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

Institutional Holders (2015Q1)
Portfolio Summary: 5 Institutional holders with a total value of $41,469,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 3,249 33,926,000 81.81% Call
2 CITADEL ADVISORS LLC 50,100 5,231,000 12.61% Call
3 GROUP ONE TRADING LLC 20,000 2,088,000 5.04% Call
4 Timber Hill LLC 2,000 209,000 0.50% Call
5 SIMPLEX TRADING, LLC 31 15,000 0.04% 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.