TLDR
- IonQ, D-Wave Quantum, and Rigetti Computing are the top quantum computing stocks with highest trading volumes
- IonQ announced a $1.065 billion acquisition of UK-based Oxford Ionics and plans to raise $500 million for R&D
- Rigetti Computing completed a $350 million equity offering to fund quantum computing expansion
- Microsoft released its Majorana 1 quantum chip and expanded Azure Quantum with 24-logical-qubit platform
- All three stocks received “Strong Buy” ratings from analysts with price targets showing 9-31% upside potential
Quantum computing stocks experienced heavy trading activity on Friday as three major players dominated market attention. IonQ, D-Wave Quantum, and Rigetti Computing recorded the highest dollar trading volumes among quantum computing companies over the past several days.
IonQ (IONQ) shares fell $0.92 to close at $37.79 on Friday. The company traded 19.3 million shares, slightly above its average daily volume of 18.7 million shares.

The stock maintains a market capitalization of $9.89 billion with a 52-week trading range between $6.22 and $54.74. IonQ operates by selling access to quantum computers through major cloud platforms including Amazon Web Services, Microsoft Azure Quantum, and Google Cloud Marketplace.
D-Wave Quantum (QBTS) dropped $0.76 to finish at $15.12 per share. Trading volume reached 41.4 million shares compared to the average of 46 million shares daily.

The company holds a $4.42 billion market cap and trades within a 12-month range of $0.75 to $19.77. D-Wave develops quantum computing systems and offers cloud-based quantum computing services through its Leap platform.
Major Acquisitions and Funding Drive Growth
IonQ recently announced plans for a $1.065 billion acquisition of Oxford Ionics, a UK-based quantum computing company. This deal represents one of the largest transactions in the quantum computing sector.
The company also unveiled plans to raise $500 million to support ongoing research and development initiatives. These funds will help accelerate quantum system development using IonQ’s trapped-ion technology.
Rigetti Computing (RGTI) saw shares decline $0.70 to $11.40 on Friday. The stock traded 45.1 million shares against an average volume of 57.5 million shares.

Rigetti maintains a market value of $3.31 billion with a 12-month price range from $0.66 to $21.42. The company recently completed a $350 million equity offering to fund expansion of its quantum computing operations.
Microsoft Enters Hardware Market
Microsoft (MSFT) emerged as a quantum computing player with the introduction of its Majorana 1 quantum chip earlier this year. The chip uses topological qubits designed to offer greater stability and reduced error rates compared to traditional quantum bits.
The technology giant expanded access to neutral-atom quantum systems through Azure Quantum. This platform features a 24-logical-qubit system developed with partner Atom Computing.
Analyst Ratings Support Stock Momentum
Wall Street analysts maintain “Strong Buy” ratings across the quantum computing sector. IonQ carries an average price target of $43.00, representing 13.64% upside from current levels.
Rigetti Computing holds a $15.00 average price target, indicating 31.58% potential gains. Microsoft received a $518.77 consensus target price, suggesting 9.22% upside.
All three quantum computing stocks trade with high beta values above 1.4, indicating greater volatility than the broader market. The companies remain in early development stages with negative price-to-earnings ratios as they invest heavily in research and development.
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