Investor Maple Rock Capital Partners Inc.
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Maple Rock Capital Partners Inc. . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2025-08-28 13G ASTL / Algoma Steel Group Inc. 10,430,818 10,430,818
2025-08-14 13D/A ASTL / Algoma Steel Group Inc. 7,552,617 10,430,818
2025-05-05 13D/A ASTL / Algoma Steel Group Inc. 6,092,091 7,552,617
2025-02-14 13G/A HUYA / HUYA Inc. - Depositary Receipt (Common Stock) 5,145,125 0
2024-11-14 13G/A GRPN / Groupon, Inc. 2,475,926 0
2024-11-14 13G HUYA / HUYA Inc. - Depositary Receipt (Common Stock) 5,145,125
2024-10-25 13D ASTL / Algoma Steel Group Inc. 6,092,091 6,092,091
2024-02-14 13G/A ASTL / Algoma Steel Group Inc. 6,491,299 6,092,091
2024-02-14 13G/A GRPN / Groupon, Inc. 3,025,700 2,475,926
2023-02-14 13G ASTL / Algoma Steel Group Inc. 6,491,299
2023-02-14 13G GRPN / Groupon, Inc. 1,000,000 3,025,700
2023-02-14 13G/A ARCH / Arch Resources, Inc. 790,050 327,739
2022-12-09 13G/A GRPN / Groupon, Inc. 4,126,700 1,000,000
2022-08-15 13G GRPN / Groupon, Inc. 4,126,700
2022-02-14 13G/A SM / SM Energy Company 8,911,964 0
2022-02-14 13G ARCH / Arch Resources, Inc. 790,050
2021-02-16 13G SM / SM Energy Company 8,911,964
2019-02-14 13G/A NRP / Natural Resource Partners L.P. - Limited Partnership 827,710 0
2018-02-14 13G NRP / Natural Resource Partners L.P. - Limited Partnership 827,710