SpiderRock Trading LLC - BIOGEN IDEC INC ownership

BIOGEN IDEC INC's ticker is and the CUSIP is 09062X10. A total of 2 filers reported holding BIOGEN IDEC INC in Q2 2014. The put-call ratio across all filers is - and the average weighting 0.4%.

Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of BIOGEN IDEC INC
ValueSharesWeighting
Q1 2014$01000.00%
Other shareholders
BIOGEN IDEC INC shareholders Q2 2014
NameSharesValueWeighting ↓
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 617,769$132,944,0000.99%
Supplemental Annuity Collective Trust of NJ 3,869$833,0000.47%
SUMITOMO LIFE INSURANCE CO 17,246$3,711,0000.36%
NEW MEXICO EDUCATIONAL RETIREMENT BOARD 37,574$8,086,0000.33%
Mizuho Trust & Banking Co., Ltd. 324,187$69,762,0000.29%
State of New Jersey Common Pension Fund A 130,000$27,976,0000.14%
DEUTSCHE BANK AG\ 714,008$153,649,0000.13%
Advanced Investment Partners, LLC 97$20,0000.04%
ACADIAN ASSET MANAGEMENT LLC 269$58,0000.00%
View complete list of BIOGEN IDEC INC shareholders