Observatory · observe first
Morgan Stanley
MS · United States · Investment Banking & Brokerage · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.558%
12M weight contribution
+0.060 pp
3M weight contribution
-0.011 pp
12M price return
+45.0%
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 | $335.0bn | 0.558% | +0.060 pp | +45.0% | Yes |
| Jul 2026 | $331.9bn | 0.579% | +0.097 pp | +51.1% | Yes |
| Jun 2026 | $329.7bn | 0.573% | +0.086 pp | +52.0% | Yes |
| May 2026 | $328.1bn | 0.569% | +0.103 pp | +66.4% | Yes |
| Apr 2026 | $302.6bn | 0.411% | -0.036 pp | +69.1% | No |
| Mar 2026 | $261.3bn | 0.381% | -0.066 pp | +44.8% | No |
| Feb 2026 | $264.4bn | 0.363% | -0.117 pp | +28.4% | No |
| Jan 2026 | $290.5bn | 0.556% | +0.060 pp | +35.6% | Yes |
| Dec 2025 | $282.1bn | 0.553% | +0.093 pp | +45.2% | Yes |
| Nov 2025 | $269.6bn | 0.530% | +0.062 pp | +32.5% | Yes |
| Oct 2025 | $261.8bn | 0.513% | +0.071 pp | +45.0% | Yes |
| Sep 2025 | $253.8bn | 0.508% | +0.115 pp | +57.0% | Yes |
| Aug 2025 | $240.2bn | 0.498% | +0.093 pp | +49.6% | Yes |
| Jul 2025 | $228.6bn | 0.482% | +0.181 pp | +42.2% | Yes |
| Jun 2025 | $226.0bn | 0.487% | +0.191 pp | +49.6% | Yes |
| May 2025 | $205.4bn | 0.465% | +0.161 pp | +35.0% | No |
| Apr 2025 | $186.2bn | 0.447% | +0.017 pp | +31.1% | No |
| Mar 2025 | $188.2bn | 0.447% | +0.020 pp | +28.0% | No |
| Feb 2025 | $214.7bn | 0.480% | +0.077 pp | +59.8% | Yes |
| Jan 2025 | $223.0bn | 0.496% | +0.070 pp | +63.9% | Yes |
| Dec 2024 | $202.5bn | 0.459% | +0.003 pp | +39.7% | Yes |
| Nov 2024 | $212.0bn | 0.468% | +0.062 pp | +71.9% | Yes |
| Oct 2024 | $188.1bn | 0.442% | +0.043 pp | +70.1% | Yes |
| Sep 2024 | $168.6bn | 0.393% | -0.059 pp | +32.9% | 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.