Observatory · observe first
Berkshire Hathaway
BRK.B · United States · Multi-Sector Holdings · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.001%
12M weight contribution
+0.000 pp
3M weight contribution
+0.000 pp
12M price return
+11.9%
Share of matched S&P 500 members
Monthly observations through Apr 2019
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 |
|---|---|---|---|---|---|
| Apr 2019 | $0.2bn | 0.001% | +0.000 pp | +11.9% | Yes |
| Mar 2019 | $0.2bn | 0.001% | -0.000 pp | +0.7% | Yes |
| Feb 2019 | $0.2bn | 0.001% | -0.000 pp | -2.8% | Yes |
| Jan 2019 | $0.2bn | 0.001% | -0.001 pp | -4.1% | No |
| Dec 2018 | $0.2bn | 0.001% | -0.000 pp | -4.8% | No |
| Nov 2018 | $0.2bn | 0.001% | -0.000 pp | +1.8% | No |
| Oct 2018 | $0.2bn | 0.001% | -0.000 pp | -4.2% | No |
| Sep 2018 | $0.2bn | 0.001% | -0.001 pp | -0.1% | No |
| Aug 2018 | $0.2bn | 0.001% | -0.001 pp | -2.6% | No |
| Jul 2018 | $0.2bn | 0.001% | -0.000 pp | -7.7% | No |
| Jun 2018 | $0.2bn | 0.001% | -0.000 pp | -12.9% | No |
| May 2018 | $0.2bn | 0.001% | -0.000 pp | -10.7% | No |
| Apr 2018 | $0.2bn | 0.001% | -0.000 pp | -9.6% | No |
| Mar 2018 | $0.2bn | 0.001% | +0.000 pp | -7.0% | No |
| Feb 2018 | $0.2bn | 0.001% | +0.000 pp | -3.3% | Yes |
| Jan 2018 | $0.2bn | 0.001% | +0.000 pp | +0.0% | 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.