(Benzinga) Many investors consider tracking hedge fund moves central to their strategy. Let’s take a look at the past week’s most relevant hedge fund moves. GAMCO Investors Mario Gabelli’s GAMCO Investors was quite active this week.On Tuesday, the fund disclosed a new position, with 2,980,338 shares of Common stock, in DealerTrack Technologies Inc (NASDAQ: TRAK). The stake, worth more than $185 million, accounts for 5.43 percent of the company’s shares outstanding, and make of GAMCO the fifth largest known institutional investor.
On Monday, Gabelli declared another move, this time in micro-cap Eastern Co (NASDAQ: EML). After acquiring 55,906 shares of Common Stock, the fund said it owns 387,341 shares, or 6.2 percent of the company’s outstanding stock.Following this transaction, GAMCO is the second-largest institutional investor at Eastern Co, only trailing NSB Advisors.
Two other big hedge funds (with equity portfolios worth more than $25 billion, each) disclosed moves this week. Stephen Mandel’s Lone Pine Capital said it has added 3,010,321 shares of Class A Common Stock to its holding at Charter Communications, Inc. (NASDAQ: CHTR), taking them to 6,338,300 shares, which represent 5.7 percent of the company’s outstanding stock. That makes it the second-biggest institutional investor, after SPO Advisory Corp and ahead of Warren Buffett’s Berkshire Hathaway.
