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Billionaire Profile
Gustav Magnar Witzoe
Global Rank
#966

Gustav Magnar Witzoe

CEO, Fish farming
Kverva, Norway
Real-Time Net Worth
$4.52B
Estimated based on Fish farming stock value as of September 10, 2026
+1.53% (24h)
Age
33
Source
Fish farming
Industry
Food & Beverage
Citizenship
Norway

Biography

Gustav Magnar Witzoe is a Norwegian billionaire and investor, primarily known as the principal owner of nearly half of SalMar ASA, one of the world's largest farmed Atlantic salmon producers. Born in 1993 on the island of Frøya, Norway, he inherited his stake in SalMar at the age of 20 from his father, who founded the company in 1991. Witzoe's source of wealth stems from his significant shareholdings in the fish farming industry, making him one of the youngest billionaires globally. Beyond his involvement in the family business, he has also ventured into real estate and technology startups. In 2021, he established the W Initiative, a humanitarian foundation supporting children and youth through education, health, and environmental initiatives.

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Data Updated
Sep 10, 2026
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Wealth Over Time

Net Worth History

YearNet Worth
2026$4.52B
2025$4.40B
2024$4.30B
2022$4.50B

Portfolio Holdings

SalMar ASA

SalMar ASA

SALMfood-beverage
Ownership
47%
Market Cap
$7.98B
Stock Price
$545.5
Revenue
$2.38B
Kverva, Norway
2,941 employees
Founded 1991

In-Depth Profile

Early Life

Gustav Magnar Witzøe was born on February 8, 1993, in Frøya Municipality, Norway. He grew up on a small island off the northwest coast of Norway, in a close-knit fishing community. His childhood was modest and immersed in nature, fostering a sense of simplicity and close community ties. He attended local schools in Frøya and completed his high school education around 2011 at the age of 18.

Rise to Success

In 2013, at the age of 20, Witzøe received nearly half of SalMar ASA as a gift from his father, Gustav Witzøe. This transfer positioned him as the controlling shareholder, which was done to minimize inheritance tax liabilities. SalMar, founded in 1991, has become a global leader in sustainable aquaculture.

Key Business Strategies

While his father still runs the company, Gustav Magnar has taken on a more strategic investing role. He invests in real estate and tech startups, reflecting a diversified portfolio. He has invested in startups like Gobi, a Snapchat competitor, and Key Butler, which helps Airbnb hosts with key delivery and maintenance. Witzøe is also involved in venture capital.

Philanthropy

In 2021, Witzøe established the W Initiative, a humanitarian foundation supporting projects that enhance the quality of life for children and young people worldwide. The organization focuses on education, health, and equal opportunities.

Career Milestones

2013

Inherited Stake in SalMar ASA

Received a significant share in SalMar ASA from his father, becoming the main shareholder at the age of 20.

2021

Established the W Initiative

Founded a humanitarian foundation focused on improving the quality of life for children and young people.

Philanthropy & Social Impact

Humanitarian

W Initiative

Undisclosed

A humanitarian foundation supporting projects that enhance the quality of life for children and young people worldwide through education, health, and equitable opportunities.

Business Philosophy & Leadership

Notable Quotes

"Knowledge and learning is the most important thing, so coming from my background, where I felt so lucky having a safe upbringing and school having everything, I wanted to try and give more people the same opportunities."

Controversies & Challenges

2012

Reckless Driving Conviction

Convicted of reckless driving for speeding at 116 km/h in a 60 km/h zone, resulting in a two-week prison term.

Billionaires Connected to Gustav Magnar Witzoe

Peers in Food & Beverage

All Food & Beverage billionaires

Richest in Norway

All billionaires from Norway

Adjacent Global Ranks

Full global ranking

Frequently Asked Questions

What is Gustav Magnar Witzoe's net worth in 2026?
As of 2026, Gustav Magnar Witzoe's estimated net worth is $4.523 billion, ranking #966 among the world's billionaires. The estimate is based on publicly available shareholding data and market prices, updated daily.
How did Gustav Magnar Witzoe make their money?
Gustav Magnar Witzoe's wealth primarily comes from Fish farming, most notably through Fish farming.
Where is Gustav Magnar Witzoe from?
Gustav Magnar Witzoe is from Norway.
How old is Gustav Magnar Witzoe?
Gustav Magnar Witzoe is 33 years old.

Sources & References

  1. Gustav Magnar Witzoe — Forbes profile Forbes