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

Institutional Holders (2015Q4)
Portfolio Summary: 4 Institutional holders with a total value of $19,348,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 131,300 8,131,000 42.03% Call
2 SABBY MANAGEMENT, LLC 1,159 7,178,000 37.10% Call
3 Timber Hill LLC 55,800 3,456,000 17.86% Call
4 SIMPLEX TRADING, LLC 356 583,000 3.01% 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.