Allegiant Travel Co (ALGT), Cboe Holdings, Inc. (CBOE) and Cyberonics Inc (CYBX): Billionaire Jim Simons’ Top Small-Caps

The latest 13F filing disclosed Renaissance Technologies’ position of almost 3.85 million shares, valued at $221 million in Cboe Holdings, Inc. (NASDAQ:CBOE), after acquiring some 99,200 shares during the first quarter. The $4.88 million market cap company is the largest U.S. options exchange and creator of listed options. At the beginning of May, Cboe Holdings, Inc., which comes from Chicago Board Options Exchange, has published its financial results for the first quarter of 2015. The company has reported $142.8 million in operating revenue, compared with $157.9 million a year ago. The net income is almost 14% down on the year, amounting to $42.1 million, or $0.50 per diluted share. A few days ago, Cboe Holdings, Inc. (NASDAQ:CBOE) received the “Derivatives Exchange of the Year – Americas” title at Global Capital’s Americas Derivatives Awards 2015 ceremony in New York City. Horizon Asset Management, managed by Murray Stahl, is another fund that we track with a position of 1.93 million shares in Cboe Holdings, Inc. (NASDAQ:CBOE).

Jim Simons reduced his stake in Cyberonics, Inc. (NASDAQ:CYBX) by 190,900 shares to 2.07 million shares, valued at $134.07 million. The $1.67 billion medical device company designs, develops, sells and markets the VNS (vagus nerve stimulation) Therapy System, an implantable medical device that delivers a therapy using pulsed electrical signals applied to the vagus nerve for the treatment of refractory epilepsy and treatment-resistant depression (TRD). The company has a P/E ratio of 26.12 and registered a gain of $0.63 per share at the end of the fourth quarter of fiscal 2015. In May, Cyberonics, Inc. merged with Sorin S.p.A., a global medical device company and a leader in the treatment of cardiovascular diseases. John Paulson’s Paulson & Co, Stephen Dubois’ Camber Capital Management and William Leland Edwards’ Palo Alto Investors are other shareholders of Cyberonics, Inc. (NASDAQ:CYBX) among the funds we track.

Disclosure: none