Why BlackRock, Nvidia, and Temasek are betting billions on quantum computing

VC investment in quantum computing reached $3.9 billion in 2025, driven by major players like BlackRock, Nvidia, and Temasek. Companies such as Quantinuum and PsiQuantum secured significant funding, while global governments, including China, have allocated over $60 billion to quantum initiatives. The sector remains speculative, with practical quantum breakthroughs expected by the end of the decade.