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    ABIOMED, Inc. (ABMD)

    -NasdaqGS
    94.77 Down 0.12(0.13%) 4:00PM EDT
    |After Hours : 94.77 0.00 (0.00%) 4:37PM EDT
    Major HoldersGet Major Holders for:
    Breakdown
    % of Shares Held by All Insider and 5% Owners:2%
    % of Shares Held by Institutional & Mutual Fund Owners:99%
    % of Float Held by Institutional & Mutual Fund Owners:101%
    Number of Institutions Holding Shares:254

    Major Direct Holders (Forms 3 & 4)
    HolderSharesReported
    TERMEER HENRI A317,778Aug 12, 2015
    MINOGUE MICHAEL R221,048Mar 31, 2016
    SUTTER MARTIN P162,543Mar 31, 2016
    LATAIF LOUIS E111,175Apr 29, 2015
    WEBER DAVID M108,176Mar 24, 2016


    Top Institutional Holders
    HolderShares% OutValue*Reported
    Vanguard Group, Inc. (The)3,052,2497.19275,557,036Dec 31, 2015
    Palo Alto Investors, LLC2,889,5056.81260,864,508Dec 31, 2015
    BlackRock Fund Advisors2,628,9626.19237,342,686Dec 31, 2015
    Essex Woodlands Health Ventures2,150,0005.07194,101,997Dec 31, 2015
    Jackson Square Partners, LLC1,823,9034.30164,661,961Dec 31, 2015
    Macquarie Group Limited1,226,6082.89110,738,169Dec 31, 2015
    BlackRock Institutional Trust Company, N.A.970,6982.2987,634,614Dec 31, 2015
    Primecap Management Company5,657,09013.33510,722,079Dec 31, 2015
    State Street Corporation841,9591.9876,012,057Dec 31, 2015
    Eagle Asset Management Inc828,5231.9578,552,263Mar 31, 2016

    Top Mutual Fund Holders
    HolderShares% OutValue*Reported
    Primecap Odyssey Aggressive Growth Fund2,640,3736.22238,372,871Dec 31, 2015
    Primecap Odyssey Growth Fund1,934,8004.56174,673,742Dec 31, 2015
    iShares Core S&P Smallcap ETF1,069,2882.5285,553,735Feb 29, 2016
    Vanguard Small-Cap Index Fund764,2751.8068,998,746Dec 31, 2015
    Vanguard Total Stock Market Index Fund706,3571.6663,769,909Dec 31, 2015
    Delaware Group Equity Funds IV-Delaware SMID Cap Growth Fund617,6781.4655,763,969Dec 31, 2015
    iShares Russell 2000 ETF621,2991.4649,710,134Feb 29, 2016
    Vanguard Explorer Fund, Inc.505,5831.1943,141,398Jan 31, 2016
    Investment Managers Ser Tr-Oak Ridge Small Cap Growth Fd500,0001.1840,005,001Feb 29, 2016
    Vanguard Small-Cap Growth Index Fund468,8041.1042,323,624Dec 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.