Tourmaline Sells a Portion of Its Topaz Energy Stake

Canadian Natural Resources Acquires Tourmaline Oil Corp

January 14, 2026

Oil & Gas

Canadian Natural Resources Ltd. has acquired Tourmaline Oil Corp for approximately $800 million, consolidating a major natural gas producer into its portfolio. The deal brings Tourmaline’s Calgary-headquartered natural gas assets and production into Canadian Natural’s operations to expand scale, capabilities and market access across North America and international markets.

Halco Acquires Topaz Lighting's Permanent Lighting Portfolio from Southwire

December 18, 2025

Building Products

Halco Lighting Technologies has acquired the permanent lighting portfolio of Topaz Lighting from Southwire, with Southwire retaining Topaz's components and temporary lighting businesses. Southwire's customer letter cites December 18, 2025 as the handoff date while Halco's announcement describes the transaction as a forthcoming event; the deal expands Halco's commercial and industrial fixture lineup (troffers, high bays, wall packs, exit/emergency, retrofit trims and vapor-tight fixtures).

Tourmaline Oil Corp Acquires Crew Energy Inc.

August 12, 2024

Energy

Tourmaline Oil Corp. has entered into a definitive arrangement to acquire all issued and outstanding common shares of Crew Energy Inc. in exchange for 18.778 million Tourmaline common shares and the assumption of approximately $240 million of net debt, for total consideration of about $1.3 billion. The deal, approved by both boards and expected to close in early October 2024, significantly increases Tourmaline's NEBC Montney position, adds ~29,000–30,000 boepd of production and material reserves, and is expected to be accretive to free cash flow with substantial identified synergies.

Rio Tinto Acquires Remaining Stake in Turquoise Hill Resources for C$43.00 per Share

November 18, 2022

Industrial Services

Rio Tinto has agreed to terminate certain dissent-related agreements with minority shareholders tied to Pentwater Capital Management LP and SailingStone Capital Partners LLC, while its all-cash plan to acquire the ~49% of Turquoise Hill it does not already own will proceed. Under the proposed plan of arrangement, Turquoise Hill shareholders are offered C$43.00 per share in cash, supported by Rio Tinto’s commitments regarding dissent rights and related payments.

Tourmaline Oil Corp. Acquires Black Swan Energy Ltd. (and Paramount Birch Assets)

July 15, 2021

Oil & Gas

Tourmaline Oil Corp. closed its acquisition of Black Swan Energy Ltd. and also acquired Paramount Resources Ltd.'s Birch-area Montney lands and assets, consolidating key Northeast B.C. Montney positions. The transactions increase Tourmaline's production profile and complement a separate long-term gas supply agreement with Cheniere Energy to access LNG markets.

Copley Equity Partners Acquires Majority Stake in Tourmaline Partners

May 18, 2020

Financial Services

Copley Equity Partners has made a majority investment in Tourmaline Partners, a Stamford-based outsourced trading solutions provider. Financial terms were not disclosed; the investment will support Tourmaline's technology development and expansion into new geographies and asset classes.