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  3. Ayar Labs

Ayar Labs

Ayar Labs makes optical interconnect technology, including optical engines and external light sources.

Latest funding

$150M Series B+ ·

Source: siliconangle.com

Total raised: $470M across 4 sourced rounds

All 5 rounds ↓
Website: ayarlabs.com.
X: @AyarLabs · 4,726 followers.
LinkedIn: ayar-labs.
Sectors: AI Infrastructure, Artificial Intelligence (AI), Computer, Hardware, Information Technology.
Stage: Series B+.
Based in: San Jose, United States.
Founded: 2015.
Total raised: $470M in 4 sourced rounds.
Last round: Sep 11, 2026 · 65 days ago.
Headcount: 51–100 employees.
On Recent Funding since: Sep 29, 2026.

Signals

X account@AyarLabs · created May 18, 2015 (11 years old) · 4,726 followers
Website registeredMay 18, 2015 (11 years old)
About Ayar Labs

Its products enable high-throughput, low-power data transfer within and between compute systems. The company supports AI hardware systems and high-performance computing infrastructure.

TIMELINE · MONEY RAISED

Ayar Labs | 1998 days from website to first raise on record

@AyarLabs·Raised $470M in 4 sourced rounds·2 signals before the first raise
$118M$235M$353M$470MJUNDECJUNDECJUNDECJUNDEC$470M||WEBSITE CREATED · MAY 18, 2015||X ACCOUNT CREATED @AYARLABS · MAY 18, 2015$35M Series B+ · Nov 5, 2020$35M B+ · NOV '20$130M Series B+ · Apr 26, 2022$130M B+ · APR '22$155M Series B+ · Dec 16, 2024$155M B+ · DEC '24Series B+ · Mar 4, 2026B+ · MAR '26$150M Series B+ · Sep 11, 2026$150M B+ · SEP '26

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

DateRoundAmountLeadSource
Series B+$150M—siliconangle.com
Series B+undisclosedNNeuberger Bermantelecompaper.com
Series B+$155MLLight Street Capitalmedium.com
Series B+$130MBBoardman Bay Capital Managementfinsmes.com
Series B+$35MDDowning Venturesfinsmes.com

Timeline

  1. Website created
  2. X account created

Founders and team

Investors

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Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/ayar-labs (get a free API key).

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