Observatory · observe first
Synopsys
SNPS · United States · Application Software · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.140%
12M weight contribution
-0.054 pp
3M weight contribution
-0.018 pp
12M price return
-27.2%
Share of matched S&P 500 members
Monthly observations through Aug 2026
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 |
|---|---|---|---|---|---|
| Aug 2026 | $84.2bn | 0.140% | -0.054 pp | -27.2% | Yes |
| Jul 2026 | $74.4bn | 0.130% | -0.077 pp | -38.6% | No |
| Jun 2026 | $85.4bn | 0.148% | -0.023 pp | -13.0% | Yes |
| May 2026 | $91.1bn | 0.158% | -0.005 pp | +2.5% | Yes |
| Apr 2026 | $92.4bn | 0.125% | -0.045 pp | +5.1% | No |
| Mar 2026 | $76.0bn | 0.111% | -0.047 pp | -7.5% | No |
| Feb 2026 | $79.3bn | 0.109% | -0.049 pp | -9.5% | No |
| Jan 2026 | $89.0bn | 0.170% | -0.010 pp | -11.5% | No |
| Dec 2025 | $89.9bn | 0.176% | +0.006 pp | -3.2% | No |
| Nov 2025 | $77.6bn | 0.153% | -0.037 pp | -25.2% | No |
| Oct 2025 | $84.3bn | 0.165% | -0.020 pp | -11.6% | No |
| Sep 2025 | $91.6bn | 0.183% | +0.002 pp | -2.6% | Yes |
| Aug 2025 | $93.6bn | 0.194% | +0.001 pp | +16.2% | Yes |
| Jul 2025 | $98.3bn | 0.207% | +0.054 pp | +13.5% | Yes |
| Jun 2025 | $79.5bn | 0.172% | +0.001 pp | -13.8% | Yes |
| May 2025 | $72.0bn | 0.163% | -0.001 pp | -17.3% | No |
| Apr 2025 | $71.0bn | 0.170% | -0.064 pp | -13.5% | No |
| Mar 2025 | $66.3bn | 0.157% | -0.084 pp | -25.0% | No |
| Feb 2025 | $70.7bn | 0.158% | -0.093 pp | -20.3% | No |
| Jan 2025 | $81.2bn | 0.181% | -0.060 pp | -1.5% | No |
| Dec 2024 | $75.0bn | 0.170% | -0.063 pp | -5.7% | No |
| Nov 2024 | $85.8bn | 0.189% | -0.068 pp | +2.8% | Yes |
| Oct 2024 | $78.9bn | 0.185% | -0.057 pp | +9.4% | Yes |
| Sep 2024 | $77.8bn | 0.181% | -0.052 pp | +10.3% | 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.