A future quantum computer could potentially solve problems that are essentially impossible for even the most powerful supercomputer. The magic comes from the nature of quantum physics. While traditional computers operate on bits that can be in only one of two states,

As the promise of quantum computing inches closer to commercial reality, investors continue to hunt for early-stage opportunities in the space—especially through speculative plays like quantum computing penny stocks. While the mainstream spotlight remains on giants like IBM and Alphabet, several lesser-known names have seen major moves in 2025.

Rigetti could become a “one-stop shop” for quantum computing services. IonQ’s trapped ion technology could make QPUs a lot faster and smaller. D-Wave Quantum, Rigetti Computing, and IonQ deserve a closer look.