Janus Capital Management increased its stake in Altera Co. (NASDAQ:ALTR) by 352.8% during the third quarter, according to its most recent filing with the Securities and Exchange Commission (SEC). The fund owned 53,931 shares of the semiconductor manufacturer’s stock after buying an additional 42,020 shares during the period. Janus Capital Management’s holdings in Altera were worth $2,701,000 at the end of the most recent reporting period.

Shares of Altera Co. (NASDAQ:ALTR) remained flat at $53.96 during midday trading on Thursday. The stock has a 50 day moving average of $53.01 and a 200 day moving average of $51.16. Altera Co. has a 12 month low of $32.67 and a 12 month high of $53.97.

ALTR has been the topic of several analyst reports. Wells Fargo reaffirmed a “hold” rating on shares of Altera in a research report on Tuesday, December 29th. Zacks Investment Research raised Altera from a “strong sell” rating to a “hold” rating in a research report on Friday, November 20th. Two equities research analysts have rated the stock with a sell rating, twenty-two have assigned a hold rating and two have given a buy rating to the stock. Altera has an average rating of “Hold” and a consensus price target of $48.16.

Altera Corporation is a semiconductor company that designs and sells a range of products, including programmable logic devices (NASDAQ:ALTR), highly integrated power devices, pre-defined design building blocks and development software.