Company intelligence
As of August 6, 2026, Lumilens was last valued at $5.51B (August 2026 Series C) and has raised at least $700M in equity across 1 sourced funding round.
Lumilens, a roughly two-year-old provider of optical networking chips for AI clusters, raised $700M in a Series C round in August 2026 that valued it at $5.51B.
Lumilens makes optical networking chips and interconnects that replace copper links with light inside AI data centers.[1] The company was founded in 2024 and is headquartered in Belmont, California, according to Tech Times.[2] Its chips are built on a common platform called LumiCore and ship in pluggable transceivers, with a co-packaged optics series designed to sit directly on GPUs.[1] Lumilens says it is already shipping products under a multi-billion-dollar agreement with one of the four hyperscalers, which it declined to name.[3]
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Lumilens is an AI infra company, founded 2024 by Ankur Singla.
| Date | Round | Amount | Valuation | Lead investors | Source |
|---|---|---|---|---|---|
| Aug 6, 2026 | Series C | $700M | $5.51Bpost-money | WithQualcomm | SiliconANGLE |
Equity only. “Equity raised” above sums the rounds with a dated, linked source; rumored rounds, tender offers and secondary sales are listed but not counted, and debt financing is listed separately.
At that point Lumilens had raised about $138.8 million from investors including Mayfield and Spark Capital.[2] On August 6, 2026, Lumilens came out of stealth with a Series C of more than $700 million that valued it at $5.51 billion and brought total funding to more than $900 million, Reuters reported.[3],[1],[4]
Six deals in seven days — Lumilens, Hadrian, Terafab, Valar Atomics, Base Power and K2 Space — pushed more than $21 billion into reactors, factories, satellites and chips, not a single model release among them.
Lumilens emerged from stealth with $700M+ in new funding at a $5.51B valuation to build the optical links between AI chips, the same week Terafab, Taalas and Hadrian all bet on AI's physical layer.
Lumilens' $700M+ raise pushes this week's tally of AI physical-infrastructure funding -- reactors, batteries, fabs and now optical networking -- to roughly $19.5B across four distinct layers of the stack.
On August 6, 2026, Lumilens came out of stealth with a Series C of more than $700 million that valued it at $5.51 billion and brought total funding to more than $900 million, Reuters reported.[3],[1],[4]
At that point Lumilens had raised about $138.8 million from investors including Mayfield and Spark Capital.[2]
Atreides Management, Bain Capital Ventures, Meritech, Seligman Ventures and Spark Capital co-led the round, with Qualcomm Ventures and JPMorgan also investing.[4]
Founder and CEO Ankur Singla previously started Contrail Systems and Volterra, which were sold for a combined $676 million, SiliconANGLE reported.[1]
Lumilens was founded in 2024 and is headquartered in Belmont, California, according to Tech Times.[2]
Lumilens makes optical networking chips and interconnects that replace copper links with light inside AI data centers.[1]
Lumilens was founded in 2024, according to SiliconANGLE.
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.
