Lightmatter was founded in 2017 by Dr. Nicholas Harris, Darius Bunandar, and Thomas Graham at MIT. The photonic processor technology that underlies Lightmatter was developed over a four year span at the MIT Research Laboratory of Electronics. The founders of Lightmatter, along with other competition participants, won the 2017 Harvard President's Innovation Challenge and the MIT $100k Entrepreneurship Competition.
| Date | Amount | Type | Investors | Valuation |
|---|---|---|---|---|
| 02/05/18 | $11,000,000 | Series A |
Matrix Partners Spark Capital | undisclosed |
| 05/06/21 | $80,000,000 | Series B |
GV Hewlett Packard Enterprise Lockheed Martin Corporation Matrix Partners SIP Global Partners Spark Capital Viking Global Investors | undisclosed |
| 05/31/23 | $154,000,000 | Series C |
Fidelity Management & Research Company GV HPE Pathfinder SIP Global Partners Viking Global Investors | undisclosed |
| 12/19/23 | $155,000,000 | Series C-2 |
GV Viking Global Investors | $1,200,000,000 |
| 01/09/24 | undisclosed | Series C-2 |
SIP Global Partners | $1,200,000,000 |
| 10/16/24 | $400,000,000 | Series D |
Fidelity Management & Research Company GV T. Rowe Price Associates | $4,400,000,000 |
