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

Institutional Holders (2015Q3)
Portfolio Summary: 5 Institutional holders with a total value of $12,896,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 789 6,340,000 49.16% Put
2 CITADEL ADVISORS LLC 34,700 2,788,000 21.62% Put
3 GROUP ONE TRADING LLC 34,200 2,748,000 21.31% Put
4 Timber Hill LLC 10,400 836,000 6.48% Put
5 SIMPLEX TRADING, LLC 73 184,000 1.43% 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.