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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 $17,804,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 159,200 7,615,000 42.77% Call
2 SABBY MANAGEMENT, LLC 1,054 5,041,000 28.31% Call
3 Timber Hill LLC 99,900 4,778,000 26.84% Call
4 SIMPLEX TRADING, LLC 640 370,000 2.08% 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.