Shares shorted have increased from 19.05M to 20.82M over the last month, an increase which represents about 2.04% of the company's float of 86.76M shares. Days to cover ratio at 5.7 days.

2. MannKind Corp. ( MNKD): Focuses on the discovery, development, and commercialization of therapeutic products for diabetes and cancer.

Market cap at $1.09B, most recent closing price at $3.76. Float short: 19.49%.

Net institutional purchases in the current quarter at 13.2M shares, which represents about 8.67% of the company's float of 152.29M shares.

Shares shorted have increased from 32.13M to 40.10M over the last month, an increase which represents about 5.23% of the company's float of 152.29M shares. Days to cover ratio at 9.4 days.

3. Penn Virginia Corporation ( PVA): Engages in the exploration, development, and production of natural gas and oil in various domestic onshore regions of the United States, including Texas, Appalachia, the Mid-Continent, and Mississippi.

Market cap at $226.28M, most recent closing price at $4.10.  Float short: 18.87%. 

Net institutional purchases in the current quarter at 11.9M shares, which represents about 21.9% of the company's float of 54.35M shares.

Shares shorted have increased from 9.39M to 10.34M over the last month, an increase which represents about 1.75% of the company's float of 54.35M shares. Days to cover ratio at 6.55 days.

( List compiled by RYAN HORCH and REBECCA LIPMAN, KAPITALL Editors)

null

If you liked this article you might like

Forest Oil (FST) Stock Is Flat in After-Hours Trading Today Following Earnings Beat

Forest Oil (FST) Is Strong On High Volume Today

Weak On High Volume: Forest Oil (FST)

Why Forest Oil (FST) Stock Is Down Today

Strong On High Volume: Forest Oil (FST)