Observatory · observe first
Northrop Grumman
NOC · United States · Aerospace & Defense · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Latest available · not live
20182026
Universe weight
0.115%
12M weight contribution
-0.059 pp
3M weight contribution
-0.010 pp
12M price return
-19.4%
Share of matched S&P 500 members
Monthly observations through Sep 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 |
|---|---|---|---|---|---|
| Sep 2026 | $68.7bn | 0.115% | -0.059 pp | -19.4% | No |
| Aug 2026 | $76.7bn | 0.128% | -0.047 pp | -6.7% | No |
| Jul 2026 | $77.1bn | 0.135% | -0.040 pp | -4.4% | Yes |
| Jun 2026 | $72.3bn | 0.126% | -0.029 pp | +3.5% | No |
| May 2026 | $80.1bn | 0.139% | -0.019 pp | +18.1% | No |
| Apr 2026 | $82.3bn | 0.112% | -0.056 pp | +21.0% | No |
| Mar 2026 | $96.8bn | 0.141% | -0.035 pp | +35.4% | No |
| Feb 2026 | $102.8bn | 0.141% | -0.008 pp | +60.1% | No |
| Jan 2026 | $98.2bn | 0.188% | +0.031 pp | +44.5% | Yes |
| Dec 2025 | $81.4bn | 0.159% | +0.004 pp | +23.6% | No |
| Nov 2025 | $81.7bn | 0.160% | +0.003 pp | +18.9% | No |
| Oct 2025 | $83.3bn | 0.163% | -0.011 pp | +16.6% | No |
| Sep 2025 | $87.2bn | 0.175% | -0.005 pp | +17.4% | Yes |
| Aug 2025 | $84.5bn | 0.175% | -0.010 pp | +14.8% | Yes |
| Jul 2025 | $82.6bn | 0.174% | +0.047 pp | +21.1% | Yes |
| Jun 2025 | $72.0bn | 0.155% | +0.034 pp | +16.7% | No |
| 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 |
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.