Observatory · observe first

Illinois Tool Works

ITW · United States · Industrial Machinery & Supplies & Components · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.145%
12M weight contribution
-0.025 pp
3M weight contribution
+0.006 pp
12M price return
+3.3%

Share of matched S&P 500 members

Monthly observations through Jan 2026

0.00.20.3201820192020202120222023202420252026

Company price index

A separate dimension from market allocation

79131184201820192020202120222023202420252026

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Jan 2026$75.8bn0.145%-0.025 pp+3.3%No
Dec 2025$71.5bn0.140%-0.030 pp-0.4%No
Nov 2025$72.3bn0.142%-0.039 pp-8.0%No
Oct 2025$70.8bn0.139%-0.043 pp-4.3%No
Sep 2025$76.0bn0.152%-0.029 pp+1.9%No
Aug 2025$77.1bn0.160%-0.022 pp+7.0%No
Jul 2025$75.0bn0.158%+0.026 pp+6.0%No
Jun 2025$72.4bn0.156%+0.024 pp+6.9%No
May 2025$71.8bn0.163%+0.024 pp+3.4%No
Apr 2025$70.4bn0.169%-0.042 pp+0.6%No
Mar 2025$72.8bn0.173%-0.050 pp-5.4%No
Feb 2025$77.5bn0.173%-0.051 pp+3.0%No
Jan 2025$76.5bn0.170%-0.063 pp+1.6%No
Dec 2024$74.9bn0.170%-0.065 pp-1.0%No
Nov 2024$82.0bn0.181%-0.046 pp+17.2%Yes
Oct 2024$77.1bn0.181%-0.048 pp+19.1%Yes
Sep 2024$77.8bn0.181%-0.051 pp+16.3%Yes
Aug 2024$75.2bn0.182%-0.057 pp+4.7%Yes
Jul 2024$73.8bn0.132%-0.042 pp-3.9%No
Jun 2024$70.7bn0.133%-0.043 pp-3.1%No
May 2024$72.4bn0.138%-0.026 pp+13.4%No
Apr 2024$72.9bn0.211%-0.038 pp+3.1%No
Mar 2024$80.2bn0.222%-0.031 pp+12.7%No
Feb 2024$78.3bn0.224%-0.026 pp+15.0%No

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.