SEC 13F Intelligence

ASTLALGOMA STL GROUP INC

CUSIP 015658107 · Yahoo Finance ↗ · Google Finance ↗

Algoma Stl Group Inc (ASTL) has 99 institutional holders in Filings Flow’s 13F database, together reporting 39.2K shares worth $217,584 as of Q2 2026. The largest reported holders are Maple Rock Capital Partners Inc., Mmcap International Inc. Spc, and Donald Smith & Co., Inc..

Institutional Holders
99
Q2 2026
Reported Value
$293M
Ticker
ASTL
Quarters Tracked
5

Ownership Trend

Institutional holders
Q4 ’21: 58Q4 ’21Q4 ’22: 106Q4 ’22Q4 ’25: 108Q4 ’25Q1 ’26: 99Q1 ’26Q2 ’26: 4Q2 ’26filingsflow.com
Total reported value
Q4 ’21: $550MQ4 ’21Q4 ’22: $391MQ4 ’22Q4 ’25: $345MQ4 ’25Q1 ’26: $293MQ1 ’26Q2 ’26: $217,584Q2 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
LITTLEJOHN & CO LLC$106M AUM13.48%$14M3.45MQ1 2026OLDER
CDC Financial, Inc.$157M AUM4.61%$7M1.75MQ1 2026OLDER
MMCAP International Inc. SPC$1.2B AUM4.58%$53M12.85MQ1 2026OLDER
LM Asset Management Inc.$192M AUM3.79%$7M1.76MQ1 2026OLDER
Solas Capital Management, LLC$174M AUM2.49%$4M1.05MQ1 2026OLDER
Maple Rock Capital Partners Inc.$3.1B AUM2.14%$66M15.93MQ1 2026OLDER
CONTRARIAN CAPITAL MANAGEMENT, L.L.C.$357M AUM1.83%$7M2.04MQ3 2025OLDER
Ewing Morris & Co. Investment Partners Ltd.$222M AUM1.32%$3M710.0KQ1 2026OLDER
AEGIS FINANCIAL CORP$580M AUM1.27%$7M1.79MQ1 2026OLDER
Bain Capital Credit, LP$303M AUM1.13%$3M825.8KQ1 2026OLDER
Scheer, Rowlett & Associates Investment Management Ltd.$1.4B AUM0.95%$13M3.21MQ1 2026OLDER
Orion Resource Partners LP$219M AUM0.77%$2M381.7KQ4 2025OLDER
JB CAPITAL PARTNERS LP$581M AUM0.62%$4M872.3KQ1 2026OLDER
GOLDENTREE ASSET MANAGEMENT LP$1.7B AUM0.55%$10M2.49MQ4 2025OLDER
DONALD SMITH & CO., INC.$5.6B AUM0.45%$25M6.03MQ1 2026OLDER
Sourcerock Group LLC$2.5B AUM0.22%$5M1.31MQ1 2026OLDER
J. Goldman & Co LP$3.4B AUM0.22%$9M2.42MQ3 2025OLDER
HEARTLAND ADVISORS INC$2.0B AUM0.11%$2M600.0KQ3 2025OLDER
AYAL Capital Advisors Ltd$369M AUM0.11%$392,35095.0KQ1 2026OLDER
Bracebridge Capital, LLC$3.7B AUM0.10%$4M924.9KQ1 2026OLDER
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.$1.0B AUM0.09%$947,998231.2KQ4 2025OLDER
READYSTATE ASSET MANAGEMENT LP$2.2B AUM0.09%$2M463.2KQ1 2026OLDER
Caitong International Asset Management Co., Ltd$541M AUM0.07%$25,2976.2KQ4 2025OLDER
TERRIL BROTHERS, INC.$366M AUM0.07%$239,54058.0KQ1 2026OLDER
OXFORD ASSET MANAGEMENT LLP$268M AUM0.06%$169,20047.6KQ3 2025OLDER
GENERAL AMERICAN INVESTORS CO INC$1.5B AUM0.06%$995,883280.1KQ3 2025OLDER
CenterBook Partners LP$1.9B AUM0.05%$964,392233.5KQ1 2026OLDER
Scientech Research LLC$120M AUM0.05%$56,77913.7KQ1 2026OLDER
Quadrature Capital Ltd$8.4B AUM0.04%$4M878.5KQ1 2026OLDER
HITE Hedge Asset Management LLC$1.8B AUM0.04%$762,747214.6KQ3 2025OLDER
SIG North Trading, ULC$5.0B AUM0.04%$2M469.9KQ1 2026OLDER
Purpose Unlimited Inc.$2.4B AUM0.03%$825,247200.0KQ1 2026OLDER
PenderFund Capital Management Ltd.$639M AUM0.03%$205,82150.0KQ4 2025OLDER
EJF Capital LP$142M AUM0.03%$45,43011.0KQ1 2026OLDER
Quinn Opportunity Partners LLC$1.9B AUM0.03%$587,848142.3KQ1 2026OLDER
Quantbot Technologies LP$2.4B AUM0.03%$652,243157.9KQ1 2026OLDER
TCW GROUP INC$13.3B AUM0.02%$3M768.2KQ1 2026OLDER
Net Worth Advisory Group$482M AUM0.02%$92,46422.4KQ1 2026OLDER
PDT Partners, LLC$1.7B AUM0.02%$290,35670.3KQ1 2026OLDER
TWO SIGMA SECURITIES, LLC$861M AUM0.02%$146,06635.4KQ1 2026OLDER
Connor, Clark & Lunn Investment Management Ltd.$43.4B AUM0.02%$7M1.73MQ1 2026OLDER
XTX Topco Ltd$5.8B AUM0.01%$753,093182.3KQ1 2026OLDER
Voleon Capital Management LP$4.6B AUM0.01%$540,695130.9KQ1 2026OLDER
Senvest Management, LLC$3.0B AUM0.01%$351,73585.8KQ4 2025OLDER
MOORE CAPITAL MANAGEMENT, LP$4.9B AUM0.01%$754,837212.3KQ3 2025OLDER
Lighthouse Investment Partners, LLC$2.9B AUM0.01%$310,40375.7KQ4 2025OLDER
Walleye Capital LLC$24.0B AUM0.01%$3M635.5KQ4 2025OLDER
Cubist Systematic Strategies, LLC$21.0B AUM0.01%$2M464.7KQ3 2025OLDER
ARISTEIA CAPITAL, L.L.C.$4.8B AUM0.01%$377,57791.4KQ1 2026OLDER
ELEMENT POINTE ADVISORS, LLC$530M AUM0.01%$41,30010.0KQ1 2026OLDER
ExodusPoint Capital Management, LP$12.6B AUM0.01%$948,095229.6KQ1 2026OLDER
PRELUDE CAPITAL MANAGEMENT, LLC$1.3B AUM0.01%$95,12526.8KQ3 2025OLDER
Clear Harbor Asset Management, LLC$1.4B AUM0.01%$106,60026.0KQ4 2025OLDER
Summit Financial, LLC$7.8B AUM0.01%$455,675110.3KQ1 2026OLDER
WOLVERINE ASSET MANAGEMENT LLC$10.4B AUM0.01%$728,746177.7KQ4 2025OLDER
Aquatic Capital Management LLC$3.5B AUM0.01%$195,17147.3KQ1 2026OLDER
Trexquant Investment LP$13.9B AUM0.01%$494,721139.2KQ3 2025OLDER
SIG BROKERAGE, LP$3.8B AUM0.00%$142,40040.0KQ3 2025OLDER
Caption Management, LLC$17.1B AUM0.00%$628,995152.3KQ1 2026OLDER
TD ASSET MANAGEMENT INC$123.2B AUM0.00%$3M841.9KQ1 2026OLDER
National Philanthropic Trust$3.8B AUM0.00%$100,30010.0KQ2 2026
Russell Investments Group, Ltd.$93.1B AUM0.00%$2M571.6KQ1 2026OLDER
Centiva Capital, LP$13.6B AUM0.00%$255,08971.8KQ3 2025OLDER
BOOTHBAY FUND MANAGEMENT, LLC$7.7B AUM0.00%$186,13945.1KQ1 2026OLDER
Point72 Asia (Singapore) Pte. Ltd.$646M AUM0.00%$12,7943.6KQ3 2025OLDER
Graham Capital Management, L.P.$4.1B AUM0.00%$102,17428.7KQ3 2025OLDER
Quarry LP$558M AUM0.00%$9,9472.4KQ4 2025OLDER
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management$5.8B AUM0.00%$89,92521.8KQ1 2026OLDER
NOMURA HOLDINGS INC$37.7B AUM0.00%$1M258.3KQ4 2025OLDER
Phoenix Financial Ltd.$10.5B AUM0.00%$147,49935.7KQ1 2026OLDER
MILLENNIUM MANAGEMENT LLC$240.3B AUM0.00%$3M766.4KQ1 2026OLDER
TWO SIGMA INVESTMENTS, LP$123.9B AUM0.00%$1M269.9KQ1 2026OLDER
Aviso Financial Inc.$2.8B AUM0.00%$24,8686.0KQ1 2026OLDER
RENAISSANCE TECHNOLOGIES LLC$63.9B AUM0.00%$484,350117.3KQ1 2026OLDER
TUDOR INVESTMENT CORP ET AL$53.9B AUM0.00%$444,375125.0KQ3 2025OLDER
D. E. Shaw & Co., Inc.$166.3B AUM0.00%$1M289.7KQ1 2026OLDER
Verition Fund Management LLC$15.4B AUM0.00%$110,69626.8KQ1 2026OLDER
Jump Financial, LLC$7.5B AUM0.00%$58,22414.2KQ4 2025OLDER
GROUP ONE TRADING LLC$52.2B AUM0.00%$353,75985.7KQ1 2026OLDER
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO$30.9B AUM0.00%$208,06158.6KQ3 2025OLDER
Assenagon Asset Management S.A.$80.2B AUM0.00%$409,31299.1KQ1 2026OLDER
VAN ECK ASSOCIATES CORP$133M AUM0.00%$564158.7KQ3 2025OLDER
MACKENZIE FINANCIAL CORP$83.3B AUM0.00%$407,50298.8KQ1 2026OLDER
JANE STREET GROUP, LLC$777.2B AUM0.00%$4M895.6KQ1 2026OLDER
FMR LLC$1.90T AUM0.00%$9M2.21MQ4 2025OLDER
Vanguard Personalized Indexing Management, LLC$10.2B AUM0.00%$44,27210.8KQ4 2025OLDER
SIMPLEX TRADING, LLC$149.1B AUM0.00%$639,757154.9KQ1 2026OLDER
NewEdge Advisors, LLC$27.7B AUM0.00%$116,87628.3KQ2 2026
BANK OF MONTREAL /CAN/$268.5B AUM0.00%$1M272.6KQ1 2026OLDER
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$15,9213.9KQ1 2026OLDER
Point72 Asset Management, L.P.$78.1B AUM0.00%$307,09073.9KQ1 2026OLDER
Schonfeld Strategic Advisors LLC$14.2B AUM0.00%$54,46613.2KQ1 2026OLDER
Boston Partners$95.5B AUM0.00%$359,59087.1KQ1 2026OLDER
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$654.5B AUM0.00%$2M598.9KQ1 2026OLDER
Walleye Trading LLC$60.0B AUM0.00%$250,40361.1KQ4 2025OLDER
Swiss National Bank$173.8B AUM0.00%$582,768164.1KQ3 2025OLDER
Squarepoint Ops LLC$85.1B AUM0.00%$265,03964.2KQ1 2026OLDER
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$3M673.5KQ1 2026OLDER
DIMENSIONAL FUND ADVISORS LP$481.4B AUM0.00%$1M362.0KQ1 2026OLDER
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC$49.1B AUM0.00%$228,25055.0KQ4 2025OLDER
BlackRock, Inc.$5.72T AUM0.00%$17M4.12MQ1 2026OLDER
Federation des caisses Desjardins du Quebec$27.8B AUM0.00%$74,99218.4KQ1 2026OLDER
MORGAN STANLEY$1.67T AUM0.00%$4M1.04MQ1 2026OLDER
CITADEL ADVISORS LLC$618.5B AUM0.00%$1M356.1KQ1 2026OLDER
WOLVERINE TRADING, LLC$138.7B AUM0.00%$321,06578.5KQ3 2025OLDER
TORONTO DOMINION BANK$69.7B AUM0.00%$149,03736.2KQ1 2026OLDER
UBS Group AG$666.3B AUM0.00%$1M307.0KQ1 2026OLDER
CIBC WORLD MARKET INC.$61.3B AUM0.00%$105,52625.6KQ1 2026OLDER
BARCLAYS PLC$416.3B AUM0.00%$708,526171.6KQ1 2026OLDER
Zurcher Kantonalbank (Zurich Cantonalbank)$46.0B AUM0.00%$68,71519.3KQ3 2025OLDER
BNP PARIBAS FINANCIAL MARKETS$205.8B AUM0.00%$270,17265.4KQ1 2026OLDER
Basepoint Wealth LLC$175M AUM0.00%$21251Q1 2026OLDER
GOLDMAN SACHS GROUP INC$870.9B AUM0.00%$1M252.5KQ1 2026OLDER
HSBC HOLDINGS PLC$191.6B AUM0.00%$222,41054.4KQ1 2026OLDER
ROYAL BANK OF CANADA$570.1B AUM0.00%$607,000146.8KQ1 2026OLDER
FIL Ltd$128.7B AUM0.00%$127,75231.0KQ1 2026OLDER
Allianz Asset Management GmbH$95.4B AUM0.00%$89,94721.8KQ4 2025OLDER
Corient Private Wealth LLC$69.9B AUM0.00%$61,95015.0KQ1 2026OLDER
AMERICAN CENTURY COMPANIES INC$194.3B AUM0.00%$169,48941.1KQ1 2026OLDER
IMC-Chicago, LLC$278.4B AUM0.00%$220,96862.2KQ3 2025OLDER
LPL Financial LLC$376.6B AUM0.00%$246,95059.8KQ1 2026OLDER
Nuveen, LLC$369.3B AUM0.00%$247,64369.8KQ3 2025OLDER
NATIONAL BANK OF CANADA /FI/$111.5B AUM0.00%$71,63717.6KQ4 2025OLDER
BALYASNY ASSET MANAGEMENT L.P.$77.1B AUM0.00%$47,56511.5KQ1 2026OLDER
JPMORGAN CHASE & CO$1.56T AUM0.00%$914,035230.8KQ1 2026OLDER
TD Waterhouse Canada Inc.$33.7B AUM0.00%$19,0634.7KQ1 2026OLDER
Pictet Asset Management Holding SA$94.8B AUM0.00%$49,35413.9KQ3 2025OLDER
Invesco Ltd.$653.3B AUM0.00%$244,29059.1KQ1 2026OLDER
Arlington Trust Co LLC$1.2B AUM0.00%$405100Q2 2026
Legal & General Group Plc$432.4B AUM0.00%$137,38033.3KQ4 2025OLDER
VICTORY CAPITAL MANAGEMENT INC$156.1B AUM0.00%$44,63310.8KQ1 2026OLDER
ASSETMARK, INC$49.0B AUM0.00%$10,3252.5KQ1 2026OLDER
BANK OF AMERICA CORP /DE/$1.37T AUM0.00%$257,68362.4KQ1 2026OLDER
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$263,54763.8KQ1 2026OLDER
ALLIANCEBERNSTEIN L.P.$308.8B AUM0.00%$42,45011.9KQ3 2025OLDER
OSAIC HOLDINGS, INC.$68.3B AUM0.00%$6,9501.7KQ1 2026OLDER
DEUTSCHE BANK AG\$302.7B AUM0.00%$23,5896.6KQ3 2025OLDER
SBI Securities Co., Ltd.$3.6B AUM0.00%$21151Q1 2026OLDER
CITIGROUP INC$234.5B AUM0.00%$13,3103.2KQ1 2026OLDER
VANGUARD GROUP INC$6.90T AUM0.00%$271,46476.5KQ3 2025OLDER
Larson Financial Group LLC$3.1B AUM0.00%$4511Q4 2025OLDER
PNC FINANCIAL SERVICES GROUP, INC.$173.2B AUM0.00%$996243Q4 2025OLDER
WELLS FARGO & COMPANY/MN$530.3B AUM0.00%$2,154606Q3 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.