“When we own portions of outstanding businesses with outstanding managements, our favorite holding period is forever.”
— Warren Buffett
A long-term investment in W.W. Grainger Inc. (NYSE: GWW) offers a clear example of how shareholder returns can compound over time through a combination of stock price appreciation and dividend reinvestment. For investors evaluating buy-and-hold results, GWW’s performance since 2006 illustrates the power of owning a durable operating business through multiple market cycles.
Grainger is a large industrial distributor, supplying maintenance, repair, and operating products to businesses and institutions. That business model tends to be tied to recurring operational demand rather than purely discretionary spending, which helps explain why the company has often been viewed as a steady compounder. The key question for any long-horizon investment is not simply whether the stock rose, but how the total return was built and what that says about compounding.
GWW 20-Year Total Return Snapshot
Assume a $10,000 investment in Grainger on 08/14/2006, with all dividends reinvested. Based on the figures below, that investment would have grown to $299,163.25 by 08/13/2026.
| Start date: | 08/14/2006 |
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| End date: | 08/13/2026 | ||||
| Start price/share: | $61.25 | ||||
| End price/share: | $1,321.38 | ||||
| Starting shares: | 163.27 | ||||
| Ending shares: | 226.34 | ||||
| Dividends reinvested/share: | $96.39 | ||||
| Total return: | 2,890.80% | ||||
| Average annual return: | 18.51% | ||||
| Starting investment: | $10,000.00 | ||||
| Ending investment: | $299,163.25 | ||||
The result is notable on both an absolute and annualized basis. A 2,890.80% total return over two decades translates to an average annual return of 18.51%, a rate that substantially magnifies wealth when sustained over long periods. This is the central lesson in the GWW return profile: compounding does not require constant trading activity, but it does require time.
These figures were computed with the Dividend Channel DRIP Returns Calculator.
How Dividend Reinvestment Affected the Outcome
Dividends were an important contributor to total return, even though the majority of the ending value came from share-price appreciation. Over the 20-year period shown above, Grainger paid $96.39 per share in cumulative dividends, and the calculation assumes those cash distributions were reinvested into additional shares on the ex-dividend date using the closing price.
That reinvestment increased the share count from 163.27 shares to 226.34 shares. In other words, dividends did more than provide income; they increased ownership. When that larger share base subsequently participated in the stock’s price appreciation, the compounding effect became much more powerful.
In concise terms, dividend reinvestment affects long-term returns in three ways:
- It converts cash distributions into additional shares.
- Those added shares receive future dividends of their own.
- The larger share count participates in any future stock price gains.
Current Yield vs. Yield on Cost
Based on the most recent annualized dividend rate of $9.96 per share, GWW currently yields approximately 0.75%. That is the current dividend yield, calculated against the recent market price.
A different measure, and often a more revealing one for long-term holders, is yield on cost. Yield on cost compares the current annual dividend with the original purchase price. Using the 2006 entry price of $61.25 per share, Grainger’s current annualized dividend of $9.96 equates to a yield on cost of 16.26%.
That distinction matters:
- Current yield shows what a new buyer receives at today’s price.
- Yield on cost shows how the income stream has grown relative to the original investment.
For long-duration holdings, yield on cost can become a useful way to visualize dividend growth working alongside capital appreciation. It does not determine present valuation, but it does help illustrate how rising distributions can improve the economics of an earlier purchase.
What the GWW Example Suggests About Long-Term Stock Ownership
Grainger’s 20-year return profile underscores several characteristics that often appear in successful long-term equity holdings:
- Consistent participation in an economically necessary niche.
- An ability to generate cash and return part of it to shareholders through dividends.
- A business model resilient enough to remain relevant across changing market conditions.
- A shareholder base willing to let compounding work over extended periods.
None of that guarantees the next 20 years will resemble the last 20. However, the historical record here is a useful case study in the interaction of price appreciation, dividends, and time. For investors studying total return, GWW demonstrates that a seemingly modest starting yield can still contribute meaningfully when paired with durable business performance and disciplined reinvestment.
“Although it’s easy to forget sometimes, a share is not a lottery ticket… it’s part-ownership of a business.” — Peter Lynch
