Mustafa Rahmi Koc Net Worth
Source of wealth: Diversified
$2.28B
+$30.57M(+1.4%) today
Live · · Forbes real-time
Mustafa Rahmi Koc's net worth is $2.28 billion as of November 7, 2026, according to Forbes' real-time data, which makes Mustafa Rahmi Koc the 1798th richest person in the world.
Lost since you opened this page
$0.00⏱ 00:00:00 on this page$10.34 per second · based on net worth growth
Spend Mustafa Rahmi Koc's money →How much does Mustafa Rahmi Koc lose per second, hour and day?
Per second
$10.34
Per minute
$620
Per hour
$37,210
Per day
$893,048
Per week
$6.25M
Per year
$326.2M
Basis: Forbes 2025 World's Billionaires list → Forbes Real-Time Billionaires. How we calculate this
How did Mustafa Rahmi Koc get so rich?
Mustafa Rahmi Koc, whose fortune comes from Diversified, has an estimated net worth of $2.28 billion. That ranks 1798th on Forbes' live list of the world's billionaires. Citizenship: Turkey (based in Istanbul).
Since April 2025, when Forbes measured it at $2.8 billion, Mustafa Rahmi Koc's fortune has shrunk by $522.5 million — an average of $10.34 per second, or $893,048 per day lost.
Mustafa Rahmi Koc's net worth was $2.5 billion on Forbes' 2015 list, so it is down about 9% since then.
Mustafa Rahmi Koc net worth history (2015–2026)
| Year | Net worth | Change |
|---|---|---|
| 2026 | $2.6B | −$200M |
| 2025 | $2.8B | +$100M |
| 2024 | $2.7B | $0 |
| 2023 | $2.7B | +$1.2B |
| 2022 | $1.5B | −$800M |
| 2021 | $2.3B | +$800M |
| 2020 | $1.5B | −$400M |
| 2019 | $1.9B | −$600M |
| 2018 | $2.5B | +$300M |
| 2017 | $2.2B | +$200M |
| 2016 | $2B | −$500M |
| 2015 | $2.5B | — |
Ranked near Mustafa Rahmi Koc
| # | Name | Net worth | Today | Per second | Country |
|---|---|---|---|---|---|
| 1794 | Assaf RappaportSecurity startup | $2.28B | — | $1.58/s | Israel |
| 1794 | Roy ReznikSecurity startup | $2.28B | — | $1.58/s | Israel |
| 1794 | Yinon CosticaSecurity startup | $2.28B | — | $1.58/s | Israel |
| 1798 | Mustafa Rahmi KocDiversified | $2.28B | +$30.57M(+1.4%) | −$10.34/s | Turkey |
| 1799 | Jyoti BansalAI software | $2.28B | — | −$1.10/s | United States |
| 1800 | Hans Jakob Limbachlaboratories | $2.28B | — | −$20.24/s | Germany |
| 1801 | Stefan SolovievReal estate, grains | $2.27B | — | −$0.50/s | United States |
Compare Mustafa Rahmi Koc with…
Mustafa Rahmi Koc net worth: FAQs
What is Mustafa Rahmi Koc's net worth?
Mustafa Rahmi Koc's net worth is $2.28 billion as of November 7, 2026, according to Forbes' real-time data, which makes Mustafa Rahmi Koc the 1798th richest person in the world.
How much does Mustafa Rahmi Koc make per second?
Mustafa Rahmi Koc is currently losing money on paper: Since April 2025, when Forbes measured it at $2.8 billion, Mustafa Rahmi Koc's fortune has shrunk by $522.5 million — an average of $10.34 per second, or $893,048 per day lost. Wealth figures move with share prices, so the rate changes daily.
How did Mustafa Rahmi Koc make their money?
The main sources of Mustafa Rahmi Koc's wealth are: Diversified.
How much did Mustafa Rahmi Koc's net worth change today?
Mustafa Rahmi Koc's net worth rose by $30.57 million compared with the previous trading day, according to Forbes' real-time estimate on November 7, 2026.
How long would it take an average person to earn Mustafa Rahmi Koc's net worth?
A typical full-time US worker earning about $63,128 a year would need roughly 36,078 years to earn Mustafa Rahmi Koc's fortune — without spending a cent.
How old is Mustafa Rahmi Koc?
Mustafa Rahmi Koc is 96 years old and is a citizen of Turkey.
Sources
- Net worth: Forbes Real-Time Billionaires (source), refreshed every 15 minutes.
- History: Forbes World's Billionaires lists, 2015–2026.
- Per-second figures are averages. See our methodology.