PVT - Private Company Price USD
Lightmatter (LIG.PVT)
84.48
Forge Price as of Aug 31, 2026.
Forge Price is a derived data point that reflects the up-to-date price performance of venture-backed, late-stage companies. Forge Price is calculated by Forge Data based on a proprietary model incorporating pricing inputs from publicly-available primary funding round information, secondary market transactions and indications of interest on Forge and other private market trading platforms. Forge Price is not a quotation, and does not indicate available supply or demand, is solely for informational purposes, and may rely on limited data.
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- Estimated Valuation 4.63B
- Latest Funding Date Oct 16, 2024
- Total Amount Raised 822.48M
- Latest Amount Raised 13.48M
- Total Funding Rounds 6
- Latest Share Class Series C-3
Lightmatter: Learn More
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Lightmatter is a photonic computing company that develops methods for computer chips to communicate and perform calculations using silicon photonics. Lightmatter claims that its proprietary technology enables its photonics chips to move data, increasing AI cluster bandwidth and performance while reducing power consumption.
2017-09-08
Founded
251
Full Time Employees
Hardware
Sector
AI Infrastructure, Artificial Intelligence (AI), Data Center, Machine Learning, Semiconductor, Software
Industry
Leadership and Board
Simona Jankowski
Chief Financial Officer
Nicholas Harris
Founder & CEO
Recent News
Performance Overview
Trailing returns as of 8/31/2026. Benchmark is Forge Private Market Index (^FPMI) .
3M Return
LIG.PVT
5.08%
Forge Private Market Index (^FPMI)
15.48%
YTD Return
LIG.PVT
48.78%
Forge Private Market Index (^FPMI)
49.75%
1-Year Return
LIG.PVT
48.21%
Forge Private Market Index (^FPMI)
87.26%
2-Year Return
LIG.PVT
267.30%
Forge Private Market Index (^FPMI)
199.88%
Valuation Information
Funding Rounds
Forge Data collects the preferred stock details for companies from the Certificates of Incorporation and related documents filed with relevant state's agencies. These documents authorize the various equity types available for companies to sell in primary funding rounds.
Funding Rounds
Forge Data collects the preferred stock details for companies from the Certificates of Incorporation and related documents filed with relevant state's agencies. These documents authorize the various equity types available for companies to sell in primary funding rounds.
Post-Money Valuation
Feb
2019
Sep
2020
Apr
2022
Nov
2023
0
1B
2B
3B
4B
Funding Date | Share Class | Amount Raised | Issue Price | Post-Money Valuation |
|---|---|---|---|---|
| 2024-10-16 | Series C-3 | 13.48M | 26.0018 | 4.4B |
| 2024-10-16 | Series D | 359.55M | 80.2305 | 4.4B |
| 2024-10-16 | Series D-1 | 26.97M | 80.2305 | 4.4B |
| 2023-12-19 | Series C-2 | 155M | 26.0018 | 1.2B |
| 2023-05-31 | Series C-1 | 153.28M | 16.4568 | 637.5M |
| 2021-05-06 | Series B-1 | 5.06M | 7.0197 | 251.03M |
| 2021-05-06 | Series B-2 | 75.75M | 8.7746 | 251.03M |
| 2019-02-25 | Series A-1 | 22.29M | 5.8983 | 92.15M |
| 2018-02-05 | Series A | 11.1M | 2.753 | 31.71M |
Mutual Fund Marks
Forge Data pulls marks of private company holdings from SEC-registered funds' public reports. Mutual fund marks represent the per-share fair market value of the subject company disclosed in public filings as determined by the reporting fund.
Mutual Fund Marks
Forge Data pulls marks of private company holdings from SEC-registered funds' public reports. Mutual fund marks represent the per-share fair market value of the subject company disclosed in public filings as determined by the reporting fund.
Reported Date | Fund Name | Fund Ticker | Share Class | Price | Source |
|---|---|---|---|---|---|
| 2026-06-30 | Variable Insurance Products Fund IV | -- | Series D | 81.64 | |
| 2026-04-30 | Fidelity Advisor Series VII | -- | Series D | 79.53 | |
| 2026-03-31 | Variable Insurance Products Fund IV | -- | Series C-1 | 54.55 | |
| 2026-02-28 | Fidelity Select Portfolios | -- | Series C-2 | 56.03 | |
| 2025-12-31 | Variable Insurance Products Fund IV | -- | Series C-1 | 49 | |
| 2025-11-30 | Fidelity Select Portfolios | -- | Series C-2 | 48.84 |