After-hours

September 14, 2026

AirJoule Technologies acquires data center cooling and racking specialist BitSink for $18 million in cash and $9 million in stock

What happened

AirJoule Technologies is buying BitSink, a designer and manufacturer of cooling, electrical distribution and racking infrastructure for data centers. The deal is made up of $18 million in cash and $9 million paid in AIRJ stock. AirJoule shares fell 3 percent on the day, a move larger than 59 percent of its daily changes over the past three years.

Why it matters

The acquisition pushes AirJoule squarely into the physical infrastructure that cools and powers the data centers behind AI workloads. Integrating BitSink’s hardware gives AirJoule a direct line into the buildout of identity, network and data security layers around AI agents, at a time when hyperscaler capex is racing ahead of revenue. Paying partly in stock also dilutes current shareholders, which helps explain the share price drop.

The case against

AirJoule is a small company writing a check for $18 million in cash and giving up $9 million in equity for a hardware maker, and the market sold the stock hard. The move also lands during a week when chip stocks are pulling back, government bond yields are rising and market stress is building, which could punish a small, deal-driven name whether or not the acquisition makes sense.

What settles it

Whether AirJoule can show that BitSink’s cooling and racking contracts accelerate revenue from the AI buildout without requiring another dilutive capital raise.

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