How Do You Price the Musk Conglomerate?

SpaceX is reportedly weighing mergers with xAI, Tesla, or both ahead of its 2026 IPO. Set aside whether any of this happens, the more interesting question is how you'd even value it.

⏹️ The building blocks ⏹️

The bull case might sound something like:

🚀 SpaceX (~$800B, Dec 2025 tender): Starlink is cash generating. ~$15B in 2025 revenue, scaling to $22-24B in 2026. Launch business has oligopoly-type economics. Government exposure via Starshield is accelerating. (per Yahoo Finance)

🤖 xAI (~$230B, post-Series E): Owns X, operates Grok, just raised $20B. Proven ability to develop infrastructure capacity with 1M+ H100 equivalents at Colossus. Revenue is earlier-stage but scaling with enterprise and government contracts. (per the company’s press)

☀️ Tesla (~$1.6T, public): Energy storage did $12.8B in 2025 revenue. Optimus robotics entering production. FSD subscriptions just crossed 1M. (per Yahoo Finance) The car business is the legacy asset now.

🧮 The valuation problem 🧮

Simple math says SpaceX + xAI = ~$1T pre-IPO. But that ignores:

1. Synergy premium: Orbital data centers need launch (SpaceX), compute (xAI), and power (Tesla Megapacks). Vertical integration across all three is a real moat. How much is that worth?

2. Conglomerate discount: Markets historically punish complexity. GE. Honeywell. The bigger you get, the harder it is to tell a clean story.

3. The Musk multiple: His companies have defied traditional valuation frameworks for a decade. Tesla trades at 80x+ earnings. SpaceX secondaries have doubled in 6 months. At what point does the "Elon premium" meet gravity?

4. Control dynamics: Musk controls SpaceX and xAI outright. Tesla requires shareholder approval. That's why a Tesla deal is the hardest to execute despite arguably having the cleanest strategic logic.

💭 What secondary buyers are weighing 💭

SpaceX shares are being bid in the secondary market at $900B valuation (per Caplight).

If a merger adds execution risk or delays the timeline, does that compress the multiple? Or does the combined entity narrative justify an even higher ceiling?

These are the questions we're tracking at Caplight. If you want real-time SpaceX pricing or data on other pre-IPO names, get in touch.

Disclaimer: This communication is for informational purposes only and does not constitute an offer or solicitation to buy or sell any securities or investment products. Consult with your financial advisor or an investment professional before making any investment decisions. Past performance is not indicative of future returns. Investments in private companies are illiquid, as there is a limited secondary market for private company shares.

Sources:

https://finance.yahoo.com/news/spacex-coming-public-markets-secondaries-213529802.html

https://ca.finance.yahoo.com/news/spacex-pursue-2026-ipo-raising-221347415.html

https://economictimes.indiatimes.com/tech/technology/elon-musks-spacex-is-building-spy-satellite-network-for-us-intelligence-agency/articleshow/108551127.cms

https://x.ai/news/series-e

https://finance.yahoo.com/quote/TSLA/

https://www.cnn.com/2025/07/15/business/us-department-defense-google-musk-xai

https://electrek.co/2026/01/28/tesla-discloses-fsd-subscriber-count-first-time-1-million/