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

Institutional Holders (2014Q1)
Portfolio Summary: 6 Institutional holders with a total value of $200,542,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 257,400 78,731,000 39.26% Call
2 SABBY MANAGEMENT, LLC 2,075 63,468,000 31.65% Call
3 Timber Hill LLC 137,700 42,118,000 21.00% Call
4 Virtu KCG Holdings LLC 47,400 14,498,000 7.23% Call
5 COMMERZBANK AKTIENGESELLSCHAFT /FI 4,600 1,407,000 0.70% Call
6 SNS Financial Group, LLC 1,000 320,000 0.16%

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.