D-Wave Quantum has emerged as a leader in quantum computing, analysts say, and Wall Street is throwing its support behind the company in a raft of research notes following its latest earnings report.

D-Wave is the latest quantum computing company to say it has achieved “quantum supremacy,” better known as the ability to solve a problem with a quantum computer that can’t be done with a traditional computer.

The company says it has solved the first problem of scientific relevance with a quantum processor faster than could be done with classical computers—but others disagree