MKS Instruments Inc. (NASDAQ:MKSI) reached a new 52-week high during mid-day trading on Tuesday . The stock traded as high as $47.49 and last traded at $47.17, with a volume of 209,680 shares. The stock had previously closed at $46.91.

MKSI has been the topic of several analyst reports. Dougherty & Co raised their price objective on MKS Instruments from $46.00 to $50.00 and gave the stock a “buy” rating in a report on Thursday, June 23rd. Stifel Nicolaus increased their target price on MKS Instruments from $43.00 to $49.00 and gave the stock a “buy” rating in a research report on Thursday, May 12th. Zacks Investment Research raised MKS Instruments from a “hold” rating to a “buy” rating and set a $44.00 target price on the stock in a research report on Tuesday, June 28th. Finally, Pacific Crest reaffirmed a “buy” rating on shares of MKS Instruments in a research report on Monday, July 11th.

The stock has a market cap of $2.53 billion and a price-to-earnings ratio of 23.97. The firm has a 50-day moving average of $43.12 and a 200 day moving average of $37.58.

In related news, Director Peter Hanley sold 2,000 shares of the company’s stock in a transaction dated Friday, June 10th. The shares were sold at an average price of $41.29, for a total value of $82,580.00. Following the sale, the director now owns 4,492 shares of the company’s stock, valued at $185,474.68. The transaction was disclosed in a legal filing with the SEC, which is accessible through this hyperlink. Also, VP Brian Charles Quirk sold 1,000 shares of the company’s stock in a transaction dated Monday, May 16th. The shares were sold at an average price of $36.25, for a total transaction of $36,250.00. Following the completion of the sale, the vice president now directly owns 13,210 shares in the company, valued at approximately $478,862.50. The disclosure for this sale can be found here.

A number of hedge funds have bought and sold shares of MKSI. Rhumbline Advisers boosted its stake in MKS Instruments by 3.4% in the fourth quarter. Rhumbline Advisers now owns 91,618 shares of the company’s stock worth $3,298,000 after buying an additional 3,035 shares during the last quarter. California State Teachers Retirement System boosted its stake in MKS Instruments by 1.6% in the fourth quarter. California State Teachers Retirement System now owns 98,927 shares of the company’s stock worth $3,561,000 after buying an additional 1,550 shares during the last quarter. Mutual of America Capital Management LLC boosted its stake in shares of MKS Instruments by 14.0% in the fourth quarter. Mutual of America Capital Management LLC now owns 93,237 shares of the company’s stock valued at $3,357,000 after buying an additional 11,416 shares in the last quarter. State of Tennessee Treasury Department purchased a new stake in shares of MKS Instruments during the fourth quarter valued at $1,490,000. Finally, OppenheimerFunds Inc. boosted its stake in shares of MKS Instruments by 4.1% in the fourth quarter. OppenheimerFunds Inc. now owns 880,352 shares of the company’s stock valued at $31,693,000 after buying an additional 34,473 shares in the last quarter.

MKS Instruments, Inc (MKS) is a provider of instruments, subsystems and process control solutions that measures, controls, powers, monitors and analyzes critical parameters of advanced manufacturing processes to improve process performance and productivity. The Company operates through segments, including Advanced Manufacturing Capital Equipment, which includes the development, manufacturing and sales of instruments, control and vacuum products, power and reactive gas products; Global Service, which includes the worldwide servicing of instruments, control and vacuum products, power and reactive gas products and certain other product groups; Asia Region Sales, which includes sales of products that are re-sold from the Advanced Manufacturing Capital Equipment and Other segments into Asia regions, and Other.

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