market folly

Andreas Halvorsen's hedge fund firm Viking Global has filed a 13G regarding its position in Calpine (CPN). Per the filing, Viking now owns 5.7% of Calpine with over 20.5 million shares.

This marks an increase of over 10 million shares since the end of the first quarter when Viking owned 10.49 million shares.  The latest filing was made due to activity on June 23rd.

For more on this manager, be sure to check out Andreas Halvorsen on investment process.

Per Google Finance, Calpine is "a power generation company. The Company is engaged in the ownership and operation of primarily natural gas-fired and geothermal power plants in North America. The Company's segments include West (including geothermal), Texas and East (including Canada). In the Northeast and Mid-Atlantic regions, the Company has generating units capable of burning either natural gas or fuel oil. The Company operates its business through various divisions and subsidiaries. The Company's portfolio consists of various types of power generation technologies, including natural gas-fired combustion turbines, which include combined-cycle plants and renewable geothermal conventional steam turbines. Its Geysers Assets located in northern California represent the geothermal power generation portfolio in the United States, as well as the producing power generation asset of all renewable energy in the state of California."