Observatory · observe first

Moody's Corporation

MCO · United States · Financial Exchanges & Data · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.179%
12M weight contribution
-0.016 pp
3M weight contribution
+0.007 pp
12M price return
+8.7%

Share of matched S&P 500 members

Monthly observations through Dec 2025

0.00.10.220182019202020212022202320242025

Company price index

A separate dimension from market allocation

9721433220182019202020212022202320242025

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Dec 2025$91.1bn0.179%-0.016 pp+8.7%No
Nov 2025$87.6bn0.172%-0.028 pp-1.1%No
Oct 2025$85.7bn0.168%-0.026 pp+6.6%No
Sep 2025$85.5bn0.171%-0.030 pp+1.1%No
Aug 2025$91.5bn0.190%-0.025 pp+5.3%No
Jul 2025$92.5bn0.195%+0.046 pp+13.8%No
Jun 2025$90.2bn0.195%+0.050 pp+20.0%No
May 2025$86.2bn0.195%+0.057 pp+21.6%No
Apr 2025$81.5bn0.196%-0.000 pp+23.3%No
Mar 2025$83.8bn0.199%+0.000 pp+19.4%Yes
Feb 2025$90.7bn0.203%+0.004 pp+33.8%Yes
Jan 2025$90.5bn0.201%-0.012 pp+28.4%Yes
Dec 2024$85.8bn0.195%-0.019 pp+22.2%Yes
Nov 2024$90.6bn0.200%-0.008 pp+38.1%Yes
Oct 2024$82.3bn0.193%+0.002 pp+48.6%Yes
Sep 2024$86.4bn0.201%+0.007 pp+51.4%Yes
Aug 2024$88.8bn0.215%+0.018 pp+46.0%Yes
Jul 2024$83.1bn0.149%+0.008 pp+30.5%No
Jun 2024$76.9bn0.144%-0.003 pp+22.1%No
May 2024$72.5bn0.139%-0.005 pp+26.4%No
Apr 2024$67.6bn0.196%+0.002 pp+19.4%No
Mar 2024$71.7bn0.199%+0.008 pp+29.6%No
Feb 2024$69.2bn0.198%+0.012 pp+32.0%No
Jan 2024$71.7bn0.213%+0.011 pp+22.6%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.