OpenAI & Advantest
7 shared events · Importance 3 · Last updated Aug 05, 2026
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Business
OpenAI: OpenAI>>> confidentially filed for a U.S. initial public offering, signaling a move towards public markets and potentially impacting the tech sector.
Advantest: Advantest gained, contributing to the Nikkei 225's gains, as a testing equipment maker benefiting from the AI boom.
May 20, 2026 · 72 articles
Business
OpenAI: Filed for IPO; reportedly considering delaying IPO to next year.
Advantest: Fell up to 10.5% in Tokyo.
Apr 20, 2026 · 344 articles
unfocused
OpenAI: OpenAI is a rival to Anthropic in the race to public markets, though Anthropic is currently ahead.
Advantest: Shares for chip testing equipment maker Advantest gained, benefiting from the overall surge in AI-related technology stocks.
May 19, 2026 · 199 articles
Business
OpenAI: SoftBank Group's investment in OpenAI contributed to its net profit quadrupling, and news of OpenAI's potential US listing further boosted SoftBank's shares.
Advantest: Advantest, a chip-related share, retreated 1.9% despite the general AI rally, indicating not all companies in the sector advanced.
Jun 01, 2026 · 32 articles
Business
OpenAI: Microsoft's AI partner, benefiting from AI adoption.
Advantest: Gained on AI-driven demand for chip testing equipment. Benefited from the semiconductor rally.
Jul 14, 2026 · 280 articles
International
OpenAI: OpenAI is being sued by Apple for trade secrets theft, a legal development in the AI industry.
Advantest: Advantest shares tumbled in Tokyo, caught in the global semiconductor selloff.
Apr 20, 2026 · 304 articles
Business
Advantest: Shares for chip testing equipment maker Advantest gained, benefiting from the overall surge in AI-related technology stocks.
May 26, 2026 · 9 articles
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