Observatory · observe first
Illumina, Inc.
ILMN · United States · Life Sciences Tools & Services · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.213%
12M weight contribution
-0.020 pp
3M weight contribution
+0.212 pp
12M price return
+11.5%
Share of matched S&P 500 members
Monthly observations through Dec 2020
Company price index
A separate dimension from market allocation
Historical observations
Most recent 24 observations at or before the selected month
| Month | Market cap | Universe weight | 12M weight change | 12M return | Above 6M weight average |
|---|---|---|---|---|---|
| Dec 2020 | $52.5bn | 0.213% | -0.020 pp | +11.5% | Yes |
| Nov 2020 | $45.7bn | 0.194% | -0.037 pp | +0.4% | Yes |
| Oct 2020 | $41.6bn | 0.197% | -0.023 pp | -1.0% | Yes |
| Sep 2020 | $43.9bn | 0.000% | -0.231 pp | +1.6% | No |
| Aug 2020 | $50.7bn | 0.000% | -0.219 pp | +27.0% | No |
| Jul 2020 | $54.6bn | 0.000% | -0.228 pp | +27.7% | No |
| Jun 2020 | $53.0bn | 0.000% | -0.284 pp | +0.6% | No |
| May 2020 | $51.9bn | 0.000% | -0.255 pp | +18.3% | No |
| Apr 2020 | $45.6bn | 0.255% | +0.007 pp | +2.3% | Yes |
| Mar 2020 | $39.1bn | 0.000% | -0.255 pp | -12.1% | No |
| Feb 2020 | $38.0bn | 0.000% | -0.259 pp | -15.1% | No |
| Jan 2020 | $41.5bn | 0.205% | +0.073 pp | +3.7% | No |
| Dec 2019 | $47.4bn | 0.233% | +0.079 pp | +10.6% | Yes |
| Nov 2019 | $45.9bn | 0.231% | +0.071 pp | -5.0% | No |
| Oct 2019 | $42.3bn | 0.220% | +0.069 pp | -5.0% | No |
| Sep 2019 | $43.5bn | 0.231% | +0.064 pp | -17.1% | No |
| Aug 2019 | $40.2bn | 0.219% | +0.055 pp | -20.7% | No |
| Jul 2019 | $42.8bn | 0.228% | -0.043 pp | -7.7% | No |
| Jun 2019 | $52.6bn | 0.284% | +0.041 pp | +31.8% | Yes |
| May 2019 | $43.9bn | 0.256% | +0.019 pp | +12.7% | Yes |
| Apr 2019 | $44.6bn | 0.249% | +0.037 pp | +29.5% | Yes |
| Mar 2019 | $44.4bn | 0.255% | +0.048 pp | +31.4% | Yes |
| Feb 2019 | $44.7bn | 0.259% | +0.064 pp | +37.2% | Yes |
| Jan 2019 | $40.0bn | 0.132% | -0.057 pp | +20.3% | No |
Its weight is estimated market cap divided by the total estimated market cap of matched S&P 500 members for the month. This is not an official float-adjusted S&P index weight.