One thing good about internet to the investment community is that it narrows the gap between people with privilege information and those who don't. This mean those who are rich or hedge funds do not always have the large edge they once do.
Performance since Year 1990
A quick search on the internet on Warren Buffet performance in Berkshire Hathaway Inc. as follow.
1st Jun 1990 Stock Value $7,300
1st May 2020 Stock Value $ 273,950
Pretty amazing value growth. That's mean for every $7300 invested in the Year 1990 which is 30 years ago, the return is 38 times at today value even after significant write down by the company due to Covid-19. XIRR wise is 13% over the 30 years period for an Investment Guru. For a Singaporean, the exchange rate changes from 1.74 to 1.42 across this long period. After adjustment will be 12.1%.
Performance since Year 2007
How does Cory performance since Year 2007 compounded. XIRR = 6%. That's half his compared to above. For consolation, STI Index is around 2% inclu. div..... .. ...
How about Berkshire Hathaway Inc. In USD since Year 2007. Is only 7.3%. Surprise ! What-if in S$ ? That's 6.7%. That's not a lot above Cory. Maybe the company is holding too much cash ?