Alexander Karp Net Worth
Source of wealth: Software firm
$17.43B
+$521.8M(+3.1%) today
Live · · Forbes real-time
Alexander Karp's net worth is $17.43 billion as of November 7, 2026, according to Forbes' real-time data, which makes Alexander Karp the 163rd richest person in the world.
Made since you opened this page
$0.00⏱ 00:00:00 on this page$179 per second · based on net worth growth
Spend Alexander Karp's money →How much does Alexander Karp make per second, hour and day?
Per second
$179
Per minute
$10,713
Per hour
$642,800
Per day
$15.43M
Per week
$108M
Per year
$5.63B
Basis: Forbes 2025 World's Billionaires list → Forbes Real-Time Billionaires. How we calculate this
How long it takes Alexander Karp to earn…
- a Big Mac0.03 seconds
- an iPhone 17 Pro Max11 seconds
- the median US salary5.9 minutes
- a Tesla Model S Plaid8.9 minutes
- an average US home39.2 minutes
- a Bugatti1.2 days
- a superyacht19.4 days
How did Alexander Karp get so rich?
Alexander Karp, whose fortune comes from Software firm, has an estimated net worth of $17.43 billion. That ranks 163rd on Forbes' live list of the world's billionaires. Citizenship: United States (based in Lyman, New Hampshire).
Since April 2025, when Forbes measured it at $8.4 billion, Alexander Karp's fortune has grown by $9.03 billion — an average of $179 per second, or $15.43M per day.
Alexander Karp's net worth was $1.2 billion on Forbes' 2015 list, so it has grown about 15x since then.
Alexander Karp net worth history (2015–2026)
| Year | Net worth | Change |
|---|---|---|
| 2026 | $13.1B | +$4.7B |
| 2025 | $8.4B | +$5.5B |
| 2024 | $2.9B | +$1.6B |
| 2023 | $1.3B | +$200M |
| 2022 | $1.1B | −$1B |
| 2021 | $2.1B | +$800M |
| 2020 | $1.3B | $0 |
| 2019 | $1.3B | $0 |
| 2018 | $1.3B | −$300M |
| 2017 | $1.6B | $0 |
| 2016 | $1.6B | +$400M |
| 2015 | $1.2B | — |
Ranked near Alexander Karp
| # | Name | Net worth | Today | Per second | Country |
|---|---|---|---|---|---|
| 160 | John Menard JrHome improvement stores | $17.5B | — | −$107/s | United States |
| 161 | John CollisonPayment software | $17.49B | — | $146/s | Ireland |
| 161 | Patrick CollisonPayment software | $17.49B | — | $146/s | Ireland |
| 163 | Alexander KarpSoftware firm | $17.43B | +$521.8M(+3.1%) | $179/s | United States |
| 164 | Jaime Gilinski BacalBanking | $17.18B | +$5.23M(+0.0%) | $128/s | Colombia |
| 165 | Antonio GraciasInvestments | $17.1B | — | $295/s | United States |
| 166 | Dhanin ChearavanontDiversified | $16.88B | −$197.6M(−1.2%) | $33.33/s | Thailand |
Compare Alexander Karp with…
Alexander Karp net worth: FAQs
What is Alexander Karp's net worth?
Alexander Karp's net worth is $17.43 billion as of November 7, 2026, according to Forbes' real-time data, which makes Alexander Karp the 163rd richest person in the world.
How much does Alexander Karp make per second?
About $179 per second. Since April 2025, when Forbes measured it at $8.4 billion, Alexander Karp's fortune has grown by $9.03 billion — an average of $179 per second, or $15.43M per day.
How much does Alexander Karp make a day?
Roughly $15.43 million per day — that's $642,800 an hour and $10,713 a minute, based on average net worth growth.
How did Alexander Karp make their money?
The main sources of Alexander Karp's wealth are: Software firm. Forbes classifies the fortune as self-made.
How much did Alexander Karp's net worth change today?
Alexander Karp's net worth rose by $521.8 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 Alexander Karp's net worth?
A typical full-time US worker earning about $63,128 a year would need roughly 276,036 years to earn Alexander Karp's fortune — without spending a cent.
How old is Alexander Karp?
Alexander Karp is 59 years old and is a citizen of United States.
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.