NASDAQ · PSNLHealthcareMedical Labs

Personalis, Inc. Common Stock (PSNL)

$15.79+0.25%
Close Nov 4, 2026 · split-adjusted
Nov 2, 2026$15.76▲ 75.11% in range
Nov 3, 2025Low $5.04 · High $18.38Nov 2, 2026
What changed · written from our data
As of Nov 4, 2026

Personalis closed at $15.79 on Nov 4, up 0.25%, 14.1% below its 52-week closing high. Volume of 2.2M shares was 0.95× its 20-day average (close to normal).

Split-adjusted performance: -1.5% over one month, +160.1% over six months, +75.4% over one year.

In the quarter ended Jun 30, 2026, revenue was $22.36M, up 30.0% from a year earlier, with a net margin of -141.7%.

Short interest was 6.8M shares at the Oct 15 settlement, down 19.4% from the prior report (10.1% of float, 2.6 days to cover).

Market cap$1.69B106.8M shares
Revenue · quarter$22.4M+30.0% YoY
Diluted EPS$-0.30—
P/E · TTM—P/S 24.2×
Net margin-141.7%Gross 21.2%
Dividend yieldNone
52-week range5.04 – 18.38−14.1% from high
Volume2.2M0.95× 20-day avg
Volatility · 60d41.3%Annualised
Short % of float10.1%2.6 days to cover
Net cash$212.7MCash $212.7M
Next earnings—Not scheduled
Split-adjusted performance
1W −1.3%1M −1.5%3M +21.2%6M +160.1%YTD +98.4%1Y +75.4%3Y +1562.5%5Y −14.9%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Medical Labs

Percentile among 24 companies (100 = best)

6-month momentum91
Revenue growth61
Net margin19
Value (low P/E)—
Size48

Industry medians: 6-month return +36.9%, revenue growth +25.0%, net margin −4.0%, P/E 32.4×.

Short interest

Details →
Shares short6.8M−19.4% vs prior
Days to cover2.6Settled Oct 15
% of float10.1%
Short vol. 10d53.6%of daily volume

Closest peers by size in Medical Labs

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
PSNLPersonalis$15.79+0.25%+160.1%+30.0%−141.7%—$1.69B
FTREFortrea Holdings$20.83−0.57%+33.2%−1.4%0.1%—$2.01BCompare
LMRILumexa Imaging Holdings$13.10+16.76%+27.4%—1.0%—$1.26BCompare
FRNMFreenome$11.30−1.48%————$1.21BCompare
CSTLCastle Biosciences$35.75+1.74%+44.4%+20.1%−2.0%—$1.09BCompare
CELCCelcuity$69.24−0.69%−50.3%———$3.39BCompare
VCYTVeracyte$52.52+4.43%+27.5%+15.5%17.0%36.9$4.22BCompare
CDNACareDx$85.86−2.95%+309.8%+39.3%13.8%35.1$4.51BCompare
FLGTFulgent Genetics$19.68+1.60%+31.9%+4.4%−34.6%—$541.5MCompare

Quick answers

What does Personalis do?
Personalis Inc is a provider of genomic sequencing and analytics solutions to support the development of personalized cancer vaccines and other next-generation cancer immunotherapies. It has one segment, the sale of sequencing and data analysis services.
What is PSNL's market cap?
$1.69B, based on the Nov 4 close of $15.79.
Does Personalis pay a dividend?
No regular cash dividend has been paid in the last year.
How much of PSNL is sold short?
6.8M shares, 10.1% of float, as of Oct 15, 2026.
What sector is PSNL in?
Healthcare, in the Medical Labs industry.

About Personalis

Personalis Inc is a provider of genomic sequencing and analytics solutions to support the development of personalized cancer vaccines and other next-generation cancer immunotherapies. It has one segment, the sale of sequencing and data analysis services. The company' products include ImmunoID NeXT, NeXT Personal, NeXT Dx Test, and other pharma research solutions.

HQ: Fremont, CA260 employeesListed Jun 20, 2019personalis.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology