Observatory · observe first
TransDigm Group
TDG · United States · Aerospace & Defense · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Latest available · not live
20182026
Universe weight
0.101%
12M weight contribution
-0.048 pp
3M weight contribution
-0.029 pp
12M price return
-17.9%
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 | $59.8bn | 0.101% | -0.048 pp | -17.9% | No |
| Aug 2026 | $64.8bn | 0.108% | -0.056 pp | -10.5% | No |
| Jul 2026 | $70.2bn | 0.122% | -0.068 pp | -16.7% | Yes |
| Jun 2026 | $74.5bn | 0.129% | -0.055 pp | -6.4% | Yes |
| May 2026 | $70.4bn | 0.122% | -0.065 pp | -8.4% | Yes |
| Apr 2026 | $65.5bn | 0.089% | -0.101 pp | -12.3% | No |
| Mar 2026 | $65.5bn | 0.095% | -0.089 pp | -10.5% | No |
| Feb 2026 | $73.6bn | 0.101% | -0.070 pp | +1.8% | No |
| Jan 2026 | $80.4bn | 0.154% | -0.015 pp | +12.7% | Yes |
| Dec 2025 | $74.9bn | 0.147% | -0.015 pp | +12.2% | No |
| Nov 2025 | $76.6bn | 0.150% | -0.005 pp | +16.0% | No |
| Oct 2025 | $73.7bn | 0.144% | -0.027 pp | +7.4% | No |
| Sep 2025 | $74.3bn | 0.149% | -0.038 pp | +4.2% | No |
| Aug 2025 | $78.8bn | 0.163% | -0.023 pp | +7.6% | No |
| Jul 2025 | $90.3bn | 0.191% | +0.061 pp | +31.2% | Yes |
| Jun 2025 | $85.4bn | 0.184% | +0.050 pp | +25.7% | Yes |
| May 2025 | $82.5bn | 0.187% | +0.043 pp | +15.4% | Yes |
| Apr 2025 | $79.3bn | 0.190% | -0.011 pp | +19.5% | Yes |
| Mar 2025 | $77.6bn | 0.184% | -0.006 pp | +18.6% | Yes |
| Feb 2025 | $76.7bn | 0.171% | -0.016 pp | +22.6% | Yes |
| Jan 2025 | $76.1bn | 0.169% | -0.010 pp | +30.8% | No |
| Dec 2024 | $71.3bn | 0.162% | -0.005 pp | +32.3% | No |
| Nov 2024 | $70.5bn | 0.155% | -0.011 pp | +37.4% | No |
| Oct 2024 | $73.1bn | 0.172% | +0.016 pp | +72.1% | 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.