BrainCo
BrainCo is a Non-Invasive Consumer EEG company founded in 2015 and based in Somerville, United States. It has raised $291.5M in total funding, most recently a Series B+ in 2026 at a $1.3B valuation.
Offers EEG-based brain-sensing headbands for education, focus training, prosthetic control, and wellness applications. Spun out of Harvard Innovation Lab. Strong presence in China and U.S. education sector. Products include FocusCalm headband and prosthetic hand controlled by EEG. In January 2026, BrainCo (Qiangnao Technology) raised ~CNY 2 billion (~$286M) co-led by IDG Capital and Walden International — the largest BCI raise outside the US — and filed for a Hong Kong IPO at a reported ~$1.3B valuation (still private/pre-IPO).
One of the largest non-invasive BCI companies by deployment, especially in education markets, with hundreds of thousands of devices shipped globally.
At a glance
Total raised
$291.5M
Headcount
51-200
Headquarters
Somerville
United StatesFounded
2015
Status
Private
Latest valuation
Where BrainCo ranks
Top 25 Brain-Computer Interfaces companies →Funding history
Total raised
$291.5M
Rounds tracked
2
Latest stage
Series B+
Latest valuation
$1.3B
| Date | Stage | Amount | Valuation | Lead investors |
|---|---|---|---|---|
| Jan 1, 2026 | Series B+ | $286M | $1.3B | IDG Capital, Walden International |
| Jan 1, 2016 | Seed | $5.5M | — |