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

Institutional Holders (2016Q1)
Portfolio Summary: 4 Institutional holders with a total value of $1,559,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 28,600 978,000 62.73% Call
2 GROUP ONE TRADING LLC 9,000 308,000 19.76% Call
3 Timber Hill LLC 7,900 270,000 17.32% Call
4 SIMPLEX TRADING, LLC 73 3,000 0.19% 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.