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Key Points
As of November 14, institutional investors with over $100 million in assets filed Form 13F reports revealing substantial purchases in quantum computing stocks during Q3 2025. Notable increases in holdings include IonQ (169.9 million shares, up 27.4%), Rigetti Computing (164.1 million shares, up 31.8%), D-Wave Quantum (182.3 million shares, up 16.1%), and Quantum Computing Inc. (90.2 million shares, up 61.7%).
A significant trend is emerging, as these stocks, including IonQ, Rigetti, and others, have seen remarkable annual gains: IonQ up 69%, Rigetti 1,720%, D-Wave 1,300%, and Quantum Computing Inc. 299% as of the closing bell on November 18. Despite these gains, analysts caution that high price-to-sales ratios indicate potential for a market correction, with IonQ at 92, Rigetti at 424, D-Wave at 206, and Quantum Computing Inc. at a staggering 1,383.
While investors are optimistic about the transformative potential of quantum computing, challenges loom ahead that may result in disappointing returns for recent buyers as the technology matures and competition increases from established tech giants.
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