Mar 2025 – xAI completes an all‑stock acquisition of the social‑media platform X, merging its data, models, compute and talent under the AI umbrella and leaving only Neuralink and The Boring Company outside Musk’s consolidated empire[1].

Dec 2025 – SpaceX conducts a secondary share sale that values the rocket company at roughly $800 billion, setting a high benchmark for the later merger valuation[2].

Dec 10, 2025 – Bloomberg reports that SpaceX plans a $30 billion IPO in 2026 that could push its market cap to as much as $1.5 trillion, a move that would give Musk a massive net‑worth boost and expose the firm to public‑market scrutiny[3].

Jan 2026 – xAI secures a $20 billion Series E funding round backed by Fidelity, the Qatar Investment Authority and other investors, underscoring strong capital appetite for its AI projects[2].

Jan 2026 – In response to EU and UK probes over Grok’s image‑generation feature, xAI imposes new restrictions that limit users’ ability to edit images, aiming to curb the creation of sexualised content[1].

Feb 2, 2026 – SpaceX announces a private merger with xAI, creating a combined entity valued at over $1 trillion; Musk signs the memo and calls the deal “the next book” in both companies’ missions[1][2].

Feb 2, 2026 – Musk tells Tesla investors that xAI will serve as an “orchestra conductor” for autonomous robot factories and announces a $2 billion Tesla investment in xAI while halting production of two car models to focus on robotics[1].

Feb 2, 2026 – SpaceX files an FCC application seeking approval to launch up to one million satellites that would host solar‑powered data‑center constellations, a plan Musk says will deliver the “lowest cost way to generate AI compute” in space within two to three years[2].

Feb 2, 2026 – Analysts highlight the merger’s “multi‑decade vision” for space‑based energy and data centres (Emma Wall) and note that the deal bears “the hallmarks of a company preparing for a public listing” (Emily Zheng), suggesting a future SpaceX IPO could follow the merger[1].

2028‑2029 (expected) – SpaceX aims to deploy the million‑satellite AI data‑center constellation, intending to shift the bulk of AI compute to space and fund lunar bases and a Martian civilization within the next two to three years[2].

Future (unspecified) – The merged entity may eventually list shares publicly, potentially reaching a valuation near the $1.5 trillion range projected for a SpaceX IPO, though analysts warn tangible benefits may not materialise for 10‑30 years[1].