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KERYX BIOPHARMACEUTICALS INC
KERYX BIOPHARMACEUTICALS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 4 Institutional holders with a total value of $3,460,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 240,600 2,401,000 69.39% Put
2 CITADEL ADVISORS LLC 84,900 847,000 24.48% Put
3 SABBY MANAGEMENT, LLC 188 188,000 5.43% Put
4 SIMPLEX TRADING, LLC 145 24,000 0.69% 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.