Observatory · observe first
CoStar Group
CSGP · United States · Real Estate Services · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.080%
12M weight contribution
+0.080 pp
3M weight contribution
-0.021 pp
12M price return
+30.3%
Share of matched S&P 500 members
Monthly observations through May 2023
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 2023 | $32.4bn | 0.080% | +0.080 pp | +30.3% | No |
| Apr 2023 | $31.4bn | 0.106% | +0.106 pp | +21.0% | Yes |
| Mar 2023 | $28.0bn | 0.096% | +0.096 pp | +3.4% | No |
| Feb 2023 | $28.7bn | 0.101% | +0.101 pp | +15.8% | No |
| Jan 2023 | $31.7bn | 0.108% | +0.108 pp | +11.0% | Yes |
| Dec 2022 | $31.4bn | 0.113% | +0.113 pp | -2.2% | Yes |
| Nov 2022 | $33.0bn | 0.112% | +0.112 pp | +4.2% | Yes |
| Oct 2022 | $33.6bn | 0.119% | +0.119 pp | -3.9% | Yes |
| Sep 2022 | $27.6bn | 0.108% | +0.108 pp | -19.1% | 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.