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NASDAQ: PSNL
Personalis Inc Stock Ownership - Who owns Personalis?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Personalis Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Aaron TachibanaCFO AND COO2025-11-25103,668$9.16
$949.60kBuy
Aaron TachibanaCFO AND COO2025-11-25103,668$10.78
$1.12MSell
Christopher M. HallPRESIDENT AND CEO2025-11-0329,612$8.99
$266.21kSell
Aaron TachibanaCFO AND COO2025-07-28641$6.57
$4.21kSell
Richard ChenCHIEF MEDICAL OFFICER AND EVP2025-07-28452$6.57
$2.97kSell
Stephen Michael MooreSVP and Chief Legal Officer2025-05-161,675$4.95
$8.29kSell
Richard ChenCHIEF MEDICAL OFFICER AND EVP2025-05-16910$4.95
$4.50kSell
Aaron TachibanaCFO AND COO2025-05-161,291$4.95
$6.39kSell
Aaron TachibanaCFO AND COO2025-01-28708$5.79
$4.10kSell
Richard ChenCHIEF MEDICAL OFFICER AND EVP2025-01-28519$5.79
$3.01kSell

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Net Insider Buy/Sell (L12M) Ownership

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PSNL Shareholders

What type of owners hold Personalis Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Merck Co Inc15.82%14,044,943$123.17MInsider
Merck Co Inc15.82%14,044,943$123.17MInstitution
Tempus Ai Inc14.32%12,718,800$111.54MInsider
Lightspeed Management Company LLC9.19%8,160,734$71.57MInstitution
Ark Investment Management LLC8.91%7,910,191$69.37MInstitution
Blackrock Inc6.36%5,644,799$49.50MInstitution
Aigh Capital Management LLC4.38%3,892,101$34.13MInstitution
Abingworth LLP4.23%3,753,340$32.92MInsider
Vanguard Group Inc3.39%3,006,410$26.37MInstitution
T Rowe Price Investment Management Inc3.25%2,883,576$25.29MInstitution

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PSNL vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PSNL64.17%35.83%Net SellingNet Selling
FLGT55.73%41.68%Net SellingNet Selling
MYGN91.13%8.87%Net SellingNet Selling
LAB54.36%45.64%Net BuyingNet Buying
CDNA77.88%22.12%Net SellingNet Selling
View Top Diagnostic & Research Stocks

Personalis Stock Ownership FAQ

Who owns Personalis?

Personalis (NASDAQ: PSNL) is owned by 72.81% institutional shareholders, 40.66% Personalis insiders, and 0.00% retail investors. Merck Co Inc is the largest individual Personalis shareholder, owning 14.04M shares representing 15.82% of the company. Merck Co Inc's Personalis shares are currently valued at $123.17M.

If you're new to stock investing, here's how to buy Personalis stock.
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