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

Institutional Holders (2015Q2)
Portfolio Summary: 4 Institutional holders with a total value of $3,289,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 501 1,721,000 52.33% Call
2 GROUP ONE TRADING LLC 35,600 1,223,000 37.18% Call
3 CITADEL ADVISORS LLC 7,100 244,000 7.42% Call
4 SIMPLEX TRADING, LLC 271 101,000 3.07% 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.