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

Institutional Holders (2015Q1)
Portfolio Summary: 3 Institutional holders with a total value of $107,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 17,200 77,000 71.96% Call
2 CITADEL ADVISORS LLC 6,200 28,000 26.17% Call
3 SIMPLEX TRADING, LLC 16 2,000 1.87% 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.