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Sunday, November 29, 2009, 9:38PM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
Abiomed Inc. (ABMD)On Nov 27: 8.70  Down 0.28 (3.12%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 29%
% of Shares Held by Institutional & Mutual Fund Owners: 53%
% of Float Held by Institutional & Mutual Fund Owners: 74%
Number of Institutions Holding Shares: 100

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
ABIOMED INC2,731,66716-Dec-08
SUTTER MARTIN P66,7011-Jul-09
MINOGUE MICHAEL R206,54330-Sep-09
WEBER DAVID M94,60016-Sep-08
BOLT WILLIAM J77,76730-Sep-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
FMR LLC3,591,4139.58$34,872,62030-Sep-09
WADDELL & REED FINANCIAL INC.2,157,3215.76$20,947,58630-Sep-09
Barclays Global Investors UK Holdings Ltd1,937,7735.17$18,815,77530-Sep-09
PRIMECAP MANAGEMENT COMPANY1,542,2734.11$14,975,47030-Sep-09
VANGUARD GROUP, INC. (THE)1,193,2283.18$11,586,24330-Sep-09
Capital Research Global Investors1,160,6803.10$11,270,20230-Sep-09
Portolan Capital Management, LLC1,148,8733.06$11,155,55630-Sep-09
JAY, JEFFREY R.967,8002.58$9,397,33830-Sep-09
PIONEER INVESTMENT MANAGEMENT INC.742,9001.98$7,213,55930-Sep-09
DIMENSIONAL FUND ADVISORS LP671,5571.79$6,520,81830-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
FIDELITY OTC PORTFOLIO1,000,6002.67$9,715,82630-Sep-09
FIDELITY SELECT PORTFOLIOS - MEDICAL EQUIPMENT & SYSTEMS800,0002.13$7,768,00030-Sep-09
Primecap Odyssey Aggressive Growth Fund794,6732.12$7,716,27430-Sep-09
SMALLCAP WORLD FUND754,2002.01$6,652,04430-Jun-09
FIDELITY SELECT PORTFOLIOS - HEALTH CARE592,4181.58$5,752,37830-Sep-09
Ivy Fds VIP-Small Cap Growth Port530,3001.41$4,677,24630-Jun-09
Primecap Odyssey Growth Fund500,0001.33$4,855,00030-Sep-09
ISHARES RUSSELL 2000 INDEX FD452,6591.21$4,395,31830-Sep-09
Pioneer Growth Opportunities Fund429,1001.14$3,784,66230-Jun-09
AMERICAN FDS INSURANCE SER-GLOBAL SMALL CAPITALIZATION F406,4801.08$3,946,92030-Sep-09

View Transactions for Insiders & Institutional Holders
* Value shown is computed using the security's price on the report date given.


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