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

Institutional Holders (2016Q2)
Portfolio Summary: 4 Institutional holders with a total value of $1,817,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 28,000 1,210,000 66.59% Put
2 CITADEL ADVISORS LLC 12,900 558,000 30.71% Put
3 WADDELL & REED FINANCIAL INC 25,600 28,000 1.54% Put
4 SIMPLEX TRADING, LLC 41 21,000 1.16% 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.