Lightmatter

Photonic chips for AI infrastructure that use light to move data between processors in AI supercomputers. The products include Passage photonic interconnects and Guide light engines.

Semiconductors & computeSilicon photonics for AI data centersMountain View, United States
FoundersSince 2017
Valuation
$4.4B
Total raised
$850M
Last round · Oct 2024
Series D
Founded
2017
Employees
310
Quarters in VP50
3

Valuation

$1B$10B2024$4.4B
Lightmatter priced rounds
RoundDatePost-money valuationRaisedLed by
Series C-2Dec 19, 2023$1.2B$155MGV (Google Ventures) and Viking Global Investors
Series DOct 16, 2024$4.4B$400MT. Rowe Price Associates, Inc.
Post-money valuation at each priced round. Log scale.Hover a point for the round

Updated

In VP50

  1. Q4 2023: no place
  2. Q1 2024: no place
  3. Q2 2024: no place
  4. Q3 2024: no place
  5. Q4 2024: #44
  6. Q1 2025: #50
  7. Q2 2025: no place
  8. Q3 2025: no place
  9. Q4 2025: no place
  10. Q1 2026: no place
  11. Q2 2026: no place
  12. Q3 2026: #26
  13. Q4 2026: no place

Place by quarter since Q4 2023. Best place #26.

Funding rounds

DateRound · leadRaisedValuation
Oct 16, 2024Series D · T. Rowe Price Associates, Inc.$400M$4.4B
Dec 19, 2023Series C-2 · GV (Google Ventures), Viking Global Investors$155M$1.2B
May 31, 2023Series C · Aliya Capital Partners, SIP Global Partners$154M—
May 6, 2021Series B · Viking Global Investors$80M—
Feb 25, 2019Series A-1 · GV$22M—
Feb 5, 2018Series A · Matrix Partners, Spark Capital$11M—

Team

Lightmatter | Venture Place