Universe›Industrials›Industrial Machinery & Supplies & Components›Industrial Machinery & Supplies & Components›Illinois Tool Works
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
0.123%
12M weight contribution
-0.039 pp
3M weight contribution
+0.008 pp
12M price return
+3.5%
Share of matched S&P 500 members
Monthly observations through May 2026
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 |
|---|---|---|---|---|---|
| May 2026 | $71.1bn | 0.123% | -0.039 pp | +3.5% | Yes |
| Apr 2026 | $74.4bn | 0.101% | -0.068 pp | +10.3% | No |
| Mar 2026 | $75.0bn | 0.109% | -0.064 pp | +7.6% | No |
| Feb 2026 | $83.8bn | 0.115% | -0.058 pp | +12.9% | No |
| Jan 2026 | $75.8bn | 0.145% | -0.025 pp | +3.3% | No |
| Dec 2025 | $71.5bn | 0.140% | -0.030 pp | -0.4% | No |
| Nov 2025 | $72.3bn | 0.142% | -0.039 pp | -8.0% | No |
| Oct 2025 | $70.8bn | 0.139% | -0.043 pp | -4.3% | No |
| Sep 2025 | $76.0bn | 0.152% | -0.029 pp | +1.9% | No |
| Aug 2025 | $77.1bn | 0.160% | -0.022 pp | +7.0% | No |
| Jul 2025 | $75.0bn | 0.158% | +0.026 pp | +6.0% | No |
| Jun 2025 | $72.4bn | 0.156% | +0.024 pp | +6.9% | No |
| May 2025 | $71.8bn | 0.163% | +0.024 pp | +3.4% | No |
| Apr 2025 | $70.4bn | 0.169% | -0.042 pp | +0.6% | No |
| Mar 2025 | $72.8bn | 0.173% | -0.050 pp | -5.4% | No |
| Feb 2025 | $77.5bn | 0.173% | -0.051 pp | +3.0% | No |
| Jan 2025 | $76.5bn | 0.170% | -0.063 pp | +1.6% | No |
| Dec 2024 | $74.9bn | 0.170% | -0.065 pp | -1.0% | No |
| Nov 2024 | $82.0bn | 0.181% | -0.046 pp | +17.2% | Yes |
| Oct 2024 | $77.1bn | 0.181% | -0.048 pp | +19.1% | Yes |
| Sep 2024 | $77.8bn | 0.181% | -0.051 pp | +16.3% | Yes |
| Aug 2024 | $75.2bn | 0.182% | -0.057 pp | +4.7% | Yes |
| Jul 2024 | $73.8bn | 0.132% | -0.042 pp | -3.9% | No |
| Jun 2024 | $70.7bn | 0.133% | -0.043 pp | -3.1% | 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.