TMX Group Invests $800M in MEMX and Plans Merger With BOX to Create $2.3B Entity
July 31, 2026
TMX Group announced an $800 million cash investment in New York-based exchange operator and market technology provider MEMX, accelerating its U.S. expansion. TMX will also merge BOX, the U.S. equity options market it controls, with MEMX to form a $2.3 billion entity that will be 59% owned by TMX, with the transaction expected to close in 2027.
- Buyers
- TMX Group Ltd.
- Targets
- MEMX, BOX (U.S. equity options market)
- Industry
- Financial Services
- Location
- United States
- Transaction Type
- Growth capital
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