A decade ago, Millennium Management managed $21.1 billion and had 18 senior people — all a part of the executive committee — listed on its website.
Now the $64 billion multistrategy manager has 47 names on its leadership page split among divisions like the relatively new Office of the CIO.
The expansion of the top layer of the firm is a prime example of the institutionalization of the 35-year-old manager. Roles that a single person once handled have been divvied up across several executives. Izzy Englander — the billionaire founder atop the behemoth — has relinquished the role of chief investment officer, giving him more time to wear his chief-executive hat.
The 75-year-old founder hasn't addressed retirement or succession plans but has built an apparatus capable of continuing without him.
"I believe that Millennium is far too large and intricate for a single individual to manage," Englander wrote in a letter to investors in February. "In building out our leadership team, I have sought to replicate the focus and oversight I had of the firm in its early days, but on a larger scale."
Despite the assets they manage, hedge funds are typically lighter on people than their peers on the sell side or at retail asset managers like Fidelity or BlackRock. Executive teams are often just a firm's founder and a few trusted lieutenants.
Millennium, though, has become one of the most expansive hedge funds, in both head count and strategy breadth. To keep the machine running smoothly, the New York-based manager has had to build out a state-of-the-art risk, technology, and operations team — as well as a management layer to keep it all together.
Even compared with four years ago — just before COVID-19 sent global markets into disarray and solidified the sturdiest multimanagers as must-haves for many large allocators — Millennium's top brass has expanded. The Office of the CIO was created after Bobby Jain, a former co-chief investment officer, left in 2022, the same year Ajay Nagpal became the firm's president.
The fixed-income and commodities units have been split into separate businesses, each led by an executive. Last month, a second executive, Michael Chung, was placed atop the firm's equities franchise, which had doubled its number of investment teams, to more than 200, since Peter Santoro took over in 2017.
There are now roughly 5,600 employees spread across 17 "primary" offices — a reason business-development pros have become a hot commodity in the hedge-fund world.
Millennium declined to comment. The story continues below the org chart. See the second tab for a breakdown of the firm's core leadership teams.
Izzy extensions
In a 2023 letter to investors, the billionaire founder laid out how he viewed the firm's structure. He wrote that "the Millennium of today might appear to the casual observer utterly different from the firm I founded all those years ago."
"But when you look deeply at the core principles that drive our success, you'll see that on that front we have altered very little," he said.
The investment structure is set up in three layers: "portfolio management teams making investment decisions, trading management, who provide oversight of investment operations, and finally the firm, which looks after the wider interests of the organization and, crucially, the interests of you, our investors."
As PMs got more advanced and numerous, so too did the trading-management layer.
"I think of these management layers as extensions of myself," he wrote.
The structure is also meant to give the heads of the investment verticals the autonomy to run their unit as they see fit, provided they stay within the firm's risk limits. A recent Bloomberg story described the firm's burgeoning commodities unit as feeling constrained by these limits, but the risk controls have been a significant driver in the firm's decades of success.
Still, portfolio managers are given the ability to pursue their strategies as they see fit, a key difference from the more centralized, factor-driven models that peers run.
Can't stand still
Executives are not often poached by rivals like Citadel and Point72, but there is still some turnover. Many departures from the firm's top level have been executives launching their own funds or joining Millennium colleagues starting their own funds.
Jain is starting his own manager; he recruited Stephen Haratunian, Millennium's former head of enterprise risk, to be his chief risk officer. Michael Gelband and Hyung Lee, who once ran fixed income and equities, respectively, brought the business-development pro Peter Hornick and the risk executive Dev Joneja with them when they launched ExodusPoint. Kurt Baker and Jonathan Xiong are launching their own funds in Asia after stints in the firm's leadership.
The ultracompetitive nature of the industry means Englander will always be looking to expand.
"We cannot afford to stand still if we wish to continue the responsible and orderly growth of the organization, to embed excellence at all levels of our operations, and to continue to attract and support the industry's best talent with the tools they need to succeed," he wrote in 2023.
