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- Fab2
Fab2 Valuation, Funding & Investors
Fab2 is valued at $3.7B as of September 2026.
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
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
Website
Status
Privately held
Customer focus
B2B
Revenue model
Product sales
Valuation
$3.7B (Sep 2026)
Sectors
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
| Date | Stage | Valuation |
|---|---|---|
| Sep 2026 | Series A | $3.7B |
Fab2 Funding History
Fab2 has raised a total of $500M across 1 funding round.
Fab2 funding rounds
| Date | Stage | Investors | Raised | Valuation | Deal Summary |
|---|---|---|---|---|---|
| Sep 2026 | Series A | Fundomo (lead); Protagonist; Corner; StepStone Group; Naval Ravikant; Duquesne Family Office; Maverick Silicon; Paradigm; UDC Ventures | $500M | $3.7B | Fab2, 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
| Investor | HQ | Rounds | Role | First check |
|---|---|---|---|---|
| 1 | Participant | Sep 2026 | ||
| 1 | Participant | Sep 2026 | ||
| 1 | Participant | Sep 2026 | ||
| 1 | Participant | Sep 2026 | ||
| 1 | Participant | Sep 2026 | ||
| 1 | Participant | Sep 2026 | ||
| 1 | Lead | Sep 2026 | ||
This data is available for Pro users. Sign up to see all 9 Fab2 investors. Start Free Trial | ||||
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Start Free TrialFab2 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).
| Company | HQ | Status | Revenue | EBITDA | Valuation | Revenue Multiple |
|---|---|---|---|---|---|---|
| Publicly listed | $239M | $69M | $3.7B | 8.0x | ||
| Private | $116M | - | $3.6B | - | ||
| Publicly listed | $664M | ($14M) | $3.8B | 4.9x | ||
| Publicly listed | $108M | ($33M) | $3.6B | - | ||
| Publicly listed | $668M | $56M | $3.6B | 4.1x | ||
| Private | - | - | $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 FY | EV/Revenue | EV/EBITDA | ||||||
|---|---|---|---|---|---|---|---|---|
| Revenue | EBITDA | Last FY | LTM | 2027E | Last FY | LTM | 2027E | |
| $239M | $69M | 14.6x | 8.0x | 50.5x | 28.7x | |||
| $664M | ($14M) | 5.8x | 4.9x | (283.1x) | 18.2x | |||
| $108M | ($33M) | 30.0x | - | (97.0x) | - | |||
| $668M | $56M | 5.2x | 4.1x | 61.4x | 29.4x | |||
| $291M | $66M | 12.0x | 12.4x | 52.7x | - | |||
| $3.1B | $276M | 1.1x | 0.9x | 11.9x | 7.0x | |||
| $539M | $164M | 7.6x | 5.7x | 24.8x | 18.0x | |||
| $1.5B | $202M | 2.4x | 1.9x | 17.5x | - | |||
This data is available for Pro users. Sign up to see all Fab2 competitors and their valuation data. Start Free Trial | ||||||||
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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