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Abiomed Inc (ABMD) Ownership Data

Short Interest History (%)

This is the historical short interest of Abiomed Inc, as measured by the Short Percentage Of Float.

Institutional Ownership History (%)

This the Institutional Ownership History of Abiomed Inc Peter Lynch prefers to buy companies with low institutional ownership.

Insider ownership (%)

This is the historical insider ownership of Abiomed Inc. It is usually better to buy companies with large insider ownership. The company insiders' interest are more aligned with external shareholders in this case.

Top Direct Holders

HolderShares% of Shares
Report Date
David M. Lederman,PhD781,2791.91%2005-02-28
Paul B. Fireman399,7560.98%2005-03-31
Mr. Henri A. Termeer305,8780.75%2014-08-13
Mr. Michael R. Minogue218,8030.54%2014-10-30
Obrien John F182,9020.45%2006-05-11
Mr. Martin P. Sutter124,9690.31%2014-09-30
Dr. David M. Weber112,8500.28%2014-10-30
Dr. W. Gerald Austen, M.D.85,3410.21%2014-08-13
Mr. William J. Bolt81,2280.2%2014-10-30
Mr. Michael G. Howley75,5830.18%2014-10-31

Top Fund Holders

HolderSharesReport Date% of Shares
% of Total
Assets Managed
Market Value
PRIMECAP Management Company5,664,9902014-09-3013.960.15140,662,000
Jackson Square Partners, LLC4,748,0592014-09-3011.700.50117,894,000
Essex Woodlands Health Ventures3,150,0002014-09-307.7628.9678,214,000
Delaware Management Business Trust3,052,9692014-10-317.470.00100,106,854
Wellington Management Company, LLP3,008,9192014-09-307.420.0274,711,000
PrimeCap Odyssey Aggressive Growth Fund2,632,1732014-09-306.491.1365,356,856
Vanguard Group, Inc.2,461,3892014-09-306.070.0061,116,000
Palo Alto Investors, LLC2,429,5242014-09-305.994.5160,325,000
Blair William & Co2,419,2852014-09-305.960.1060,071,000
BlackRock Fund Advisors1,988,6742014-09-304.900.0149,379,000

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