On August 10, Reuters reported that Sony Group (NYSE:SONY) and Taiwan Semiconductor Manufacturing (NYSE:TSM) plan to spend around $6.3 billion on a joint venture to build next-generation microchips for image sensors. It pairs Sony’s sensor design expertise with TSMC’s manufacturing scale, and it lands while both companies already show momentum in their core businesses.
The venture will be owned about 60% by Sony and 40% by TSMC, with commercial production targeted to start as early as 2029 at a site in Japan’s Kumamoto prefecture. The companies first announced plans to form it in May, aiming to combine Sony’s design know-how with TSMC’s process technology, and the partnership will also explore physical artificial intelligence applications such as automotive and robotics. Sony is already the world’s largest maker of image sensors, and TSMC is the world’s largest contract chipmaker.
Bull Case: Sony-TSMC Venture Fuels Physical AI Growth
TSMC’s own numbers explain why Sony wanted it as a partner. In its second-quarter report on July 16, revenue climbed about 34% year over year to $40.2 billion and net income jumped 77% to a record, with gross margin at 67.7% and operating margin at 60.3%. The newest 2-nanometer node made up just 3% of wafer revenue in the quarter, leaving a long runway as it scales.
Sony’s results carry similar momentum. First-quarter operating profit rose 40% from a year earlier, prompting the company on July 31 to raise its full-year group operating profit forecast 8% to 1.72 trillion yen, citing tariff refunds, currency effects, and cost control. Sony also raised its outlook specifically for the image sensor business, pointing to higher sales and favorable exchange rates, while its gaming division stands to benefit from the November 19 launch of Grand Theft Auto VI on PlayStation.
Bear Case: Valuation and Supply Headwinds
TSMC’s valuation still carries risk. Its market cap crossed $2 trillion again on July 30, yet shares trade at roughly 20 times forward earnings, about what an average large company costs, and management is guiding third-quarter gross margin down to 65% to 67% as the costly early phase of the 2-nanometer ramp works through its factories. TSMC also remains a cyclical manufacturer based mostly in Taiwan, so geopolitical tension is a risk no earnings report can erase, and heavy capital spending could pressure returns if AI demand cools before new capacity fills.
Sony has its own crosscurrents. It says it has secured the memory chip supply needed for the current fiscal year, even as rising memory costs squeeze makers like Apple and Samsung. PlayStation 5 hardware sales fell to 1.6 million units in the first quarter, down roughly a third from a year earlier, and Sony shares only traded flat on July 31 despite the profit beat and raised guidance. Shares were also down 8% year to date heading into that report.
Market Sentiment
Hedge fund positioning is moving in opposite directions. Funds holding TSMC rose to 234 from 224 the prior quarter, while funds holding Sony slipped to 27 from 28. Short interest is low for both, at 0.69% of float for TSMC and 0.25% for Sony, suggesting little organized bearish conviction on either name. As of August 10, TSMC trades at 25.32 times forward earnings versus 16.05 for Sony, pricing in more growth for the chipmaker.
Conclusion
The sensor venture ties these two companies together for years, with production not expected until 2029. For TSMC, the bull case rests on the 2-nanometer ramp continuing on the timeline management has described, while the bear case rests on whether a cyclical, Taiwan-based manufacturer keeps expanding margins as capital spending grows.
While we acknowledge the risk and potential of SONY and TSM as an investment, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and doing so within a shorter time frame. If you are looking for an AI stock that is more promising than SONY and TSM and that has 10,000% upside potential, check out our report about this cheapest AI stock.
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