market folly

Andreas Halvorsen's hedge fund Viking Global has boosted its stake in H&R Block (HRB). Per a 13G filed with the SEC, Viking has disclosed a 5.5% ownership stake in HRB with 16,664,422 shares. This is a 60% increase in their position size as they owned 10,408,200 shares at the end of 2010.

The firm has been taking more concentrated positions as each portfolio manager essentially owns each other's "best ideas". Before founding Viking, Halvorsen worked at Julian Robertson's Tiger Management. You can see the rest of Viking Global's portfolio here.

Per Google Finance, H&R Block is "has subsidiaries that provide tax, banking, and business and consulting services. The Company’s Tax Services segment provides income tax return preparation, electronic filing and other services and products related to income tax return preparation to the general public primarily in the United States, and also in Canada and Australia."