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Companies/Castle Biosciences, Inc.
Company profile

Castle Biosciences, Inc.

NASDAQ: CSTL · Healthcare · Medical - Diagnostics & Research
PublicHQ Friendswood, TX · GalvestonCIK 0001447362Reports USD
#235 of 1,394 Healthcare companies by revenue46th-percentile growth
EA Score
70B
FH 72DQ 70GM 66SS 66
v0.1 · 65/100 weight · provisional
↑ filing timeliness, Altman-Z · ↓ listing tenure, revenue growth (YoY)
Methodology →
Revenue TTM
$339.9M
Rev growth YoY (TTM)
-2.1%
Net income (FY)
-$24.2M
Employees
784
Market cap
$731.3M
OverviewFinancialsSegmentsFilingsESGPeople & Places

Financials — latest annual

SEC EDGAR · USD-normalized
ConceptUSDNativeFY
Revenue$344.2M$344.2M2025
Net income-$24.2M-$24.2M2025
Operating income-$42.8M-$42.8M2025
Total assets$578.6M$578.6M2025
Liabilities$107.7M$107.7M2025
Equity$470.9M$470.9M2025

Revenue trend

FY2020 – FY2025 · USD
$12.7M
FY20
$15.2M
FY20
$62.6M
FY20
$94.1M
FY21
$137.0M
FY22
$219.8M
FY23
$332.1M
FY24
$344.2M
FY25

Revenue by segment

Filed disclosures · FY2025
By product
Dermatologic100%
By geography

Not disclosed.

The read

Castle Biosciences, Inc. booked $344.2M in FY2025 revenue, growing 3.7% year over year — about the middle of the pack among Healthcare companies we track, at a -7.0% net margin.

Peers · Healthcare
CeriBell, Inc.48DRigel Pharmaceuticals, Inc.81B+Tectonic Therapeutic, Inc.——Beta Bionics, Inc.57C
Neighbors
Galveston →
American International Industries, Inc.$011DERF Wireless, Inc.$7.2M——Daybreak Oil and Gas, Inc.$1.6M——Data Call Technologies, Inc.$541.8k——Neurogenesis, Inc.$399.2k——
Key facts
CEODerek J. Maetzold
SectorHealthcare
IndustryMedical - Diagnostics & Research
HeadquartersFriendswood, TX
ExchangeNASDAQ: CSTL
Employees784
IPO date2019-07-25
Latest filings
8-K2026-05-298-K2026-05-0610-Q2026-05-06DEF 14A2026-04-0810-K2026-02-268-K2026-02-268-K2026-01-1310-Q2025-11-03
Financials: SEC EDGAR (XBRL), USD-normalized per IAS 21 · TTM/quarterly + segments: FMP from filed disclosures · Filings: EDGAR submissions. County headcount and EA Score are in progress — see docs/DATA_GAPS.md.
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