A hedge fund is a pooled investment fund that holds liquid assets and that makes use of complex trading and risk management techniques to improve investment performance and insulate returns from market risk. Among these portfolio techniques are short selling and the use of leverage and derivative instruments. In the United States, financial regulations require that hedge funds be marketed only to institutional investors and high-net-worth individuals.
Renaissance Technologies LLC, also known as RenTech or RenTec, is an American hedge fund based in East Setauket, New York, on Long Island, which specializes in systematic trading using quantitative models derived from mathematical and statistical analysis. Their signature Medallion fund is famed for the best record in investing history. Renaissance was founded in 1982 by James Simons, a mathematician who formerly worked as a code breaker during the Cold War.
Man Group plc is an active investment management business listed on the London Stock Exchange. It provides investment funds in liquid and private markets for institutional and private investors. It is the world's largest publicly traded hedge fund company, reporting $161.2 billion in funds under management as of September 2023. The firm is headquartered at Riverbank House in London and employs over 1,600 people in various locations. The company was a sponsor of the Man Booker Prize from 2002 to 2019.
Citadel LLC is an American multinational hedge fund and financial services company. Founded in 1990 by Ken Griffin, it has more than $62 billion in assets under management as of December 2022. The company has over 2,600 employees, with corporate headquarters in Miami, Florida, and offices throughout North America, Asia, and Europe. Founder, CEO and Co-CIO Griffin owns approximately 85% of the firm. As of December 2022, Citadel is the most successful hedge fund of all time, posting $65.9 billion in net gains since inception in 1990.
Sculptor Capital Management is an American global diversified alternative asset management firm. They are one of the largest institutional alternative asset managers in the world.
A quantitative fund is an investment fund that uses quantitative investment management instead of fundamental human analysis.
Magnetar Capital is a hedge fund based in Evanston, Illinois. The firm was founded in 2005 and invests in fixed-income, energy, quantitative, and event-driven strategies. The firm was actively involved in the collateralized debt obligation (CDO) market during the 2006–2007 period. In some articles critical of Magnetar Capital, the firm's arbitrage strategy for CDOs is described as the "Magnetar trade".
Clifford Scott Asness is an American hedge fund manager and the co-founder of AQR Capital Management. According to an April 2020 Forbes profile, Asness' estimated net worth was $2.6 billion.
Winton Group, Ltd is a British investment management firm founded by David Harding. In the United States, Winton is registered with the Securities and Exchange Commission as an investment advisor and with the Commodity Futures Trading Commission as a CTA, and is authorised by the Financial Conduct Authority in the UK. The company trades on more than 100 global futures markets in a wide variety of asset classes and on global equity markets. The firm was launched with $1.6 million in 1997, reached a peak of $28.5 billion in assets under advisement, before dropping to $7.3 billion by late 2020. Winton Group has six offices around the world: London, New York, Hong Kong, Shanghai, Sydney, and Abu Dhabi.
Cantab Capital Partners is a hedge fund based in Cambridge, England, co-founded by Dr. Ewan Kirk and Erich Schlaikjer. Cantab operates quantitative funds using computer models to drive investment decisions. As of Feb 2015 Cantab had $4.5 billion in assets under management, after launching with $30 million in 2006. The firm takes its name from Cantabrigia, the medieval Latin name for Cambridge. It is regulated in the UK by the Financial Conduct Authority. Cantab Capital Partners was acquired by GAM in 2016 and is since part of GAM Systematic.
Millennium Management is an investment management firm with a multistrategy hedge fund offering. In 2023, it was one of the world's largest alternative asset management firms with over $58.9 billion assets under management as of June 2023. The firm operates in America, Europe and Asia. As of 2022, Millennium had posted the fourth highest net gains of any hedge fund since its inception in 1989.
SAC Capital Advisors was a group of hedge funds founded by Steven A. Cohen in 1992. The firm employed approximately 800 people in 2010 across its offices located in Stamford, Connecticut and New York City, and various offices. It reportedly lost many of its traders in the wake of various investigations by the Securities and Exchange Commission (SEC). In 2010, the SEC opened an insider trading investigation of SAC and in 2013 several former employees were indicted by the U.S. Department of Justice. In November 2013, the firm itself pleaded guilty to insider trading charges and paid $1.2 billion in penalties. The firm shrank after returning the vast majority of its outside investor capital. Point72 Asset Management was established as a separate family office in 2014. SAC ceased to exist as a separate entity in 2016.
Quantedge Capital is an alternative investment asset manager based in Singapore and New York City. It manages over US$2 billion under its flagship Quantedge Global Fund primarily on behalf of high-net-worth individuals, family offices and institutions.
WorldQuant, LLC is an international hedge fund and quantitative investment management firm headquartered in Old Greenwich, Connecticut. Founded in 2007, the firm is currently managing approximately $9 billion in assets under management for Millennium Management via quantitative trading and other methods of quantitative investing. WorldQuant operated the WorldQuant Challenge, where participants compete in the field of quantitative finance, and WorldQuant Accelerator, an independent portfolio manager platform. In 2015 the WorldQuant Foundation launched WorldQuant University.
Melvin Capital Management LP was an American investment management firm based in New York City. It was founded in 2014 by Gabriel Plotkin, who named the firm after his late grandfather.
Citadel Securities LLC is an American market making firm headquartered in Miami. It is one of the largest market makers in the world, and is active in more than 50 countries. It is the largest designated market maker on the New York Stock Exchange. Citadel Securities is a separate entity from the hedge fund Citadel LLC, although both were founded and are majority owned by American hedge fund manager Kenneth C. Griffin. Citadel Securities is expected to eventually move its headquarters from Chicago to Miami, having bought land there to build its new headquarters.
Dymon Asia is an Asia-focused investment management firm based in Singapore. It is considered one of the largest hedge funds in Singapore and Asia.
Schonfeld Strategic Advisors is an American hedge fund based in New York City. Formed in 2015, Schonfeld continues the business that Steve Schonfeld established in 1988 – a family office pioneering in short-term, systematic and algorithmic trading.
BFAM Partners (BFAM) is a hedge fund management firm based in Hong Kong. The firm focuses on investments in China and is known for investing in high-yield property debt as well as distressed securities.
Voloridge Investment Management (Voloridge) is an American quantitative investment management firm based in Jupiter, Florida. The firm makes use of big data and machine learning in its trading strategies.
