Investor profile · Q1 2026 13F
Jim Simons’s Portfolio
Founder · Renaissance Technologies
The mathematician (1938–2024) who founded Renaissance Technologies and defined quantitative investing. The firm's 13F reflects model-driven positioning across thousands of names, not discretionary conviction.
Renaissance Technologies held $63.9B across 3,213 highly diversified positions, the signature of a systematic quant manager — the largest holding, United Therapeutics, is just 1.7% of assets, followed by Palantir (1.6%), Apple, Kinross Gold and Micron. Read the full Q1 2026 analysis →
Data source: Renaissance Technologies’s SEC Form 13F-HR filings, most recently filed May 14, 2026. 13F filings disclose long U.S. equity positions only, with up to a 45-day lag. How we process this data →