“When we own portions of outstanding businesses with outstanding managements, our favorite holding period is forever.”
— Warren Buffett
The wisdom of Warren Buffett reflects a value-based philosophy about investing that says investors are buying shares in a business, and encourages strategic thinking about investment time horizon. Before placing a buy order for a stock, a great question we can ask is whether we would still be comfortable making the investment if we couldn’t sell it for many years?
A “buy-and-hold” approach may call for a time horizon that spans a long period of time — maybe even lasting for a two-decade holding period. Suppose such a “buy-and-hold” investor had looked into buying shares of Blackrock Inc (NYSE: BLK) back in 2006. Let’s take a look at how such an investment would have worked out for that buy-and-hold investor:
| Start date: | 02/21/2006 |
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| End date: | 02/17/2026 | ||||
| Start price/share: | $145.27 | ||||
| End price/share: | $1,072.67 | ||||
| Starting shares: | 68.84 | ||||
| Ending shares: | 110.91 | ||||
| Dividends reinvested/share: | $205.44 | ||||
| Total return: | 1,089.66% | ||||
| Average annual return: | 13.18% | ||||
| Starting investment: | $10,000.00 | ||||
| Ending investment: | $118,998.40 | ||||
As shown above, the two-decade investment result worked out quite well, with an annualized rate of return of 13.18%. This would have turned a $10K investment made 20 years ago into $118,998.40 today (as of 02/17/2026). On a total return basis, that’s a result of 1,089.66% (something to think about: how might BLK shares perform over the next 20 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]
Notice that Blackrock Inc paid investors a total of $205.44/share in dividends over the 20 holding period, marking a second component of the total return beyond share price change alone. Much like watering a tree, reinvesting dividends can help an investment to grow over time — for the above calculations we assume dividend reinvestment (and for this exercise the closing price on ex-date is used for the reinvestment of a given dividend).
Based upon the most recent annualized dividend rate of 22.92/share, we calculate that BLK has a current yield of approximately 2.14%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of 22.92 against the original $145.27/share purchase price. This works out to a yield on cost of 1.47%.
One more investment quote to leave you with:
“Those who do not remember the past are condemned to repeat it.” — George Santayana
