Illumina Falls as China Weakness and Unchanged Margin Outlook Temper Strong Q2

Illumina (ILMN) is down 5.2% today. Here is some analysis on what might have caused this price movement.

Analysis: The move appears to be a sell-the-news reaction after quarterly results that were strong on the surface but included a few points investors may have viewed cautiously. This could be because Greater China revenue remained under pressure, full-year operating margin guidance was left unchanged, and management signaled some moderation in year-over-year instrument growth in the second half even as overall guidance moved higher.

Details:

Illumina reported second-quarter revenue of $1.16 billion, up 9.5% from a year earlier, and raised its full-year 2026 revenue outlook to $4.60 billion to $4.64 billion.

Non-GAAP diluted EPS for the quarter was $1.31, and full-year non-GAAP EPS guidance was increased to $5.30 to $5.40.

Greater China revenue still declined 12% in the quarter, while management continues to frame the rest-of-world business separately because of the company’s China-related restrictions.

Management kept full-year non-GAAP operating margin guidance at 23.4% to 23.6% and said NovaSeq X placements should stay elevated in the second half, but with some moderation in year-over-year growth rates.

Sources:

Illumina, SEC, Yahoo Finance

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$ILMN Insider Trading Activity

$ILMN insiders have traded $ILMN stock on the open market 42 times in the past 6 months. Of those trades, 1 have been purchases and 41 have been sales.

Here’s a breakdown of recent trading of $ILMN stock by insiders over the last 6 months:

KEITH A. MEISTER has made 0 purchases and 26 sales selling 999,056 shares for an estimated $154,974,605.
PATRICIA LECKMAN (SVP, Chief People Officer) has made 0 purchases and 9 sales selling 3,937 shares for an estimated $529,719.
SCOTT M DAVIES (Chief Legal Officer) has made 0 purchases and 3 sales selling 2,566 shares for an estimated $364,316.
SCOTT D ERICKSEN (VP, Chief Accounting Officer) has made 0 purchases and 2 sales selling 2,000 shares for an estimated $305,150.
CHRISTENSEN JAKOB WEDEL (SVP, Strategy/Corp Development) sold 700 shares for an estimated $97,328
SCOTT GOTTLIEB purchased 200 shares for an estimated $23,562

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

$ILMN Hedge Fund Activity

We have seen 375 institutional investors add shares of $ILMN stock to their portfolio, and 402 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

CAPITAL WORLD INVESTORS removed 4,551,213 shares (-22.6%) from their portfolio in Q1 2026, for an estimated $560,982,514
WCM INVESTMENT MANAGEMENT, LLC added 1,851,848 shares (+45.5%) to their portfolio in Q1 2026, for an estimated $228,258,784
LOOMIS SAYLES & CO L P removed 1,228,743 shares (-29.5%) from their portfolio in Q1 2026, for an estimated $151,454,862
ALLIANCEBERNSTEIN L.P. added 854,747 shares (+360.9%) to their portfolio in Q1 2026, for an estimated $105,356,115
JUPITER ASSET MANAGEMENT LTD added 816,436 shares (+300.9%) to their portfolio in Q1 2026, for an estimated $100,633,901
BLACKROCK, INC. added 701,913 shares (+3.8%) to their portfolio in Q1 2026, for an estimated $86,517,796
GUARDCAP ASSET MANAGEMENT LTD removed 689,128 shares (-43.7%) from their portfolio in Q1 2026, for an estimated $84,941,917

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$ILMN Government Contracts

We have seen $31,295,353 of award payments to $ILMN over the last year.

Here are some of the awards which we have have seen pay out the most over the last year:

ILLUMINA DRAGEN GENOMIC ANALYSIS SYSTEM: $1,189,411
ILLUMINA REAGENTS AND CONSUMABLES: $999,049
PURCHASE OF 7 MISEQ I100S TO PERFORM WHOLE GENOME SEQUENCING (WGS) ON ALL FOODBORNE PATHOGENS ISOLATED AND ...: $805,796
ILLUMINA REAGENT CHEMISTRY KITS: $684,263
ILLUMINA REAGENTS AND CONSUMABLES, EO 14398: $650,392

To track government contracts to publicy traded companies, check out Quiver Quantitative's government contracts dashboard. You can access data on government contracts through the Quiver Quantitative API government contracts endpoint.

$ILMN Congressional Stock Trading

Members of Congress have traded $ILMN stock 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.

Here’s a breakdown of recent trading of $ILMN stock by members of Congress over the last 6 months:

REPRESENTATIVE GILBERT RAY CISNEROS, JR. purchased up to $15,000 on 02/10.

To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.

$ILMN Price Targets

Multiple analysts have issued price targets for $ILMN recently. We have seen 9 analysts offer price targets for $ILMN in the last 6 months, with a median target of $185.0.

Here are some recent targets:

Vijay Kumar from Evercore ISI Group set a target price of $200.0 on 07/06/2026
David Westenberg from Piper Sandler set a target price of $200.0 on 07/01/2026
Subbu Nambi from Guggenheim set a target price of $200.0 on 06/29/2026
Eve Burstein from Bernstein set a target price of $185.0 on 06/26/2026
Luke Sergott from Barclays set a target price of $145.0 on 06/24/2026
Casey Woodring from JP Morgan set a target price of $185.0 on 06/10/2026
Dan Leonard from RBC Capital set a target price of $170.0 on 05/15/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.