Fab2 Valuation, Funding & Investors

Fab2 is valued at $3.7B as of September 2026.

See full Fab2 profile

Last Fab2 valuation

$3.7B

Series A · Sep 2026

Last Fab2 funding round

$500M

Series A · Sep 2026

Cumulative funding Fab2 raised

$500M

across 1 funding round

Key investors in Fab2

  • Naval Ravikant
  • StepStone Group
  • Paradigm
  • Maverick Silicon
  • Protagonist
  • Duquesne Family Office

Fab2 Overview

About Fab2

Fab2 is a semiconductor technology firm that designs and constructs chip fabrication plants along with related equipment, components, and software using internal capabilities.


Founded

2022

HQ

United StatesNew York, NY

Website

fab2.com

Status

Privately held

Customer focus

B2B

Revenue model

Product sales

Valuation

$3.7B (Sep 2026)

Fab2 Valuation

Fab2 is currently valued at $3.7B, based on its Series A in September 2026. Read the announcement ↗

The $500M round was led by Fundomo, with participation from Protagonist, Corner, StepStone Group, Naval Ravikant, Duquesne Family Office and 3 other investors.

Fab2 valuation by funding round

Fab2 valuation by funding round
DateStageValuation
Sep 2026Series A$3.7B

Fab2 Funding History

Fab2 has raised a total of $500M across 1 funding round.

Fab2 funding rounds

Fab2 funding rounds
DateStageInvestorsRaisedValuationDeal Summary
Sep 2026Series AFundomo (lead); Protagonist; Corner; StepStone Group; Naval Ravikant; Duquesne Family Office; Maverick Silicon; Paradigm; UDC Ventures$500M$3.7BFab2, the Austin-based semiconductor manufacturing startup formerly known as Atomic Semi, raised a $500 million Series A at a $3.7 billion valuation in September 2026. The round was led by Fundomo, with participation from Corner Capital, Protagonist, Naval Ravikant, Paradigm, Duquesne Family Office, Maverick Silicon, StepStone Group and UDC Ventures. The company recently renamed itself from Atomic Semi to Fab2. It is building modular, compact chipmaking facilities intended to bring semiconductor fabrication closer to demand and to shorten the time and cost of building a fab. The raise followed earlier funding of roughly $15 million under the Atomic Semi name, bringing total capital raised to about $515 million. Financial terms beyond the round size and valuation were not disclosed.

Who has invested in Fab2?

9 investors have backed Fab2 across its funding rounds, including Naval Ravikant, StepStone Group, Paradigm, Maverick Silicon, Protagonist and Duquesne Family Office.

Lead investors include Fundomo.


Fab2 Investors

Investors in Fab2 by funding rounds participated
InvestorHQRoundsRoleFirst check
ProtagonistUnited StatesMiami, FL1ParticipantSep 2026
CornerUnited StatesNew York City, NY1ParticipantSep 2026
StepStone GroupUnited StatesNew York City, NY1ParticipantSep 2026
Naval RavikantUnited StatesSan Francisco, CA1ParticipantSep 2026
Duquesne Family OfficeUnited StatesPittsburgh, PA1ParticipantSep 2026
Maverick SiliconUnited StatesSan Francisco, CA1ParticipantSep 2026
FundomoUnited StatesSan Francisco, CA1LeadSep 2026

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Fab2 Competitors

Fab2 competitors include listed companies like WinWay Technology, Soitec, Jingjia Microelectronics and Nordic Semiconductor, and private ones like SiFive and Coherent (Silicon Carbide unit).

Public and private companies comparable to Fab2
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
WinWay TechnologyTaiwanTaiwanPublicly listed$239M$69M$3.7B8.0x
SiFiveUnited StatesSan Francisco, CAPrivate$116M-$3.6B-
SoitecFranceFrancePublicly listed$664M($14M)$3.8B4.9x
Jingjia MicroelectronicsChinaChinaPublicly listed$108M($33M)$3.6B-
Nordic SemiconductorNorwayNorwayPublicly listed$668M$56M$3.6B4.1x
Coherent (Silicon Carbide unit)United StatesSan Jose, CAPrivate--$4B-

Fab2 Public Comps

Fab2 is still privately-owned, but its public comps include WinWay Technology, Soitec, Jingjia Microelectronics, Nordic Semiconductor, Shanghai Sinyang, Vishay, Hangzhou Lion, Diodes, Aixtron and Everbright Photonics.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
WinWay Technology$239M$69M14.6x8.0x50.5x28.7x
Soitec$664M($14M)5.8x4.9x(283.1x)18.2x
Jingjia Microelectronics$108M($33M)30.0x-(97.0x)-
Nordic Semiconductor$668M$56M5.2x4.1x61.4x29.4x
Shanghai Sinyang$291M$66M12.0x12.4x52.7x-
Vishay$3.1B$276M1.1x0.9x11.9x7.0x
Hangzhou Lion$539M$164M7.6x5.7x24.8x18.0x
Diodes$1.5B$202M2.4x1.9x17.5x-

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Common questions about Fab2

When was Fab2 founded?Fab2 was founded in 2022.
Where is Fab2 headquartered?Fab2 is headquartered in New York, NY, United States.
Is Fab2 publicly listed?No, Fab2 is a private, VC-backed company.
What is Fab2's valuation?Fab2 was last valued at $3.7B in its Series A in September 2026.
How much funding has Fab2 raised?Fab2 has raised $500M across 1 funding round.
What was Fab2's last funding round?Fab2's last funding round was a $500M Series A in September 2026, led by Fundomo.
Who are Fab2's investors?Fab2's investors include Protagonist, Corner, StepStone Group, Naval Ravikant, Duquesne Family Office, Maverick Silicon, Fundomo, Paradigm and UDC Ventures.
Which companies are comparable to Fab2?Companies comparable to Fab2 include WinWay Technology, SiFive, Soitec, Jingjia Microelectronics, Nordic Semiconductor and Coherent (Silicon Carbide unit).

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