The CSL Limited (ASX: CSL) share price has outperformed the broader market over the last 12 months. The stock has fallen 1% since this time last year while the S&P/ASX 200 Index (ASX: XJO) has dropped 4%.
But the CSL share price's domination of the index isn't new. Over the last 10 years, the biotechnology giant's shares have gained a whopping 433%. For comparison, the ASX 200 has lifted a respectable 52% in that time.
If one were to have invested $1,000 in CSL shares in January 2013, they likely would have walked away with 19 securities and around $13 change, paying $51.95 per share.
Today, that parcel would be worth a whopping $5,263. The CSL share price is currently $277.
But that's not all.
Let's dive into the dividends our figurative long-term investor may have received over the life of their investment.
How much have CSL shares paid in dividends in 10 years?
Here are all the dividends offered by CSL over the decade just been, rounded to the nearest cent:
| CSL dividends' pay date | Type | Dividend amount |
| October 2022 | Final | $1.76 |
| April 2022 | Interim | $1.42 |
| September 2021 | Final | $1.59 |
| April 2021 | Interim | $1.35 |
| October 2020 | Final | $1.47 |
| April 2020 | Interim | $1.47 |
| October 2019 | Final | $1.45 |
| April 2019 | Interim | $1.20 |
| October 2018 | Final | $1.28 |
| April 2018 | Interim | $1 |
| October 2017 | Final | 92 cents |
| April 2017 | Interim | 84 cents |
| October 2016 | Final | 89 cents |
| April 2016 | Interim | 81 cents |
| October 2015 | Final | 90 cents |
| April 2015 | Interim | 74 cents |
| October 2014 | Final | 65 cents |
| April 2014 | Interim | 59 cents |
| October 2013 | Final | 57 cents |
| April 2013 | Interim | 49 cents |
| Total: | $21.39 |
Over the last 10 years, our figurative investor has likely received $21.39 per CSL share they've held – a total of $406.41 of passive income.
That's certainly nothing to scoff at. Indeed, dividends alone have returned almost 40% of their purchase price. It also bumps their total return on investment (ROI) to a whopping 474%.
And of course, that could have been higher if they compounded their returns by reinvesting their dividends.
CSL shares currently trade with a modest 1.1% dividend yield.
