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

Institutional Holders (2015Q2)
Portfolio Summary: 4 Institutional holders with a total value of $19,766,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 186,800 10,750,000 54.39% Put
2 CITADEL ADVISORS LLC 108,700 6,256,000 31.65% Put
3 Timber Hill LLC 45,100 2,596,000 13.13% Put
4 SIMPLEX TRADING, LLC 265 164,000 0.83% 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.