Brandon Haley Net Worth 2026: Holocene Advisors Hedge Fund Founder

No reputable outlet has published an estimate of Brandon Haley's net worth. The $18 million figure this page showed before had no source and has been removed. Haley is the founder of Holocene Advisors, a New York hedge fund that launched in 2017 with about $1.5 billion, one of the largest debuts of that year, and grew to $5.3 billion within two and a half years, according to Bloomberg. Before that he ran Citadel's global equities business for a decade.

What is Brandon Haley's net worth?

Hedge fund founders earn management fees on the money they run and a share of investment profits, and they usually keep large sums of their own in their funds. None of those amounts is public for Haley. Holocene is a private firm, and neither Forbes nor Bloomberg has estimated his fortune. We therefore do not give a figure.

There are clues that his wealth is well above the old estimate. Business Insider reported before the 2017 launch that Haley was expected to put a significant investment of his own capital into the fund, and later that he was putting a significant amount of his net worth into it. A founder who can seed a $1.5 billion fund with meaningful personal money, and who then ran a firm managing several billion dollars, is unlikely to be worth only $18 million. How much more, nobody outside the firm can say.

Where the money comes from

Citadel, 2005 to 2015

Haley led Citadel's Global Equities unit from 2005 to 2015, according to Business Insider, making him one of the senior stock investors at Ken Griffin's firm. Citadel has produced many hedge fund founders; Business Insider groups Holocene with Woodline Partners and Alyeska Group as some of the best-known Citadel spin-offs.

Holocene Advisors

Haley set up Holocene Advisors after leaving Citadel, and it started trading on April 3, 2017. Key points from press coverage:

• Launch size: about $1.5 billion, roughly $500 million more than expected a month earlier. Business Insider reported four separate $200 million commitments, two of which Bloomberg said came from Goldman Sachs Asset Management and BlackRock.
• Strategy: a stock-picking long-short approach, initially focused on consumer, industrials, and technology, media and telecommunications companies.
• Office and staff: based north of Madison Square Park in New York, with 24 employees at launch.
• Closed to new money: Business Insider reported in June 2017 that the firm would stop taking new capital, even from existing investors, on July 1, when it was expected to manage about $2 billion.
• Growth: Bloomberg reported in December 2019 that assets had tripled to $5.3 billion and that Holocene kept a waiting list of investors while taking in money only occasionally.

In SEC ownership filings, the firm is listed as a registered investment adviser, with J. Brandon Haley as its control person. Business Insider noted in 2023 that its portfolio ranged from Google to Procter & Gamble and Sherwin-Williams.

Performance

Recent changes (2025-2026)

2026 has been a hard year for Holocene. Business Insider reported in September 2026 that market-neutral stock-picking funds were struggling in a market driven largely by enthusiasm for artificial intelligence, and that Holocene was down more than 5% for the year. Holocene did not respond to requests for comment. For a founder, a losing year matters twice: performance fees shrink, and the value of his own capital in the fund falls.

The firm has also developed younger talent. Institutional Investor named Holocene's Ben Abrams, who leads its global internet, media, telecommunications and fintech team, one of its 2023 Hedge Fund Rising Stars.

Personal life

Haley keeps a low profile and has given few interviews. SEC filings list his full name as J. Brandon Haley and his citizenship as American. The previous version of this page named a wife, listed a chemical engineering degree from McGill University, and gave his age, height and weight. We could not confirm any of those details from a reliable source, and they have been removed along with an invented income table. The old page also described him as still working at Citadel, which has not been true since 2015.

Net worth compared

Other finance and business profiles on this site include Brad Greiwe, a venture investor, Cameron Herold and Bush Helzberg. Hedge fund founders like Haley usually hold most of their wealth inside their own funds, which makes it rise and fall with performance.

Why there is no reliable figure

Hedge fund economics are private. Holocene's fee terms, profits and Haley's ownership share are not disclosed, and assets under management change with markets and investor flows. Without that information, a precise number for his net worth cannot be supported. The public record shows a Citadel veteran who raised one of 2017's biggest hedge fund launches and ran billions of dollars afterward.