Observatory · observe first
Northrop Grumman
NOC · United States · Aerospace & Defense · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.158%
12M weight contribution
+0.031 pp
3M weight contribution
+0.009 pp
12M price return
+8.9%
Share of matched S&P 500 members
Monthly observations through May 2025
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 2025 | $69.8bn | 0.158% | +0.031 pp | +8.9% | No |
| Apr 2025 | $70.0bn | 0.168% | -0.040 pp | +2.0% | Yes |
| Mar 2025 | $74.1bn | 0.176% | -0.023 pp | +8.8% | Yes |
| Feb 2025 | $66.8bn | 0.149% | -0.049 pp | +1.4% | No |
| Jan 2025 | $70.5bn | 0.157% | -0.042 pp | +10.9% | No |
| Dec 2024 | $68.4bn | 0.155% | -0.055 pp | +1.9% | No |
| Nov 2024 | $71.3bn | 0.157% | -0.066 pp | +4.3% | Yes |
| Oct 2024 | $74.2bn | 0.174% | -0.067 pp | +9.8% | Yes |
| Sep 2024 | $77.2bn | 0.180% | -0.043 pp | +22.0% | Yes |
| Aug 2024 | $76.5bn | 0.185% | -0.024 pp | +22.3% | Yes |
| Jul 2024 | $70.8bn | 0.127% | -0.020 pp | +10.7% | No |
| Jun 2024 | $64.5bn | 0.121% | -0.039 pp | -2.7% | No |
| May 2024 | $66.7bn | 0.128% | -0.036 pp | +5.3% | No |
| Apr 2024 | $71.8bn | 0.208% | -0.029 pp | +6.9% | Yes |
| Mar 2024 | $71.8bn | 0.199% | -0.042 pp | +5.4% | No |
| Feb 2024 | $69.2bn | 0.198% | -0.052 pp | +1.0% | No |
| Jan 2024 | $67.0bn | 0.199% | -0.035 pp | +1.4% | No |
| Dec 2023 | $70.6bn | 0.211% | -0.093 pp | -12.8% | Yes |
| Nov 2023 | $71.7bn | 0.223% | -0.055 pp | -9.4% | Yes |
| Oct 2023 | $71.1bn | 0.242% | -0.058 pp | -12.8% | Yes |
| Sep 2023 | $66.6bn | 0.222% | -0.064 pp | -4.9% | Yes |
| Aug 2023 | $65.5bn | 0.209% | -0.056 pp | -8.0% | Yes |
| Jul 2023 | $67.3bn | 0.147% | -0.108 pp | -5.7% | No |
| Jun 2023 | $69.2bn | 0.160% | -0.129 pp | -3.3% | 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.