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

Insider buying vs selling

Have Personalis Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Richard ChenCHIEF MEDICAL OFFICER AND EVP2025-05-16910$4.95
$4.50kSell
Aaron TachibanaCFO AND COO2025-05-161,291$4.95
$6.39kSell
Stephen Michael MooreSVP and Chief Legal Officer2025-05-161,675$4.95
$8.29kSell
Aaron TachibanaCFO AND COO2025-01-28708$5.79
$4.10kSell
Richard ChenCHIEF MEDICAL OFFICER AND EVP2025-01-28519$5.79
$3.01kSell
Richard ChenCHIEF MEDICAL OFFICER AND EVP2024-12-164,834$3.82
$18.47kSell
Aaron TachibanaCFO AND COO2024-12-166,865$3.82
$26.22kSell
Stephen Michael MooreSVP and Chief Legal Officer2024-12-161,513$3.82
$5.78kSell
Aaron TachibanaCFO AND COO2024-11-181,307$3.79
$4.95kSell
Richard ChenCHIEF MEDICAL OFFICER AND EVP2024-11-18921$3.79
$3.49kSell

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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 Inc15.90%14,044,943$81.60MInstitution
Merck Co Inc15.90%14,044,943$81.60MInsider
Tempus Ai Inc14.40%12,718,800$73.90MInsider
Lightspeed Management Company LLC9.24%8,160,734$47.41MInstitution
Ark Investment Management LLC8.14%7,188,197$41.76MInstitution
Aigh Capital Management LLC4.49%3,968,948$23.06MInstitution
Abingworth LLP4.25%3,753,340$21.81MInsider
Blackrock Inc3.39%2,998,522$17.42MInstitution
Lightspeed Venture Partners Select IV LP2.22%1,963,476$11.41MInsider
Lightspeed Venture Partners VIII LP2.22%1,958,726$11.38MInsider

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PSNL vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PSNL60.27%39.73%Net BuyingNet Selling
CSTL85.10%14.90%Net SellingNet Selling
MYGN91.64%8.36%Net SellingNet Selling
FLGT53.50%42.54%Net SellingNet Selling
LAB56.19%43.81%Net BuyingNet Selling

Personalis Stock Ownership FAQ

Who owns Personalis?

Personalis (NASDAQ: PSNL) is owned by 62.08% institutional shareholders, 40.91% Personalis insiders, and 0.00% retail investors. Merck Co Inc is the largest individual Personalis shareholder, owning 14.04M shares representing 15.90% of the company. Merck Co Inc's Personalis shares are currently valued at $84.41M.

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