Funding round
Sierra Growth
Reported as "Growth Equity"
Sierra, which works in AI customer experience solutions development in San Francisco, raised $950M in a Growth round announced on 4 May 2026, led by Tiger Global and GV, at a $15.80B post-money valuation. 2 firms took part. It is Sierra's third venture round on record; the one before was a Growth in Sep 2025.
$950M
Amount raised
$15.80B
Post-money valuation
2
Investors
2 leads
1.6x
Step-up from the Growth
$10.00B in Sep 2025
6.0%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced Sierra at $15.80B after the new money, 1.6 times the $10.00B of its Growth (Sep 2025). The $950M bought investors about 6.0% of the company. It came 8 months after Sierra's Growth. It is 64% of the $1.48B Sierra has raised in the venture rounds on record. No later venture round is on record for Sierra.
Investors
Who put money in
Tiger Global and GV led the round.
Lead investors
- Tiger Global new investor
- GV backs 428 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to product development, scaling operations and working capital.
- Product development
- Scaling operations
- Working capital
Comparable rounds
How it compares
20 Growth rounds in Software Development Services within a year either side disclosed an amount; the median was $55M, and this round was 17 times the median. The closest in time, other companies' Growth rounds in Software Development Services:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Software Development Services | 22 May 2026 | $100M | not disclosed | not named |
| Software Development Services | 8 Apr 2026 | $80M | $1.30B | Kleiner Perkins |
| Software Development Services | 21 Jul 2026 | undisclosed | not disclosed | Falfurrias Management Partners |
| Software Development Services | 24 Mar 2026 | undisclosed | not disclosed | not named |
| Accel Fintech Software Development Services | 12 Aug 2026 | $550M | not disclosed | not named |
| Software Development Services | 4 Feb 2026 | $100M | not disclosed | Crosspoint Capital |
| Software Development Services | 17 Feb 2026 | $50M | not disclosed | Scottish Equity Partners |
| Software Development Services | 21 Jan 2026 | $250M | not disclosed | not named |
Sources
Where this comes from
Reported by 4 sources. The deal data marks this round as not yet confirmed by an official announcement. Unconfirmed
Questions
Frequently asked
How much did Sierra raise in its Growth round?
Sierra raised $950M in its Growth round, announced in May 2026.
Who led Sierra's Growth round?
Tiger Global and GV led it.
What was Sierra's valuation at the Growth round?
$15.80B post-money.
How does it compare with other Growth rounds in Software Development Services?
20 Growth rounds in Software Development Services within a year either side disclosed an amount; the median was $55M, and this round was 17 times the median.