Kenneth Griffin Overview

  • Investor Type
  • Angel

  • Investments
  • 10

  • Portfolio
  • 8

  • Exits
  • 1

Exits

Kenneth Griffin General Information

Description

Mr. Kenneth Griffin is the Founder and serves as Chief Executive Officer & Co-Chief Investment Officer at Citadel Enterprise Americas. Mr. Griffin is the Founder, Owner & serves as Chairman at Citadel Securities. He is an Angel Investor. A passionate philanthropist, Ken has donated more than $2 billion to advance education, opportunity, and health sciences initiatives that significantly transform people's lives. Intrigued by finance from a young age, Ken began investing in 1986 from his Harvard dorm room. The following year, he launched a small hedge fund that utilized emerging quantitative analytics to inform investment decision-making. In 1990, a year after graduating, he founded Citadel. Ken founded Citadel on the belief that extraordinary individuals, equipped with advanced quantitative analytics and powerful software, could unlock opportunities in the world's capital markets. A commitment to continuous learning, problem-solving, and meritocracy defines the firm's culture. Citadel is routinely ranked among the best places to work, and the firm's focus on advancing the careers of its team members is renowned on Wall Street. Today, Citadel's team of more than 3,000 professionals manages over $60 billion in investment capital. Citadel is recognized as one of the world's most profitable hedge funds. The Citadel team has delivered extraordinary results for pension plans, university endowments, hospital systems, foundations, and research institutions that deliver meaningful impact for society, from curing cancer with immunotherapy to making scientific breakthroughs in particle physics. In 2002, Ken and his partners established Citadel Securities as a market maker in the United States capital markets. Today, Citadel Securities is one of the world's largest liquidity providers, serving more than 1,600 institutional clients, including many of the world's largest central banks and sovereign wealth funds. Citadel Securities is recognized as a market leader in empowering clients to reach their investment goals and has proved transformative in enhancing competition in capital markets worldwide. Ken's decades of philanthropic involvement reflect the same strategic mindset that has contributed to his business success. Now advanced through Griffin Catalyst, Ken's contributions have expanded access to education at all levels for millions of Americans, transformed research and medical institutions with historic gifts, and strengthened our cultural institutions. Ken's insights were instrumental in the launch of Operation Warp Speed's accelerated COVID-19 vaccine development and deployment strategies. Ken holds an A.B. '89 with Honors in Economics from Harvard College.

Business Details

Primary Investor Type
Angel (individual)
Corporate Office
  • Chicago, IL
  • United States

Kenneth Griffin Investments (10)

Company Name Deal Date Deal Type Deal Size Industry Company Stage Lead Partner
Pacific Fusion 06-Mar-2025 Early Stage VC Alternative Energy Equipment Generating Revenue
X Energy (USA) 24-Jan-2025 Alternative Energy Equipment Generating Revenue
DayOne (Systems and Information Management) 01-Jan-2025 Systems and Information Management Generating Revenue
Ignite Reading 17-Jan-2023 Educational and Training Services (B2C) Generating Revenue
Turion Space 05-Dec-2022 Aerospace and Defense Generating Revenue
SkinIO 01-Jul-2022 Decision/Risk Analysis Generating Revenue
GloriFi 01-Jan-2022 Financial Software Out of Business
Cohesion (Business/Productivity Software) 23-Jul-2021 Business/Productivity Software Generating Revenue
Cohesion (Business/Productivity Software) 15-Jul-2020 Seed Round Business/Productivity Software Generating Revenue
Medici 27-Apr-2020 Early Stage VC Clinics/Outpatient Services Generating Revenue

Kenneth Griffin Exits (1)

Company Name Exit Date Exit Type Exit Size
GloriFi 21-Nov-2022

Kenneth Griffin Investments by Industry, Year, and Region

Investments by Industry

Investments by Year

Investments by Region

PitchBook’s data visualizations quickly surface an investor’s historical investments—showing a breakdown of activity by industry, year and region.

Kenneth Griffin Co-Investors (76)

Name With Exits Lead Partner Series Industry
Alumni Ventures 2 Series chart Industry bar
General Catalyst Series chart Industry bar
Hellman & Friedman Series chart Industry bar
Morgan Stanley Series chart Industry bar
NGP Energy Capital Management Series chart Industry bar

Kenneth Griffin FAQs

  • Who is Kenneth Griffin?

    Kenneth Griffin is an angel Investor who has made 10 investments.

  • What kind of investor is Kenneth Griffin?

    Kenneth Griffin is an angel investor.

  • What does Kenneth Griffin do?

    As an angel investor, Kenneth Griffin invests personal money into promising companies, typically in exchange for equity.

  • What has Kenneth Griffin invested in?

    Kenneth Griffin has made numerous investments in companies like Pacific Fusion, X Energy (USA), and DayOne (Systems and Information Management) within the Alternative Energy Equipment and Systems and Information Management industries.

  • What has Kenneth Griffin invested in recently?

    Kenneth Griffin's latest investment was on 06-Mar-2025 in Pacific Fusion, a company within the Alternative Energy Equipment industry.

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