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CEMPRA INC
CEMPRA INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 4 Institutional holders with a total value of $5,161,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 54,300 1,863,000 36.10% Put
2 SABBY MANAGEMENT, LLC 517 1,774,000 34.37% Put
3 CITADEL ADVISORS LLC 43,300 1,486,000 28.79% Put
4 SIMPLEX TRADING, LLC 195 38,000 0.74% 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.