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Observatory · observe first
Charles River Laboratories
CRL · United States · Life Sciences Tools & Services · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Latest available · not live
20182026
Universe weight
0.024%
12M weight contribution
+0.008 pp
3M weight contribution
+0.005 pp
12M price return
+88.6%
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 | $14.1bn | 0.024% | +0.008 pp | +88.6% | Yes |
| Aug 2026 | $13.8bn | 0.023% | +0.006 pp | +76.5% | Yes |
| Jul 2026 | $11.2bn | 0.020% | +0.002 pp | +37.1% | Yes |
| Jun 2026 | $10.9bn | 0.019% | +0.003 pp | +49.5% | Yes |
| May 2026 | $8.7bn | 0.015% | -0.000 pp | +33.2% | Yes |
| Apr 2026 | $8.2bn | 0.011% | -0.003 pp | +40.8% | No |
| Mar 2026 | $8.5bn | 0.012% | -0.006 pp | +14.6% | No |
| Feb 2026 | $8.8bn | 0.012% | -0.007 pp | +8.0% | No |
| Jan 2026 | $10.4bn | 0.020% | +0.001 pp | +27.7% | Yes |
| Dec 2025 | $9.8bn | 0.019% | -0.002 pp | +8.1% | Yes |
| Nov 2025 | $8.8bn | 0.017% | -0.005 pp | -10.5% | Yes |
| Oct 2025 | $8.9bn | 0.017% | -0.004 pp | +0.8% | Yes |
| Sep 2025 | $7.7bn | 0.015% | -0.008 pp | -20.6% | No |
| Aug 2025 | $8.0bn | 0.017% | -0.008 pp | -17.4% | Yes |
| Jul 2025 | $8.3bn | 0.018% | -0.005 pp | -30.5% | Yes |
| Jun 2025 | $7.5bn | 0.016% | -0.004 pp | -26.6% | No |
| May 2025 | $6.7bn | 0.015% | -0.005 pp | -34.9% | No |
| Apr 2025 | $6.1bn | 0.015% | -0.019 pp | -48.2% | No |
| Mar 2025 | $7.7bn | 0.018% | -0.020 pp | -44.4% | No |
| Feb 2025 | $8.5bn | 0.019% | -0.018 pp | -35.0% | No |
| Jan 2025 | $8.4bn | 0.019% | -0.014 pp | -23.8% | No |
| Dec 2024 | $9.4bn | 0.021% | -0.015 pp | -21.9% | No |
| Nov 2024 | $10.2bn | 0.022% | -0.009 pp | +1.0% | No |
| Oct 2024 | $9.2bn | 0.022% | -0.008 pp | +6.1% | 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.