$ILMN

$280.23 +$9.19 (3.39%) Live

$ILMN Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 151.0M shares outstanding

Who owns ILMN?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 50.9%

BlackRock, Inc. 12.7% · Capital World Investors 10.2%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

940

+88 vs last qtr

Net shares bought

−337.8K

by institutions in Q2 2026

New / sold out

163 / 75

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

FMR LLC +3.0M
Jupiter Topco LLC NEW +2.0M

Biggest sellers in Q2 2026

Sessa Capital IM, L.P. −2.2M
Janus Henderson Group PLC SOLD OUT −2.1M

Who is planning to sell?

Notices of proposed sale, last 12 months

$591M

25 notices from 7 people

Shares covered

3.1M

2.06% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Corvex Management LP Affiliate of director (1) $587M
Frances Arnold Former director $1.63M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+5.4%

+0.59% a year

Each share's claim on the business

−5.1%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$2.62B vs $3.02B

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years66% 3–5 years2% 1–3 years23% Under 1 year9%

Quarterly turnover

12.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting ILMN on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	19.2M	12.71%	+167.8K (+0.9%)	≤2021	0.1%
Shares held by quarter Peak holding19.4M (Q2'25) Change over 8 quarters+645.1K Share of the company12.710% BlackRock, Inc.'s full portfolio →
CW Capital World Investors	15.4M	10.22%	−124.7K (−0.8%)	2023	0.3%
Shares held by quarter Peak holding20.1M (Q4'25) Change over 8 quarters+11.9M Share of the company10.220% Capital World Investors's full portfolio →

BlackRock, Inc.

19.2M

% of company

12.71%

Change vs last qtr

+167.8K (+0.9%)

Held since

≤2021

Capital World Investors

15.4M

% of company

10.22%

Change vs last qtr

−124.7K (−0.8%)

Held since

2023

28 more super investors behind a free account

See every manager holding Illumina Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ILMN on Form N-PORT; together they hold 43.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Mid-Cap ETF iShares Trust	$910M	5.2M	3.43%	0.73%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$802M	4.6M	3.02%	0.03%	June 30, 2026

iShares Core S&P Mid-Cap ETF

iShares Trust

Position value

$910M

% of company

3.43%

% of the fund

0.73%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$802M

% of company

3.02%

% of the fund

0.03%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Illumina Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
MK Meister Keith Insider	5.4M	3.56%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company3.560% Meister Keith's insider activity →
TJ Thaysen Jacob Insider	107.8K	0.07%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.070% Thaysen Jacob's insider activity →

Meister Keith

Insider

5.4M

% of company

3.56%

Change vs last qtr

—

Held since

—

Thaysen Jacob

Insider

107.8K

% of company

0.07%

Change vs last qtr

—

Held since

—

22 more holders behind a free account

See every insider and 5%+ holder of Illumina Inc.

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