MAGUIRE: People Don't Understand SpaceX

AI summary of an opinion and forecast piece by Shaun Maguire, a SpaceX investor who says up front that he is "extremely biased." The views are his. This is not investment advice. Factual claims are checked in Quick Context.

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On Oct. 30, 2026, Sequoia Capital partner Shaun Maguire (@shaunmmaguire) published an X Article titled "People don't understand SpaceX" (read it on X). After SpaceX's Q3 earnings call, he built his own bottom-up financial model of the company. He released it on a day when markets were falling, because he wanted to "take the far other side" and start a debate.

His main claim is that, barring a major disruption, SpaceX is about to go through a revenue ramp whose only parallel is NVIDIA's over the last three years. He gives four reasons he thinks investors underrate the company:

• The team. He calls it the best on Earth, built on intense work and on the plain test of whether "the rocket fly or explode." His summary: "Physics beats politics."
• Starship. He argues it may be the hardest machine humans have built to catch up to, and calls it "the biggest moat in history."
• Cheap compute. He thinks AI compute will be priced more like oil than like the overbuilt broadband of the dot-com era. If so, the low-cost producer wins, and he says that's SpaceX.
• Launch math. He figures one Starship flight equals about 20 Falcon 9 launches of Starlink capacity, or about $5B in lifetime revenue per flight. He also predicts Direct to Cell will out-earn Starlink by 2029 or 2030.

He admits his error bars are wide and says he'd defend the numbers in a live debate.

Why It's Here

Count the cost. Luke 14:28 says to sit down and count the cost before you build the tower. This is a builder's ledger, laid out in public. Weigh the witness. The author holds a large stake in the company he's praising, and he says so. Read it as a bull case from an interested party, not a neutral appraisal. Sharing it here is not a recommendation to buy anything.

About the Author

Shaun Maguire is a partner at Sequoia Capital and holds a physics PhD from Caltech, according to his X profile. In the article, he writes that he led Sequoia's investments in SpaceX starting in 2020. He has about 394,000 followers on X.

Quick Context

• Disclosed conflict: He writes that Sequoia "has a large position in SpaceX" and that he is "extremely biased." He also calls the post "not investment advice."
• Earnings call: SpaceX reported Q3 2026 results on Oct. 20, 2026 (SEC filing, call transcript).
• "About $20B/yr" Starlink run rate: This roughly matches the filing. Q3 Connectivity revenue was $5.25B, which annualizes to about $21B.
• "First booster catch in 2015": This is loosely worded. SpaceX first landed a Falcon 9 booster in December 2015. The first tower "catch" of a Super Heavy booster came in October 2024. His date for China (2026) is his own claim. We didn't verify it independently.
• Forecasts and rankings: These are his opinions and projections: the NVIDIA-style ramp, "best team on Earth," "biggest moat in history," the China timelines, the cost per gigawatt, and Direct to Cell passing Starlink. The model numbers he shared weren't independently checked, and we didn't reproduce his charts here.

Original article by Shaun Maguire on X