Health Care · Laboratory Analytical Instruments

ILMN Illumina Inc SEC Filings & Insider Trading Activity 2026

company
CIK 111080388 filings

ILMN at a glance

Illumina Inc (ILMN, SEC CIK 1110803) filed its latest 10-K annual report on February 12, 2026, a 10-Q quarterly report on July 31, 2026, an 8-K current report on August 17, 2026 and Form 4 insider filings as recently as October 2, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.

  • For the fiscal year ended December 28, 2025 (FY2025), Illumina Inc (ILMN) reported revenue of $4.3 billion (down 0.7% from FY2024) and net income of $850.0 million. Diluted EPS was $5.45.
  • As of June 30, 2026, 45 institutional investment managers tracked by SignalX reported holding Illumina Inc (ILMN) shares worth $11.1 billion in 13F-HR filings.
  • The most recent insider open-market sale reported on Form 4 was by Meister Keith A. on September 4, 2026 of 11,351 shares at $219.18 per share.
  • In the last 90 days, ILMN insiders reported 0 open-market purchases ($0) and 69 open-market sales ($436.5M) on Form 4, a net sale of $436.5M.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Revenue · FY2025
$4.3B
−0.7% vs prior year
Insiders · 90 days
0 buys · 69 sells
Net −$436.5M
13F holders
45 funds
$11.1B · +5 vs prior quarter
Latest 10-Q
Jul 31, 2026
Quarterly report

SignalX for ILMN

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  • Fund moves. Which tracked funds opened, added or cut ILMN, by share count.
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Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
Ullem Scott B.ASep 30, 2026$219.80
Meister Keith A.ASep 30, 2026$219.80
Coletti Julie AnnASep 8, 2026-
Coletti Julie AnnASep 8, 2026-
Coletti Julie AnnASep 8, 2026-
Coletti Julie AnnASep 8, 2026-
Barnard StevenFSep 5, 2026$211.06
Meister Keith A.SellSep 4, 2026$219.18

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2023FY2024FY2025
Profitability
Revenue-$4.4B$4.3B
Gross Profit-$2.9B$2.9B
Operating Income--$833.0M$807.0M
Net Income--$1.2B$850.0M
Gross Margin-65.4%66.1%
Op. Margin--19.1%18.6%
Net Margin--28.0%19.6%
Balance Sheet
Total Assets$10.1B$6.3B$6.6B
Equity$5.7B$2.4B$2.7B
ROE--51.5%31.2%
Per Share
EPS-$-7.69$5.45
Cash Flow
Operating CF-$837.0M$1.1B
CapEx-$128.0M$148.0M

Source: XBRL data in Illumina Inc (ILMN)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →

13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate ILMN share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
ILMN shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202645$11.15B
Q1 202640$7.59B
Q4 202538$8.34B
Q3 202539$5.86B
Q2 202537$5.91B
Q1 202532$3.17B
Q4 202430$4.68B
Q3 202425$2.70B
Position changes: Q1 2026 → Q2 2026
Top Buyers
Top Sellers
Closed Positions
None this quarter.

Source: 13F-HR filings on SEC EDGAR (aggregated from 286 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
4Oct 2, 2026--
4Oct 2, 2026--
4Sep 10, 2026--
4Sep 9, 2026--
4Sep 4, 2026--
4Aug 27, 2026--
4Aug 21, 2026--
4Aug 20, 2026--
8-KAug 17, 2026--
8-KAug 13, 2026--
8-KAug 12, 2026--
8-KAug 7, 2026--
4Aug 7, 2026--
4Aug 6, 2026--
4Aug 3, 2026--
10-QJul 31, 2026-
8-KJul 30, 2026--
4Jun 25, 2026--
8-KJun 23, 2026--
4Jun 23, 2026--
4Jun 9, 2026-
4Jun 4, 2026-
4Jun 1, 2026-
4Jun 1, 2026-
4Jun 1, 2026-

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ILMN SEC filings: frequently asked questions

Are ILMN insiders buying or selling?

In the last 90 days, Illumina Inc (ILMN) officers, directors and 10% owners reported no open-market purchases and 69 open-market sales worth $436.5 million by 3 insiders on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.

Which institutions hold ILMN stock?

As of June 30, 2026, the largest Illumina Inc (ILMN) holders among the 13F filers tracked by SignalX were BlackRock ($3.4 billion), Vanguard Portfolio Management LLC ($1.2 billion), Vanguard Capital Management LLC ($1.2 billion), State Street Corp ($1.1 billion), FMR LLC (Fidelity) ($795.4 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What was ILMN's revenue in fiscal year 2025?

For the fiscal year ended December 28, 2025 (FY2025), Illumina Inc (ILMN) reported revenue of $4.3 billion (down 0.7% from FY2024) and net income of $850.0 million. Diluted EPS was $5.45. The figures come from the XBRL data in the 10-K.

What are the latest ILMN SEC filings?

Illumina Inc (ILMN) filed its latest 10-K annual report on February 12, 2026, a 10-Q quarterly report on July 31, 2026, an 8-K current report on August 17, 2026 and a Form 4 insider filing on October 2, 2026.

What is ILMN's SEC CIK number?

Illumina Inc (ILMN)'s SEC Central Index Key (CIK) is 1110803. EDGAR lists every ILMN filing under that number.

Ask anything about ILMN

The research agent reads ILMN's filings, financials, insider trades and 13F holders, then answers with sources.