Diamond Foundry Funding: $315M Raised, Investors & Rounds

Diamond Foundry is based in San Carlos, California. It has raised $315M in total funding. Backed by Fidelity, Sun Microsystems, Andy Bechtolsheim.

Diamond Foundry funding overview

Diamond Foundry is based in San Carlos, California. Diamond Foundry has raised $315M in total disclosed funding. That places its disclosed total in the $250M–$1B range. Investors on record include Fidelity, Sun Microsystems, Andy Bechtolsheim, Tony Fadell, Jeff Skoll, Evan Williams and 4 others. 10 distinct backers are named across the disclosed rounds.

Diamond Foundry at a glance

Total raised
$315M
Headquarters
San Carlos, California
Notable investors
Fidelity, Sun Microsystems, Andy Bechtolsheim, Tony Fadell, Jeff Skoll, Evan Williams, Andrew McCollum, Leonardo DiCaprio

Frequently asked about Diamond Foundry funding

How much has Diamond Foundry raised?
Diamond Foundry has raised $315M in total disclosed funding across the rounds on record.
Who has invested in Diamond Foundry?
Fidelity, Sun Microsystems, Andy Bechtolsheim, Tony Fadell, Jeff Skoll, Evan Williams are named among the investors backing Diamond Foundry.
What was the latest Diamond Foundry funding round?
No round stage has been disclosed for Diamond Foundry.
Where is Diamond Foundry based?
Diamond Foundry is based in San Carlos, California.

We update the Diamond Foundry record whenever a new round is filed or announced, so the totals above track the public record rather than estimates. Related companies in San Carlos and their backers are listed below.

Companies related to Diamond Foundry (32)

Browse related funding lists (2)

Company funding database · Investor directory · Founder database · Mega-rounds 2026

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