Investors

Warren Buffett’s holding company (Greg Abel became CEO in 2026; Buffett is chairman). Long-term value investing in a few large US companies.

The macro hedge fund Ray Dalio founded. Its 13F is broad: index funds and many large caps.

The quantitative fund Jim Simons founded. Computer models trade thousands of stocks.

Ken Griffin’s multi-strategy hedge fund. Many teams, many positions, high turnover.

A quantitative fund run on data and models, founded by John Overdeck and David Siegel.

Chase Coleman’s fund: growth investing, mostly in technology and internet companies.

Philippe Laffont’s technology-focused fund, public and private companies.

Bill Ackman’s activist fund: a handful of large, concentrated positions held for years.

David Tepper’s fund, known for big contrarian bets in stocks and credit.

Stanley Druckenmiller’s family office: macro views expressed through a concentrated stock book.

The Soros family office (George Soros founded it; Alex Soros chairs it). Macro and stock investing.

Dan Loeb’s activist fund: pushes companies to change, alongside event-driven trades.

Andreas Halvorsen’s long/short equity fund, built on company research.

The long/short equity fund Stephen Mandel founded, focused on growth companies.

The quantitative and multi-strategy firm David E. Shaw founded.

Seth Klarman’s value fund: buys out-of-favour assets cheaply and holds a lot of cash when it can’t.

Carl Icahn’s activist stakes (he files the 13F in his own name), often large enough to win board seats.

Israel Englander’s multi-manager fund: hundreds of trading teams, each with tight risk limits.

Steve Cohen’s firm: many long/short stock teams plus macro and quant books.

Paul Singer’s firm, one of the largest activist investors: takes stakes and pushes boards for change.

Jeff Smith’s activist fund: pushes companies to cut costs, sell units or change the board.

A quieter activist: a few large stakes, working with management, often with a board seat.

Nelson Peltz’s activist fund, focused on large consumer and industrial companies.

Cathie Wood’s ETF manager, investing in disruptive technology: AI, robotics, genomics, crypto.

Terry Smith’s fund: own good companies, don’t overpay, do nothing. Few trades, long holds.

The fund Chuck Akre founded: a few compounding businesses held for many years.

An insurer run like a small Berkshire: Tom Gayner built its stock portfolio for the long term.

Prem Watsa’s insurance group, investing its float in value stocks and bonds.

Li Lu’s value fund, long backed by Charlie Munger: very few positions, held for years.

Lee Ainslie’s long/short equity fund, one of the original “Tiger cubs”.

Howard Marks’s firm, best known for credit and distressed debt; the 13F shows its stock side.

A value manager run by a team since 1930: low turnover, large positions.

The firm behind the Oakmark funds: value investing in US and global stocks.

Ken Fisher’s firm, managing money for private clients across many large US stocks.

The trust holding the Gates Foundation’s endowment, with a large Berkshire Hathaway stake.

Paul Tudor Jones’s macro fund: trades interest rates, currencies and stocks around big themes.

Cliff Asness’s quantitative firm: factor investing (value, momentum, quality) across thousands of stocks.

Brad Gerstner’s technology fund, public and private companies.

Dan Sundheim’s fund: long/short stocks plus private companies.

Alex Sacerdote’s technology-focused growth fund.

Henry Ellenbogen’s growth fund: long holds in companies growing for years.

David Abrams’s value fund: concentrated, patient, often contrarian.

Tom Russo’s firm: global consumer brands held for decades.

The Edinburgh partnership behind Scottish Mortgage: long-term growth investing.

Larry Robbins’s fund, known for large healthcare positions.

One of the oldest value firms, in Benjamin Graham’s tradition: cheap stocks, many of them outside the US.

The manager of the Sequoia Fund, which opened with Warren Buffett’s blessing in 1970.

Joel Greenblatt’s firm, run on his “magic formula”: good businesses at cheap prices, many positions.

John Paulson’s firm, famous for betting against subprime in 2007; a family office since 2020.

Mohnish Pabrai’s funds (they file as Dalal Street, LLC): a few deep-value bets, often outside the US.