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Rigetti Computing Stock Draws Retail Buzz After Quantum Timeline Slips

Bonisiwe Shabane
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rigetti computing stock draws retail buzz after quantum timeline slips

Shares of Rigetti Computing (RGTI) garnered retail investor interest on Friday as the community debated its missed deadline for delivering a 100+ qubit chiplet-based system by the end of 2025. Rigetti had said in July that it remains on track to release its 100+ qubit chiplet-based system at 99.5% median two-qubit gate fidelity before the end of 2025. However, walking into 2026, there has been no announcement from the company of the said system. To further concerns and drag down investor sentiment, the company announced in a filing with the Securities and Exchange Commission that its director Fitzgerald Alissa sold nearly 60,000 shares of the company. On Stocktwits, retail sentiment around RGTI stayed within the ‘bullish’ territory, accompanied by ‘normal’ message volume. A Stocktwits user highlighted the insider share sale on Friday as a sign of the company’s downfall.

Written by Anders Bylund for The Motley Fool-> Rigetti Computing's stock plummeted 42% in November after reporting an 18% revenue decline and ballooning losses of $201 million in Q3 2025. The company's full-stack approach to quantum computing is impressive, but the technology remains years away from practical commercial advantages over traditional computers. This stock might just be "the next Aurora Cannabis," which would be an unfortunate fate. Shares of quantum computing expert Rigetti Computing (NASDAQ: RGTI) fell 42.2% in November 2025, according to data from S&P Global Market Intelligence. The bearish timeline included a disappointing earnings report, which erased October's 48.6% gain and then some.

Rigetti's stock lost 14.2% of its value across the two-month span from Sept. 30 to Nov. 29. December 29, 2025, 12:48 ET — Regular session Rigetti Computing shares fell about 2.1% to $21.92 in midday trading on Monday, after closing at $22.38 on Friday. The decline highlights how quickly sentiment can shift in the small group of “pure-play” quantum-computing stocks as the year ends.

Profit-taking and thin holiday liquidity have amplified swings in the sector, Investors.com reported. Investors Moves across the group were mixed. IonQ fell about 2.3% while D-Wave Quantum rose about 0.6%, and Quantum Computing Inc slid about 2.3%. Quantum-computing shares jumped on Dec. 22 without major company news and then sold off over the following three sessions, the Investors.com report said, as some investors locked in gains and others balked at valuations.

Investors Shares of Rigetti Computing (NASDAQ: RGTI) closed Friday at $15.44, down 3.2% despite a strong month that saw the stock gain nearly 40% in July. In after-hours trading, Rigetti saw a modest rebound, rising 0.58% to $15.53. The decline comes as a slight correction following enthusiasm surrounding a major technical breakthrough announced just days ago. Last week, Rigetti unveiled progress on its Ankaa-3 quantum computing system, which integrates four 9-qubit chips and achieves a 99.5% two-qubit gate fidelity, an important milestone in quantum accuracy. The achievement briefly pushed Rigetti shares up over 50% earlier in the month.

The Ankaa-3 system’s breakthrough positions Rigetti as the creator of the largest known multichip quantum system. While other competitors have achieved higher fidelity scores, the multichip integration is a step forward in building scalable quantum computers. Fidelity, or how accurately a quantum gate performs calculations, remains the sector’s central technical hurdle. Unlike classical computers that use binary bits (0 or 1), quantum computers use qubits that represent probabilities of 0 or 1, which collapses into a fixed state during readout. This quantum advantage could someday outperform classical systems in solving certain complex problems, but only if fidelity improves further. Rigetti Computing Inc.

(NASDAQ:RGTI) just flipped the switch on its biggest quantum breakthrough yet – and for once, Wall Street didn't sleep through it. The company's reveal of a 36-qubit modular quantum system with record-setting fidelity has investors scrambling, sending RGTI stock up 14.5% by 10 a.m. ET. Quantum might still be years from going mainstream, but Rigetti's stock is having its moment right now. Rigetti has built the largest modular quantum computer yet by linking together four 9-qubit chips to create a 36-qubit system. But it's not just about size—the company also cut its error rate in half, reaching 99.5% accuracy in how its qubits work together.

That's a major step toward making quantum computers more reliable. What makes this even more impressive is that Rigetti isn't just talking about modular quantum design – it's actually delivering. With real data, real performance and a clear path to building a 100+ qubit system by the end of the year, Rigetti is turning big quantum ideas into working technology. Read Also: Quantum Stock Watch: Bullish Analyst Coverage On IonQ, D-Wave, Rigetti Computing The information on this site is for information purposes only. AllPennyStocks.com ("APS"), its affiliates and content licensors assume no liability for any inaccurate, delayed or incomplete information, nor for any actions taken in reliance thereon.

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