Prop trading firms, or proprietary trading firms, trade financial instruments with their own capital. Here is list of prop trading firms
1. Jane Street - Known for quantitative trading and advanced technology.

2. Optiver - Specializes in market making and electronic trading.

3. Citadel Securities - Offers diverse trading strategies and robust risk management.

4. DRW - Focuses on innovation and varied trading approaches.

5. Susquehanna International Group (SIG) - Known for options trading and comprehensive training programs.
These firms provide traders with capital, training, and cutting-edge tools, enabling them to excel in various financial markets while sharing in the profits.