Lyell Immunopharma (LYEL) Ownership - Who Owns Lyell Immunopharma?

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Lyell Immunopharma (LYEL) Ownership Overview

28.57% Insiders

7.19% Mutual Funds

36.69% Other Institutional Investors

4.01% ETFs

23.54% Public Companies and

Individual Investors

The ownership structure of Lyell Immunopharma (LYEL) stock is a mix of institutional, retail, and individual investors. Approximately 47.89% of the company’s stock is owned by Institutional Investors, 28.57% is owned by Insiders, and 23.54% is owned by Public Companies and Individual Investors.

The ownership structure of Lyell Immunopharma (LYEL) stock is a mix of institutional, retail, and individual investors. Approximately 43.88% of the company’s stock is owned by Institutional Investors, 28.57% is owned by Insiders, and 4.01% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date	Name	Activity	Value
Mar 09, 2026	Arch Venture Partners Ix, Llc	xxxxxxxxxxxxx	$12499985
Mar 09, 2026	Arch Venture Fund Xiii, L.p.	xxxxxxxxxxxxx	$12499985
Feb 12, 2026	Lynn Seely	xxxxxxxxxxxxx	$174372
Feb 12, 2026	Lee Gary K.	xxxxxxxxxxxxx	$39085

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Recent Hedge Fund Trading Activity

Date	Firm	Activity	Value

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Top Shareholders

Holder	# of Shares	Type	% Holding	Value
	3,247,162	Insider	13.92%	52,376,723
	3,247,162	Insider	13.92%	52,376,723
	722,612	Institution	3.10%	11,655,732
	692,551	Institution	2.97%	11,170,848
	648,410	Institution	2.78%	10,458,853
	134,013	Institution	0.57%	2,161,630
Michael Rockefeller	98,425	Institution	0.42%	1,587,595
	83,055	Institution	0.36%	1,339,677
	77,619	Institution	0.33%	1,251,994
	74,266	Insider	0.32%	1,197,911

Top Mutual Fund Holders

# of Shares	Type	% Holding	Value
692,551	Institution	2.97%	11,170,848
648,410	Institution	2.78%	10,458,853
134,013	Institution	0.57%	2,161,630
71,141	Institution	0.30%	1,147,504
23,103	Institution	0.10%	372,651
21,220	Institution	0.09%	342,279
18,000	Institution	0.08%	290,340
14,149	Institution	0.06%	228,223
9,635	Institution	0.04%	155,413
9,320	Institution	0.04%	150,332

Top ETF Holders

Holder	# of Shares	Type	% Holding	Value
Vanguard Total Stock Market ETF	537,261	Institution	2.30%	10,777,456
Vanguard Extended Market ETF	162,336	Institution	0.70%	3,256,460
Schwab U.S. Small-Cap ETF	68,518	Institution	0.29%	1,315,546
iShares Biotechnology ETF	53,045	Institution	0.23%	1,021,116
Loncar China BioPharma ETF	30,080	Institution	0.13%	46,624
Vanguard Health Care ETF	23,015	Institution	0.10%	461,681
Avantis U.S Small Cap Equity ETF	18,357	Institution	0.08%	353,372
iShares NASDAQ US Biotechnology UCITS ETF	15,005	Institution	0.06%	288,096
Dimensional U.S. Small Cap ETF	12,766	Institution	0.05%	245,107
Schwab U.S. Broad Market ETF	9,101	Institution	0.04%	174,739

FAQ

Who Owns Lyell Immunopharma, Inc. (LYEL)?

According to the latest TipRanks data, approximately 36.69% of the company's stock is held by institutional investors, 28.57% is held by insiders, and 23.54% is held by retail investors.

What percentage of Lyell Immunopharma, Inc. (LYEL) stock is held by institutional investors?

According to the latest TipRanks data, approximately 36.69% of Lyell Immunopharma, Inc. (LYEL) stock is held by institutional investors.

What percentage of Lyell Immunopharma, Inc. (LYEL) stock is held by retail investors?

According to the latest TipRanks data, approximately 23.54% of Lyell Immunopharma, Inc. (LYEL) stock is held by retail investors.

Who owns the most shares of Lyell Immunopharma, Inc. (LYEL)?

ARCH Venture Fund XIII, L.P. owns the most shares of Lyell Immunopharma, Inc. (LYEL).

What is the significance of the ownership structure for a publicly traded company?

The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.