Span.IO, Inc.
PrivateLast Round
Strategic
Mar 9, 2026
Est. Valuation
$600M
Total Funding Raised
$479.7M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Span.IO, Inc. is an energy and sustainability company that develops and manufactures smart electrical panels and home energy management products to facilitate residential electrification.
Sector
Energy & Sustainability
Verticals
Energy Management, AI Training Infrastructure, Smart Buildings, Edge Computing, EV Charging
Business Model
B2C
Customer Profile
Hardware Sales, Usage-Based SaaS
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Span.IO, Inc. Comparables
Compare Span.IO, Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Savant Systems | 79% | |
| ABB India Limited | 76% | |
| Schneider Electric | 76% |
Span.IO, Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Strategic | Mar 9, 2026 | ||||
| Series C | Jan 15, 2026 | ||||
| Series B Extension | Apr 24, 2023 | ||||
| Series B | Mar 22, 2022 | ||||
| Series A Extension | Jan 26, 2021 | ||||
Series A | May 12, 2020 |
Key People
Founding team and executive leadership
Span.IO, Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Wells Fargo Strategic Capital | Series A Extension, Seed, Series A |
| Capricorn Investment Group | Series A Extension, Series B Extension, Series A |
| Munich Re Ventures | Series B Extension, Series A Extension |
| SV Angel | Seed |
| Wireframe Ventures | Series A Extension, Series A, Seed |
| Craft Ventures | Seed |
| Qualcomm Ventures | Series B Extension |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 15, 2026
Partnered with Nvidia to co-develop AI data centers for residential use.
- Apr 13, 2026
Launched XFRA, a distributed data center solution for compute capacity.
Span.IO, Inc. Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Span.IO, Inc.'s valuation, stock price, and market status.
Is Span.IO, Inc. a public or private company?
Span.IO, Inc. is a private company.
What is the current stock price of Span.IO, Inc.?
Span.IO, Inc. is a private company, so its shares have no public market price. Caplight tracks Span.IO, Inc.'s secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Span.IO, Inc. worth (valuation)?
Span.IO, Inc.'s valuation is estimated at $600.0M based on funding round data.
Can I buy Span.IO, Inc. stock?
Span.IO, Inc. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Span.IO, Inc.'s last funding round?
Span.IO, Inc.'s most recent funding round was Strategic on March 9, 2026.
Who are the main investors in Span.IO, Inc.?
Key investors in Span.IO, Inc. include Munich Re Ventures, Wireframe Ventures, Fifth Wall, Wellington Management, ArcTern Ventures.
Will Span.IO, Inc. IPO soon?
No public IPO plans have been announced for Span.IO, Inc..
How can I track Span.IO, Inc. secondary market activity?
Caplight tracks bids, offers, and trades in Span.IO, Inc.'s shares on secondary markets.