Universe›Financials›Asset Management & Custody Banks›Asset Management & Custody Banks›State Street Corporation
Observatory · observe first
State Street Corporation
STT · 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
0.081%
12M weight contribution
+0.015 pp
3M weight contribution
-0.001 pp
12M price return
+54.4%
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 | $48.0bn | 0.081% | +0.015 pp | +54.4% | Yes |
| Aug 2026 | $52.6bn | 0.088% | +0.020 pp | +70.7% | Yes |
| Jul 2026 | $50.6bn | 0.088% | +0.021 pp | +69.0% | Yes |
| Jun 2026 | $46.9bn | 0.082% | +0.016 pp | +64.0% | Yes |
| May 2026 | $43.1bn | 0.075% | +0.012 pp | +66.2% | Yes |
| Apr 2026 | $42.3bn | 0.057% | -0.004 pp | +78.3% | No |
| Mar 2026 | $35.3bn | 0.051% | -0.010 pp | +45.6% | No |
| Feb 2026 | $35.9bn | 0.049% | -0.015 pp | +33.5% | No |
| Jan 2026 | $36.6bn | 0.070% | +0.004 pp | +32.6% | Yes |
| Dec 2025 | $36.0bn | 0.071% | +0.005 pp | +35.5% | Yes |
| Nov 2025 | $33.2bn | 0.065% | +0.002 pp | +24.6% | No |
| Oct 2025 | $32.3bn | 0.063% | -0.001 pp | +28.5% | No |
| Sep 2025 | $32.9bn | 0.066% | +0.004 pp | +35.4% | Yes |
| Aug 2025 | $32.6bn | 0.068% | +0.005 pp | +36.3% | Yes |
| Jul 2025 | $31.7bn | 0.067% | +0.021 pp | +35.8% | Yes |
| Jun 2025 | $30.3bn | 0.065% | +0.024 pp | +48.7% | Yes |
| May 2025 | $27.5bn | 0.062% | +0.019 pp | +31.8% | No |
| Apr 2025 | $25.4bn | 0.061% | -0.002 pp | +25.8% | No |
| Mar 2025 | $25.8bn | 0.061% | -0.003 pp | +18.8% | No |
| Feb 2025 | $28.6bn | 0.064% | +0.000 pp | +39.3% | No |
| Jan 2025 | $29.8bn | 0.066% | -0.002 pp | +42.4% | Yes |
| Dec 2024 | $28.8bn | 0.065% | -0.006 pp | +30.2% | Yes |
| Nov 2024 | $28.9bn | 0.064% | -0.006 pp | +40.2% | Yes |
| Oct 2024 | $27.2bn | 0.064% | -0.004 pp | +48.8% | 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.