SEC Halves Tender Offer Window as QXO Targets $17B TopBuild Deal and AI Firm Gets $10B Boost

TL;DR: The SEC halved the minimum tender offer period for friendly all‑cash deals to 10 business days, while QXO agreed to acquire TopBuild for roughly $17 billion and Project Prometheus secured a $10 billion AI investment led by JPMorgan Chase and BlackRock.

In April, global deal value slipped 22% month-over-month to about $430 billion but rose 21% year-over-year, with software and construction leading U.S. activity. The SEC's exemptive order, issued April 16 2026, cuts the waiting period for qualifying tender offers from 20 to 10 business days, aiming to speed up two-step acquisitions.

QXO (ticker: QXO) announced a cash-and-stock purchase of TopBuild Corp (ticker: BLD) valued at approximately $17 billion. Following the news, QXO shares rose 4.2% to $12.30, giving it a market cap near $3.1 billion, while TopBuild shares gained 3.8% to $78.50, lifting its market cap to roughly $6.4 billion. The deal mixes cash and stock, subject to standard regulatory approvals.

Project Prometheus, a private AI-focused firm, closed a $10 billion funding round led by JPMorgan Chase and BlackRock. The investment values the company at a post-money level that places it among the largest AI financings to date, though exact valuation was not disclosed. The round reflects continued investor appetite for AI infrastructure amid a broader U.S. M&A surge in software deals.

The shorter tender-offer window means bidders can move faster once a friendly agreement is reached, reducing uncertainty for target shareholders and potentially increasing deal frequency. For QXO, the accelerated timeline could help close the TopBuild transaction before any competing bids emerge, while investors in Project Prometheus may see quicker capital deployment for AI expansion.

Analysts note that the compressed schedule may also limit time for due diligence, a trade-off regulators weighed when crafting the exemptive order.

Watch for whether more companies exploit the SEC's new rule to launch rapid cash tender offers, how QXO integrates TopBuild's construction-services platform, and whether AI mega-rounds continue to drive U.S. deal value in the coming months.