The following are the stocks owned by financial Billionaires that gained and lost the most today.  Daily Gainers: Sarepta Therapeutics Inc (NASDAQ:SRPT), MakeMyTrip Limited (NASDAQ:MMYT), WuXi PharmaTech (Cayman) Inc. (ADR) (NYSE:WX). Daily Losers: Pandora Media Inc (NYSE:P), Atlas Resource Partners, L.P. (NYSE:ARP), Sealed Air Corp (NYSE:SEE).

Sarepta Therapeutics SRPT

Daily Gainers

The  biopharmaceutical company, Sarepta Therapeutics, Inc. (NASDAQ:SRPT), is the stock with the most gain today, the shares’ value increased +12,61% ($48.77). The company was upgraded from overweight to neutral by Piper Jaffray, according to SBWire. SRPT is showing a very impressive performance. During last friday, the firm rose by +17.28%. Billionaire George Soros, holds 426k shares (0.18% of his portfolio), most of them acquired during the first quarter. The investor paid an average price of $19.18.

MakeMyTrip Limited (NASDAQ:MMYT), the online travel company, is the second stock with the most gained today. The firm showed a +7.67% gain in its shares’ price ($14.16). Tiger Global’s managers, Chase Coleman and and Feroz Dewan, own more than 7 millions shares, which represent 1.78% of his portfolio. The managers have been holding this position for more than two years. Tiger bought most of the shares during the second quarter of 2011 at an average price of $30.53.

The pharmaceutical and biotechnology firm, Wuxi PharmaTech (Cayman) Inc. (ADR) (NYSE:WX), is in top daily gainers after its shares gained +5.55% ($28.36). Julian Robertson, Tiger Management’s manager, is the financial billionaire with the biggest stake among the billionaires tracked by iBillionaire. He purchased shares of WX at an average price of $16.05. As of June 2013, the investor holds 892k shares (2.38% of his portfolio) after selling 145k during the last quarter.

Daily Losers

Pandora Media Inc. (NYSE:P), the internet radio service company, is in the daily losers today since its shares dropped -9.65% ($24.39). According to Bloomberg, the selling is due to increased competition from the new iTunes Radio service. Apple announced today that its new product attracted more than 11 millions listeners. The billionaire who holds shares of this company is George Soros with 327k shares in his portfolio (0.07% of his fund). The investor bought each share at an average price of $15.61 in the last quarter.

The energy company, Atlas Resource Partners, L.P (NYSE:ARP), joined the daily losers after its shares’ decreased -7.04% ($20.92). The CEO of Omega Divisors, Leon Cooperman, holds more than 4 million shares of the company, which were bought at an average price of $23.07 and represent a 1.48% of his portfolio.

Sealed Air Corporation (NYSE:SEE), a company that provides product protection solutions worldwide, is the third daily loser today. The firms shares decreased by -5.39% to $27.02.  The Appaloosa Management LP manager, David Tepper, is one of the billionaire most affected by this drop. According to his 13F filing, the investor holds more than a million shares (0.42% of his portfolio), purchased at an average price of $14.55. The other billionaire who is owner of SEE stakes is Julian Robertson, who has 49k shares (0.15% of his fund) after selling 630k the last quarter. The investor paid an average price of $16.12.

Pandora Media Inc. (NYSE:P), moved from the daily gainers (friday 20th) to the daily losers. On the other hand, firms such as Sarepta Therapeutics, Inc. (SRPT), keeps increasing its value after a well performance day. To learn more about the above companies and the Billionaires that own these stocks visit www.iBillionaire.me