Observatory · observe first
TransDigm Group
TDG · United States · Aerospace & Defense · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.147%
12M weight contribution
-0.015 pp
3M weight contribution
-0.002 pp
12M price return
+12.2%
Share of matched S&P 500 members
Monthly observations through Dec 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 |
|---|---|---|---|---|---|
| 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 |
| Sep 2024 | $80.1bn | 0.186% | +0.031 pp | +75.5% | Yes |
| Aug 2024 | $77.1bn | 0.186% | +0.027 pp | +57.5% | Yes |
| Jul 2024 | $72.4bn | 0.130% | +0.022 pp | +49.1% | No |
| Jun 2024 | $71.5bn | 0.134% | +0.020 pp | +48.1% | No |
| May 2024 | $75.2bn | 0.144% | +0.039 pp | +80.0% | No |
| Apr 2024 | $69.4bn | 0.201% | +0.060 pp | +69.1% | Yes |
| Mar 2024 | $68.5bn | 0.190% | +0.053 pp | +73.2% | Yes |
| Feb 2024 | $65.5bn | 0.188% | +0.045 pp | +64.1% | Yes |
| Jan 2024 | $60.4bn | 0.180% | +0.046 pp | +57.8% | 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.