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
0.141%
12M weight contribution
-0.035 pp
3M weight contribution
-0.018 pp
12M price return
+35.4%
Share of matched S&P 500 members
Monthly observations through Mar 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 |
|---|---|---|---|---|---|
| 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 |
| 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 |
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.