US · ai · artificial intelligence · customer experience

Who invested in Sierra

3 rounds we have observed, with the investors named in each. Every figure below came from a named source, and where the company reported the raise to the SEC itself, that is shown beside it.

3
rounds observed
7
investors named
$1.5B
reported across those rounds
May 2026
most recent

The rounds

Undisclosed round · May 2026 · $950M

GV lead, Google Ventures lead, Tiger Global lead, Sequoia, Greenoaks, Benchmark

Reported by Crunchbase News and 3 others · SEC filing: $550M sold under the offering, first sale Mar 2026

Undisclosed round · Sept 2025 · $350M

Greenoaks Capital lead

Reported by TechCrunch · SEC filing: $3.6M sold under the offering, first sale Jul 2025

Undisclosed round · Oct 2024 · $175M

Greenoaks Capital lead, Thrive Capital, ICONIQ, Iconiq

Reported by TechCrunch and 1 other · SEC filing: $22M sold under the offering, first sale May 2020

Everyone who backed them

InvestorTypeRounds
VC firm3
VC firm2
Family office2
VC firm1

Missing a round, or an investor who was in one? Tell us.