Skip to content
BillionaireTracker

Dennis Gillings Net Worth

Source of wealth: Clinical trials

$2.43B

+$14.04M(+0.6%) today

Live · · Forbes real-time

Dennis Gillings' net worth is $2.43 billion as of November 7, 2026, according to Forbes' real-time data, which makes Dennis Gillings the 1677th richest person in the world.

Made since you opened this page

$0.00⏱ 00:00:00 on this page

$6.45 per second · based on net worth growth

Spend Dennis Gillings' money →

How much does Dennis Gillings make per second, hour and day?

Per second

$6.45

Per minute

$387

Per hour

$23,221

Per day

$557,307

Per week

$3.9M

Per year

$203.6M

Basis: Forbes 2025 World's Billionaires list → Forbes Real-Time Billionaires. How we calculate this

How long it takes Dennis Gillings to earn…

  • a Big Mac0.93 seconds
  • an iPhone 17 Pro Max5.2 minutes
  • the median US salary2.7 hours
  • a Tesla Model S Plaid4.1 hours
  • an average US home18.1 hours
  • a Bugatti33.6 days
  • a superyacht1.5 years

How did Dennis Gillings get so rich?

Dennis Gillings, whose fortune comes from Clinical trials, has an estimated net worth of $2.43 billion. That ranks 1677th on Forbes' live list of the world's billionaires. Citizenship: United Kingdom (based in Durham, North Carolina).

Since April 2025, when Forbes measured it at $2.1 billion, Dennis Gillings' fortune has grown by $326.1 million — an average of $6.45 per second, or $557,307 per day.

Dennis Gillings' net worth was $1.2 billion on Forbes' 2018 list, so it has grown about 2.0x since then.

Dennis Gillings net worth history (2018–2026)

$1.2B20182019$1.4B20202021$2.1B20222023$2.4B20242025$2.2B2026$2.4BNow
Annual figures from Forbes' World's Billionaires lists (measured each March/April). “Now” is the live Forbes estimate.
Dennis Gillings net worth by year
YearNet worthChange
2026$2.2B+$100M
2025$2.1B−$300M
2024$2.4B+$300M
2023$2.1B$0
2022$2.1B+$100M
2021$2B+$600M
2020$1.4B−$300M
2019$1.7B+$500M
2018$1.2B—

Ranked near Dennis Gillings

#NameNet worth
1674Haryanto TjiptodihardjoManufacturing$2.43B
1675Fan XiulianPharmaceuticals$2.43B
1676Wesley EdensInvestments$2.43B
1677Dennis GillingsClinical trials$2.43B
1678Alexey RepikPharmaceuticals$2.42B
1679John Stantonwireless$2.42B
1680Carmen Daurella AguileraCoca-Cola bottler$2.42B

Compare Dennis Gillings with…

Dennis Gillings net worth: FAQs

What is Dennis Gillings' net worth?

Dennis Gillings' net worth is $2.43 billion as of November 7, 2026, according to Forbes' real-time data, which makes Dennis Gillings the 1677th richest person in the world.

How much does Dennis Gillings make per second?

About $6.45 per second. Since April 2025, when Forbes measured it at $2.1 billion, Dennis Gillings' fortune has grown by $326.1 million — an average of $6.45 per second, or $557,307 per day.

How much does Dennis Gillings make a day?

Roughly $557,307 per day — that's $23,221 an hour and $387 a minute, based on average net worth growth.

How did Dennis Gillings make their money?

The main sources of Dennis Gillings' wealth are: Clinical trials. Forbes classifies the fortune as self-made.

How much did Dennis Gillings' net worth change today?

Dennis Gillings' net worth rose by $14.04 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 Dennis Gillings' net worth?

A typical full-time US worker earning about $63,128 a year would need roughly 38,431 years to earn Dennis Gillings' fortune — without spending a cent.

How old is Dennis Gillings?

Dennis Gillings is 82 years old and is a citizen of United Kingdom.

Sources

  • Net worth: Forbes Real-Time Billionaires (source), refreshed every 15 minutes.
  • History: Forbes World's Billionaires lists, 2018–2026.
  • Per-second figures are averages. See our methodology.