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

Institutional Holders (2014Q4)
Portfolio Summary: 8 Institutional holders with a total value of $278,062,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 4,580 155,468,000 55.91% Call
2 CITADEL ADVISORS LLC 262,300 89,038,000 32.02% Call
3 Timber Hill LLC 54,700 18,568,000 6.68% Call
4 Virtu KCG Holdings LLC 22,500 7,638,000 2.75% Call
5 COMMERZBANK AKTIENGESELLSCHAFT /FI 12,600 4,277,000 1.54% Call
6 SIMPLEX TRADING, LLC 929 2,569,000 0.92% Call
7 Opus Point Partners Management, LLC 120 269,000 0.10% Call
8 SG Americas Securities, LLC 6,700 235,000 0.08% Call

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.