Observatory · observe first
Equifax
EFX · United States · Research & Consulting Services · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.052%
12M weight contribution
-0.020 pp
3M weight contribution
-0.012 pp
12M price return
-14.2%
Share of matched S&P 500 members
Monthly observations through Dec 2025
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 |
|---|---|---|---|---|---|
| Dec 2025 | $26.6bn | 0.052% | -0.020 pp | -14.2% | No |
| Nov 2025 | $26.0bn | 0.051% | -0.020 pp | -18.2% | No |
| Oct 2025 | $25.8bn | 0.051% | -0.027 pp | -19.8% | No |
| Sep 2025 | $31.8bn | 0.064% | -0.021 pp | -12.1% | No |
| Aug 2025 | $30.5bn | 0.063% | -0.029 pp | -19.3% | No |
| Jul 2025 | $29.7bn | 0.063% | +0.001 pp | -13.5% | No |
| Jun 2025 | $32.2bn | 0.069% | +0.013 pp | +7.7% | No |
| May 2025 | $32.8bn | 0.074% | +0.020 pp | +14.9% | Yes |
| Apr 2025 | $32.3bn | 0.078% | -0.001 pp | +18.9% | Yes |
| Mar 2025 | $30.2bn | 0.072% | -0.020 pp | -8.4% | No |
| Feb 2025 | $30.4bn | 0.068% | -0.029 pp | -9.8% | No |
| Jan 2025 | $34.1bn | 0.076% | -0.014 pp | +13.1% | No |
| Dec 2024 | $31.6bn | 0.072% | -0.019 pp | +3.7% | No |
| Nov 2024 | $32.4bn | 0.072% | -0.012 pp | +20.9% | No |
| Oct 2024 | $32.8bn | 0.077% | +0.006 pp | +57.3% | Yes |
| Sep 2024 | $36.4bn | 0.085% | +0.010 pp | +61.4% | Yes |
| Aug 2024 | $38.0bn | 0.092% | +0.011 pp | +49.6% | Yes |
| Jul 2024 | $34.6bn | 0.062% | +0.007 pp | +37.8% | No |
| Jun 2024 | $30.0bn | 0.056% | -0.011 pp | +3.8% | No |
| May 2024 | $28.6bn | 0.055% | -0.009 pp | +11.7% | No |
| Apr 2024 | $27.2bn | 0.079% | -0.007 pp | +6.4% | No |
| Mar 2024 | $33.2bn | 0.092% | +0.007 pp | +32.8% | Yes |
| Feb 2024 | $33.9bn | 0.097% | +0.010 pp | +36.1% | Yes |
| Jan 2024 | $30.1bn | 0.090% | -0.004 pp | +10.8% | 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.