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

Institutional Holders (2014Q2)
Portfolio Summary: 5 Institutional holders with a total value of $197,448,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 3,488 109,980,000 55.70% Call
2 CITADEL ADVISORS LLC 183,900 57,986,000 29.37% Call
3 Timber Hill LLC 74,300 23,428,000 11.87% Call
4 Virtu KCG Holdings LLC 14,600 4,604,000 2.33% Call
5 COMMERZBANK AKTIENGESELLSCHAFT /FI 4,600 1,450,000 0.73% 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.