Dark
Light
System
Security
BIOGEN IDEC INC
BIOGEN IDEC INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 2 Institutional holders with a total value of $208,701,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 332,814 110,098,000 52.75%
2 Mizuho Trust & Banking Co., Ltd. 298,234 98,603,000 47.25%

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.