NRG ENERGY INC — institutional ownership

6 funds reported holding NRG ENERGY INC in their latest 13F filings, worth $83.0M in total (CUSIP 629377908).

Largest holders

1. IMC-Chicago, LLC — $37.5M
2. GROUP ONE TRADING LLC — $22.9M
3. SEGRA CAPITAL MANAGEMENT, LLC — $9.57M
4. SIMPLEX TRADING, LLC — $8.22M
5. HRT FINANCIAL LP — $2.69M
6. Capricorn Fund Managers Ltd — $2.14M