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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
0.211%
12M weight contribution
+0.180 pp
3M weight contribution
+0.186 pp
12M price return
-6.8%
Share of matched S&P 500 members
Monthly observations through Dec 2024
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 2024 | $92.9bn | 0.211% | +0.180 pp | -6.8% | Yes |
| Nov 2024 | $95.1bn | 0.210% | +0.180 pp | +4.2% | Yes |
| Oct 2024 | $95.7bn | 0.225% | +0.198 pp | +27.6% | Yes |
| Sep 2024 | $10.6bn | 0.025% | -0.003 pp | +31.5% | No |
| Aug 2024 | $10.7bn | 0.026% | -0.004 pp | +18.0% | No |
| Jul 2024 | $12.0bn | 0.022% | +0.001 pp | +29.5% | No |
| Jun 2024 | $13.9bn | 0.026% | +0.006 pp | +67.3% | No |
| May 2024 | $12.2bn | 0.023% | +0.003 pp | +52.8% | No |
| Apr 2024 | $11.7bn | 0.034% | +0.010 pp | +72.5% | Yes |
| Mar 2024 | $12.7bn | 0.035% | +0.011 pp | +85.2% | Yes |
| Feb 2024 | $12.3bn | 0.035% | +0.012 pp | +95.4% | Yes |
| Jan 2024 | $10.8bn | 0.032% | +0.009 pp | +67.0% | Yes |
| Dec 2023 | $10.3bn | 0.031% | +0.010 pp | +88.6% | Yes |
| Nov 2023 | $9.4bn | 0.029% | +0.008 pp | +53.6% | Yes |
| Oct 2023 | $7.8bn | 0.026% | +0.007 pp | +47.2% | Yes |
| Sep 2023 | $8.3bn | 0.028% | +0.008 pp | +73.5% | Yes |
| Aug 2023 | $9.3bn | 0.030% | +0.008 pp | +62.7% | Yes |
| Jul 2023 | $9.7bn | 0.021% | -0.003 pp | +45.6% | No |
| Jun 2023 | $8.6bn | 0.020% | -0.003 pp | +53.0% | No |
| May 2023 | $8.3bn | 0.020% | -0.006 pp | +20.3% | No |
| Apr 2023 | $7.0bn | 0.024% | +0.000 pp | +14.2% | Yes |
| Mar 2023 | $7.2bn | 0.024% | -0.001 pp | +0.1% | Yes |
| Feb 2023 | $6.6bn | 0.023% | -0.004 pp | -12.2% | Yes |
| Jan 2023 | $6.7bn | 0.023% | -0.005 pp | -14.0% | Yes |
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.