LeaderPortfolio
Campbell
Linda Campbell
Rank #844
CANADAMedia EntertainmentThomson Reuters

Linda Campbell

Net Worth
$4.968B
-0.24% (24h)
Linda Campbell is a Canadian billionaire and a member of the Thomson family, known for their control of Thomson Reuters, a global media and information giant. As one of the heirs to the family fortune, she shares in the control of Thomson Reuters through her stake in Woodbridge, the family's private holding company, and other assets in the media and telecom industry. Unlike some family members who actively participate in the business, Campbell maintains a low public profile. Her estimated net worth is $5.6 billion.

How to read Linda Campbell's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For Linda Campbell, we anchor the narrative to Thomson Reuters and Thomson Reuters, then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $4.968B alongside global rank #844, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (CANADA) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

Early Life

Not much is publicly known about Linda Campbell's early life. She was born into the wealthy Thomson family, often referred to as the “Thomson billionaires”.

Rise to Success

Linda Campbell is a significant shareholder in Woodbridge, a Canadian investment firm that manages the fortunes of the Thomson family. Woodbridge holds a substantial stake in Thomson Reuters, a leading provider of financial data and news. Her wealth stems from her inheritance and stake in the family's holdings.

Key Business Strategies

Campbell keeps a low profile and is not directly involved in the day-to-day operations of Thomson Reuters. However, her wealth is tied to the success of the company and the strategic decisions made by its leadership.

Philanthropy

Linda Campbell is known for her philanthropic activities, particularly in the areas of healthcare and the arts. She, along with her extended family, established the Campbell Family Mental Health Research Institute at the Centre for Addiction and Mental Health (CAMH) in Toronto. She has also served on the boards of several non-profit organizations, including the Sunnybrook Foundation, Massey Hall, and Roy Thomson Hall.

Philanthropic Impact

Healthcare$XB

Campbell Family Mental Health Research Institute

Established at the Centre for Addiction and Mental Health (CAMH) in Toronto, supporting research into mental illness and new treatments.

Key Business Ventures & Holdings

CompanyStakeValue
Thomson Reuters

Net Worth History

In-Depth Analysis

Early Life

Not much is publicly known about Linda Campbell's early life. She was born into the wealthy Thomson family, often referred to as the “Thomson billionaires”.

Rise to Success

Linda Campbell is a significant shareholder in Woodbridge, a Canadian investment firm that manages the fortunes of the Thomson family. Woodbridge holds a substantial stake in Thomson Reuters, a leading provider of financial data and news. Her wealth stems from her inheritance and stake in the family's holdings.

Key Business Strategies

Campbell keeps a low profile and is not directly involved in the day-to-day operations of Thomson Reuters. However, her wealth is tied to the success of the company and the strategic decisions made by its leadership.

Philanthropy

Linda Campbell is known for her philanthropic activities, particularly in the areas of healthcare and the arts. She, along with her extended family, established the Campbell Family Mental Health Research Institute at the Centre for Addiction and Mental Health (CAMH) in Toronto. She has also served on the boards of several non-profit organizations, including the Sunnybrook Foundation, Massey Hall, and Roy Thomson Hall.

Data Sources & Methodology

Figures for Linda Campbell are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.