Observatory · observe first

Supermicro

SMCI · United States · Technology Hardware, Storage & Peripherals · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.051%
12M weight contribution
+0.045 pp
3M weight contribution
-0.003 pp
12M price return
-5.1%

Share of matched S&P 500 members

Monthly observations through Aug 2025

0.00.00.12025

Company price index

A separate dimension from market allocation

1364283743102025

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Aug 2025$24.7bn0.051%+0.045 pp-5.1%No
Jul 2025$35.2bn0.074%+0.067 pp-16.0%Yes
Jun 2025$29.3bn0.063%+0.054 pp-40.2%Yes
May 2025$23.9bn0.054%+0.045 pp-49.0%Yes
Apr 2025$18.9bn0.045%+0.031 pp-62.9%Yes
Mar 2025$20.3bn0.048%+0.033 pp-66.1%Yes
Feb 2025$24.6bn0.055%+0.055 pp-52.1%Yes
Jan 2025$1.7bn0.004%+0.004 pp-46.1%No
Dec 2024$1.8bn0.004%+0.004 pp+7.2%No
Nov 2024$1.9bn0.004%+0.004 pp+19.4%No
Oct 2024$1.7bn0.004%+0.004 pp+21.6%No
Sep 2024$2.4bn0.006%+0.006 pp+51.8%No
Aug 2024$2.6bn0.006%+0.006 pp+59.1%No
Jul 2024$4.1bn0.007%+0.007 pp+112.4%No
Jun 2024$4.8bn0.009%+0.009 pp+228.7%Yes
May 2024$4.6bn0.009%+0.009 pp+250.3%Yes
Apr 2024$4.8bn0.014%+0.014 pp+714.6%Yes
Mar 2024$5.6bn0.016%+0.016 pp+847.9%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.