Lyell Immunopharma, Inc. (LYEL) Institutional Ownership & Insider Trading

87 institutions reported holding Lyell Immunopharma, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 31 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

LYELLyell Immunopharma, Inc.Follow LYEL — free

Drug Manufacturers - General · Healthcare

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Market cap: 230.1M
P/E TTM: —
Dividend yield: —
52-week: —
Next earnings: 9 Nov, in 16 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

87 institutions held 51.7% of the shares. Across filers that reported both quarters, shares held changed +0.1%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	87	13	+0.1%	27	23	18	8
Mar 26	73	13	+14.9%	23	14	7	9
Dec 25	68	12	+4.9%	18	12	15	4
Sep 25	57	11	+17.6%	18	4	14	14
Jun 25	68	9	—	—	—	—	—
Mar 25	113	152	+1.4%	23	14	35	5
Dec 24	104	150	+24.0%	32	18	24	30
Sep 24	117	128	-4.7%	29	16	29	18

Lyell Immunopharma, Inc. — questions

Who owns Lyell Immunopharma, Inc. stock?: 87 institutions reported Lyell Immunopharma, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: ARCH Venture Management, LLC (13.3%), GSK plc (6.2%), VANGUARD CAPITAL MANAGEMENT LLC (3.2%).
Are Lyell Immunopharma, Inc. insiders buying or selling?: 31 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Lyell Immunopharma, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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