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Observatory · observe first
Lam Research
LRCX · United States · Semiconductor Materials & Equipment · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.020%
12M weight contribution
+0.011 pp
3M weight contribution
+0.003 pp
12M price return
+74.1%
Share of matched S&P 500 members
Monthly observations through Nov 2019
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 2019 | $3.9bn | 0.020% | +0.011 pp | +74.1% | Yes |
| Oct 2019 | $3.9bn | 0.020% | +0.013 pp | +95.8% | Yes |
| Sep 2019 | $3.3bn | 0.018% | +0.010 pp | +56.0% | Yes |
| Aug 2019 | $3.0bn | 0.017% | +0.008 pp | +24.8% | Yes |
| Jul 2019 | $3.1bn | 0.017% | -0.002 pp | +12.3% | Yes |
| Jun 2019 | $2.8bn | 0.015% | -0.002 pp | +11.5% | Yes |
| May 2019 | $2.6bn | 0.015% | -0.004 pp | -9.6% | Yes |
| Apr 2019 | $3.1bn | 0.017% | -0.001 pp | +15.0% | Yes |
| Mar 2019 | $2.7bn | 0.016% | -0.005 pp | -9.6% | Yes |
| Feb 2019 | $2.7bn | 0.016% | -0.003 pp | -6.2% | Yes |
| Jan 2019 | $2.6bn | 0.009% | -0.009 pp | -9.5% | Yes |
| Dec 2018 | $2.1bn | 0.008% | -0.010 pp | -27.3% | No |
| Nov 2018 | $2.4bn | 0.008% | -0.010 pp | -16.8% | No |
| Oct 2018 | $2.2bn | 0.007% | -0.010 pp | -24.9% | No |
| Sep 2018 | $2.4bn | 0.008% | -0.010 pp | -19.6% | No |
| Aug 2018 | $2.7bn | 0.009% | -0.009 pp | -8.9% | No |
| Jul 2018 | $3.1bn | 0.018% | +0.000 pp | +0.3% | No |
| Jun 2018 | $2.8bn | 0.017% | -0.001 pp | -9.0% | No |
| May 2018 | $3.3bn | 0.020% | +0.002 pp | +3.7% | Yes |
| Apr 2018 | $3.0bn | 0.019% | +0.001 pp | -3.1% | No |
| Mar 2018 | $3.3bn | 0.020% | +0.003 pp | +6.3% | Yes |
| Feb 2018 | $3.1bn | 0.019% | +0.001 pp | +0.2% | Yes |
| Jan 2018 | $3.1bn | 0.018% | +0.000 pp | +0.0% | 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.