---
title: "Ayar Labs revenue and valuation"
description: "Ayar Labs' revenue is estimated at $19M–$154M. Valued at $5B after raising $1.25B. Funding rounds and competitors."
url: https://www.tryspecter.com/revenue-valuation/ayar-labs.md
canonical_url: https://www.tryspecter.com/revenue-valuation/ayar-labs
publisher: Specter
last_updated: 2026-11-01
---

# Ayar Labs revenue and valuation

Specter estimates Ayar Labs' annual revenue at $19M to $154M and its valuation at $4.04B to $5.93B. The company was priced at $5B in September 2026.

Ayar Labs enables co-packaged optics for AI infrastructure.

- Estimated revenue: $19M to $154M (October 2026)
- Estimated valuation: $4.04B to $5.93B (October 2026)
- Total funding: $1.25B
- Founded: 2015
- Headquarters: San Jose, United States
- Employees: 265
- Sector: AI chips
- Specter Rank: #317,248

## Ayar Labs revenue

Specter's model puts current revenue between $19M and $154M.

| Month | Specter estimate | Low | High |
| --- | --- | --- | --- |
| October 2026 | $86M | $19M | $154M |
| September 2026 | $79M | $15M | $143M |
| August 2026 | $75M | $11M | $139M |
| July 2026 | $85M | $11M | $159M |
| June 2026 | $68M | $11M | $125M |
| May 2026 | $62M | $9.3M | $114M |
| April 2026 | $68M | $11M | $124M |
| March 2026 | $66M | $10M | $123M |
| February 2026 | $69M | $11M | $126M |
| January 2026 | $62M | $12M | $111M |
| December 2025 | $60M | $12M | $108M |
| November 2025 | $60M | $9.8M | $111M |
| October 2025 | $60M | $9.8M | $111M |
| September 2025 | $59M | $8.2M | $110M |
| August 2025 | $60M | $10M | $111M |
| July 2025 | $61M | $9.7M | $113M |
| June 2025 | $58M | $9.8M | $107M |
| May 2025 | $56M | $12M | $100M |
| April 2025 | $56M | $12M | $100M |
| March 2025 | $55M | $15M | $95M |
| February 2025 | $52M | $15M | $89M |
| January 2025 | $55M | $14M | $96M |
| December 2024 | $53M | $11M | $95M |
| November 2024 | $45M | $15M | $76M |
| October 2024 | $44M | $11M | $76M |
| September 2024 | $41M | $12M | $70M |
| August 2024 | $52M | $16M | $87M |
| July 2024 | $56M | $19M | $93M |
| June 2024 | $56M | $19M | $92M |

## Ayar Labs valuation

Ayar Labs' valuation rose from $60M at its Series A in November 2018 to $5B at its Series E in September 2026. Specter's live estimate sits between $4.04B and $5.93B.

| Month | Specter estimate | Low | High |
| --- | --- | --- | --- |
| October 2026 | $4.89B | $4.04B | $5.93B |
| September 2026 | $5B | $4.16B | $6.01B |
| August 2026 | $4.78B | $3.73B | $6.11B |
| July 2026 | $4.56B | $3.79B | $5.49B |
| June 2026 | $4.36B | $3.52B | $5.4B |
| May 2026 | $4.16B | $3.37B | $5.15B |
| April 2026 | $3.98B | $3.27B | $4.84B |
| March 2026 | $3.8B | $3.16B | $4.57B |
| February 2026 | $3.8B | $3.16B | $4.57B |
| January 2026 | $3.45B | $2.11B | $5.65B |
| December 2025 | $3.14B | $1.92B | $5.13B |
| November 2025 | $2.85B | $1.9B | $4.28B |
| October 2025 | $2.59B | $1.8B | $3.75B |
| September 2025 | $2.36B | $1.68B | $3.31B |
| August 2025 | $2.14B | $1.54B | $2.98B |
| July 2025 | $1.95B | $1.41B | $2.69B |
| June 2025 | $1.77B | $1.32B | $2.37B |
| May 2025 | $1.61B | $1.24B | $2.09B |
| April 2025 | $1.46B | $1.13B | $1.9B |
| March 2025 | $1.33B | $1.05B | $1.69B |
| February 2025 | $1.21B | $970M | $1.52B |
| January 2025 | $1.1B | $900M | $1.35B |
| December 2024 | $1B | $830M | $1.2B |
| November 2024 | $820M | $350M | $1.51B |
| October 2024 | $810M | $360M | $1.6B |
| September 2024 | $650M | $340M | $1.44B |
| August 2024 | $650M | $360M | $1.27B |
| July 2024 | $780M | $460M | $1.4B |
| June 2024 | $760M | $450M | $1.39B |

| Reported valuation | Month | Source |
| --- | --- | --- |
| $5B | September 2026 | Funding round |
| $3.8B | March 2026 | [wsj.com](https://www.wsj.com/tech/startup-making-ai-chips-more-power-efficient-raises-500-million-35edbfd1?gaa_at=eafs&gaa_n=AWEtsqe6lYGgY0WMTGO6h7DFywkyep-tmVUQZ-Cxowd8c05-Sewq-APhs8FR&gaa_ts=69a6456e&gaa_sig=mL01IsA5d79d56y6Gi0IAiXpUdmlpLTrm7jVfzoGYOk7NafyOpzq1THEuCevapXqKl8LLxFXXJTi00lOfXXFPA%3D%3D) |
| $3.8B | February 2026 | Funding round |
| $1B | December 2024 | Funding round |
| $170M | November 2020 | Funding round |
| $60M | November 2018 | Funding round |

## Ayar Labs funding rounds

| Date | Round | Raised | Post-money | Lead investors |
| --- | --- | --- | --- | --- |
| 10 Sep 2026 | Secondary | $225M | Undisclosed | Antero Peak Group |
| 10 Sep 2026 | Series E | $150M | $5B | Undisclosed |
| 28 Feb 2026 | Series E | $500M | $3.8B | Neuberger Berman |
| 11 Dec 2024 | Series D | $155M | $1B | Light Street Capital, Advent International |
| 24 May 2023 | Series C | $25M | Undisclosed | Capital TEN |
| 26 Apr 2022 | Series C | $130M | Undisclosed | Boardman Bay Capital Management |
| 5 Nov 2020 | Series B | $35M | $170M | BlueSky Capital, Downing Ventures |
| 2 Mar 2020 | Venture round | Undisclosed | Undisclosed | Lockheed Martin Ventures |
| 30 Apr 2019 | Debt financing | $3M | Undisclosed | Silicon Valley Bank |
| 30 Apr 2019 | Grant | Undisclosed | Undisclosed | DARPA |
| 8 Nov 2018 | Series A | $24M | $60M | Playground Global |
| 16 Aug 2016 | Seed | $2.5M | Undisclosed | Founders Fund |
| 24 Nov 2015 | Grant | $150K | Undisclosed | National Science Foundation |
| 1 Jan 2015 | Non-equity assistance | Undisclosed | Undisclosed | Undisclosed |

## Ayar Labs vs competitors

The AI optical interconnect market forces a choice between component-level hardware and integrated networking systems.

| Company | Estimated revenue | Estimated valuation |
| --- | --- | --- |
| Ayar Labs | $19M–$154M | $4.04B–$5.93B |
| Celestial AI (celestial.ai) | $4.3M–$34M | $410M–$4.79B |
| Xscape Photonics Inc (xscapephotonics.com) | $2M–$27M | $230M–$460M |
| Lumilens (lumilens.com) | $9.1M–$67M | $4.37B–$6.51B |
| Mixx Technologies Inc (mixxtech.io) | $2.6M–$15M | $200M–$340M |

## Questions

### What is Ayar Labs' revenue?

Specter estimates Ayar Labs' annual revenue at $19M to $154M as of October 2026.

### What is Ayar Labs' valuation?

Ayar Labs' latest post-money valuation is $5B, from a September 2026 Series E. Specter's live estimate is $4.04B to $5.93B.

### How much funding has Ayar Labs raised?

$1.25B across 14 rounds, from a non-equity assistance in January 2015 to a $225M Secondary in September 2026.

### Who invested in Ayar Labs?

54 investors, including Advent International, Antero Peak Group, Boardman Bay Capital Management, Capital TEN, Light Street Capital and Neuberger Berman.

### Who are Ayar Labs' competitors?

Celestial AI, Xscape Photonics Inc, Lumilens and Mixx Technologies Inc. Specter ranks 30 competitors for Ayar Labs.

## About this data

Specter models revenue and valuation monthly and anchors each estimate to reported figures and priced rounds. Method: https://www.tryspecter.com/revenue-valuation

Cite as: Specter. "Ayar Labs revenue and valuation." tryspecter.com/revenue-valuation/ayar-labs. Updated November 2026.