Are Quantum Computing Stocks Safe Investments? Insider Trading Red Flags

Last Updated: October 18, 2025By

Looking Closer at Quantum Computing Stocks

Quantum computing is creating quite the buzz, promising massive economic benefits and groundbreaking applications. It’s the kind of technology that has the potential to redefine industries, from creating new medications to bolstering cybersecurity. The numbers are certainly tantalizing, suggesting an economic boom reaching up to $1 trillion by 2035. Not surprisingly, this has led to a surge in investor interest, with companies like IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing, Inc. seeing spectacular stock increases in the past year. To put it in perspective:

  • IonQ: Stock up 633%
  • Rigetti Computing: Up an eye-popping 6,770%
  • D-Wave Quantum: A jump of 4,330%
  • Quantum Computing, Inc.: Increased by 3,040%

But before you rush to invest based on these figures, there’s more to consider.

The Insider Story Behind the Buzz

The rise of quantum stocks isn’t just about flashy gains. Recent insider trading reports have revealed a striking trend: significant share sell-offs. Here’s what the insiders are doing:

  • IonQ: Over $569 million in insider sales
  • Rigetti Computing: Around $50 million unloaded
  • D-Wave Quantum: $221 million worth of sell-offs
  • Quantum Computing, Inc.: About $33 million in sales

All told, that’s around $875 million in shares sold by those who likely know the companies best. Although insider selling can be routine, this level paired with little or no buying sends up a caution flag. Notably, Quantum Computing, Inc. has seen no insider purchases, and D-Wave’s last was ages ago. Couple this with sky-high price-to-sales ratios—IonQ at 340 and Quantum Computing, Inc. all the way up at 10,250—and you start to wonder if the valuations are as sustainable as we hope.

QI Sentinel: Stay informed and make smart investment moves.

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