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    Repligen Corporation (RGEN)

    -NasdaqGS
    35.01 Up 0.03(0.09%) Jul 31, 4:00PM EDT
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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:85%
    % of Float Held by Institutional & Mutual Fund Owners:91%
    Number of Institutions Holding Shares:162

    Major Direct Holders (Forms 3 & 4)
    HolderSharesReported
    HERLIHY WALTER C262,430May 12, 2015
    RUSCHE JAMES R96,849May 15, 2015
    HUNT ANTHONY45,267Feb 26, 2015
    GOLDBERG ALFRED LEWIS40,331May 21, 2015
    DAWES KAREN A39,241May 21, 2015


    Top Institutional Holders
    HolderShares% OutValue*Reported
    FMR, LLC2,707,5228.2482,200,370Mar 31, 2015
    BlackRock Fund Advisors2,315,3757.0570,294,787Mar 31, 2015
    Invesco Ltd.2,059,1426.2762,515,553Mar 31, 2015
    Dimensional Fund Advisors LP1,319,1624.0240,049,759Mar 31, 2015
    State Street Corporation1,265,0603.8538,407,222Mar 31, 2015
    Vanguard Group, Inc. (The)1,247,0833.8037,861,441Mar 31, 2015
    BlackRock Institutional Trust Company, N.A.953,9682.9028,962,469Mar 31, 2015
    Renaissance Technologies, LLC860,1652.6226,114,610Mar 31, 2015
    Oppenheimer Funds, Inc.839,1002.5525,475,076Mar 31, 2015
    Ameriprise Financial, Inc.752,7962.2922,854,887Mar 31, 2015

    Top Mutual Fund Holders
    HolderShares% OutValue*Reported
    Fidelity Select Portfolios - Biotechnology1,861,3155.6775,867,195May 31, 2015
    Oppenheimer International Small Company Fund839,1002.5521,573,260Feb 28, 2015
    SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF752,9822.2930,691,544May 31, 2015
    iShares Core S&P Smallcap ETF728,1682.2229,680,126May 31, 2015
    Fidelity Contrafund Inc654,3971.9926,673,220May 31, 2015
    Powershares Exhg Traded Fd-Dynamic Biotechnology & Genome Po559,0361.7022,786,306May 31, 2015
    Conestoga Small Cap Fund548,8751.6716,663,845Mar 31, 2015
    Vanguard Total Stock Market Index Fund544,7861.6616,539,703Mar 31, 2015
    iShares Russell 2000 ETF474,0871.4419,323,785May 31, 2015
    Invesco Small Cap Growth Fund471,6941.4414,320,630Mar 31, 2015

    View Transactions for Insiders & Institutional Holders

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

    Currency in USD.