ILMN
Illumina Inc.Stock · Health Care$192.59−$0.33 (-0.17%)as of market close, Aug 13, 2026
☾ After hours:$192.64+0.00%3:59 PM ET
ILMN monthly returns
Illumina Inc. has averaged 2.21% per month, positive in 57% of months. Month-by-month returns for Illumina Inc. (ILMN) below, through August 13, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+2.2%
308 months
Best month
+73.4%
May 2003
Worst month
-52.9%
Mar 2001
Positive months
57%
of all months
Illumina Inc. monthly returns#
| Month | Path | Total return |
|---|---|---|
| Aug 2026 | -6.1% | |
| Jul 2026 | +16.6% | |
| Jun 2026 | +7.9% | |
| May 2026 | +28.6% | |
| Apr 2026 | +2.8% | |
| Mar 2026 | -8.3% | |
| Feb 2026 | -7.1% | |
| Jan 2026 | +10.4% | |
| Dec 2025 | -0.2% | |
| Nov 2025 | +6.4% | |
| Oct 2025 | +30.1% | |
| Sep 2025 | -5.0% |
Monthly total return (since Sep 2021)
-30%-20%-10%+0%+10%+20%+30%
20222023202420252026
Methodology#
Monthly returns are total returns (dividends reinvested), computed from ILMN's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum
FAQ#
- What is Illumina Inc.'s average monthly return?
- Illumina Inc. (ILMN) has averaged about 2.21% per month, positive in roughly 57% of months. The best month was May 2003 (+73.4%) and the worst was Mar 2001 (-52.9%).