Yahoo Finance·2026-01-15 15:50Core Insights - The quantum computing sector is experiencing significant excitement, particularly for companies like Rigetti and IonQ, but they face financial challenges and high cash burn rates [5][3] - Alphabet is highlighted as the most attractive long-term investment in quantum computing due to its strong balance sheet and substantial cash flow [8][9] Financial Performance - Rigetti and IonQ have raised significant capital through equity issuance, with Rigetti raising $350 million and IonQ raising $2 billion in 2025 [2] - Rigetti reported a negative free cash flow of $67.6 million over the last year, while IonQ's cash burn accelerated to $263.6 million due to aggressive acquisitions [3] Market Position and Potential - Both Rigetti and IonQ are currently generating minimal revenue while investing heavily in research and development, leading to substantial cash burn [3] - Quantum computing is still in its early stages, with practical applications being years away, despite some systems currently in use [4] Technological Advancements - Alphabet's Willow chip has achieved significant milestones, completing a benchmark test in under five minutes that would take supercomputers an estimated 10 septillion years [10] - Alphabet is making progress in quantum computing, with successful execution of the Quantum Echoes algorithm, although practical applications are still years away [11] Investment Valuation - Alphabet trades at a reasonable valuation of about 29.5 times earnings, compared to IonQ and Rigetti, which trade at 91 and 408 times sales respectively [13] - The potential for pure-play stocks like Rigetti and IonQ exists, but they may become irrelevant over the next decade, while Alphabet is expected to remain a key player [13]