According to the latest short selling congestion report from Hazeltree, Chevron (CVX.US) was the largest large cap stock short sold in August, followed by Elon Musk's electric car leader Tesla (TSLA.US) ranking second.

This energy company scored 99 points, rising from second place in July (97 points) to the most crowded securities in the large cap category. The Hazeltree congestion index represents the securities with the highest short sell ratio by funds in the Hazeltree community.

As of August 30, traders short sold 52.13 million shares of Chevron stock, accounting for 2.85% of outstanding shares.

Tesla followed closely with a score of 97, followed by On Semiconductor (ON.US), Super Micro Computer (SMCI.US), and Accenture (ACN.US), all scoring 88 points.

Super Micro Computer was the most crowded security in this category in July, ranking fourth this time, but with the highest institutional supply utilization rate at 31.86%, which is an 'hot' indicator of the security's supply and demand dynamics.

As of August 30th, Super Micro Computer has 8.76 million shares of short sell rights, accounting for 15.66% of the outstanding shares.