Observatory · observe first
BNY Mellon
BNY · United States · Asset Management & Custody Banks · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Latest available · not live
20182026
Universe weight
0.165%
12M weight contribution
+0.011 pp
3M weight contribution
-0.008 pp
12M price return
+35.2%
Share of matched S&P 500 members
Monthly observations through Sep 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 |
|---|---|---|---|---|---|
| Sep 2026 | $98.1bn | 0.165% | +0.011 pp | +35.2% | No |
| Aug 2026 | $109.4bn | 0.182% | +0.028 pp | +55.5% | Yes |
| Jul 2026 | $106.1bn | 0.185% | +0.032 pp | +56.9% | Yes |
| Jun 2026 | $99.3bn | 0.172% | +0.032 pp | +61.8% | Yes |
| May 2026 | $95.7bn | 0.166% | +0.022 pp | +60.4% | Yes |
| Apr 2026 | $92.3bn | 0.125% | -0.013 pp | +70.4% | No |
| Mar 2026 | $81.5bn | 0.119% | -0.024 pp | +44.5% | No |
| Feb 2026 | $81.8bn | 0.112% | -0.030 pp | +36.8% | No |
| Jan 2026 | $83.6bn | 0.160% | +0.021 pp | +42.6% | Yes |
| Dec 2025 | $81.0bn | 0.159% | +0.032 pp | +54.4% | Yes |
| Nov 2025 | $78.2bn | 0.154% | +0.022 pp | +40.0% | Yes |
| Oct 2025 | $75.3bn | 0.147% | +0.017 pp | +46.4% | No |
| Sep 2025 | $76.8bn | 0.154% | +0.030 pp | +55.2% | Yes |
| Aug 2025 | $74.5bn | 0.154% | +0.033 pp | +58.4% | Yes |
| Jul 2025 | $72.6bn | 0.153% | +0.066 pp | +59.6% | Yes |
| Jun 2025 | $65.2bn | 0.141% | +0.057 pp | +56.0% | No |
| May 2025 | $63.4bn | 0.144% | +0.058 pp | +52.5% | Yes |
| Apr 2025 | $57.6bn | 0.138% | +0.015 pp | +46.0% | Yes |
| Mar 2025 | $60.1bn | 0.143% | +0.022 pp | +49.5% | Yes |
| Feb 2025 | $63.7bn | 0.142% | +0.021 pp | +62.8% | Yes |
| Jan 2025 | $62.5bn | 0.139% | +0.012 pp | +59.1% | Yes |
| Dec 2024 | $55.9bn | 0.127% | +0.007 pp | +51.9% | Yes |
| Nov 2024 | $59.5bn | 0.131% | +0.015 pp | +74.4% | Yes |
| Oct 2024 | $55.6bn | 0.131% | +0.018 pp | +82.5% | 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.