ASTL · NASDAQ · Steel

Algoma Steel Group (ASTL)

Makes sheet and plate steel as its Sault Ste. Marie plant converts to electric-arc furnaces.

$4.41
vs last close−0.03 (−0.56%)

13F · 13D/G · Form 4

Institutions69.16%72.57M ADS
104 holders · as of Jun 30, 2026
Other30.84%32.36M ADS
remainder

104.93M ADS as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

13F · 13D/G · Form 4

HolderStakeSharesDate
Maple Rock Capital Partners Inc.Institution
16.07%16.86M ADSas of Jun 30, 2026
Mmcap International Inc. SPCInstitution
10.44%10.95M ADSas of Jun 30, 2026
Contrarian Capital Management, L.L.C.Institution
5.79%6.08Mfiled Feb 14, 2022
Stoney Lonesome HF LPInstitution
5.21%5.47Mfiled Aug 14, 2025
Donald Smith & Co., Inc.Institution
5.03%5.28M ADSas of Jun 30, 2026
BlackRock, Inc.Institution
3.95%4.14M ADSas of Jun 30, 2026
Scheer, Rowlett & Associates Investment Management Ltd.Institution
3.67%3.85M ADSas of Jun 30, 2026
Morgan StanleyInstitution
2.82%2.96M ADSas of Jun 30, 2026
Aegis Financial CorpInstitution
1.70%1.79M ADSas of Jun 30, 2026
CDC Financial, Inc.Institution
1.66%1.75M ADSas of Jun 30, 2026
Brightline Capital Management, LLCInstitution
1.58%1.66M ADSas of Jun 30, 2026
Littlejohn & Co LLCInstitution
1.45%1.52M ADSas of Jun 30, 2026
Connor, Clark & Lunn Investment Management Ltd.Institution
1.32%1.39M ADSas of Jun 30, 2026
Mackenzie Financial CorpInstitution
1.27%1.33M ADSas of Jun 30, 2026
Sourcerock Group LLCInstitution
1.19%1.25M ADSas of Jun 30, 2026
Two Sigma Investments, LPInstitution
0.99%1.04M ADSas of Jun 30, 2026
LM Asset (Im) Inc.Institution
0.97%1.02M ADSas of Jun 30, 2026
Bracebridge Capital, LLCInstitution
0.88%924,931 ADSas of Jun 30, 2026
JB Capital Partners LPInstitution
0.83%872,277 ADSas of Jun 30, 2026
Citadel Advisors LLCInstitution
0.81%845,935 ADSas of Jun 30, 2026
Bain Capital Credit, LPInstitution
0.79%825,777 ADSas of Jun 30, 2026
JPMorgan Chase & CoInstitution
0.77%810,208 ADSas of Jun 30, 2026
Ewing Morris & Co. Investment Partners Ltd.Institution
0.69%722,350 ADSas of Jun 30, 2026
Quadrature Capital LtdInstitution
0.65%682,493 ADSas of Jun 30, 2026
D. E. Shaw & Co., Inc.Institution
0.64%670,373 ADSas of Jun 30, 2026

13F, as of Jun 30, 2026

104 holders · 72.57M shares · 13 new positions · 43 increased · 36 reduced · 14 closed

HolderShares% outstandingChg q/qFiled
Maple Rock Capital Partners Inc.16.86M16.07%+931.0KAug 14, 2026
Mmcap International Inc. SPC10.95M10.44%−1.89MAug 14, 2026
Donald Smith & Co., Inc.5.28M5.03%−751.3KAug 11, 2026
BlackRock, Inc.4.14M3.95%+27.8KAug 7, 2026
Scheer, Rowlett & Associates Investment Management Ltd.3.85M3.67%+638.9KAug 13, 2026
Morgan Stanley2.96M2.82%+1.47MAug 13, 2026
Aegis Financial Corp1.79M1.70%0Aug 12, 2026
CDC Financial, Inc.1.75M1.66%+131.9KAug 14, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Maple Rock Capital Partners Inc.15.10%15.93M13GMay 15, 2026
MMCAP International Inc. SPC12.20%12.85M13GMay 15, 2026
Stoney Lonesome HF LP5.10%5.47M13GAug 14, 2025
Donald Smith & Co., Inc.5.00%5.28M13GAug 11, 2026

Form 4

Latest trades

Nothing filed in the last 12 months.

House and Senate disclosures

Not reported.