Honeywell-backed Quantinuum set IPO terms that would raise about $1B and value the quantum-computing company near $13B. The filing clears the Tier-1 IPO threshold and gives public investors a new benchmark for quantum valuations.
A majority of SpaceX shareholders have approved a board-recommended 5-for-1 stock split, Bloomberg reported, in a move widely read as an IPO preparatory step for one of the world's most valuable private companies. The announcement follows Cerebras's blockbuster +70% IPO debut, intensifying investor anticipation for the SpaceX, OpenAI, and Anthropic public listings.
AI chip startup Cerebras Systems jumped nearly 70% on its May 15 market debut, closing with a market cap of roughly $95 billion — one of the largest opening-day valuations in U.S. IPO history. The blockbuster listing reignited investor interest in mega-private-company IPOs including SpaceX, OpenAI, and Anthropic, while signaling a credible rival to Nvidia's data-center dominance.
Republican lawmakers are investigating Sam Altman's personal business dealings for potential conflicts of interest as OpenAI moves toward an IPO. The scrutiny adds political risk to OpenAI's planned public offering.
AI chip maker Cerebras Systems raised its Nasdaq IPO price range to $150–$160/share from $115–$125, targeting a fully diluted market value of $48.8 billion. The offering was over 20x oversubscribed ahead of its May 14 trading debut.
A DeepMind employee publicly challenged private AI labs claiming to be on the path to AGI, arguing they should either go public or raise capital that ordinary people can invest in — otherwise, they're simply enriching billionaires.
Inspire Brands — which owns Dunkin', Arby's, Buffalo Wild Wings, Baskin Robbins, Sonic Drive-In, and Jimmy John's — has confidentially filed for an IPO with the SEC. Roark Capital is targeting a valuation of roughly $20 billion, which would rank among the largest restaurant IPOs ever for a platform running 33,300-plus restaurants with $33.4 billion in annual system-wide sales.
HawkEye 360 $HAWK is marketing 16 million shares at $24 to $26, implying a valuation of up to $2.42B and gross proceeds of as much as $416M. The listing would bring a 30-plus-satellite radio-frequency intelligence specialist to the NYSE as the 2026 IPO window reopens.
X-energy $XE jumped 27% in its Nasdaq debut, closing at $29.20 after opening at $30.11. The move followed an upsized IPO priced at $23 per share, above the marketed $16 to $19 range, with proceeds of about $1.02B as AI-driven power demand pulled nuclear names into public-market focus.
Cerebras is taking another run at public markets after its 2024 IPO effort was delayed and withdrawn. TechCrunch reports the AI chip startup logged $510M in 2025 revenue and has demand signals tied to AWS data centers and an OpenAI deal reportedly worth more than $10B.
Cerebras filed an S-1 on April 17 for a Nasdaq listing under $CBRS, reporting 2025 revenue of $510.0M, up 76%, and 2025 net income of $237.8M after a $481.6M net loss in 2024. The filing says OpenAI committed to a multi-year deal valued at more than $20B and received a 33.4M-share warrant subject to vesting.
Madison Air $MAIR priced its IPO at $27 a share and raised about $2.2 billion, according to MarketWatch, making it the largest IPO of 2026 and the largest industrial listing since 1999. The company registered NYSE trading under ticker $MAIR.