Castle Biosciences Inc Share Price Today: Live Updates & Key Insights

Castle Biosciences Inc share price today is $25.01, up -2.72%. The stock opened at $25.47 against the previous close of $25.7, with an intraday high of $25.47 and low of $24.83.

Castle Biosciences Inc Share Price Chart

Castle Biosciences Inc

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Castle Biosciences Inc Share Price Performance

$25.01 -0.0272(-2.72%) CSTL at 23 Mar 2026 12:35 PM Diagnostics & Research
Lowest Today 24.83
Highest Today 25.47
Today’s Open 25.47
Prev. Close 25.7
52 Week High 44.28
52 Week Low 14.59
Day’s Range: Low 24.83 High 25.47
52-Week Range: Low 14.59 High 44.28
1 day return -
1 Week return -2.87
1 month return -13.51
3 month return -39.64
6 month return +3.98
1 year return +19.07
3 year return +16.09
5 year return -62.29
10 year return -

Castle Biosciences Inc Institutional Holdings

BlackRock Inc 10.73

Vanguard Group Inc 7.40

RTW INVESTMENTS, LLC 7.11

Principal Financial Group Inc 6.04

Portolan Capital Management, LLC 5.82

Dimensional Fund Advisors, Inc. 3.85

SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC 3.56

Strategic Advisers U.S. Total Stock 2.83

Principal U.S. Small Cap Equity 2.81

Principal U.S. Small Cap Select Equity 2.81

Vanguard Total Stock Mkt Idx Inv 2.77

Principal SmallCap R5 2.72

State Street Corp 2.44

Geode Capital Management, LLC 2.40

iShares Russell 2000 ETF 2.34

Allianz Asset Management AG 2.18

AIGH Capital Management, LLC 2.10

Palisade Capital Management LLc 1.91

Wasatch Advisors LP 1.81

Nuveen, LLC 1.76

Renaissance Technologies Corp 1.66

Schroder Investment Management Group 1.66

Acadian Asset Management LLC 1.52

Connor Clark & Lunn Inv Mgmt Ltd 1.31

Palisade Small Cap Core Equity 1.28

Citadel Advisors Llc 1.23

The Goldman Sachs Group Inc 1.16

Vanguard Institutional Extnd Mkt Idx Tr 1.06

Eventide Healthcare & Life Sciences I 1.03

Fidelity Small Cap Index 0.94

Vanguard Explorer Inv 0.93

Wasatch Ultra Growth 0.93

Wasatch Micro Cap 0.85

iShares Russell 2000 Value ETF 0.83

Buffalo Small Cap Growth 0.81

Kornitzer Small Cap Equity 0.81

iShares Biotechnology ETF 0.72

BlackRock Global Equity Mkt Netrl Instl 0.66

Nuveen Quant Small Cap Equity R6 0.66

DFA US Targeted Value I 0.58

Castle Biosciences Inc Market Status

Strong Buy: 8

Buy: 1

Hold: 0

Sell: 0

Strong Sell: 0

Castle Biosciences Inc Fundamentals

Market Cap 743.28 M

PB Ratio 1.6227

PE Ratio 0.0

Enterprise Value 501.50 M

Total Assets 578.56 M

Volume 294482

Castle Biosciences Inc Company Financials

Annual Revenue FY23:192006000 192.0M, FY22:137039000 137.0M, FY21:94085000 94.1M, FY20:62649000 62.6M, FY19:51865000 51.9M

Annual Profit FY23:149927000 149.9M, FY22:105030000 105.0M, FY21:78263000 78.3M, FY20:52964000 53.0M, FY19:44555000 44.6M

Annual Net worth FY23:-75504000 -75.5M, FY22:-67138000 -67.1M, FY21:-31292000 -31.3M, FY20:-10284000 -10.3M, FY19:5277000 5.3M

Quarterly Revenue Q3/2025:83043000 83.0M, Q2/2025:86188000 86.2M, Q1/2025:87988000 88.0M, Q3/2024:85782000 85.8M, Q2/2024:87002000 87.0M

Quarterly Profit Q3/2025:64339000 64.3M, Q2/2025:68562000 68.6M, Q1/2025:71605000 71.6M, Q3/2024:70173000 70.2M, Q2/2024:69772000 69.8M

Quarterly Net worth Q3/2025:-501000 -0.5M, Q2/2025:4523000 4.5M, Q1/2025:-25848000 -25.8M, Q3/2024:2269000 2.3M, Q2/2024:8920000 8.9M

About Castle Biosciences Inc & investment objective

Company Information Castle Biosciences, Inc., a molecular diagnostics company, provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), atopic dermatitis (AD), and uveal melanoma. The company offers DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test that predicts the likelihood of a positive sentinel lymph node and the risk of metastasis for patients with invasive cutaneous melanoma; TissueCypher, a risk stratification spatialomics test to predict future development of high-grade dysplasia and/or esophageal cancer in patients with non-dysplastic, indefinite dysplasia, and low-grade dysplasia BE; AdvanceAD-Tx, a non-invasive GEP test which is designed to guide systemic treatment selection for patients aged 12 years and older with moderateto-severe AD; DecisionDx-SCC, a GEP test for cutaneous squamous cell carcinoma; and MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions. It also provides DecisionDx-UM, a risk stratification GEP test that predicts the risk of metastasis for patients with uveal melanoma. The company offers its products to dermatology and gastroenterology markets. The company was incorporated in 2007 and is headquartered in Friendswood, Texas.

Organisation Diagnostics & Research

Employees 883

Industry Diagnostics & Research

CEO Mr. Derek J. Maetzold

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Castle Biosciences Inc FAQs

What is the share price of Castle Biosciences Inc today?

The current share price of Castle Biosciences Inc is $25.01.

Can I buy Castle Biosciences Inc shares in India?

Yes, Indian investors can buy Castle Biosciences Inc shares by opening an international trading and demat account with Motilal Oswal.

How to buy Castle Biosciences Inc shares in India?

You can easily invest in Castle Biosciences Inc shares from India by:

Can I buy fractional shares of Castle Biosciences Inc?

Yes, many platforms allow you to buy fractional shares starting from as low as $1.

What is the market capitalization value of Castle Biosciences Inc?

Castle Biosciences Inc has a market cap of $743.28 M.

In which sector does Castle Biosciences Inc belong?

Castle Biosciences Inc operates in the Diagnostics & Research sector.

What documents are required to invest in Castle Biosciences Inc stocks?

To invest, you typically need:

What is the PE and PB ratio of Castle Biosciences Inc?

The PE ratio of Castle Biosciences Inc is N/A and the PB ratio is 1.62.