Jim Simons - Renaissance Technologies LLC Investment Strategy (Sep 30, 2025)

As of Sep 30, 2025, the Renaissance Technologies LLC portfolio managed by Jim Simons demonstrates a sophisticated investment approach with 3621 positions and an average holding period of 397 quarters. The strategy focuses on Basic Materials, Communication Services, Consumer Cyclical, Consumer Defensive, Energy, Energy and Utilities, Financial Services, Healthcare, Industrials, Real Estate, Technology, Utilities sectors with a typical position size of 0.1% of the portfolio.

The portfolio's risk management approach includes a maximum position size of 0.05% and sector diversification of 12%, exemplified by the case study of PALANTIR TECHNOLOGIES INC (PLTR). This strategic framework provides insights into Jim Simons's investment philosophy, risk management practices, and long-term value creation approach.

Key metrics revealing investment style, risk management, and performance characteristics

Metric	Value	Category	Description
Holding Period	1.1 years	Style	Average duration positions are maintained
Position Count	3621	Style	Number of active positions in portfolio
Position Size	0.1%	Risk	Typical allocation per position
Win Rate	54.7%	Performance	Percentage of profitable positions
Average Return	99.2%	Performance	Mean return across positions
Sharpe Ratio	0.06	Performance	Return per unit of risk taken

Investment Case Study: PALANTIR TECHNOLOGIES INC (PLTR)

6/30/2021 - 12/26/2025

Total Return: 93,372.32%

Holding Period: 1640 days

Max Position Size: $1,840,598,254.00

Position Weight: 1.13%

6/30/2021: ENTRY(800,400.00 shares) @ $0.03

9/30/2021: INCREASE(12,159,128.00 shares) @ $0.02

12/31/2021: INCREASE(1,696,483.00 shares) @ $0.02

3/31/2022: DECREASE(-2,141,164.00 shares) @ $0.01

6/30/2022: INCREASE(15,689,300.00 shares) @ $0.01

9/30/2022: INCREASE(4,925,900.00 shares) @ $0.01

12/31/2022: INCREASE(9,870,113.00 shares) @ $0.01

3/31/2023: DECREASE(-2,386,403.00 shares) @ $0.01

6/30/2023: DECREASE(-814,600.00 shares) @ $0.02

9/30/2023: INCREASE(3,805,496.00 shares) @ $0.02

12/31/2023: DECREASE(-13,227.00 shares) @ $0.02

3/31/2024: INCREASE(3,763,791.00 shares) @ $0.02

6/30/2024: DECREASE(-7,839,908.00 shares) @ $25.33

9/30/2024: DECREASE(-1,096,069.00 shares) @ $37.20

12/31/2024: DECREASE(-15,629,431.00 shares) @ $75.63

3/31/2025: DECREASE(-6,499,936.00 shares) @ $84.40

6/30/2025: DECREASE(-2,787,827.00 shares) @ $136.32

9/30/2025: DECREASE(-4,936,171.00 shares) @ $182.42

Entry Context: Initial position established based on fundamental analysis

Sector Conditions: Favorable market conditions in the sector

Risk Factors: