Two Sigma Raises the Bar After AI-Supercharged Intern Class Finishes Projects Weeks Early

Two Sigma's 2025 intern class of 82 mathematically elite students blew past expectations, with a majority completing their core projects weeks ahead of schedule — a first for the $80 billion quantitative hedge fund. The surplus time allowed interns to tackle so-called stretch goals, additional tasks beyond their primary assignments. The firm attributes the productivity surge largely to deliberate AI training: this year's onboarding included dedicated large language model sessions led by senior leaders, a new addition to a program that has run since 2009.

The results are now reshaping how Two Sigma thinks about hiring. Evan Anger, the firm's head of talent acquisition, says AI has effectively "leveled the playing field" on coding and mathematical aptitude — skills that have historically served as the primary filter for quant-fund recruiting. Going forward, the firm is placing heavier emphasis on judgment and communication, qualities that were previously considered executive-level competencies. The logic: interns who can effectively direct AI tools are essentially managing their own junior employee, demonstrating leadership instincts far earlier in their careers than prior generations could.

That doesn't mean Two Sigma is abandoning its hard-skills requirements. The firm still demands candidates who understand what's happening beneath the surface of the tools they use — the worry being that someone who can't audit AI-generated code or models is a liability, not an asset. But campus interviews are shifting to become more personal and probing, with less weight placed on pure technical demonstration.

The stakes are high. Two Sigma, founded in 2001 by former D.E. Shaw quants John Overdeck and David Siegel, competes for talent not just against rival hedge funds but against frontier AI labs and well-funded Silicon Valley startups that can match Wall Street compensation — a rare feat in corporate America. The firm extended full-time offers to 85% of recently graduated interns from the latest cohort, leaning on its one-on-one mentorship structure as a differentiator. The internship has already produced more than 200 of the firm's 1,700 employees, including eight managing directors, making it a critical long-term talent pipeline.