RadianX

RadianX™ (formerly CPTI) turns any surface into power.

Climate and energy

Latest funding

$9M · November 6, 2026

Led by SOSV · Source: pulse2.com

Funding history ↓

Website: radianx.co.

X: @CPTI_2025 · 4 followers.

LinkedIn: radian-x.

Category: Climate and energy.

Sectors: CleanTech, Energy, Renewable Energy, Solar.

Based in: San Francisco, United States.

Last round: Nov 6, 2026 · 6 days ago.

On Recent Funding since: Nov 8, 2026.

Signals

X account@CPTI_2025 · created Mar 27, 2025 (20 months old) · 4 followers

Website registeredAug 28, 2026 (3 months old)

About RadianX

Ultra-thin perovskite solar cells capture indoor and outdoor light to power sensors, IoT and physical AI.

TIMELINE · MONEY RAISED

RadianX | 589 days from X account to first raise on record

@CPTI_2025·Raised $9.0M in 1 sourced round·2 signals before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

November 6, 2026
Round · $9M
SSOSV (lead), TTwynam Agricultural Group (lead), AAlumni Ventures, AAvila VC, CCalifornia Innovation Fund, OOne Small Planet, QquantumEDGE Ventures, RRiceberg Ventures, SSahsen Ventures
Source: pulse2.com
August 28, 2026
Website created
March 27, 2025
X account created

Founders and team

JD
Josh Douglas Founder
VQ
Vivian Qu Founder

Investors

Companies like RadianX

EEpishine$5.5M · Jul 2023
SSofabSeed · Jul 2026
PPuskeySeed · Jul 2026
BBeyond Silicon
TTandem PV$50M Series A · Mar 2025
RRenshuo SolarSeries B+ · Oct 2026

Other companies backed by SOSV

WWoovly Shop Socially$13.67M Series B+ · Oct 2026
DDropGenie$5M Seed · Oct 2026
MMetabolize$3.2M Seed · Oct 2026
GGiraffe Bio$6.4M Seed · Oct 2026
DDanu Robotics$5M Seed · Oct 2026
RRBW$661K Seed · Sep 2026

SOSV portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/radianx (get a free API key).