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USHealthcare

Castle Biosciences Inc (CSTL)

US · Healthcare · Diagnostics & Research

$36.78+3.66%
Last close · 2026-09-17

Latest quarter · ended 2026-06-30

Revenue
$103.5M
Revenue YoY
+20.1%
Net profit
$-2.1M
Profit YoY
-145.5%
EPS
$-0.07
EPS estimate
$-0.44
Net margin
-2.0%

EPS came in at -0.07 against a street estimate of -0.44 — a beat of 84.1%.

Key statistics

Market cap
$987.7M
Forward P/E
0.0
P/B
2.10
Book value
$15.41
EPS (TTM)
$-0.64
52-week high
$44.28
52-week low
$17.72
50-day MA
$28.96
200-day MA
$29.36
Beta
1.00

Analyst view

Analysts rate Castle Biosciences Inc a strong buy (9 buy, 0 hold, 0 sell out of 9) with an average price target of $44.00.

Shareholding

Insiders
2.44%
Institutions
90.99%

Largest institutional holders

FundStake
BlackRock Inc9.76%
RTW INVESTMENTS, LLC9.03%
Principal Financial Group Inc5.65%
Portolan Capital Management, LLC4.42%
Vanguard Capital Management, LLC3.85%
Summit Partners Public Asset Management, LLC3.08%
Allianz Asset Management AG2.88%
Vanguard Portfolio Management, LLC2.82%

Recent filings & reports

DocumentDate
Quarterly report · Q2 2026
CASTLE BIOSCIENCES, INC. - FORM 10-Q SUMMARY (Q2 2026) HEADLINE NUMBERS • Net Revenues (Q2 2026): $103.5 million (vs. $86.2 million in Q2 2025); Six
2026-07-30
Results announced · Q3 2026
CASTLE BIOSCIENCES Q2 2026 EARNINGS SUMMARY HEADLINE NUMBERS • Q2 2026 revenue: $103.5 million vs. $86.2 million in Q2 2025 (20% increase) • H1 2026
2026-07-30
Shareholder vote results · Q2 2026
CASTLE BIOSCIENCES, INC. - FORM 8-K SUMMARY HEADLINE NUMBERS • Annual stockholder meeting held May 28, 2026 • Total votes cast across proposals: app
2026-05-29
Quarterly report · Q1 2026
CASTLE BIOSCIENCES, INC. — Q1 2026 10-Q SUMMARY HEADLINE NUMBERS • Revenue Q1 2026: $83.679 million (down from $87.988 million in Q1 2025, -4.9% dec
2026-05-06
Results announced · Q2 2026
CASTLE BIOSCIENCES Q1 2026 EARNINGS SUMMARY HEADLINE NUMBERS • Q1 2026 Revenue: $83.7 million (down from $88.0 million in Q1 2025) • Core Revenue Dr
2026-05-06
Proxy statement · Q2 2026
CASTLE BIOSCIENCES, INC. — 2026 PROXY STATEMENT SUMMARY --- CEO COMPENSATION • Derek J. Maetzold (Founder, President & CEO) — Total compensation de
2026-04-08
Annual report FY2025
CASTLE BIOSCIENCES, INC. — FORM 10-K SUMMARY FOR RETAIL INVESTORS HEADLINE NUMBERS • Public Float (Market Capitalization): $576 million as of June 3
2026-02-26
Results announced · Q1 2026
CASTLE BIOSCIENCES, INC. — EARNINGS SUMMARY HEADLINE NUMBERS • Full-year 2025 revenue: $344.2 million (vs. $332.1 million in 2024), up 4% overall; e
2026-02-26

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Data updated 2026-09-18.