John W. Rogers seems to have changed his mind about Bristow Group Inc (NYSE:BRS) – after reducing his fund’s stake in the company by 6% during the second quarter, he has now boosted his fund stake through the acquisition of 668,112 shares. As reported in a recent filing with the Securities and Exchange Commission, his fund, Ariel Investments, now holds 3.72 million shares or 10.5% of the Bristow Group Inc (NYSE:BRS)’s common stock. In another filing, Rogers and Ariel Investments have disclosed the addition of 763,640 shares of Rubicon Technology, Inc. (NASDAQ:RBCN) to their previous position, taking it to a total of 2.11 million shares, which account for 8.1% of the total number of shares outstanding.
Peter S. Park, the manager of Park West Asset Management, is still bullish on Bristow Group Inc and has increased his fund’s stake in the company by 15% during the second quarter of this year. In its latest 13F filing, Park West has reported the ownership of 753,700 shares valued at $60.7 million. Jim Simons also thinks the stock has room to grow and has boosted his fund’s investment by 17% during the same period of time. Renaissance Technologies now holds 210,800 shares worth roughly $17 million. Martin Whitman has, on the other hand, chosen to limit his fund’s exposure to Bristow Group Inc, dumping approximately 11% of his position. Whitman’s fund, Third Avenue Management, currently owns approximately 276,700 shares worth in excess of $22.3 million.
Gregory A. Weaver, the manager of Invicta Capital Management, is also a fan of Rubicon Technology, Inc. and has boosted his fund’s investment in the company by 317% during Q2 of this year. Invicta Capital has reported ownership of 1.25 million shares valued at approximately $11 million. Chuck Royce has chosen to limit his fund’s exposure to Rubicon Technology, Inc. and has reduced his stake by 12% during the same period of time. Royce & Associates now holds 1.63 million shares worth $14.3 million.
Disclsoure: none.






