Masimo develops innovative monitoring technologies that significantly improve patient care — helping solve "unsolvable" problems. Masimo Corp. has a market cap of $1.08 billion; its shares were traded at around $18.4 with a P/E ratio of 18.1 and P/S ratio of 2.5. Masimo Corp. had an annual average earnings growth of 6.7% over the past 5 years.

Masimo CEO Joe Kiani has been continually increasing his positions in Masimo Corp. since the fourth quarter of 2011. His most recent purchase consisted of 50,000 shares of the compared bought at an average stock price of $18.47, costing $923,500 in total. On Nov. 22, 2011, he purchased 35,404 shares of the company, and on Oct. 28, 2011, he purchased 64,596 shares.

Joe Kiani is the founder and CEO and Masimo Corp. He founded the company in 1989, and was later joined by partner Mohammed Diab. Prior to his career at Masimo, he graduated from San Diego State University at the age of 22 with Bachelor’s and Master’s degrees in electrical engineering. He is currently also active in efforts to reform U.S. health care and encourage medical innovation.

John Burbank bought 100,000 shares in the quarter that ended on 03/31/2012, which is 0.079% of the $2.95 billion portfolio of Passport Capital. Joel Greenblatt owns 69,345 shares as of 03/31/2012, an increase of 110.46% from the previous quarter. This position accounts for 0.14% of the $1.15 billion portfolio of Gotham Capital. Ron Baron owns 1,795,244 shares as of 03/31/2012, which accounts for 0.25% of the $16.69 billion portfolio of Baron Funds.

Aside from CEO Kiani, there have been very few other insider buys. However, directors and other insiders have been continually selling the stock since 2009. Director Jack W. Lasersohn bought 1,000 shares of MASI stock on 06/01/2012 at the average price of $18.38. Jack W Lasersohn owns at least 1,000 shares after this. The price of the stock has increased by 0.11% since. Director Robert Coleman sold 62,000 shares of MASI stock on 03/30/2012 at the average price of 23.35. Robert Coleman owns at least 70,200 shares after this. The price of the stock has decreased by 21.2% since.

Since Masimo went public in 2007, the company’s revenues have been consistently increasing at an average of 12.01% per year. EPS growth is not as consistent, but is average at 17.42% growth per year. The company holds $130 million in cash as of December 2011, and during the fourth quarter 2011 bought back $30.24 million worth of stock. Previously, the company had been consistently issuing new shares. Masimo has no long-term debt and few liabilities in comparison to its assets.

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