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    Arrowhead Research Corp. (ARWR)

    -NasdaqGS
    6.31 Down 0.29(4.39%) Jan 30, 4:00PM EST
    |After Hours : 6.31 0.00 (0.00%) Jan 30, 4:50PM EST
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    Major HoldersGet Major Holders for:
    Breakdown
    % of Shares Held by All Insider and 5% Owners:6%
    % of Shares Held by Institutional & Mutual Fund Owners:76%
    % of Float Held by Institutional & Mutual Fund Owners:81%
    Number of Institutions Holding Shares:113

    Major Direct Holders (Forms 3 & 4)
    HolderSharesReported
    ANZALONE CHRISTOPHER RICHARD260,173Oct 15, 2014
    GIVEN BRUCE D125,000Feb 6, 2014
    MYSZKOWSKI KENNETH ALLEN71,500Aug 15, 2014
    O'BRIEN PATRICK30,000Dec 2, 2014
    FRYKMAN EDWARD W23,852Feb 7, 2014


    Top Institutional Holders
    HolderShares% OutValue*Reported
    Orbimed Advisors LLC.5,178,2009.4676,482,014Sep 30, 2014
    FMR, LLC5,008,8509.1573,980,714Sep 30, 2014
    QVT Financial LP1,866,7823.4127,572,370Sep 30, 2014
    State Street Corporation1,703,9373.1125,167,149Sep 30, 2014
    Vanguard Group, Inc. (The)1,650,5393.0224,378,461Sep 30, 2014
    BlackRock Institutional Trust Company, N.A.1,480,3372.7021,864,577Sep 30, 2014
    Franklin Resources, Inc1,370,8002.5020,246,716Sep 30, 2014
    Perceptive Advisors LLC1,247,4952.2818,425,501Sep 30, 2014
    BlackRock Fund Advisors1,241,1842.2718,332,287Sep 30, 2014
    Baker Brothers Advisors, LLC1,230,8022.2518,178,945Sep 30, 2014

    Top Mutual Fund Holders
    HolderShares% OutValue*Reported
    Fidelity Select Portfolios - Biotechnology1,630,1942.989,487,729Nov 30, 2014
    SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF941,0791.725,477,079Nov 30, 2014
    Vanguard Total Stock Market Index Fund844,9771.5412,480,310Sep 30, 2014
    iShares Russell 2000 ETF830,2611.524,832,119Nov 30, 2014
    Janus Global Life Sciences Fund671,7671.239,921,998Sep 30, 2014
    Franklin Strategic Series-Franklin Biotechnology Discove498,7000.913,251,524Oct 31, 2014
    Vanguard Extended Market Index Fund492,7900.907,278,508Sep 30, 2014
    Columbia Fds Ser Tr I-Columbia Small Cap Growth Fd I421,0000.772,450,220Nov 30, 2014
    iShares Russell 2000 Growth ETF376,6410.692,192,050Nov 30, 2014
    JP Morgan Small Cap Growth Fund337,1120.621,961,991Nov 30, 2014

    View Transactions for Insiders & Institutional Holders

    Value shown is computed using the security's price on the report date given.

    Currency in USD.