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

Institutional Holders (2016Q1)
Portfolio Summary: 5 Institutional holders with a total value of $7,026,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 57,100 2,313,000 32.92% Put
2 CITADEL ADVISORS LLC 54,900 2,223,000 31.64% Put
3 Timber Hill LLC 36,700 1,486,000 21.15% Put
4 SABBY MANAGEMENT, LLC 186 753,000 10.72% Put
5 SIMPLEX TRADING, LLC 301 251,000 3.57% 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.