Ayar Labs Stock Price, Valuation & IPO
Private company — Ayar Labs is privately held. Its shares are not listed on any public exchange and can only be accessed through private secondary transactions.
Status source: AXEVIL investment team
$89.71 per share (AXEVIL consensus estimate)
Source: AXEVIL consensus of recent secondary transactions · as of 27 October 2026
Last round valuation: $3.8B
Source: E, March 2026, post-money
Total raised: $1B+
Data last updated: 27 October 2026
About Ayar Labs
Develops in-package optical I/O: the TeraPHY optical engine and SuperNova light source replace copper interconnects with light, removing bandwidth and power constraints in AI training and inference infrastructure.
Ayar Labs is a developer of silicon photonics for communication between AI processors, founded in 2015 based on research from MIT and Berkeley, headquartered in San Jose. TeraPHY optical chiplets are placed in the same package as the accelerator and transmit data with light instead of copper, which allows for assembling racks with thousands of accelerators with lower energy consumption. Wiwynn, Alchip, and GUC integrate the company's optics into their platforms, while NVIDIA, AMD, Intel, and MediaTek joined the capital. In October 2026, Ayar Labs first demonstrated a working AI system with integrated optics. In September 2026, Series E was expanded by $150 million to $650 million, with over $1 billion raised in total.
- Sector: Semiconductors
- Headquarters: San Jose, California, USA
- Founded: 2015
Key highlights
- Wiwynn invested in a partner. Taiwanese server assembler in March 2026 introduced with Ayar Labs a rack architecture for 1 024 accelerators, and in May expanded the project at Computex. In 2026, Wiwynn invested in the company, and in October demonstrated the system in operation.
- Alchip and GUC bring TeraPHY to the clouds. Through these design centers, cloud companies order their own AI chips. With TeraPHY on a single substrate, such a chip gets over 100 Tbps of optical connectivity and over 256 optical ports.
- NVIDIA opened its stands. Starting June 2026, Ayar Labs products are compatible with NVIDIA optics and interfaces. Cloud providers can place their chips with Ayar Labs optics into NVIDIA racks, and NVIDIA itself has participated in three funding rounds of the company.
Funding rounds
| Date | Round | Price / share | Post-money valuation |
|---|---|---|---|
| 3 March 2026 | E | $52.24 | $3.8B |
| 15 January 2025 | D-1 | $33.61 | $1.5B |
| 11 December 2024 | D | $24.47 | $1.2B |
| 24 May 2023 | C-1 | $14.50 | $818M |
| 23 April 2022 | C | $13.81 | $464M |
| 5 November 2020 | B-1 | $7.20 | $167M |
| 7 November 2018 | A-1 | $3.84 | $61M |
| 16 August 2016 | Seed-1 | $1.51 | $11M |
Frequently asked questions
How can I buy Ayar Labs stock before the IPO?
Not on a public exchange — Ayar Labs is privately held. Shares change hands only in private secondary transactions. AXEVIL structures those as dedicated US special purpose vehicles for accredited investors, subject to availability and to the rules of your jurisdiction.
What is the Ayar Labs stock price?
A private company has no single official share price. AXEVIL's consensus estimate is $89.71 per share as of 27 October 2026. Its most recent round implied a post-money valuation of $3.8B (March 2026).
What is Ayar Labs's valuation (net worth)?
Ayar Labs's most recent funding round valued the company at $3.8B post-money (March 2026) — the latest primary-market measure of what the company is worth. Secondary trades can price its shares above or below that round.
When will Ayar Labs IPO?
No listing has been announced. AXEVIL does not forecast IPO dates — this page states what has actually been filed or reported, with the date it was last checked.
Is Ayar Labs publicly traded?
No. Ayar Labs is a private company and its shares are not listed on any public exchange.
Does Ayar Labs have a stock symbol?
No. Ayar Labs has no ticker symbol because its shares are not listed on any exchange; a symbol is assigned only at an IPO or direct listing.
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Risk disclosure
Nothing on this page is an offer to sell or a solicitation to buy any security, and it is not investment advice. Valuations and share prices shown here are AXEVIL estimates built from primary sources — filings, announced rounds and completed secondary transactions — not quoted market prices, and they can be revised. Private-company shares are illiquid, may be impossible to sell, and the entire amount invested can be lost. Availability depends on your jurisdiction and on accredited-investor status.