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Illumina, Inc. (ILMN) stock

ILMNNasdaqLaboratory Analytical InstrumentsFiscal year ends January 3
Financials through Q3 FY2026, quarter ended Sep 27, 2026Last filing: 10-Q on Oct 30, 2026Score 13/3023% above fair value
$235.99−54.07 (-18.64%)

Close on Oct 30, 2026Market cap $35.63BP/E 40.5Yield –

Price history

Illumina share prices for every week, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$235.99
-18.64% on the day
52-week range
$94.00 – $309.35
-23.7% from the high
Change over 52 weeks
+138.3%
From $99.01 on Oct 30, 2025
Average volume
2.55M
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$269.69$294.21$231.18$235.99-12.41%12,777,986
Oct 19, 2026$268.93$286.40$257.31$269.42+2.62%9,245,955
Oct 12, 2026$277.60$278.00$257.14$262.54-5.62%11,137,131
Oct 5, 2026$273.00$309.35$254.00$278.17+1.88%16,619,853
Sep 28, 2026$265.95$280.17$262.89$273.04+1.13%12,936,411
Sep 21, 2026$241.51$277.95$234.57$270.00+12.68%16,644,813
Sep 14, 2026$206.74$250.06$202.82$239.62+16.07%44,850,290
Sep 8, 2026$218.65$219.45$200.01$206.45-5.39%7,234,860
Aug 31, 2026$213.74$221.76$206.82$218.22+1.22%8,756,160
Aug 24, 2026$215.98$231.81$212.37$215.59-1.74%9,612,735
Aug 17, 2026$191.01$220.43$187.54$219.40+14.94%9,481,717
Aug 10, 2026$186.69$194.50$186.64$190.89+1.56%5,866,848
Aug 3, 2026$204.14$207.00$187.05$187.96-8.36%14,083,992
Jul 27, 2026$194.35$205.93$187.67$205.10+5.67%12,416,062
Jul 20, 2026$186.84$199.14$178.88$194.09+3.99%6,935,967
Jul 13, 2026$188.52$194.18$184.02$186.65-1.87%7,368,369
Jul 6, 2026$189.25$196.66$184.66$190.20+0.81%10,138,230
Jun 29, 2026$177.39$189.46$174.78$188.68+6.87%8,352,219
Jun 22, 2026$161.83$182.84$158.91$176.55+9.03%11,621,770
Jun 15, 2026$161.61$167.42$157.63$161.93+0.60%8,122,730
Jun 8, 2026$162.39$168.00$155.55$160.97-0.83%8,461,933
Jun 1, 2026$160.85$177.22$159.48$162.32-0.39%12,131,755
May 26, 2026$144.61$165.37$142.61$162.96+12.85%8,366,790
May 18, 2026$142.22$146.61$138.64$144.41+1.31%6,726,586
May 11, 2026$140.67$150.20$138.06$142.54+0.47%10,770,103
May 4, 2026$135.45$143.01$133.97$141.88+4.49%7,322,841
Apr 27, 2026$126.93$136.63$119.14$135.78+6.18%9,454,953
Apr 20, 2026$134.12$137.79$121.27$127.88-4.92%6,092,257
Apr 13, 2026$121.39$135.58$120.60$134.50+11.22%6,992,851
Apr 6, 2026$127.30$132.79$118.30$120.93-5.06%7,619,135
Mar 30, 2026$119.58$130.00$118.82$127.38+8.25%4,795,772
Mar 23, 2026$126.22$128.74$116.74$117.67-5.36%5,936,587
Mar 16, 2026$120.00$128.19$117.49$124.33+4.53%8,815,273
Mar 9, 2026$124.25$125.05$115.31$118.94-4.56%8,534,737
Mar 2, 2026$131.75$133.34$124.06$124.62-7.32%7,740,364
Feb 23, 2026$116.55$134.76$115.88$134.46+14.27%13,780,908
Feb 17, 2026$115.58$120.74$114.03$117.67+0.74%9,664,108
Feb 9, 2026$119.72$119.92$112.65$116.81-2.43%12,116,577
Feb 2, 2026$142.70$143.56$117.67$119.72-17.33%15,004,165
Jan 26, 2026$149.36$153.48$143.00$144.81-3.64%10,688,242
Jan 20, 2026$137.78$155.53$137.00$150.28+6.09%8,792,531
Jan 12, 2026$142.22$151.00$140.19$141.65+0.41%9,614,975
Jan 5, 2026$134.36$151.34$134.36$141.07+5.00%10,470,604
Dec 29, 2025$134.74$135.95$130.42$134.35-0.44%3,697,097
Dec 22, 2025$135.60$138.80$132.93$134.95+0.13%3,838,818
Dec 15, 2025$134.90$136.30$129.29$134.78-0.07%11,680,376
Dec 8, 2025$129.27$137.09$126.44$134.87+4.58%9,415,262
Dec 1, 2025$129.88$132.15$124.27$128.96-1.89%5,627,562
Nov 24, 2025$123.75$131.48$123.33$131.45+6.14%6,967,210
Nov 17, 2025$119.15$126.94$117.50$123.85+2.64%9,810,419
Nov 10, 2025$123.00$125.50$117.10$120.67-1.01%7,448,658
Nov 3, 2025$121.13$126.00$116.21$121.90-1.33%11,539,653

Seasonality

ILMN return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average3.8%-4.7%-0.2%-0.7%2.0%4.0%6.8%-0.5%-1.6%0.9%2.5%3.1%
Months up6 of 103 of 105 of 106 of 105 of 107 of 109 of 104 of 103 of 105 of 106 of 94 of 9
202610.4%-7.1%-8.3%2.8%28.6%7.9%16.6%4.2%28.1%-13.8%
2025-0.7%-33.1%-10.6%-2.2%6.0%16.0%7.7%-2.7%-5.0%30.1%6.4%-0.2%
20242.7%-2.2%-1.8%-10.4%-15.3%4.8%17.5%7.2%-0.8%10.5%0.0%-7.3%
20236.0%-7.1%17.0%-11.8%-4.6%-4.7%2.5%-14.0%-16.9%-20.3%-6.8%36.6%
2022-8.4%-6.4%7.0%-15.2%-19.5%-23.4%18.0%-7.0%-5.6%20.5%-4.8%-7.4%
202115.4%3.1%-12.7%2.3%3.3%16.8%4.8%-7.8%-11.4%2.3%-12.1%4.2%
2020-12.7%-8.5%2.8%17.0%13.9%2.0%3.2%-6.6%-13.6%-5.4%10.1%15.0%
2019-6.8%11.9%-0.7%0.4%-1.6%20.2%-18.8%-6.1%8.2%-2.9%8.6%3.5%
20186.6%-2.0%3.7%1.9%13.2%2.5%16.3%9.5%3.5%-15.4%8.6%-11.2%
201725.0%4.6%1.9%8.3%-4.1%-2.2%0.2%18.0%-2.6%3.1%12.3%-5.1%