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

Institutional Holders (2014Q3)
Portfolio Summary: 5 Institutional holders with a total value of $8,629,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 1,543,560 6,468,000 74.96%
2 SPHERA FUNDS MANAGEMENT LTD. 500,000 2,095,000 24.28%
3 B. Riley Wealth Advisors, Inc. 10,600 44,000 0.51%
4 Jump Trading, LLC 5,000 21,000 0.24% Put
5 Jump Trading, LLC 300 1,000 0.01% 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.