Observatory · observe first
Arista Networks
ANET · United States · Communications Equipment · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.008%
12M weight contribution
+0.003 pp
3M weight contribution
+0.002 pp
12M price return
+83.3%
Share of matched S&P 500 members
Monthly observations through Nov 2021
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 |
|---|---|---|---|---|---|
| Nov 2021 | $2.4bn | 0.008% | +0.003 pp | +83.3% | Yes |
| Oct 2021 | $2.0bn | 0.007% | +0.002 pp | +96.1% | Yes |
| Sep 2021 | $1.6bn | 0.006% | +0.006 pp | +66.1% | No |
| Aug 2021 | $1.8bn | 0.006% | +0.006 pp | +65.4% | Yes |
| Jul 2021 | $1.8bn | 0.006% | +0.006 pp | +46.4% | Yes |
| Jun 2021 | $1.7bn | 0.006% | +0.006 pp | +72.5% | Yes |
| May 2021 | $1.6bn | 0.006% | +0.006 pp | +45.4% | Yes |
| Apr 2021 | $1.5bn | 0.005% | -0.000 pp | +43.7% | Yes |
| Mar 2021 | $1.4bn | 0.003% | +0.003 pp | +49.0% | No |
| Feb 2021 | $1.3bn | 0.003% | +0.003 pp | +44.9% | No |
| Jan 2021 | $1.5bn | 0.003% | -0.002 pp | +37.7% | Yes |
| Dec 2020 | $1.4bn | 0.006% | +0.001 pp | +42.9% | Yes |
| Nov 2020 | $1.3bn | 0.005% | +0.001 pp | +38.7% | Yes |
| Oct 2020 | $1.0bn | 0.005% | -0.001 pp | -14.6% | Yes |
| Sep 2020 | $1.0bn | 0.000% | -0.006 pp | -13.4% | No |
| Aug 2020 | $1.1bn | 0.000% | -0.006 pp | -1.4% | No |
| Jul 2020 | $1.2bn | 0.000% | -0.007 pp | -5.0% | No |
| Jun 2020 | $1.0bn | 0.000% | -0.007 pp | -19.1% | No |
| May 2020 | $1.1bn | 0.000% | -0.007 pp | -4.6% | No |
| Apr 2020 | $1.0bn | 0.006% | -0.002 pp | -29.8% | Yes |
| Mar 2020 | $1.0bn | 0.000% | -0.009 pp | -35.6% | No |
| Feb 2020 | $0.9bn | 0.000% | -0.008 pp | -32.3% | No |
| Jan 2020 | $1.1bn | 0.005% | +0.002 pp | +4.0% | No |
| Dec 2019 | $1.0bn | 0.005% | +0.001 pp | -3.5% | 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.