Sierra
PrivateLast Round
Series E
5/4/2026
Est. Valuation
$15.8B
Total Funding Raised
$1.6B
Momentum Score
50 /100
Company Overview
Sierra (Business/Productivity Software) is a technology company that offers a conversational AI platform designed to enhance customer interactions by automating conversations and streamlining the efforts of customer experience teams.
Sector
Enterprise Software
Verticals
NLP & Conversational AI, Customer Experience, Workflow Automation, Low-Code/No-Code
Business Model
B2B
Customer Profile
Revenue Share, Subscription SaaS, Services & Consulting, Usage-Based SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Sierra Comps
Public and private peers based on sector, stage, and business model.
Sierra Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series E | 5/4/2026 | ||||
| Series D | 9/4/2025 | ||||
| Series C | 10/28/2024 | ||||
| Series B | 2/13/2024 | ||||
| Series A | 5/15/2023 |
Secondary Market Activity
Bids, offers, and trades by month
| Operation | Date | Price | Size | Share Class | Structure |
|---|---|---|---|---|---|
BID |
Sierra Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Benchmark Capital | Series D, Series E, Series C, Series B |
| Greenoaks Capital Partners | Series E, Series D, Series C |
| ICONIQ Capital | Series C |
| GV | Series E |
| Founders Fund | Series D |
| Thrive Capital | Series C, Series B, Series D |
| ICONIQ Capital | Series D, Series C |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 4, 2026
$950M round led by GV and Tiger Global Management.
- Apr 27, 2026
Acquired Receptive AI Inc., a voice agent specialist.
Sierra Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Sierra's valuation, stock price, and market status.