Musk’s tunneling company closed $3B Series D at $23B on Sep 10, 2026 — UAE-led, with a16z and Sequoia in — tied to >150 km of planned Emirates tunnels while Las Vegas Loop remains the live proof.
a16z led Highstock’s $30 million Series A on September 10, 2026. The NYC surplus-inventory marketplace now lists more than $1 billion of product — ten times the $100 million it confirmed at a $5.5 million Greylock seed. Valuation, GMV, and take rate were not disclosed.
Covenant unveiled Anthem, a heavy-payload cruise missile, on September 9, 2026. Founder Michael Kaufman (a16z) said the 2024 company has raised $250 million. Reuters said just over $250 million from a16z, Founders Fund, Lux, 8VC, Aleph, and Lightspeed. Valuation was not disclosed. About $150 million of orders is Reuters, not the founder post.
Clay announced a $115 million Series D at $7.1 billion on September 9, 2026, led by Wellington. That is 2.3× the August 2025 $3.1 billion Series C and 42% above the January 2026 $5 billion employee tender. The Series D wire did not print current ARR. December 2025 $100 million ARR is the last company stock.
Harvey announced $550 million at a $15.5 billion valuation on September 9, 2026, co-led by Diffusion and Lightspeed. Bloomberg printed $15.6 billion. The company blog and Reuters did not name a series letter or print ARR. LawSites attributed $400 million ARR to a Weinberg LinkedIn post we did not retrieve. Same day: Guardrails AI, price undisclosed, Harvey’s fourth 2026 acquisition.
