NASDAQ: LYEL
Lyell Immunopharma Inc Stock Ownership - Who owns Lyell Immunopharma?

Insider buying vs selling

Have Lyell Immunopharma Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
David ShookChief Medical Officer2026-06-101,977$12.64
$24.99kSell
Stephen J. HillChief Operating Officer2026-05-1189$18.92
$1.68kSell
Veronica Sanchez BulisVP Corporate Controller2026-05-11217$18.91
$4.10kSell
Lynn SeelyPresident and CEO2026-05-11388$18.91
$7.34kSell
Gary K. LeeChief Scientific Officer2026-05-11130$18.92
$2.46kSell
Arch Venture Fund XIII LP10% Owner2026-03-06488,090$25.61
$12.50MBuy
Arch Venture Partners IX LLC10% Owner2026-03-06488,090$25.61
$12.50MBuy
Stephen J. HillChief Operating Officer2026-02-111,236$23.39
$28.91kSell
Gary K. LeeChief Scientific Officer2026-02-111,671$23.39
$39.08kSell
Lynn SeelyPresident and CEO2026-02-117,455$23.39
$174.37kSell

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Net Insider Buy/Sell (L12M) Ownership

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LYEL Shareholders

What type of owners hold Lyell Immunopharma Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Robert Nelsen234.07%54,619,074$695.85MInsider
Arch Venture Partners IX LLC167.75%39,143,667$498.69MInsider
Glaxosmithkline PLC129.65%30,253,189$385.43MInsider
Richard Klausner24.18%5,641,764$71.88MInsider
Hans Edgar Bishop20.08%4,685,614$59.69MInsider
Arch Venture Management LLC13.92%3,247,162$41.37MInstitution
Innovative Cellular Therapeutics Holdings Ltd12.86%3,000,000$38.22MInsider
Arch Venture Fund XIII LP7.92%1,848,755$23.55MInsider
Gsk PLC6.48%1,512,659$19.27MInstitution
Foresite Capital Management IV LLC3.43%800,399$10.20MInstitution

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LYEL vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
LYEL8.31%91.69%Net BuyingNet Selling
BCYC53.66%43.65%Net SellingNet Selling
NMRA30.07%69.93%Net Buying
SRZN34.48%65.52%Net BuyingNet Buying
TRDA42.64%57.36%Net SellingNet Selling

Lyell Immunopharma Stock Ownership FAQ

Who owns Lyell Immunopharma?

Lyell Immunopharma (NASDAQ: LYEL) is owned by 54.28% institutional shareholders, 599.10% Lyell Immunopharma insiders, and 0.00% retail investors. Robert Nelsen is the largest individual Lyell Immunopharma shareholder, owning 54.62M shares representing 234.07% of the company. Robert Nelsen's Lyell Immunopharma shares are currently valued at $653.79M.

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