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

Institutional Holders (2016Q1)
Portfolio Summary: 8 Institutional holders with a total value of $143,551,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 400 104,000 0.07% Put
2 SG Americas Securities, LLC 96,800 1,391,000 0.97% Put
3 JPMORGAN CHASE & CO 7,930 2,064,000 1.44% Put
4 SIMPLEX TRADING, LLC 957 3,141,000 2.19% Put
5 Timber Hill LLC 48,600 12,652,000 8.81% Put
6 SABBY MANAGEMENT, LLC 1,052 27,386,000 19.08% Put
7 Allianz Asset Management GmbH 133,700 34,805,000 24.25% Put
8 CITADEL ADVISORS LLC 238,200 62,008,000 43.20% Put

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.