Observatory · observe first
Align Technology
ALGN · United States · Health Care Supplies · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Latest available · not live
20182026
Universe weight
0.017%
12M weight contribution
-0.001 pp
3M weight contribution
-0.004 pp
12M price return
+16.1%
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 | $10.3bn | 0.017% | -0.001 pp | +16.1% | No |
| Aug 2026 | $11.4bn | 0.019% | -0.002 pp | +12.6% | No |
| Jul 2026 | $12.1bn | 0.021% | +0.001 pp | +31.1% | Yes |
| Jun 2026 | $12.1bn | 0.021% | -0.009 pp | -10.9% | Yes |
| May 2026 | $12.5bn | 0.022% | -0.008 pp | -3.3% | Yes |
| Apr 2026 | $12.5bn | 0.017% | -0.014 pp | +1.6% | No |
| Mar 2026 | $12.2bn | 0.018% | -0.010 pp | +7.9% | No |
| Feb 2026 | $13.6bn | 0.019% | -0.012 pp | +1.6% | No |
| 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 |
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.