LeaderPortfolio
Daitch
A
Rank #1586
UNITED STATESfood-beverageCargill

Alexandra Daitch

Net Worth
$2.593B
0% (24h)
Alexandra Daitch, a 63-year-old heiress, is a significant stakeholder in Cargill, the world's largest food company. Her wealth stems from her inheritance of a 3% stake in Cargill, a business founded by her great-great-grandfather, W.W. Cargill, in 1865. Daitch's estimated net worth of $2.6 billion reflects her substantial share in the privately held agricultural and food giant. She resides in Old Lyme, Connecticut, and is among the wealthiest individuals in the United States. The family is known for its private nature, and Daitch, along with her sisters, inherited their wealth from their father, W. Duncan MacMillan, who died in 2006.

How to read Alexandra Daitch'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 Alexandra Daitch, we anchor the narrative to Cargill, Incorporated and Cargill, 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 $2.593B alongside global rank #1586, 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 (UNITED STATES) 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

Alexandra Daitch's wealth is rooted in a legacy of family business and inheritance. She is one of four sisters who inherited a significant stake in Cargill, a company with a long history in the agricultural and food industries. Her great-great-grandfather, William Wallace Cargill, founded the company in 1865, marking the beginning of a family dynasty.

Rise to Success

Alexandra Daitch's path to wealth was shaped by her family's long-standing involvement in Cargill. Following the death of her father, W. Duncan MacMillan, in 2006, she and her sisters each inherited a portion of his assets. This inheritance included a 3% stake in Cargill, positioning them as key shareholders in one of the world's largest privately held companies. The family's ownership has been carefully managed across generations, ensuring the company's continued success and growth.

Key Business Strategies

While Alexandra Daitch's specific business strategies are not publicly detailed, her wealth is directly tied to Cargill's overarching business strategies. Cargill's success has been driven by its diversified portfolio, including agricultural commodities, food processing, and financial services. The company's focus on innovation, global expansion, and sustainability has been central to its growth, ultimately benefiting its shareholders.

Philanthropy

While specific details about Alexandra Daitch's philanthropic endeavors are not readily available in public sources, her family is committed to philanthropic efforts, donating over $110 million in 2025. The family's history suggests a dedication to supporting various causes and communities.

Key Business Ventures & Holdings

CompanyStakeValue
Cargill3.00%

Net Worth History

In-Depth Analysis

Early Life

Alexandra Daitch's wealth is rooted in a legacy of family business and inheritance. She is one of four sisters who inherited a significant stake in Cargill, a company with a long history in the agricultural and food industries. Her great-great-grandfather, William Wallace Cargill, founded the company in 1865, marking the beginning of a family dynasty.

Rise to Success

Alexandra Daitch's path to wealth was shaped by her family's long-standing involvement in Cargill. Following the death of her father, W. Duncan MacMillan, in 2006, she and her sisters each inherited a portion of his assets. This inheritance included a 3% stake in Cargill, positioning them as key shareholders in one of the world's largest privately held companies. The family's ownership has been carefully managed across generations, ensuring the company's continued success and growth.

Key Business Strategies

While Alexandra Daitch's specific business strategies are not publicly detailed, her wealth is directly tied to Cargill's overarching business strategies. Cargill's success has been driven by its diversified portfolio, including agricultural commodities, food processing, and financial services. The company's focus on innovation, global expansion, and sustainability has been central to its growth, ultimately benefiting its shareholders.

Philanthropy

While specific details about Alexandra Daitch's philanthropic endeavors are not readily available in public sources, her family is committed to philanthropic efforts, donating over $110 million in 2025. The family's history suggests a dedication to supporting various causes and communities.

Data Sources & Methodology

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