What if you'd held GMAB?
A $1,000 investment in Genmab A/S (GMAB) at the month-end close of 2009-06 would be worth $9,573 at the close of 2026-09 — +857.3% total return, dividends reinvested. The same $1,000 in the S&P 500, dividends reinvested, would be worth $11,540.
Your scenario
Result
If you'd bought $1,000 at the start of each year
Value of $1,000 invested on January 1 of each year, held to 2026-09, dividends included.
Every year, $1,000 from 2009
| Year | Value of $1,000 | Year return |
|---|---|---|
| 2009 | $1,000 | — |
| 2010 | $894 | -10.6% |
| 2011 | $433 | -51.6% |
| 2012 | $927 | +114.1% |
| 2013 | $2,592 | +179.6% |
| 2014 | $3,881 | +49.7% |
| 2015 | $8,875 | +128.7% |
| 2016 | $10,982 | +23.7% |
| 2017 | $10,977 | -0.0% |
| 2018 | $10,911 | -0.6% |
| 2019 | $14,788 | +35.5% |
| 2020 | $26,927 | +82.1% |
| 2021 | $26,199 | -2.7% |
| 2022 | $28,066 | +7.1% |
| 2023 | $21,086 | -24.9% |
| 2024 | $13,821 | -34.5% |
| 2025 | $20,397 | +47.6% |
| 2026 | $22,252 | +9.1% |
Best and worst month-end to buy
The best single month-end close to have bought GMAB was 2011-08 ($0.65): $1,000 then is $51,376 today. The worst was 2021-08 ($47.39): $1,000 then is $709.
FAQ
What would $1,000 in GMAB be worth today?
A $1,000 investment in Genmab A/S (GMAB) at the start of 2009 would be worth about $9,573 today, a total return of +857.3%. Dividends are reinvested in these figures.
What were the best and worst years for GMAB?
Genmab A/S (GMAB)'s strongest calendar year since 2009 was 2013, a +179.6% return — $1,000 held through that year became about $2,796 by year-end. Its weakest year was 2011, at -51.6%.
Does the calculator include dividends and splits?
Yes where available. Prices are adjusted for both stock splits and reinvested dividends (total return), the same measure brokerages use.
How much would $100 per month in GMAB have grown?
Investing $100 at the end of every month since 2009-06 would have grown to about $182,659 on $20,800 invested.
Did GMAB beat the S&P 500?
Over the same period, $1,000 in the S&P 500 with dividends reinvested (the S&P 500 Total Return index) would be worth $11,540. GMAB trailed the S&P 500 by +17.1% in total return.
Is this investment advice?
No. Wall Street Regrets is an entertainment and education tool. Every number is a historical calculation, not a prediction, and past performance never guarantees future results.
Methodology
Genmab A/S (GMAB) historical total-return data from 2009-06 to 2026-09, reduced to month-end closes for the tables above.
Returns use adjusted close prices — adjusted for stock splits and reinvested dividends, the same convention used by major brokerages. End-of-day and live prices come from EODHD; parts of the deep historical series are carried over from Yahoo Finance data. A "year" scenario invests $1,000 at the prior December's month-end close and values it at the latest available month-end close. Non-USD amounts are converted at historical month-end exchange rates (EODHD): to USD on the buy date and back to your currency at the latest rate, so the return reflects the currency move as well as the asset.
Month-end resolution means intra-month extremes are not captured in tables; the calculator uses exact trading-day closes where daily data is available. Figures ignore taxes, fees, and the currency effects of non-USD listings. History is not a forecast. Wall Street Regrets is entertainment, not investment advice.
What if you'd held…
Data: adjusted close prices via EODHD and Yahoo Finance. As of 2026-09-04. Not financial advice.