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BIOGEN IDEC INC
BIOGEN IDEC INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 3 Institutional holders with a total value of $303,475,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 670,109 204,966,000 67.54%
2 Mizuho Trust & Banking Co., Ltd. 322,061 98,509,000 32.46%
3 SpiderRock Trading LLC 100 0 0.00% Call PRN

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.