Aetherflux reportedly raising Series B at $2 billion valuation
Aetherflux, founded by Robinhood co-founder Baiju Bhatt, is reportedly raising a Series B round of $250M-$350M at a $2 billion valuation, with Index Ventures leading. The startup has strategically pivoted from space solar power to developing space data centers for AI, aiming to launch its first orbital data center by 2027. This move places Aetherflux in a competitive emerging market alongside other major space companies.
Aetherflux, the innovative space solar power startup co-founded by Robinhood's Baiju Bhatt, is reportedly in advanced discussions to secure between $250 million and $350 million in a Series B funding round. This significant capital infusion would catapult the company's valuation to an impressive $2 billion, signaling strong investor confidence in its evolving vision for space-based computing.
Sources familiar with the matter, initially reported by The Wall Street Journal, indicate that Index Ventures is poised to lead this substantial investment. Aetherflux, which commenced operations in 2024, has previously raised approximately $80 million, making this prospective round a major leap forward in its financial trajectory. The company has not yet commented on the fundraising reports.
A Strategic Pivot to Orbital AI
Notably, Aetherflux has undergone a strategic reorientation in recent months, shifting its core focus from beaming electricity to Earth via lasers to developing space-based data centers. This pivot aims to leverage its power-generating technology directly for distributed compute infrastructure in orbit, specifically targeting the burgeoning demand for AI processing capabilities.
Baiju Bhatt addressed this shift in a recent interview with TechCrunch, playfully stating, “Let the record show we never lifted our pivot foot — it wasn’t a travel.” He elaborated that the realization struck about a year ago: “if you wanted to power AI with the technology that we were thinking about, it would be much more advantageous to actually put the chips in space, rather than project the power from space down to a terrestrial data center.” This insight underpins the company's new direction.
Competing in the Space Computing Frontier
While Aetherflux plans to continue its foundational experimentation in laser power transmission using a satellite bus developed by Apex Space, its primary ambition now centers on launching its first dedicated data center satellite. This crucial milestone is anticipated for 2027, marking a tangible step toward realizing its orbital computing vision.
Bhatt articulated the company's long-term objective: to “build something that competes with terrestrial economics.” This aspiration highlights the profound economic and technological challenges inherent in establishing and operating data centers in space, a domain notoriously difficult to master. The article itself notes that achieving such economic competitiveness “won’t be easy,” referencing previous TechCrunch analysis on the brutal economics of orbital AI.
The Expanding Space Data Race
Aetherflux is entering an increasingly competitive and innovative landscape. Several prominent space companies, including industry titans like SpaceX and Blue Origin, alongside emerging players such as Starcloud, are actively engaged in developing novel architectures for distributed computing capabilities in space. This growing interest underscores a broader industry recognition of space's potential as a frontier for advanced computing and data processing.
This Series B round, if finalized at the reported valuation, would solidify Aetherflux's position as a significant player in the nascent but rapidly evolving sector of orbital AI infrastructure. It also reflects a wider trend of venture capital flowing into ambitious space tech ventures, particularly those aiming to solve complex terrestrial problems through extraterrestrial solutions.
FAQ
Q: What is Aetherflux's primary focus following its recent strategic shift?
A: Aetherflux has pivoted to developing space data centers specifically designed to power artificial intelligence (AI) compute, rather than its initial vision of transmitting power to Earth with lasers.
Q: Who is the co-founder of Aetherflux?
A: Aetherflux was co-founded by Baiju Bhatt, who is also known for co-founding the popular trading platform Robinhood.
Q: When does Aetherflux expect to launch its first data center satellite?
A: The company anticipates launching its first dedicated data center satellite in 2027, marking a key step in its transition to orbital computing.
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