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

Institutional Holders (2016Q2)
Portfolio Summary: 12 Institutional holders with a total value of $186,925,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 259,600 62,776,000 33.58% Call
2 SABBY MANAGEMENT, LLC 1,866 45,124,000 24.14% Call
3 CIBC WORLD MARKETS CORP 146,910 35,526,000 19.01% Call
4 Timber Hill LLC 114,100 27,592,000 14.76% Call
5 Allianz Asset Management GmbH 36,300 8,778,000 4.70% Call
6 JPMORGAN CHASE & CO 23,153 5,599,000 3.00% Call
7 SNS Financial Group, LLC 2,000 530,000 0.28% Call
8 SIMPLEX TRADING, LLC 624 442,000 0.24% Call
9 SG Americas Securities, LLC 63,900 266,000 0.14% Call
10 SOCIETE GENERALE 63,900 266,000 0.14% Call
11 GROUP ONE TRADING LLC 100 24,000 0.01% Call
12 Kazazian Asset Management, LLC 150 2,000 0.00%

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.