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Date
Release
Company
Type
Value
Source
May 4, 2026
Sierra raises $950M
Sierra raised $950 million from new and existing investors led by Tiger Global and GV.
S
Sierra
Funding round
$950M
Sierra
Feb 6, 2026
Sierra exceeds $150M ARR
Sierra reported more than $150 million in annual recurring revenue as it entered its third year.
S
Sierra
Revenue disclosure
$150M
Sierra
Nov 21, 2025
Sierra reaches $100M ARR
Sierra announced that it reached $100 million in annual recurring revenue seven quarters after its public launch.
S
Sierra
Revenue disclosure
$100M
Sierra
Sep 4, 2025
Sierra raises $350M
Sierra raised $350 million in additional capital led by Greenoaks to expand Agent OS and its international business.
S
Sierra
Funding round
$350M
Sierra
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