ILMN earnings date, and what happened the last 4 times

Next report

Thu Oct 29

Quality Score today 14

After the close, in 3 days. Confirmed by the company.

ILMN closed higher after 2 of its last 4 reports. On average it closed +5.4% the session after a report.

The moment ILMN reports

Its figures, in plain words
How it moves after, beside its last four
Its Quality Score going in, and after

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What happened after ILMN's last 4 reports

ILMN's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Jul 30, 20262026 · After close	18estimated	-0.9%	0.0%	-5.5%
Apr 30, 20262026 · After close	10estimated	+5.1%	+7.1%	+9.4%
Feb 5, 20262026 · After close	9estimated	-5.7%	-10.4%	-14.3%
Oct 30, 20252025 · After close	4estimated	+8.0%	+24.8%	+22.3%

Jul 30, 2026, after the close: the next session ILMN opened -0.9% and closed 0.0%, and five sessions on it stood -5.5%. Its Quality Score going in was 18 (Excellent), estimated.
Apr 30, 2026, after the close: the next session ILMN opened +5.1% and closed +7.1%, and five sessions on it stood +9.4%. Its Quality Score going in was 10 (Average), estimated.
Feb 5, 2026, after the close: the next session ILMN opened -5.7% and closed -10.4%, and five sessions on it stood -14.3%. Its Quality Score going in was 9 (Average), estimated.
Oct 30, 2025, after the close: the next session ILMN opened +8.0% and closed +24.8%, and five sessions on it stood +22.3%. Its Quality Score going in was 4 (Below Average), estimated.

Across these 4 reports ILMN opened higher after 2 of 4 and closed higher after 2 of 4; on average it opened +1.6%, closed +5.4%, and stood +3.0% five sessions on. Its Quality Score is 14 today, against 18 going into its Jul 30, 2026 report.

Gap: where the stock opened the session after the report. Reaction: where that session closed. Both against the close before the report. The largest of the 4: +24.8% after the Oct 30, 2025 report. A score marked estimated was worked out afterwards from that day's prices and filings; Breakaway has recorded every score live since Sep 9 2026.

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Questions about ILMN's earnings

As of Oct 26, 2026: Illumina (ILMN): reports Thu Oct 29, after the close. ILMN closed higher after 2 of its last 4 reports. Its Quality Score is 14 (Above Average). Scores as of 11:11 PM ET, 15 minutes behind.

When is ILMN's next earnings date?

Reports Thu Oct 29, after the close, a date the company confirmed. ILMN closed higher after 2 of its last 4 reports. Past behavior, not a forecast.

Does ILMN report before or after the market?

ILMN reports Thu Oct 29, after the close. Its last 4 reports came after the close.

How did ILMN stock react to its last earnings report?

Jul 30, 2026, after the close: the next session ILMN opened -0.9% and closed 0.0%, and five sessions on it stood -5.5%.

Does ILMN stock usually go up after earnings?

ILMN closed higher after 2 of its last 4 reports. On average it closed +5.4% the session after a report, after opening +1.6%. Past behavior, not a forecast.

Illumina's page has its Quality Score, its chart, and its insiders' trades. Everyone reporting beside it: this week's earnings.