DIAMONDBACK ENERGY INC — institutional ownership

7 funds reported holding DIAMONDBACK ENERGY INC in their latest 13F filings, worth $138M in total (CUSIP 25278X909).

Largest holders

1. GROUP ONE TRADING LLC — $48.5M
2. IMC-Chicago, LLC — $39.2M
3. Optiver Holding B.V. — $22.9M
4. JPMORGAN CHASE & CO (JPM, AMJB, VYLD, JPM-PC, JPM-PD, JPM-PJ, JPM-PK, JPM-PL, JPM-PM) — $20.1M
5. SIMPLEX TRADING, LLC — $6.79M
6. HRT FINANCIAL LP — $544K
7. SG Americas Securities, LLC — $187K