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How to buy Lightmatter stock?
To invest in a private company like Lightmatter through Forge, you must first qualify as an accredited investor. Create your account. Verify your identity and accreditation status to access Forge’s real-time marketplace.
Explore opportunities. Browse companies with active bids and asks, plus data-driven pricing insights like historical trades and Forge Price™.
Submit or negotiate a bid. Place a bid or engage with existing asks—self-directed and fully transparent.
Complete your trade. Forge handles paperwork and approvals, with settlement typically in 45-60 days.
Yes, as a shareholder, you may be able to sell your Lightmatter shares through Forge’s private market platform—subject to company policies and market interest.
Submit a sell order (ask) by specifying your desired price, quantity and share class.
Forge will work to match your order with interested buyers in the marketplace.
If a match occurs, Forge coordinates the necessary company approvals and compliance checks, including any transfer restrictions or right of first refusal (ROFR) processes Lightmatter may have in place.
Please note that the ability to complete a transaction depends on Lightmatter’s secondary trading policies, available demand and transaction approvals. While liquidity is not guaranteed, listing your shares on Forge allows you to signal interest and potentially connect with qualified buyers.
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Use proprietary pricing insights and market data to assess timing and valuation
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To learn more about Lightmatter stock
Is Lightmatter a public company?
No, Lightmatter is a privately held company and is currently not publicly traded on any stock markets including NYSE or NASDAQ.
What is Lightmatter’s stock price?
Lightmatter is a private company, meaning it does not have a publicly traded stock price. However, as of 06/16/2026 the Lightmatter Forge Price is $82.32 per share. The Forge Price is a derived price calculated for private companies like Lightmatter to provide insights into their current valuation. Learn more about Forge Price.
What is Lightmatter’s stock ticker symbol?
Lightmatter does not have an official ticker symbol because this company is not currently publicly traded.
Can institutional investors buy and sell private market stocks?
Yes. As one of the largest trading platforms for the private market, Forge helps institutional investors seek liquidity as they buy and sell private stock for their portfolios or their clients. Our private market specialists have decades of experience working with institutional firms. Learn more or register today to get started.
Lightmatter funding rounds and valuation
Total funding $822.48MM
Funding history chart
Funding round and deals details
Funding Date
Round
Amount Raised
Price Per Share
Post-Money Valuation 3
Key Investors
10/16/2024
Series D
$359.55MM
$80.23
$4.4B
Fidelity, Gv, T. Rowe Price
Price Per Share
$80.23
Shares Outstanding
4,481,470
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Fidelity, Gv, T. Rowe Price
10/16/2024
Series D-1
$26.97MM
$80.23
$4.4B
Fidelity, Gv, T. Rowe Price
Price Per Share
$80.23
Shares Outstanding
336,110
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Fidelity, Gv, T. Rowe Price
10/16/2024
Series C-3
$13.48MM
$26.00
$4.4B
Fidelity, Gv, T. Rowe Price
Price Per Share
$26.00
Shares Outstanding
518,548
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Fidelity, Gv, T. Rowe Price
12/19/2023
Series C-2
$155MM
$26.00
$1.2B
Gv, Viking Global Investors
Price Per Share
$26.00
Shares Outstanding
5,961,129
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Gv, Viking Global Investors
05/31/2023
Series C-1
$153.28MM
$16.46
$637.5MM
Fidelity, Gv, Hpe Pathfinder, Sip Global Partners, Viking Global Investors
Price Per Share
$16.46
Shares Outstanding
9,314,246
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Fidelity, Gv, Hpe Pathfinder, Sip Global Partners, Viking Global Investors
05/06/2021
Series B-2
$75.75MM
$8.77
$251.03MM
Gv, Hp Enterprise, Lockheed Martin, Matrix Partners, Sip Global Partners, Spark Capital, Viking Global Investors
Price Per Share
$8.77
Shares Outstanding
8,632,872
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Gv, Hp Enterprise, Lockheed Martin, Matrix Partners, Sip Global Partners, Spark Capital, Viking Global Investors
05/06/2021
Series B-1
$5.06MM
$7.02
$251.03MM
Gv, Hp Enterprise, Lockheed Martin, Matrix Partners, Sip Global Partners, Spark Capital, Viking Global Investors
Price Per Share
$7.02
Shares Outstanding
720,596
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Gv, Hp Enterprise, Lockheed Martin, Matrix Partners, Sip Global Partners, Spark Capital, Viking Global Investors
02/25/2019
Series A-1
$22.29MM
$5.90
$92.15MM
Gv, Viking Global Investors
Price Per Share
$5.90
Shares Outstanding
3,779,517
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Gv, Viking Global Investors
02/05/2018
Series A
$11.1MM
$2.75
$31.71MM
Matrix Partners, Spark Capital
Price Per Share
$2.75
Shares Outstanding
4,031,966
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Matrix Partners, Spark Capital
Company details
Lightmatter is a technology company which offers photonic computing solutions to data centers and enterprises. Their platform uses light-based processors designed to accelerate artificial intelligence and machine learning workloads. By developing photonic technology for computing applications, Lightmatter aims to increase processing speed and energy efficiency compared to traditional electronic systems. This company was founded by Nicholas Harris Ph.D, Darius Bunandar Ph.D, and Thomas Graham in 2017 and is headquartered in Mountain View, CA.
Artificial intelligence has become one of the most powerful investment themes in private markets, but the story extends far beyond the popular consumer-facing applications of the day. Behind every AI breakthrough sits a rapidly expanding infrastructure stack encompassing compute, networking and storage architectures designed to support increasingly demanding workloads.
Five firms from various industries — Form Energy, Physical Intelligence, Lightmatter, Beta Technologies and Writer — ranked among the highest in fundraising for the fourth quarter of 2024.
TAIPEI, Taiwan — June 3, 2026 — Lightmatter said it has joined the NVIDIA NVLink Fusion ecosystem to accelerate high-performance optical connectivity for AI infrastructure.
April 27, 2026: Lightmatter announced the appointment of Roy Kim as Vice President of Product; Kim brings more than 15 years of AI infrastructure product leadership from Google, AMD, and NVIDIA.
MOUNTAIN VIEW, Calif. & HSINCHU, Taiwan, January 27, 2026--Lightmatter®, the leader in photonic interconnect solutions for AI, and Global Unichip Corp.
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