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ALKERMES PLC
ALKERMES PLC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 5 Institutional holders with a total value of $8,303,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 568 4,509,000 54.31% Call
2 CITADEL ADVISORS LLC 18,600 1,476,000 17.78% Call
3 Timber Hill LLC 15,800 1,254,000 15.10% Call
4 GROUP ONE TRADING LLC 12,500 992,000 11.95% Call
5 SIMPLEX TRADING, LLC 147 72,000 0.87% 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.