Can Gilead Sciences’ Giant Investors Hold Firm Price Support at $50?

For the year-to-date, Gilead Sciences Inc. (NASDAQ:GILD) shares are up 22.21 percent. On May 12, the company received FDA-advisory panel approval for Quad, an experimental drug for the treatment of HIV. With a 13-1 vote by the Antiviral Drugs Advisory Committee, the once-daily Quad pill treats the HIV-1 infection in treatment-naive adults.

A final FDA decision will come on August 27, 2012.

The drug comes with high expectations by the market and in response to the panel’s approval, Andrew Cheng, Senior Vice President, HIV Therapeutics and Development Operations, Gilead Sciences, said, “The Quad is the latest example of Gilead’s ongoing efforts to develop highly effective and well tolerated single tablet regimens for people living with HIV.”

With the approval of the promising HIV treatment, will Gilead’s largest shareholders increase their holdings? 923 institutional firms indicated owning shares of Gilead Sciences Inc. (NASDAQ:GILD) in Q1 2012. These firms reported owning a total of 1.928 billion shares on 03/31/2012 . The shares closed at $48.86 on 03/31/2012.

Here are the ten largest positions in Gilead Sciences Inc. at the end of March 31st, 2012.

Zazove Associates LLC held 131,652,000 shares on 03/31/2012 worth $174,341,000. This brought the portfolio total to 4.07%.

Lord Abbett & Co. LLC held 101,902,000 shares on 03/31/2012 worth $131,067,305. This brought the portfolio total to 0.28%.

D. E. Shaw & Co. Inc. held 84,500,000 shares on 03/31/2012 worth $108,061,000. This brought the portfolio total to 0.29%.

Advent Capital Management /DE/ held 83,596,000 shares on 03/31/2012 worth $106,097,000. This brought the portfolio total to 2.24%.

JPMorgan Chase & Co held 73,170,863 shares on 03/31/2012 worth $89,648,000. This brought the portfolio total to 0.04%.

Silverback Asset Management LLC held 71,450,000 shares on 03/31/2012 worth $87,571,000. This brought the portfolio total to 4.8%.

Susquehanna International Group LLP held 71,380,000 shares on 03/31/2012 worth $92,950,000. This brought the portfolio total to 0.03%.

Capital Research Global Investors held 56,202,266 shares on 03/31/2012 worth $2,746,042,751. This brought the portfolio total to 1.17%.

Fore Research & Management LP held 52,607,000 shares on 03/31/2012 worth $65,751,000. This brought the portfolio total to 11.79%.

Mackay Shields LLC held 50,370,000 shares on 03/31/2012 worth $61,755,000. This brought the portfolio total to 0.12%.

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