LYELL IMMUNOPHARMA INC (LYEL) Institutional Ownership and Insiders Activity

LYELL IMMUNOPHARMA INC (LYEL) is widely held by institutional investors, with 97 firms reporting positions valued at approximately $178.21M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Arch Venture Management, Llc is the largest disclosed holder, reporting approximately $45.53M in LYEL holdings in its latest filing.

Recent insider activity includes 18 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.

Institutional Holders

97

Total Reported Value

$178.21M

Largest Holder

Arch Venture Management, Llc

Largest Position

$45.53M

Insider Transactions (90d)

18

Latest Filing Quarter

Q2 2026

New Institutional Positions

62

Funds Exiting Positions

1

Top Institutional Owners

View all
InvestorReported Balance