Plume
PrivateLast Round
Series F
Oct 12, 2021
Est. Valuation
$2.6B
Total Funding Raised
$697.2M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Plume is a telecommunications software company that provides a cloud-controlled experience platform for Communications Service Providers (CSPs) to deliver smart home and business services.
Sector
Telecommunications & Networking
Verticals
Internet Providers, Network Security, Network Analytics, Business Intelligence, Software-Defined Networking
Business Model
B2B2C
Customer Profile
Subscription SaaS, Hardware + Subscription
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Plume Comparables
Compare Plume with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Airties | 87% | |
| SoftAtHome | 77% | |
| Axon Networks | 75% | |
Plume Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series F | Oct 12, 2021 | ||||
| Series E | Feb 23, 2021 | ||||
| Series D | Feb 26, 2020 | ||||
| Debt | Feb 26, 2020 | ||||
| Series B | Jun 6, 2017 | ||||
Series A | Jan 25, 2016 |
Key People
Founding team and executive leadership
Plume Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| SoftBank Investment Advisers | Series F |
| Liberty Global Ventures | Series A, Series F, Series D, Series E, Series B |
| Jackson Square Ventures | Series F, Series E, Series B, Series A |
| Qualcomm Ventures | Series D |
| SoftBank Group | Series F |
| Samsung Venture Investment | Series B |
| WestRiver Group | Debt |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 15, 2026
Certified as a Most Loved Workplace.
- Mar 27, 2026
Platform now manages over 3 billion devices.
Plume 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 Plume's valuation, stock price, and market status.