Key Takeaways
- • Glen Scheinberg's index-rebalancing trading team at Millennium Partners—known as SRBL—has generated billions of dollars in profits and is considered the dominant player in a strategy that has grown significantly in recent years.
- • Bloomberg terminal searches for Scheinberg spiked to 1,300 in one afternoon in June 2022, reflecting intense hedge-fund industry speculation about the team's fate following severe losses in the index-rebalancing trade complex.
- • The index-rebalancing strategy suffered substantial losses in the lead-up to the late-June 2022 Russell index reshuffling, triggering market-wide carnage in a crowded trade that has attracted numerous copycat strategies.
- • Industry participants speculated about potential massive losses at Scheinberg's team and rumors circulated regarding his possible departure from Millennium Partners, signaling concerns about the viability of the strategy and the firm's most profitable unit.
Summary
Scheinberg's team, known as SRBL after the initials of its founders, has established itself as the preeminent player in index-rebalancing trading, a strategy that bets on which stocks will be added to or removed from major indexes. The team has minted billions of dollars for Millennium Partners, with performance strong enough to spawn numerous copycat efforts across the hedge-fund industry as competitors sought to replicate the strategy's profitability.
However, the index-rebalancing trade deteriorated sharply in the months preceding the annual late-June reshuffling of the Russell indexes. The strategy, which had surged in popularity in recent years, experienced severe losses during this period, unleashing a wave of concern across the industry. The fallout generated widespread speculation about the magnitude of Scheinberg's team's losses and fueled rumors that he might depart Millennium Partners. The carnage in the index-rebalancing complex—a crowded trade populated by numerous hedge funds betting on similar positioning—highlighted the risks inherent in strategies that attract significant capital flows and copycat participation.
The episode underscored the fragility of crowded trades and raised questions about the sustainability of index-rebalancing as a dominant profit center for Millennium Partners. For institutional investors and hedge-fund managers, the situation illustrated the operational and reputational risks associated with concentrated exposure to a single strategy, particularly when market dislocation strikes a crowded positioning.
Go deeper than the headline
Research every firm in this story, track the ones that matter and get the daily briefing — free for 7 days.