Observatory · observe first

FactSet

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

Historical time machine
Latest available · not live
20182026
Universe weight
0.016%
12M weight contribution
-0.006 pp
3M weight contribution
+0.002 pp
12M price return
-4.1%

Share of matched S&P 500 members

Monthly observations through Sep 2026

0.00.00.120222023202420252026

Company price index

A separate dimension from market allocation

12319025620222023202420252026

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Sep 2026$9.6bn0.016%-0.006 pp-4.1%Yes
Aug 2026$11.2bn0.019%-0.011 pp-14.5%Yes
Jul 2026$9.4bn0.016%-0.016 pp-33.6%Yes
Jun 2026$8.4bn0.015%-0.022 pp-47.7%Yes
May 2026$8.9bn0.015%-0.024 pp-45.5%Yes
Apr 2026$8.3bn0.011%-0.028 pp-46.6%No
Mar 2026$8.1bn0.012%-0.029 pp-51.6%No
Feb 2026$8.0bn0.011%-0.028 pp-52.4%No
Jan 2026$9.4bn0.018%-0.022 pp-45.8%No
Dec 2025$10.9bn0.021%-0.020 pp-38.9%No
Nov 2025$10.4bn0.020%-0.021 pp-42.8%No
Oct 2025$10.0bn0.020%-0.021 pp-40.7%No
Sep 2025$10.8bn0.022%-0.019 pp-37.1%No
Aug 2025$14.1bn0.029%-0.010 pp-10.8%No
Jul 2025$15.2bn0.032%+0.004 pp-1.6%No
Jun 2025$17.0bn0.037%+0.007 pp+10.6%No
May 2025$17.4bn0.039%+0.010 pp+14.4%No
Apr 2025$16.4bn0.039%-0.007 pp+4.7%No
Mar 2025$17.3bn0.041%-0.007 pp+1.0%Yes
Feb 2025$17.6bn0.039%-0.011 pp+0.8%No
Jan 2025$18.0bn0.040%-0.014 pp+0.6%No
Dec 2024$18.2bn0.041%-0.013 pp+1.6%Yes
Nov 2024$18.6bn0.041%-0.013 pp+9.2%Yes
Oct 2024$17.2bn0.041%-0.015 pp+6.1%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.