Shares of Alere Inc. (NYSE:ALR) saw unusually-strong trading volume on Wednesday . Approximately 1,345,903 shares changed hands during mid-day trading, an increase of 95% from the previous session’s volume of 689,534 shares.The stock last traded at $40.32 and had previously closed at $39.49.

A number of equities research analysts recently commented on ALR shares. Craig Hallum upgraded Alere from a “hold” rating to a “buy” rating in a report on Friday, April 29th. Canaccord Genuity reiterated a “hold” rating on shares of Alere in a report on Saturday, April 30th. Jefferies Group reiterated a “hold” rating on shares of Alere in a report on Thursday, April 21st. Zacks Investment Research upgraded Alere from a “sell” rating to a “hold” rating in a report on Monday, April 4th. Finally, BTIG Research downgraded Alere from a “buy” rating to a “neutral” rating in a report on Tuesday, March 15th. Seven analysts have rated the stock with a hold rating and three have issued a buy rating to the stock. Alere presently has an average rating of “Hold” and a consensus price target of $52.38.

The stock has a market capitalization of $3.48 billion and a P/E ratio of 10.65. The firm has a 50-day moving average of $41.82 and a 200-day moving average of $45.11.

Other hedge funds and institutional investors recently made changes to their positions in the company. Gamco Investors INC. ET AL increased its position in shares of Alere by 0.9% in the fourth quarter. Gamco Investors INC. ET AL now owns 235,430 shares of the company’s stock valued at $9,203,000 after buying an additional 2,000 shares during the last quarter. GSA Capital Partners LLP increased its position in shares of Alere by 249.0% in the fourth quarter. GSA Capital Partners LLP now owns 25,803 shares of the company’s stock valued at $1,009,000 after buying an additional 18,409 shares during the last quarter. Sei Investments Co. increased its position in shares of Alere by 12.6% in the fourth quarter. Sei Investments Co. now owns 199,030 shares of the company’s stock valued at $7,780,000 after buying an additional 22,314 shares during the last quarter. Trexquant Investment LP bought a new position in shares of Alere during the fourth quarter valued at approximately $1,751,000. Finally, Henderson Group PLC increased its position in shares of Alere by 95.6% in the fourth quarter. Henderson Group PLC now owns 171,055 shares of the company’s stock valued at $6,686,000 after buying an additional 83,585 shares during the last quarter.

Alere Inc is a provider of health information through diagnostic tests. The Company operates through professional diagnostics, patient self-testing, consumer diagnostics and, corporate and other segments. The professional diagnostics segment includes an array of diagnostic test products and other in vitro diagnostic tests marketed to medical professionals and laboratories for detection of diseases and conditions within its areas of focus.

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