Observatory · observe first
Align Technology
ALGN · United States · Health Care Supplies · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.022%
12M weight contribution
-0.014 pp
3M weight contribution
+0.003 pp
12M price return
-25.6%
Share of matched S&P 500 members
Monthly observations through Jan 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 |
|---|---|---|---|---|---|
| Jan 2026 | $11.7bn | 0.022% | -0.014 pp | -25.6% | Yes |
| Dec 2025 | $11.2bn | 0.022% | -0.013 pp | -25.1% | Yes |
| Nov 2025 | $10.6bn | 0.021% | -0.018 pp | -36.8% | No |
| Oct 2025 | $10.0bn | 0.020% | -0.016 pp | -32.8% | No |
| Sep 2025 | $9.1bn | 0.018% | -0.026 pp | -50.8% | No |
| Aug 2025 | $10.3bn | 0.021% | -0.021 pp | -40.2% | No |
| Jul 2025 | $9.4bn | 0.020% | -0.012 pp | -44.4% | No |
| Jun 2025 | $13.7bn | 0.030% | -0.004 pp | -21.6% | No |
| May 2025 | $13.1bn | 0.030% | -0.007 pp | -29.7% | No |
| Apr 2025 | $12.8bn | 0.031% | -0.031 pp | -38.6% | No |
| Mar 2025 | $11.7bn | 0.028% | -0.041 pp | -51.6% | No |
| Feb 2025 | $13.8bn | 0.031% | -0.034 pp | -38.2% | No |
| Jan 2025 | $16.4bn | 0.036% | -0.025 pp | -18.0% | No |
| Dec 2024 | $15.6bn | 0.035% | -0.027 pp | -23.9% | No |
| Nov 2024 | $17.4bn | 0.038% | -0.013 pp | +8.9% | Yes |
| Oct 2024 | $15.3bn | 0.036% | -0.012 pp | +11.1% | No |
| Sep 2024 | $19.0bn | 0.044% | -0.034 pp | -16.7% | Yes |
| Aug 2024 | $17.7bn | 0.043% | -0.047 pp | -35.9% | No |
| Jul 2024 | $17.5bn | 0.031% | -0.032 pp | -38.6% | No |
| Jun 2024 | $18.2bn | 0.034% | -0.029 pp | -31.7% | No |
| May 2024 | $19.4bn | 0.037% | -0.016 pp | -9.0% | No |
| Apr 2024 | $21.2bn | 0.061% | -0.023 pp | -13.2% | No |
| Mar 2024 | $24.6bn | 0.068% | -0.019 pp | -1.9% | Yes |
| Feb 2024 | $22.7bn | 0.065% | -0.018 pp | -2.3% | 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.