BIOGEN INC. - COMMON STOCK (BIIB)

Q4 2013 13F Holders as of 31 Dec 2013

Type / Class
Equity / COMMON STOCK
Shares outstanding
147,079,094
Total 13F shares
214,296,317
Share change
+376,257
Total reported value
$59,942,921,218
Put/Call ratio
88%
Price per share
$279.59
Number of holders
731
Value change
+$105,186,575
Number of buys
15
Number of sells
9

Institutional Holders of BIOGEN INC. - COMMON STOCK (BIIB) as of Q4 2013

As of 31 Dec 2013, BIOGEN INC. - COMMON STOCK (BIIB) was held by 731 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 214,296,317 shares. The largest 10 holders included FMR LLC, PRIMECAP MANAGEMENT CO/CA/, PRICE T ROWE ASSOCIATES INC /MD/, VANGUARD GROUP INC, State Street Corp, Capital Research Global Investors, Clearbridge Investments, LLC, JPMORGAN CHASE & CO, JENNISON ASSOCIATES LLC, and BlackRock Institutional Trust Company, N.A.. This page lists 731 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.