According to GuruFocus Insider Data, these are the largest CEO buys during the past week. The overall trend of CEOs is illustrated in the chart below:
KCG Holdings Inc. (KCG, Financial): CEO Daniel Coleman Bought 805,000 Shares
CEO of KCG Holdings Inc. (KCG, Financial) Daniel Coleman bought 805,000 shares on 02/03/2014 at an average price of $11.59. KCG Holdings Inc. is a wholly owned subsidiary of Knight formed in December 2012. KCG Holdings Inc. has a market cap of $1.32 billion; its shares were traded at around $11.59 with a P/E ratio of 6.10 and P/S ratio of 1.90.
CFO Steven Bisgay sold 25,000 shares of KCG stock on 02/03/2014 at the average price of 11.04. Steven Bisgay owns at least 365,766 shares after this. The price of the stock has increased by 4.98% since.
Opko Health Inc. (OPK, Financial): CEO & Chairman, 10% Owner Phillip Frost  Md Et Al Bought 571,800 Shares
CEO & Chairman, 10% Owner of Opko Health Inc. (OPK, Financial) Phillip Frost  Md Et Al bought 571,800 shares during the past week at an average price of $7.75. Opko Health Inc. was originally incorporated in Delaware in October 1991 under the name Cytoclonal Pharmaceutics Inc. Opko Health Inc. has a market cap of $3.16 billion; its shares were traded at around $7.75 with and P/S ratio of 27.30.
Opko Health recently reported its third quarter 2013 financial results. Consolidated revenues nearly doubled to $20.6 million during the three months ended Sept. 30, 2013 from $11.8 million in the prior year period. Consolidated revenue more than doubled to $75.8 million during the nine months ended Sept. 30, 2013 from $30.8 million in the prior year period.
George Soros (Trades, Portfolio) bought 745,000 shares in the quarter that ended on 09/30/2013, which is 0.072% of the $9.14 billion portfolio of Soros Fund Management LLC. Mario Gabelli (Trades, Portfolio) owns 15,000 shares as of 12/31/2013, which accounts for 0.0007% of the $18.65 billion portfolio of GAMCO Investors.
Vice Chairman and CTO Jane Hsiao Ph.D. bought 10,000 shares of OPK stock on 01/30/2014 at the average price of 8.14. Jane Hsiao Ph.D. owns at least 36,818,758 shares after this. The price of the stock has decreased by 4.79% since.
Hologic Inc. (HOLX, Financial): President and CEO Stephen P. MacMillan Bought 198,900 Shares
President and CEO of Hologic Inc. (HOLX, Financial) Stephen P. MacMillan bought 198,900 shares on 02/07/2014 at an average price of $21.54. Hologic Inc. was incorporated in Massachusetts in October 1985 and reincorporated in Delaware in March 1990. Hologic Inc. has a market cap of $5.91 billion; its shares were traded at around $21.54 with and P/S ratio of 2.40.
Hologic recently reported its third quarter fiscal 2014 financial results. The company announced revenues of $612.4 million, and non-GAAP net income of $94.1 million, or $0.34 per diluted share.
Vanguard Health Care Fund (Trades, Portfolio) owns 7,379,300 shares as of 12/31/2013, an increase of 71.43% from the previous quarter. This position accounts for 0.51% of the $32.35 billion portfolio of Vanguard Health Care Fund (Trades, Portfolio). Jean-Marie Eveillard (Trades, Portfolio) owns 17,000 shares as of 09/30/2013, an increase of 13.33% from the previous quarter. This position accounts for 0.001% of the $34.43 billion portfolio of First Eagle Investment Management LLC.
Executive VP and CFO Glenn P. Muir sold 140,000 shares of HOLX stock on 10/30/2013 at the average price of $22.32. Glenn P. Muir owns at least 825,891 shares after this. The price of the stock has decreased by 3.49% since.
Calamos Asset Management Inc. (CLMS, Financial): Chairman, CEO, Global Co-CIO, 10% Owner John P. Calamos Sr. Bought 218,096 Shares
Chairman, CEO, Global Co-CIO, 10% Owner of Calamos Asset Management Inc. (CLMS) John P. Calamos Sr. bought 218,096 shares during the past week at an average price of $11.56. Calamos Asset Management Inc. is a global asset management firm that offers strategies to fulfill a range of asset allocation goals through a multi-team platform. Calamos Asset Management Inc. has a market cap of $237.20 million; its shares were traded at around $11.56 with a P/E ratio of 19.30 and P/S ratio of 0.90. The dividend yield of Calamos Asset Management Inc. stocks is 4.30%.
Mario Gabelli (Trades, Portfolio) owns 126,000 shares as of 12/31/2013, which accounts for 0.008% of the $18.65 billion portfolio of GAMCO Investors.
SVP and CFO Nimish S. Bhatt bought 364 shares of CLMS stock on 11/20/2013 at the average price of $10.47. Nimish S. Bhatt owns at least 90,543 shares after this. The price of the stock has increased by 10.41% since.
Teradata Corporation (TDC, Financial): President and CEO Michael Koehler Bought 10,000 Shares
President and CEO of Teradata Corporation (TDC) Michael Koehler bought 10,000 shares on 02/10/2014 at an average price of $43.24. Teradata Corporation is engaged in analytic data solutions, including integrated data warehousing, big data analytics and business applications. Teradata Corporation has a market cap of $7.07 billion; its shares were traded at around $43.24 with a P/E ratio of 19.30 and P/S ratio of 2.70. Teradata Corporation had an annual average earnings growth of 17.90% over the past five years.
Teradata Corporation recently reported its fourth quarter 2013 financial results. The company announced fourth quarter revenue of $769 million up 4 percent, up five percent in constant currency.
Robert Olstein (Trades, Portfolio) owns 125,000 shares as of 09/30/2013, which accounts for 1.1% of the $652 million portfolio of Olstein All-Cap Value Fund. Meridian Funds (Trades, Portfolio) owns 590,300 shares as of 06/30/2013, which accounts for 1.1% of the $2.68 billion portfolio of Meridian Fund.
Director Hans Black, bought 253,000 shares of TDC stock on 11/28/2013 at the average price of 0.07. Hans Black, owns at least 1,362,500 shares after this.
