Observatory · observe first
Ross Stores
ROST · United States · Apparel Retail · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.129%
12M weight contribution
+0.025 pp
3M weight contribution
+0.038 pp
12M price return
+67.1%
Share of matched S&P 500 members
Monthly observations through May 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 |
|---|---|---|---|---|---|
| May 2026 | $74.7bn | 0.129% | +0.025 pp | +67.1% | Yes |
| Apr 2026 | $73.4bn | 0.100% | -0.010 pp | +65.5% | No |
| Mar 2026 | $69.8bn | 0.102% | +0.002 pp | +71.2% | No |
| Feb 2026 | $66.5bn | 0.091% | -0.012 pp | +48.2% | No |
| Jan 2026 | $61.0bn | 0.117% | +0.006 pp | +26.7% | Yes |
| Dec 2025 | $58.3bn | 0.114% | +0.001 pp | +20.4% | Yes |
| Nov 2025 | $57.4bn | 0.113% | -0.001 pp | +15.1% | Yes |
| Oct 2025 | $51.7bn | 0.101% | -0.008 pp | +15.0% | Yes |
| Sep 2025 | $49.6bn | 0.099% | -0.017 pp | +2.4% | No |
| Aug 2025 | $48.1bn | 0.100% | -0.022 pp | -1.2% | Yes |
| Jul 2025 | $44.7bn | 0.094% | +0.009 pp | -3.6% | No |
| Jun 2025 | $41.7bn | 0.090% | -0.001 pp | -11.2% | No |
| May 2025 | $46.1bn | 0.104% | +0.015 pp | +1.3% | No |
| Apr 2025 | $45.7bn | 0.110% | -0.016 pp | +8.4% | Yes |
| Mar 2025 | $42.2bn | 0.100% | -0.037 pp | -12.0% | No |
| Feb 2025 | $46.3bn | 0.104% | -0.040 pp | -4.9% | No |
| Jan 2025 | $49.7bn | 0.110% | -0.030 pp | +8.4% | No |
| Dec 2024 | $49.9bn | 0.113% | -0.026 pp | +10.4% | Yes |
| Nov 2024 | $51.4bn | 0.113% | -0.024 pp | +20.0% | Yes |
| Oct 2024 | $46.4bn | 0.109% | -0.025 pp | +21.7% | Yes |
| Sep 2024 | $49.9bn | 0.116% | -0.011 pp | +34.6% | Yes |
| Aug 2024 | $50.2bn | 0.121% | -0.011 pp | +24.9% | Yes |
| Jul 2024 | $47.8bn | 0.086% | +0.001 pp | +26.2% | No |
| Jun 2024 | $48.5bn | 0.091% | +0.003 pp | +30.9% | 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.