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    ABIOMED, Inc. (ABMD)

    -NasdaqGS
    94.51 Up 1.73(1.86%) 1:02PM EDT - Nasdaq Real Time Price
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    Major HoldersGet Major Holders for:
    Breakdown
    % of Shares Held by All Insider and 5% Owners:10%
    % of Shares Held by Institutional & Mutual Fund Owners:107%
    % of Float Held by Institutional & Mutual Fund Owners:118%
    Number of Institutions Holding Shares:151

    Major Direct Holders (Forms 3 & 4)
    HolderSharesReported
    TERMEER HENRI A305,878Aug 13, 2014
    MINOGUE MICHAEL R254,896May 27, 2015
    SUTTER MARTIN P158,117Jun 30, 2015
    AUSTEN W GERALD83,341Feb 24, 2015
    WEBER DAVID M117,650May 27, 2015


    Top Institutional Holders
    HolderShares% OutValue*Reported
    Vanguard Group, Inc. (The)3,197,9587.60210,201,788Jun 30, 2015
    Palo Alto Investors, LLC2,742,3056.52180,251,715Jun 30, 2015
    BlackRock Fund Advisors2,374,4885.65156,075,103Jun 30, 2015
    Essex Woodlands Health Ventures2,150,0005.11141,319,506Jun 30, 2015
    Jackson Square Partners, LLC1,828,9844.35120,219,123Jun 30, 2015
    Macquarie Group Limited1,202,5702.8679,044,929Jun 30, 2015
    Blair (William) & Company, L.L.C.1,099,6552.6172,280,326Jun 30, 2015
    BlackRock Institutional Trust Company, N.A.970,8262.3163,812,395Jun 30, 2015
    1832 Asset Management L.P.894,5002.1358,795,487Jun 30, 2015
    Primecap Management Company5,668,09013.48372,563,572Jun 30, 2015

    Top Mutual Fund Holders
    HolderShares% OutValue*Reported
    Primecap Odyssey Aggressive Growth Fund2,640,3736.28173,551,725Jun 30, 2015
    Primecap Odyssey Growth Fund1,934,8004.60127,174,409Jun 30, 2015
    iShares Core S&P Smallcap ETF897,0452.1358,962,770Jun 30, 2015
    Vanguard Small-Cap Index Fund675,4731.6148,350,358Mar 31, 2015
    Lord Abbett Developing Growth Fund659,2431.5741,677,343Apr 30, 2015
    Vanguard Total Stock Market Index Fund650,7321.5546,579,397Mar 31, 2015
    iShares Russell 2000 ETF650,7651.5542,774,785Jun 30, 2015
    Delaware Group Equity Funds IV-Delaware SMID Cap Growth Fund633,8731.5145,372,630Mar 31, 2015
    Vanguard Small-Cap Growth Index Fund436,5431.0431,247,748Mar 31, 2015
    Vanguard Explorer Fund, Inc.405,5540.9625,639,124Apr 30, 2015

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

    Currency in USD.