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

Institutional Holders (2016Q3)
Portfolio Summary: 4 Institutional holders with a total value of $11,047,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 209,300 7,669,000 69.42% Put
2 SABBY MANAGEMENT, LLC 737 2,700,000 24.44% Put
3 Timber Hill LLC 12,700 465,000 4.21% Put
4 SIMPLEX TRADING, LLC 734 213,000 1.93% 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.