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KLA Corporation
KLAC · United States · Semiconductor Materials & Equipment · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.028%
12M weight contribution
+0.004 pp
3M weight contribution
+0.003 pp
12M price return
+40.6%
Share of matched S&P 500 members
Monthly observations through Sep 2025
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 |
|---|---|---|---|---|---|
| Sep 2025 | $14.2bn | 0.028% | +0.004 pp | +40.6% | Yes |
| Aug 2025 | $11.5bn | 0.024% | -0.003 pp | +7.4% | Yes |
| Jul 2025 | $11.6bn | 0.025% | +0.005 pp | +7.8% | Yes |
| Jun 2025 | $11.8bn | 0.026% | +0.005 pp | +9.6% | Yes |
| May 2025 | $10.0bn | 0.023% | +0.003 pp | +0.6% | Yes |
| Apr 2025 | $9.3bn | 0.022% | -0.004 pp | +2.9% | Yes |
| Mar 2025 | $9.0bn | 0.021% | -0.005 pp | -1.8% | Yes |
| Feb 2025 | $9.4bn | 0.021% | -0.005 pp | +4.8% | Yes |
| Jan 2025 | $9.8bn | 0.022% | -0.002 pp | +25.4% | No |
| Dec 2024 | $8.4bn | 0.019% | -0.004 pp | +9.4% | No |
| Nov 2024 | $8.7bn | 0.019% | -0.004 pp | +19.9% | No |
| Oct 2024 | $8.9bn | 0.021% | -0.001 pp | +43.1% | No |
| Sep 2024 | $10.4bn | 0.024% | +0.003 pp | +70.3% | Yes |
| Aug 2024 | $11.0bn | 0.027% | +0.005 pp | +64.7% | Yes |
| Jul 2024 | $11.1bn | 0.020% | +0.004 pp | +61.7% | No |
| Jun 2024 | $11.1bn | 0.021% | +0.005 pp | +71.7% | No |
| May 2024 | $10.2bn | 0.020% | +0.005 pp | +73.1% | No |
| Apr 2024 | $9.3bn | 0.027% | +0.009 pp | +80.3% | Yes |
| Mar 2024 | $9.4bn | 0.026% | +0.007 pp | +77.0% | Yes |
| Feb 2024 | $9.2bn | 0.026% | +0.008 pp | +81.8% | Yes |
| Jan 2024 | $8.0bn | 0.024% | +0.005 pp | +53.2% | Yes |
| Dec 2023 | $7.9bn | 0.024% | +0.004 pp | +56.0% | Yes |
| Nov 2023 | $7.4bn | 0.023% | +0.004 pp | +40.2% | Yes |
| Oct 2023 | $6.4bn | 0.022% | +0.006 pp | +50.3% | 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.