Observatory · observe first
T. Rowe Price
TROW · 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
0.037%
12M weight contribution
-0.008 pp
3M weight contribution
-0.005 pp
12M price return
+6.7%
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 | $22.2bn | 0.037% | -0.008 pp | +6.7% | No |
| Aug 2026 | $23.7bn | 0.040% | -0.009 pp | +8.8% | Yes |
| Jul 2026 | $23.8bn | 0.042% | -0.006 pp | +15.9% | Yes |
| Jun 2026 | $24.4bn | 0.042% | -0.004 pp | +24.0% | Yes |
| May 2026 | $22.4bn | 0.039% | -0.008 pp | +17.7% | Yes |
| Apr 2026 | $22.0bn | 0.030% | -0.017 pp | +22.5% | No |
| Mar 2026 | $19.7bn | 0.029% | -0.020 pp | +3.4% | No |
| Feb 2026 | $20.6bn | 0.028% | -0.024 pp | -5.7% | No |
| Jan 2026 | $23.1bn | 0.044% | -0.014 pp | -4.8% | No |
| Dec 2025 | $22.3bn | 0.044% | -0.013 pp | -4.7% | No |
| Nov 2025 | $22.3bn | 0.044% | -0.017 pp | -13.1% | No |
| Oct 2025 | $22.4bn | 0.044% | -0.014 pp | -1.9% | No |
| Sep 2025 | $22.6bn | 0.045% | -0.011 pp | -1.0% | No |
| Aug 2025 | $23.6bn | 0.049% | -0.008 pp | +6.7% | Yes |
| Jul 2025 | $22.4bn | 0.047% | +0.002 pp | -6.7% | No |
| Jun 2025 | $21.3bn | 0.046% | -0.002 pp | -12.1% | No |
| May 2025 | $20.6bn | 0.047% | -0.004 pp | -16.8% | No |
| Apr 2025 | $19.7bn | 0.047% | -0.024 pp | -15.3% | No |
| Mar 2025 | $20.5bn | 0.049% | -0.027 pp | -21.0% | No |
| Feb 2025 | $23.5bn | 0.053% | -0.020 pp | -2.6% | No |
| Jan 2025 | $26.0bn | 0.058% | -0.014 pp | +12.6% | Yes |
| Dec 2024 | $25.1bn | 0.057% | -0.015 pp | +9.7% | Yes |
| Nov 2024 | $27.5bn | 0.061% | -0.009 pp | +29.4% | Yes |
| Oct 2024 | $24.5bn | 0.057% | -0.011 pp | +27.0% | 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.