Portfolio Company · Operating Co.

Stealth

Materials

backed byPillar VC and UpWest

CurrentMaterials

Stealth

a portfolio company of

Pillar VC

Status on record: Current

Investment year: 2026

PE Firm Index

Stealth

a portfolio company of

UpWest

Status on record: Current

Investment year: 2026

PE Firm Index

Who owns Stealth?

Stealth is listed on the portfolio pages of Pillar VC (portfolio page) and UpWest (portfolio page). Pillar VC and UpWest list it as current. Pillar VC has owned Stealth since 2026, per Pillar VC's portfolio page. UpWest has owned Stealth since 2026, per UpWest's portfolio page.

Company Snapshot

Stealth is a Materials company. Its owner on record, Pillar VC, is a firm. Pillar VC lists at least 78 companies in the index, 7 of them in Materials. Also backed by UpWest.

SectorMaterials

Backed byPillar VC and UpWest

Ownership statusCurrent

WebsiteNot on record

About the owner

Pillar VC

Companies in the index: At least 78

Early-stage venture capital firm based in Boston.

Read the Pillar VC profile

UpWest

Companies in the index: 70

Seed-stage venture capital firm.

Read the UpWest profile

Questions about Stealth

Who owns Stealth?

What sector is Stealth in?

Stealth is in Materials. Classified from the owner's portfolio label.

What else does Pillar VC own in Materials?

Pillar VC lists 6 other Materials companies in the index, including Desktop Metal, Fluent Metal, Galy, Kula Bio and Quadratic 3D.

Sources

Pillar VC
https://www.pillar.vc/companies/
UpWest
https://upwest.vc/portfolio

This profile is based on publicly available information and may be incomplete or outdated. PE Firm Index is not affiliated with Stealth and does not provide investment advice.

Other portfolio companies of Pillar VC

6 of 77 shown

Abridge

Advanced Computing, Healthcare

AceLab

Enterprise Intelligence

Decentralized Systems

Amber Bio

Medicines, Synthetic Biology

See the full Pillar VC portfolio.

Other portfolio companies of UpWest

6 of 69 shown

See the full UpWest portfolio.

Other Materials companies held by Pillar VC

Desktop Metal

Fluent Metal

Galy

Kula Bio Quadratic 3D Topologic

Other Materials companies held by UpWest

airoboticsdrones

InnerPlant

Other Materials portfolio companies

via Marlin Equity Partners

AbelCine

via NewSpring Capital

Abracon

via The Riverside Company

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Ownership

Backed by

Pillar VC

Status: Current

Investment year: 2026

Backed by

UpWest

Status: Current

Investment year: 2026

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