Are Amarin’s Top Institutional Investors Accelerating Shares on Patent Positivity?

So far in 2012, Amarin Corporation plc’s (NASDAQ:AMRN) shares are up 93.58 percent. On May 29th, the company announced that the U.S. Patent and Trademark Office (USPTO) issued a patent for the pharmaceutical composition of Amarin’s AMR101 from its U.S. Patent Application Serial No. 12/052,598.  This encompasses a key component in Amarin’s treatment for managing lipids in the bloodstream, according to authorities. The patent will expire in 2030.

Joseph Zakrzewski, Amarin’s Chairman and CEO said in a statement, “The issuance of this patent is an important step forward in strengthening Amarin’s position as a leader in the next generation of lipid management therapy. Amarin’s plan is to protect the commercial potential of AMR101 to 2030 and beyond. This plan consists of pursuing additional patent protection, seeking regulatory exclusivity, maintaining trade secrets and taking advantage of manufacturing barriers to entry.”

Yesterday, the USPTO unexpectedly posted positive actions pertaining to three important Amarin patent applications based on MARINE.

167 institutional firms indicated owning shares of Amarin Corporation plc (NASDAQ:AMRN) in Q1 2012. These firms reported owning a total of 106.344 million shares on 03/31/2012. The shares closed at $11.32 on 03/31/2012.

Here are the ten largest positions in Amarin Corporation plc at the end of March 31st, 2012.

Fmr LLC held 9,486,567 shares on 03/31/2012 worth $107,387,936. This brought the portfolio total to 0.02%.

Sectoral Asset Management Inc held 8,335,031 shares on 03/31/2012 worth $94,352,548. This brought the portfolio total to 3.44%.

Abingworth LLP held 7,895,826 shares on 03/31/2012 worth $89,380,748. This brought the portfolio total to 44.85%.

Jennison Associates LLC held 5,794,727 shares on 03/31/2012 worth $65,596,308. This brought the portfolio total to 0.08%.

Sac Capital Advisors LP held 5,713,282 shares on 03/31/2012 worth $64,674,350. This brought the portfolio total to 0.29%.

Ardsley Advisory Partners held 4,645,000 shares on 03/31/2012 worth $52,581,399. This brought the portfolio total to 10.43%.

Blackrock Advisors LLC held 3,178,451 shares on 03/31/2012 worth $35,980,064. This brought the portfolio total to 0.04%.

Millennium Management LLC held 3,106,812 shares on 03/31/2012 worth $35,169,111. This brought the portfolio total to 0.25%.

Price T Rowe Associates Inc /MD/ held 3,045,800 shares on 03/31/2012 worth $34,478,455. This brought the portfolio total to 0.01%.

Lord Abbett & Co. LLC held 2,903,230 shares on 03/31/2012 worth $32,864,563. This brought the portfolio total to 0.07%.

About the company: Amarin Corporation PLC is a clinical-stage biopharmaceutical company. The Company researches, develops, and commercializes drugs for the treatment of hypertriglyceridemia, central nervous system disorders, and cardiovascular diseases.

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