CSTL compared with DGX: revenue, margins and what each company keeps, and the suppliers and customers both name

CSTLCastle Biosciences Inc

Mkt capRevenueRevenue

DGXQuest Diagnostics Inc

Mkt capRevenueRevenue

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CSTLCastle Biosciences Inc

DGXQuest Diagnostics Inc

Price

Mkt cap

Revenue

Revenue flow Supply chain Price Co-movers Event sensitivity Earnings history

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Revenue flow

News Findings Companies A–Z Pricing Methodology Sources Corrections About Terms

Not investment advice. Not a broker-dealer. Indices shown as ETF proxies. Supply-chain data CC BY 4.0; market data not redistributable.

Listed on One’s Vibe · live-checked · Oct ’26

Desk News Calendar Saved

Revenue flow Supply chain Price Co-movers Event sensitivity Earnings history

Price

Supply-chain overlap

Revenue flow

CSTL: latest quarter is a loss; flow not drawable.Method ›

Price

rebased to 0%

CSTL, solidDGX, dashed

Supply-chain overlap

direct ties · both sidesSources ›

direct ties · both sides

Only CSTL 13

—Medicareunlistedcustomer

TMOThermoFisher Scientificsupplier

QGENQiagensupplier

—The Washington University in St. Louis, Missouri (WUSTL)unlistedsupplier

9 more · CSTL chain ›

Shared 0

No shared counterparties.

Only DGX 1

GRALGrailcustomer

Role chip = supplier or customer—= no ticker (unlisted)Source: SEC EDGAR

CSTLCastle Biosciences Inc

38.47▼−0.11%· post 37.13

Mkt cap$1.1BRevenue$104MQ2 FY26Revenue$344MFY25

DGXQuest Diagnostics Inc

251.71▼−0.48%· post 252.26

ClosedOct 30 '26

Mkt cap$27.7BRevenue$3.1BQ3 FY26Revenue$11.0BFY25

Compare

ClosedOct 30 '26

CSTLCastle Biosciences Inc

DGXQuest Diagnostics Inc

38.47▼−0.11%post 37.13

Price

251.71▼−0.48%post 252.26

$1.1B

Mkt cap

$27.7B

Q2 FY26$104M

Revenue

$3.1BQ3 FY26

FY25$344M

Revenue

$11.0BFY25

CSTL38.47▼−0.11%vsDGX251.71▼−0.48%ClosedOct 30 '26