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IONIS PHARMACEUTICALS INC
IONIS PHARMACEUTICALS INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 4 Institutional holders with a total value of $14,792,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 204,000 9,757,000 65.96% Put
2 SABBY MANAGEMENT, LLC 737 3,525,000 23.83% Put
3 Timber Hill LLC 27,800 1,330,000 8.99% Put
4 SIMPLEX TRADING, LLC 723 180,000 1.22% 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.