feb 17, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 114,101 467 0.0% 0.0% 52 +100 0.09% Q4 2025 Feb 10, 2026
Summit Financial, LLC History No change 110,333 452 0.01% 0.01% 53 0 0.0% Q4 2025 Feb 13, 2026
MACKENZIE FINANCIAL CORP History Added to 94,776 383 0.0% 0.0% 54 +40,413 74.34% Q4 2025 Feb 18, 2026
FNY Investment Advisers, LLC History Added to 89,343 365 0.1% 0.01% 55 +84,813 1872.25% Q4 2025 Jan 16, 2026
Senvest Management, LLC History Reduced 85,789 351 0.01% 0.03% 56 -189,300 -68.81% Q4 2025 Feb 12, 2026
PDT Partners, LLC History Added to 78,804 323 0.02% 0.01% 57 +18,814 31.36% Q4 2025 Feb 17, 2026
IMC-Chicago, LLC History Reduced 78,700 322 0.0% 0.0% 58 -99,257 -55.78% Q4 2025 Jan 29, 2026
Lighthouse Investment Partners, LLC History Added to 75,708 310 0.01% 0.0% 59 +53,619 242.74% Q4 2025 Feb 17, 2026
TWO SIGMA ADVISERS, LP History New 73,600 301 0.0% 60 +73,600 New Q4 2025 Feb 17, 2026
AMERICAN CENTURY COMPANIES INC History Added to 69,172 284 0.0% 0.0% 61 +30,547 79.09% Q4 2025 Feb 13, 2026
Boston Partners History Added to 68,598 281 0.0% 0.0% 62 +15,175 28.41% Q4 2025 Feb 13, 2026
Invesco Ltd. History Added to 66,713 273 0.0% 0.0% 63 +14,415 27.56% Q4 2025 Feb 19, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 63,813 261 0.0% 0.0% 64 0 0.0% Q4 2025 Feb 09, 2026
LPL Financial LLC History Added to 62,194 254 0.0% 0.0% 65 +3,300 5.6% Q4 2025 Feb 11, 2026
Walleye Trading LLC History Added to 61,074 250 0.0% 0.0% 66 +37,774 162.12% Q4 2025 Feb 13, 2026
TERRIL BROTHERS, INC. History Added to 58,000 237 0.06% 0.04% 67 +16,500 39.76% Q4 2025 Feb 09, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History No change 55,000 228 0.0% 0.0% 68 0 0.0% Q4 2025 Jan 08, 2026
PenderFund Capital Management Ltd. History New 50,000 205 0.03% 69 +50,000 New Q4 2025 Feb 17, 2026
BARCLAYS PLC History Added to 46,246 189 0.0% 0.0% 70 +45,877 12432.79% Q4 2025 Feb 13, 2026
DekaBank Deutsche Girozentrale History No change 21,188 180 0.0% 0.0% 71 0 0.0% Q4 2025 Jan 28, 2026
GSA CAPITAL PARTNERS LLP History New 42,489 174 0.01% 72 +42,489 New Q4 2025 Feb 06, 2026
Voleon Capital Management LP History New 40,086 164 0.0% 73 +40,086 New Q4 2025 Feb 17, 2026
HSBC HOLDINGS PLC History Added to 38,754 158 0.0% 0.0% 74 +27,477 243.66% Q4 2025 Mar 20, 2026
Phoenix Financial Ltd. History No change 35,714 146 0.0% 0.0% 75 0 0.0% Q4 2025 Feb 05, 2026
Legal & General Group Plc History Reduced 33,330 137 0.0% 0.0% 76 -55,253 -62.37% Q4 2025 Feb 09, 2026
PharVision Advisers, LLC History New 32,839 134 0.07% 77 +32,839 New Q4 2025 Feb 17, 2026
CIBC WORLD MARKET INC. History Reduced 32,425 132 0.0% 0.0% 78 -33,890 -51.1% Q4 2025 Feb 10, 2026
Claret Asset Management Corp History No change 30,375 125 0.01% 0.01% 79 0 0.0% Q4 2025 Feb 11, 2026
NewEdge Advisors, LLC History No change 28,299 116 0.0% 0.0% 80 0 0.0% Q4 2025 Feb 18, 2026
ExodusPoint Capital Management, LP History New 26,340 107 0.0% 81 +26,340 New Q4 2025 Feb 17, 2026
Clear Harbor Asset Management, LLC History New 26,000 106 0.01% 82 +26,000 New Q4 2025 Feb 10, 2026
Net Worth Advisory Group History Reduced 23,643 96 0.02% 0.02% 83 -754 -3.09% Q4 2025 Jan 14, 2026
Allianz Asset Management GmbH History New 21,822 89 0.0% 85 +21,822 New Q4 2025 Feb 11, 2026
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management History No change 21,773 89 0.0% 0.0% 84 0 0.0% Q4 2025 Jan 16, 2026
FIL Ltd History New 20,570 84 0.0% 86 +20,570 New Q4 2025 Feb 17, 2026
TORONTO DOMINION BANK History Added to 20,060 82 0.0% 0.0% 87 +10,060 100.6% Q4 2025 Feb 17, 2026
ACADIAN ASSET MANAGEMENT LLC History Reduced 19,400 79 0.0% 0.0% 88 -43,300 -69.06% Q4 2025 Feb 10, 2026
Federation des caisses Desjardins du Quebec History Added to 17,860 73 0.0% 0.0% 89 +9,000 101.58% Q4 2025 Feb 12, 2026
NATIONAL BANK OF CANADA /FI/ History Added to 17,575 71 0.0% 0.0% 90 +6,939 65.24% Q4 2025 Feb 17, 2026
Corient Private Wealth LLC History No change 15,000 61 0.0% 0.0% 91 0 0.0% Q4 2025 Mar 09, 2026
Jump Financial, LLC History Reduced 14,201 58 0.0% 0.02% 92 -343,525 -96.03% Q4 2025 Feb 17, 2026
VICTORY CAPITAL MANAGEMENT INC History Added to 11,079 45 0.0% 0.0% 93 +224 2.06% Q4 2025 Feb 13, 2026
EJF Capital LP History No change 11,000 45 0.03% 0.02% 94 0 0.0% Q4 2025 Feb 17, 2026
Vanguard Personalized Indexing Management, LLC History New 10,798 44 0.0% 95 +10,798 New Q4 2025 Feb 13, 2026
TWO SIGMA SECURITIES, LLC History New 10,274 42 0.01% 96 +10,274 New Q4 2025 Feb 17, 2026
ELEMENT POINTE ADVISORS, LLC History New 10,000 41 0.01% 97 +10,000 New Q4 2025 Feb 13, 2026
Aquatic Capital Management LLC History New 8,809 36 0.0% 98 +8,809 New Q4 2025 Feb 17, 2026
CITIGROUP INC History Added to 7,120 29 0.0% 0.0% 99 +3,722 109.54% Q4 2025 Feb 13, 2026
Aviso Financial Inc. History Reduced 6,559 27 0.0% 0.0% 100 -90 -1.35% Q4 2025 Feb 13, 2026
Quarry LP History New 2,426 9 0.0% 102 +2,426 New Q4 2025 Feb 13, 2026
Tower Research Capital LLC (TRC) History Added to 2,337 9 0.0% 0.0% 101 +1,610 221.46% Q4 2025 Feb 17, 2026
Ulland Investment Advisors, LLC History No change 1,000 4 0.0% 0.0% 103 0 0.0% Q4 2025 Jan 08, 2026
Caitong International Asset Management Co., Ltd History Reduced 332 1 0.0% 0.01% 104 -5,363 -94.17% Q4 2025 Mar 03, 2026
J. Goldman & Co LP History Closed out 0 0 0.22% -2,424,811 -100.0% Q3 2025 Nov 14, 2025
CONTRARIAN CAPITAL MANAGEMENT, L.L.C. History Closed out 0 0 1.83% -2,037,686 -100.0% Q3 2025 Nov 13, 2025
AYAL Capital Advisors Ltd History Closed out 0 0 2.05% -1,467,000 -100.0% Q3 2025 Nov 14, 2025
Amitell Capital Pte Ltd History Closed out 0 0 1.87% -864,585 -100.0% Q3 2025 Nov 12, 2025
HEARTLAND ADVISORS INC History Closed out 0 0 0.11% -600,000 -100.0% Q3 2025 Nov 07, 2025
GENERAL AMERICAN INVESTORS CO INC History Closed out 0 0 0.06% -280,136 -100.0% Q3 2025 Oct 31, 2025
NewGen Asset Management Ltd History Closed out 0 0 0.27% -246,097 -100.0% Q3 2025 Dec 17, 2025
RENAISSANCE TECHNOLOGIES LLC History Closed out 0 0 0.0% -216,333 -100.0% Q3 2025 Nov 13, 2025
HITE Hedge Asset Management LLC History Closed out 0 0 0.04% -214,556 -100.0% Q3 2025 Nov 13, 2025
MOORE CAPITAL MANAGEMENT, LP History Closed out 0 0 0.01% -212,331 -100.0% Q3 2025 Nov 14, 2025
Point72 Asset Management, L.P. History Closed out 0 0 0.0% -201,100 -100.0% Q3 2025 Nov 14, 2025
Swiss National Bank History Closed out 0 0 0.0% -164,107 -100.0% Q3 2025 Nov 13, 2025
VAN ECK ASSOCIATES CORP History Closed out 0 0 0.0% -158,682 -100.0% Q3 2025 Nov 13, 2025
Trexquant Investment LP History Closed out 0 0 0.01% -139,162 -100.0% Q3 2025 Nov 14, 2025
TUDOR INVESTMENT CORP ET AL History Closed out 0 0 2.06% -125,000 -100.0% Q3 2025 Dec 09, 2025
VANGUARD GROUP INC History Closed out 0 0 0.0% -76,477 -100.0% Q3 2025 Nov 07, 2025
Centiva Capital, LP History Closed out 0 0 0.0% -71,755 -100.0% Q3 2025 Nov 14, 2025
Nuveen, LLC History Closed out 0 0 0.0% -69,751 -100.0% Q3 2025 Nov 12, 2025
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO History Closed out 0 0 0.0% -58,594 -100.0% Q3 2025 Nov 14, 2025
OXFORD ASSET MANAGEMENT LLP History Closed out 0 0 0.81% -47,595 -100.0% Q3 2025 Feb 17, 2026
Squarepoint Ops LLC History Closed out 0 0 0.0% -43,303 -100.0% Q3 2025 Nov 14, 2025
SIG BROKERAGE, LP History Closed out 0 0 0.0% -40,000 -100.0% Q3 2025 Nov 14, 2025
Police & Firemen's Retirement System of New Jersey History Closed out 0 0 0.0% -31,569 -100.0% Q3 2025 Nov 12, 2025
Graham Capital Management, L.P. History Closed out 0 0 0.0% -28,741 -100.0% Q3 2025 Nov 14, 2025
PRELUDE CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.01% -26,758 -100.0% Q3 2025 Nov 14, 2025
Assenagon Asset Management S.A. History Closed out 0 0 0.0% -22,682 -100.0% Q3 2025 Oct 07, 2025
Alpine Global Management, LLC History Closed out 0 0 0.0% -20,937 -100.0% Q3 2025 Nov 21, 2025
Olympiad Research LP History Closed out 0 0 0.1% -20,758 -100.0% Q3 2025 Oct 30, 2025
Zurcher Kantonalbank (Zurich Cantonalbank) History Closed out 0 0 0.0% -19,329 -100.0% Q3 2025 Nov 14, 2025
Pictet Asset Management Holding SA History Closed out 0 0 0.0% -13,901 -100.0% Q3 2025 Nov 18, 2025
ALLIANCEBERNSTEIN L.P. History Closed out 0 0 0.0% -11,941 -100.0% Q3 2025 Nov 14, 2025
DEUTSCHE BANK AG\ History Closed out 0 0 0.0% -6,626 -100.0% Q3 2025 Nov 13, 2025
WELLS FARGO & COMPANY/MN History Closed out 0 0 0.0% -606 -100.0% Q3 2025 Nov 13, 2025
PNC FINANCIAL SERVICES GROUP, INC. History New 243 0 +243 New Q4 2025 Feb 06, 2026
Basepoint Wealth LLC History New 51 0 +51 New Q4 2025 Feb 10, 2026
SBI Securities Co., Ltd. History Added to 101 0 +49 94.23% Q4 2025 Feb 03, 2026
Larson Financial Group LLC History New 11 0 +11 New Q4 2025 Feb 06, 2026
OSAIC HOLDINGS, INC. History No change 167 0 0 0.0% Q4 2025 Feb 17, 2026
Arlington Trust Co LLC History No change 100 0 0 0.0% Q4 2025 Jan 30, 2026