ABIOMED INC - COMMON STOCK (ABMD)

Q4 2013 13F Holders as of 31 Dec 2013

Type / Class
Equity / COMMON STOCK
Total 13F shares
39,424,518
Share change
-138,858
Total reported value
$1,054,278,078
Put/Call ratio
652%
Price per share
$26.74
Number of holders
125
Value change
-$3,108,815
Number of buys
2
Number of sells
4

Institutional Holders of ABIOMED INC - COMMON STOCK (ABMD) as of Q4 2013

As of 31 Dec 2013, ABIOMED INC - COMMON STOCK (ABMD) was held by 125 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 39,424,518 shares. The largest 10 holders included PRIMECAP MANAGEMENT CO/CA/, MACQUARIE GROUP LTD, Essex Woodlands Health Ventures, Inc., Palo Alto Investors, LLC, BLAIR WILLIAM & CO/IL, VANGUARD GROUP INC, BlackRock Fund Advisors, NEXT CENTURY GROWTH INVESTORS LLC, WELLINGTON MANAGEMENT CO LLP, and BlackRock Institutional Trust Company, N.A.. This page lists 125 institutional shareholders reporting positions in this security for the Q4 2013 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.