BIOGEN INC. - COMMON STOCK (BIIB)

Q1 2013 13F Holders as of 31 Mar 2013

Type / Class
Equity / COMMON STOCK
Shares outstanding
147,079,094
Total 13F shares
2,148,879
Share change
-36,891
Total reported value
$414,566,184
Put/Call ratio
85%
Price per share
$192.90
Number of holders
13
Value change
-$6,858,274
Number of buys
7
Number of sells
4

Institutional Holders of BIOGEN INC. - COMMON STOCK (BIIB) as of Q1 2013

As of 31 Mar 2013, BIOGEN INC. - COMMON STOCK (BIIB) was held by 13 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 2,148,879 shares. The largest 10 holders included NORGES BANK, Retirement Systems of Alabama, Zurcher Kantonalbank (Zurich Cantonalbank), HUNTINGTON ASSET ADVISORS, INC., Advantus Capital Management Inc, Twin Tree Management, LP, Veritable, L.P., MUFG Americas Holdings Corp, AMALGAMATED BANK, and E. Ohman J:or Asset Management AB. This page lists 13 institutional shareholders reporting positions in this security for the Q1 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.