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Lightmatter

Mountain View, CA · Founded 2017 · Semiconductors · Private

Photonic AI computing processors that use light instead of electricity for neural network computation

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Updated · lightmatter.co

Sector
Semiconductors
Headquarters
Mountain View, CA
Founded
2017
Latest Form D
$350M, Oct 2024
Total capital
$527M
Federal grants
None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised
$527M
3 Form D · last Oct 2024
24 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
11
29 pending · first 2025
Rank in peer group#14 of 224

Capital timeline

201920202021202220232024FEDERAL ↑EQUITY ↓Cumulative $527M1st Form D$22.2M2nd Form D$155M
201920202021202220232024FEDERAL ↑EQUITY ↓Cumulative $527M1st Form D$22.2M2nd Form D$155M

Latest events

  • Private capital raisedForm D · SEC · 3rd filing$350M
  • Private capital raisedForm D · SEC · 2nd filing$155M
  • Private capital raisedForm D · SEC · 1st filing$22.2M

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 224 peers

Line = median

Semiconductors · Device

  • Granted patents#14 · top 6%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

From SEC Form D filings
  • Colin C. SturtExecutive OfficerNamed in SEC Form D filings
  • Darius C. BunandarExecutive Officer, DirectorNamed in SEC Form D filings
  • Erik C. NordlanderDirectorNamed in SEC Form D filings
  • Jeffrey C. SmithDirectorNamed in SEC Form D filings
  • Kushagra C. VaidDirectorNamed in SEC Form D filings
  • Nicholas C. HarrisExecutive Officer, DirectorNamed in SEC Form D filings
Show all 13 people
  • Olivia C. NottebohmDirectorNamed in SEC Form D filings
  • Richard C. BeyerDirectorNamed in SEC Form D filings
  • Robin C. WashingtonDirectorNamed in SEC Form D filings
  • Santo C. PolitiDirectorNamed in SEC Form D filings
  • Simona C. JankowskiExecutive OfficerNamed in SEC Form D filings
  • Stan C. ReissDirectorNamed in SEC Form D filings
  • Thomas C. GrahamExecutive OfficerNamed in SEC Form D filings

What it has protected

USPTO · 11 granted of 40
Show all 40 patent records
  • Techniques Of Performing Operations Using A Hybrid Analog-digital ProcessorOct 20, 2026 · US 12,769,959Granted
  • Optical Fiber Array With Optical PassthroughOct 6, 2026 · US 12,754,384Granted
  • Optical Flow Switching Using Photonic Integrated CircuitsSep 29, 2026 · US 12,748,263Granted
  • Optical Fiber Shuffle CircuitSep 22, 2026 · US 12,742,934Granted
  • Optically Interconnected Network Interface Controller (nic)Sep 10, 2026 · Application 19555182Pending
  • Switched Spatial Tensor Data Manipulation With PhotonicsAug 25, 2026 · US 12,717,872Granted
  • Offset Optical Coupler Configurations For High Density Fiber CouplingAug 13, 2026 · Application 19531997Pending
  • Magnetically Attachable Fiber CouplerAug 13, 2026 · Application 19531395Pending
  • Optical Couplers For Partial Interposer Package ArchitecturesAug 13, 2026 · Application 19532642Pending
  • Photonic Device With Pluggable Optical CouplerAug 6, 2026 · Application 19529021Pending
  • Photonic Communication Platform And Related Architectures, Systems And MethodsJul 9, 2026 · Application 19265015Pending
  • Dual Heater Coupled Ring ResonatorsJul 9, 2026 · Application 19442544Pending
  • Photonic Integrated Circuit With A Pluggable Fiber CouplerJul 2, 2026 · Application 19431155Pending
  • Photonic Programmable Interconnect ConfigurationsJun 30, 2026 · US 12,671,504Granted
  • Photonic Communication PlatformJun 30, 2026 · US 12,669,647Granted
  • Laser System With Active Wavelength ControlJun 30, 2026 · US 12,671,225Granted
  • Side Optical Couplers For Advanced Package ArchitecturesJun 25, 2026 · Application 19425470Pending
  • Top-side Optical Couplers For Advanced Package ArchitecturesJun 25, 2026 · Application 19425834Pending
  • Photonic Fanout InterposerJun 11, 2026 · Application 19412235Pending
  • Systems And Methods For Optical Communication With Polarization DiversityJun 11, 2026 · Application 19413599Pending
  • Devices And Methods For Optical Interconnects Using Polarization MultiplexingJun 11, 2026 · Application 19413511Pending
  • Hybrid-bonded Face-to-back Photonic ArchitectureJun 11, 2026 · Application 19413172Pending
  • Dynamic Alignment Of Optical Fibers With A Photonic Integrated CircuitJun 11, 2026 · Application 19413216Pending
  • Led-based Photonic Communication And Processing UnitJun 9, 2026 · US 12,653,069Granted
  • Optical Couplers For Photonic Integrated CircuitsMay 28, 2026 · Application 19400498Pending
  • Glass Substrates For Photonic Integrated CircuitsMay 28, 2026 · Application 19400902Pending
  • Techniques To Prevent Underfill Interference In Photonic Fiber CouplersMay 14, 2026 · Application 19386524Pending
  • Methods And Techniques For Optical Circuit SwitchingApr 23, 2026 · Application 19362256Pending
  • Methods And Techniques For Optical Circuit SwitchingApr 23, 2026 · Application 19362214Pending
  • Methods And Techniques For Optical Circuit SwitchingApr 23, 2026 · Application 19362267Pending
  • Laser System With Integrated Wavelength ControlApr 2, 2026 · Application 19340302Pending
  • Multi-reticle Device With Electrical And Optical StitchingMar 12, 2026 · Application 19323149Pending
  • The Accuracy Of Low-bitwidth Neural Networks By Regularizing The Higher-order Moments Of Weights And Hidden StatesFeb 24, 2026 · US 12,561,562Granted
  • Reconstituted Wafer-scale Devices Using Semiconductor StripsJan 22, 2026 · Application 19275805Pending
  • Multiwavelength Optical SwitchingJan 1, 2026 · Application 19255025Pending
  • Wavelength Division Multiplexing (wdm)-based Optical SwitchesDec 18, 2025 · Application 19240079Pending
  • Photonic Communication Platform And Related CircuitsNov 20, 2025 · Application 19279943Pending
  • Photonic Communication Platform And Related CircuitsNov 20, 2025 · Application 19279931Pending
  • Photonic Communication Platform And Related CircuitsNov 11, 2025 · US 12,470,304Granted
  • Pluggable Fiber-to-chip Coupling For Wafer Scale Co-packaged OpticsNov 6, 2025 · Application 19196232Pending

Related companies, and why

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .