Brett Rentmeester argues that the AI race will increasingly be fought in space, where satellite infrastructure, orbital compute, energy generation, and defense systems converge. He says the theme is real but still very high risk, and that diversified exposure is safer than trying to pick early winners.
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In this Wealthion interview, Maggie Lake speaks with Brett Rentmeester, founder and managing director of Windrock Wealth Management, about investment opportunities in space. Rentmeester says he used to think space was mostly hype, split between boring launch activity and far-off Mars dreams, but has changed his mind after connecting space to the AI race, energy constraints, defense spending, and the growth of satellite-based infrastructure. His central framework is that AI, energy, satellites, drones, defense, and robotics are converging into one ecosystem. He emphasizes orbital space rather than deep-space exploration, arguing that the meaningful near-term opportunity is an orbital economy built around satellites, communications, launch systems, and eventually compute. …
Near term, this is a catalyst-driven narrative trade: any SpaceX/public-market headline, defense contract flow, or satellite-regulatory progress can keep the theme hot, but it is vulnerable to hype reversals.
Over the next few months, the theme likely holds only if AI power and compute bottlenecks keep worsening and if orbital infrastructure starts showing real commercial traction. Without those confirmations, attention may rotate back to more tangible AI beneficiaries.
Structurally, the interview argues that compute, communications, and defense may migrate into orbit over time, making space a core layer of the AI era rather than a side industry. If that regime shift happens, the most durable winners may look more like infrastructure and defense platforms than pure exploration bets.
The AI race will be won in space.
This is the speaker’s central thesis tying together AI, energy, satellites, and defense.
The key constraint on AI growth is energy supply, which is pushing the sector toward space-related solutions.
He repeatedly links AI compute expansion to energy limits and the blurring of lines between AI, satellites, defense, and robotics.
Space should be understood as an orbital economy, not just moon-or-Mars exploration.
He explicitly narrows the investable opportunity to orbital space and satellites rather than far-future colonization.
How do we know when something in space is a genuine investment opportunity or just hype?
Brett admits he was recently in the 'hype camp' because he wasn't knowledgeable about what space really encompasses. He thought of space as either boring rocket/NASA improvements or Elon Musk's pie-in-the-sky Mars vision. He changed his view after realizing space ties into the global AI race, the resource war for energy, and defense — all converging together.
Does investing in space create completely different challenges or are there similarities to other technology moments?
Brett says space brings in new elements like different physics and materials, but you can look back at past tech cycles for lessons. He uses the internet as an analogy: people once said we'd never have video because there wasn't enough bandwidth — then bandwidth came and Netflix emerged. Amazon started as a used-book website and became a same-day delivery giant. Space is similarly foundational with many potential offshoots.
What made you change your mind about space as an investment area?
Brett credits Elon Musk's insights — particularly that reusable rocket launches change the economics of putting things into space. He explains that we should think about orbital space (not moon/Mars) and building an 'orbital economy.' He cites Musk's view that AI compute will be done in space cheaper than on Earth within three years, and notes SpaceX filed an FCC application for a million-satellite constellation. He also raises Musk's view that solar in space could be five times more efficient than on Earth with constant sun.
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