Jim Simons' Renaissance Technologies Portfolio: Tech and Healthcare Dominance
Renaissance Technologies' portfolio, as of March 31, 2026, shows significant concentration in Technology and Healthcare sectors, with notable shifts in holdings like NVIDIA and Palantir.

Top Holdings
Renaissance Technologies' portfolio, as of March 31, 2026, is dominated by high-value technology and healthcare stocks. The top holdings by total stock value include:
- NVIDIA Corporation (NVDA): $4.41B (6.9% allocation)
- United Therapeutics Corp (UTHR): $1.06B (1.66% allocation)
- Palantir Technologies Inc (PLTR): $1.02B (1.6% allocation)
- Kinross Gold Corp (KGC): $0.78B (1.22% allocation)
- Micron Technology Inc (MU): $0.73B (1.14% allocation)
- Verisign Inc (VRSN): $0.70B (1.09% allocation)
- Exelixis Inc (EXEL): $0.59B (0.92% allocation)
- FRANCO NEV Corp (FNV): $0.55B (0.86% allocation)
- Sandisk Corp (SNDK): $0.51B (0.79% allocation)
- Apple Inc (AAPL): $0.78B (1.22% allocation)
Sector Allocation
The portfolio demonstrates a clear bias towards Technology and Healthcare sectors:
- Technology: Concentrated in NVIDIA, Palantir, Micron, Verisign, and Apple, accounting for approximately 3.84% of the portfolio value.
- Healthcare: Significant allocation to United Therapeutics and Exelixis, representing about 2.58% of the portfolio.
- Basic Materials: Kinross Gold and Franco Nev Corp make up roughly 2.00% of the portfolio.
- Other: Sandisk Corp's sector is unspecified, but it accounts for about 0.79% of the portfolio.
Recent Changes
Several holdings show significant changes from the previous period:
- Apple Inc (AAPL): Experienced a massive increase in shares (+98320.42%) and shares (+3,072,513), indicating a substantial new position.
- NVIDIA Corporation (NVDA): Shares increased by 189.98% (over 1.65 million shares added), reflecting continued confidence in the stock.
- Palantir Technologies Inc (PLTR): Holdings decreased significantly by 20.58% in shares (-1.81 million shares).
- Micron Technology Inc (MU): Holdings saw a sharp reduction of 28.17% (-848,157 shares).
- FRANCO NEV Corp (FNV): Holdings decreased by 10.46% (-259,200 shares).
Investment Strategy Analysis
Renaissance Technologies' portfolio, managed by Jim Simons, appears to employ a highly selective, quantitative-driven approach focused on technology and healthcare sectors. The fund's strategy likely involves:
- Technology Focus: Heavy allocation to leading tech companies like NVIDIA, Apple, and Micron, suggesting confidence in the sector's growth potential.
- Healthcare Exposure: Significant position in United Therapeutics and Exelixis, indicating a bet on healthcare innovation and biotechnology advancements.
- Commodities Play: Allocation to gold mining companies (Kinross Gold) and energy infrastructure (Franco Nev), suggesting diversification into resource sectors.
- Quantitative Edge: The fund's investment strategy likely relies on sophisticated models to identify mispriced assets, as evidenced by the large position in Apple despite its market cap.
The portfolio's structure suggests a long-term investment horizon with a focus on capturing alpha through concentrated positions in high-growth sectors. The fund's performance likely benefits from its unique quantitative edge and selective investment criteria, targeting opportunities where traditional analysis may fall short.