LeaderPortfolio
family
H
Rank #345
UNITED STATESFood & BeverageAgriculture

Harry Stine & family

Net Worth
$9.891B
0% (24h)
Harry Stine, the founder of Stine Seed Company, is an 84-year-old American businessman and entrepreneur who made his fortune in agriculture. He is the wealthiest person in Iowa, with a net worth of $9.9 billion. Stine's career began with a focus on soybean genetics and led to the creation of the world's largest private seed company. His focus on research and innovation, including licensing corn and soybean genetics to major agribusiness corporations, has significantly contributed to the advancement of agricultural productivity. Stine, who is dyslexic and moderately autistic, is known for his modest lifestyle and his dedication to his family and community, including supporting education and local institutions.

How to read Harry Stine & family'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 Harry Stine & family, we anchor the narrative to Agriculture and Agriculture, 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 $9.891B alongside global rank #345, 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 and Education

Harry H. Stine was born in Adel, Iowa, in 1941/1942. His family had deep agricultural roots, with his great-grandparents establishing a farm in 1871. Stine graduated from Central Dallas High School and then McPherson College in Kansas with a degree in crop science.

Rise to Success

In 1964, Stine joined his father's soybean cleaning business, Stine Seed Farm. His interest in seed breeding was sparked by observing high-yielding soybean plants, leading him to start a soybean breeding program the same year. In the 1970s, he founded the first private soybean research and development company in the United States, Improved Variety Research (IVR). Stine launched retail soybean seed sales under his own label, Stine Soybean Seeds, in 1979. He made his fortune by licensing soybean and corn genetics to large multinational corporations like Syngenta and Monsanto.

Key Business Strategies

Stine Seed Company became the world's largest private seed company, with over 800 patents. Stine's company has operations in 14 different countries. Stine's strategy involved a focus on research, innovation in genetics, and licensing high-yield seed varieties, significantly impacting global agriculture and crop productivity. His company has developed high-density corn varieties and has the broadest lineups of Enlist E3 soybeans.

Philanthropy

Stine established the Stine Family Foundation, which supports charitable causes, including education, healthcare, and community development. He has donated to educational institutions and supports healthcare initiatives.

Career Timeline

1990s

Licensing Deals

Struck lucrative licensing deals with large multinational corporations for soybean and corn genetics.

1979

Launched Retail Soybean Seed Sales

Began selling soybean seed under the Stine Soybean Seeds label.

1970s

Founded Stine Seed Company

Founded the first private soybean research and development company in the United States

1964

Joined Stine Seed Farm

Joined his father's soybean cleaning business.

Philanthropic Impact

Philanthropy & Grantmaking$19.9M (Total assets)

Stine Family Foundation

Supports various charitable causes, including education, healthcare, and community development.

Net Worth History

In-Depth Analysis

Early Life and Education

Harry H. Stine was born in Adel, Iowa, in 1941/1942. His family had deep agricultural roots, with his great-grandparents establishing a farm in 1871. Stine graduated from Central Dallas High School and then McPherson College in Kansas with a degree in crop science.

Rise to Success

In 1964, Stine joined his father's soybean cleaning business, Stine Seed Farm. His interest in seed breeding was sparked by observing high-yielding soybean plants, leading him to start a soybean breeding program the same year. In the 1970s, he founded the first private soybean research and development company in the United States, Improved Variety Research (IVR). Stine launched retail soybean seed sales under his own label, Stine Soybean Seeds, in 1979. He made his fortune by licensing soybean and corn genetics to large multinational corporations like Syngenta and Monsanto.

Key Business Strategies

Stine Seed Company became the world's largest private seed company, with over 800 patents. Stine's company has operations in 14 different countries. Stine's strategy involved a focus on research, innovation in genetics, and licensing high-yield seed varieties, significantly impacting global agriculture and crop productivity. His company has developed high-density corn varieties and has the broadest lineups of Enlist E3 soybeans.

Philanthropy

Stine established the Stine Family Foundation, which supports charitable causes, including education, healthcare, and community development. He has donated to educational institutions and supports healthcare initiatives.

Data Sources & Methodology

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