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Quintessent Inc.

Quintessent Inc.

Private
Santa Barbara, CaliforniaAI, Data & Cloud Infrastructurehttps://www.quintessent.com/

Last Round

Series A

Aug 24, 2026

Total Funding Raised

$54.23M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Quintessent Inc. is a semiconductor company that develops optical connectivity solutions to scale computing and artificial intelligence by integrating quantum dot lasers with silicon photonic integrated circuits.

Sector

AI, Data & Cloud Infrastructure

Verticals

Semiconductors, Computing Hardware, Cloud Infrastructure, AI Training Infrastructure

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Infrastructure

Keywords

silicon photonicsoptical interconnectsPICphotonic integrated circuitsquantum dot lasersCPOco-packaged opticsoptical I/Owavelength division multiplexingWDMdata center infrastructurefabless semiconductorAI hardwareoptical networkingbandwidth wall

Historical Pricing

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Caplight Momentum Score

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Quintessent Inc. Comparables

Compare Quintessent Inc. with similar companies based on industry and business-model similarity.

Quintessent Inc. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Xscape Photonics
90%
Scintil Photonics
89%
OpenLight
87%

Quintessent Inc. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AAug 24, 2026
SeedMar 14, 2024
GrantDec 1, 2021
GrantAug 13, 2021
GrantMay 1, 2020
Seed
Aug 22, 2019

Key People

Founding team and executive leadership

Alan Liu

CEO Co-Founder

Founding Team

Quintessent Inc. Investors

Notable investors and investment history

Quintessent Inc. investors
InvestorRounds
InterVestSeries A
Sierra VenturesSeries A, Seed
M VenturesSeries A, Seed
Foothill VenturesSeries A, Seed
Osage University PartnersSeries A, Seed
Entrada VenturesSeed
Susquehanna International GroupSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 24, 2026

    $40M round led by Cycle Capital.

  • Aug 23, 2026

    Grew 18% QoQ, from 22 to 26 employees.

Recent news

Latest coverage and updates

  • is_developingAug 25, 2026

    Quintessent is developing comb laser on Jan 1st '26.

  • integrates_withAug 25, 2026

    Quintessent integrates with Tower Semiconductor Ltd..

  • is_developingAug 25, 2026

    Quintessent is developing semiconductor optical amplifiers on Aug 25th '26.

  • launchesAug 24, 2026

    Quintessent launched AI datacenter laser chip on Aug 24th '26.

  • launchesAug 24, 2026

    Quintessent launched comb laser technology at OFC 2026 on Jan 1st '26.

Quintessent Inc. Filings

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Quintessent Inc. filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Quintessent Inc.'s valuation, stock price, and market status.

Is Quintessent Inc. a public or private company?

Quintessent Inc. is a private company.

What is the current stock price of Quintessent Inc.?

Quintessent Inc. is a private company with no public stock price. No recent secondary market data is available.

How much is Quintessent Inc. worth (valuation)?

Valuation information for Quintessent Inc. is not publicly available.

Can I buy Quintessent Inc. stock?

Quintessent Inc. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Quintessent Inc.'s last funding round?

Quintessent Inc.'s most recent funding round was Seed on March 14, 2024.

Who are the main investors in Quintessent Inc.?

Key investors in Quintessent Inc. include Osage University Partners, Entrada Ventures.

Will Quintessent Inc. IPO soon?

No public IPO plans have been announced for Quintessent Inc..

How can I track Quintessent Inc. secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Quintessent Inc.'s secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSanta Barbara, California
Employee Range26
Year Founded2019
Last FundingAug 24, 2026

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